Promote legal sportsbooks and earn $100-$400 per depositing user. With 38 US states now legal, the affiliate opportunity is massive. Top affiliates earn $20K-$100K/month driving signups.
You build one page comparing the sportsbooks that take bets legally in your state. Someone searching for exactly that lands on it, clicks your link and opens an account. A month later a commission shows up. Meanwhile you were at your day job, or asleep.
It sounds tidy, and you can see why it pulls at you. Your wages stand still while groceries climb. The car needs tyres. Your phone keeps showing you people who claim a few web pages replaced their salary. You want something that works while you are not working.
Be careful with that feeling. This business has real money in it and real ways to lose it: licensing fees, background checks, advertising codes that bite, and contracts that let the other side cut you off. The window that matters is the time you spend planning before you spend anything. Affiliates who read the rules first pick the states and formats that last. The ones who rush in on promo code pages are often the ones fined or dropped when a regulator moves.
So what would your state charge you? Arizona asks roughly 1,500 dollars up front and 500 dollars to renew, West Virginia around 1,000 dollars to register, Indiana around 500 dollars for CPA arrangements. The site itself can cost you nothing to stand up, and 500 dollars buys you a generous version. Earnings start near 500 dollars a month, and getting there usually takes one to three months.
Tonight, look up whether the state you want to write about licenses affiliates, and what the fee is. That single answer decides whether the rest of this page applies to you.
You should also know, before you go further, that this is one of the most heavily regulated corners of affiliate marketing. In several US states you cannot legally take a commission without registering with a gaming regulator. In Great Britain you do not need your own licence, but the operator paying you is legally answerable for every word you publish, so your content lives under a rulebook you never signed. In Ontario, taking money from one legal operator can bar you from advertising anywhere else in the province. In Massachusetts, one of the two standard commission models is simply illegal.
Most guides to this niche skip all of that and open with income claims. This one does the reverse, because for you the compliance detail is the business. Get the regulatory side wrong and nobody sends you a friendly warning letter. Your account gets terminated, your accrued balance is forfeited under a clause you never read, and in the worst case a state regulator asks your operator partner why it was paying an unregistered vendor. Would your savings cover that kind of mistake?
What the deal actually is, mechanically
An affiliate agreement is a contract between you and a licensed gambling operator, or a network acting for several operators. You publish content, you link out with a tracking parameter, the operator drops a cookie or records a click ID, and when someone you referred opens an account and funds it, the operator credits that player to you.
Before we talk about rates, three things you need to understand.
You are paid out of your players' losses. Almost every revenue share deal is calculated on net gaming revenue (NGR) or a similar "net revenue" figure, and the amount wagered does not come into it. If the players you referred win overall in a given month, your commission for that month can be zero or negative. In sports betting this happens often, because a single upset weekend can swing an operator's margin sharply.
The operator defines the numbers. You do not get to audit the operator's books. You see the figures its affiliate platform reports, and those figures are net of whatever the contract says. The bet365 Partner Programme terms are unusually explicit about this. Clause 5.1 defines Net Revenue as monies received in respect of bets placed, after deducting winnings paid to customers, betting duties, levies and taxes, bad debts, fraud and chargebacks, customer rewards and promotions, third-party royalties, jackpot contributions, payment organisation charges, and administrative costs. Every item on that list comes off before your percentage is applied.
The contract can be ended at will. Clause 7.5 of the same agreement confirms that either party may terminate with or without reason. That is the industry norm. You are building an asset whose income the other side can switch off without giving you a reason. How would your month look if that happened next Tuesday?
The licensing question, and why most guides get it wrong
"Do I need a licence?" has no single answer. It depends on where you operate, and in the United States it depends on the state and then again on how you are paid.
Great Britain: no affiliate licence, but you are bound by the operator's rulebook
The Gambling Commission does not issue a licence category for marketing affiliates. Its public register covers gambling businesses, personal licences and premises. If you are not offering gambling facilities yourself, you have nothing to apply for.
You are still regulated, through the back door. Social responsibility code provision 1.1.2 of the Licence Conditions and Codes of Practice makes licensees "responsible for the actions of third parties with whom they contract for the provision of any aspect of the licensee's business related to the licensed activities". The contract must, among other things, require the third party to "conduct themselves in so far as they carry out activities on behalf of the licensee as if they were bound by the same licence conditions and subject to the same codes of practice as the licensee". It must also let the licensee "terminate the third party's contract promptly if, in the licensee's reasonable opinion, the third party is in breach of contract... or has otherwise acted in a manner which is inconsistent with the licensing objectives, including for affiliates where they have breached a relevant advertising code of practice".
Read that last clause slowly. It is a contractual kill switch, required by the regulator, triggered by an advertising code breach in the operator's reasonable opinion. You don't get a hearing.
The Commission's own guidance on affiliates and third parties makes the same point about data: when affiliates do direct marketing, "we, and the ICO, consider that you are primarily responsible for any breaches", where "you" means the operator. Its guidance on licensees' responsibilities for third parties says compliance "sits with the licence holder and cannot be transferred to any other party", and that failing to keep adequate control of third parties "can result in regulatory action including suspension or the loss of the operating licence".
What this means for you in practice: British operators run affiliate compliance defensively. They audit your creative, demand pre-approval, and drop affiliates fast, because the alternative is explaining your landing page to a regulator that can suspend their licence. One UKGC notice from May 2019 shows how far this reaches: operators were told to make sure of age verification before customers could reach free-to-play games through affiliate websites, because the operator cannot benefit from affiliate advertising that offers unprotected free-to-play versions. Self-declared dates of birth were explicitly ruled insufficient.
United States: registration is real, and the payment model is the trigger
Several US states require affiliates to register with, or be licensed by, the gaming regulator before they can be paid. The key detail for you: in a number of them, how you are paid is what triggers the requirement. Flat media buys often fall outside the regime; cost-per-acquisition and revenue share often fall inside it.
Pennsylvania is the state where you can check the figures directly with the regulator. The Pennsylvania Gaming Control Board's published Schedule of Fees sets out, for Gaming Service Providers (the category affiliates fall into):
- Gaming Service Provider Registration: 2,500 US dollars for an initial five-year term, 2,500 dollars to renew, plus a 500 dollar non-refundable applicant investigation deposit, 60 dollars per affiliated entity and 60 dollars per principal or key employee.
- Gaming Service Provider Certification: 5,000 dollars initial and 5,000 dollars renewal, with a 2,500 dollar applicant deposit, 500 dollars per affiliated entity and 1,000 dollars per principal, principal entity or key employee.
- Gaming-Related Gaming Service Provider Certification: 10,000 dollars initial and renewal, with the same 2,500 dollar deposit structure.
- Interactive Gaming Service Provider Registration sits at 2,500 dollars with a 500 dollar deposit; Interactive Gaming Service Provider Certification at 5,000 dollars with a 2,500 dollar deposit.
For scale, the same schedule prices a Sports Wagering Certificate at 10 million dollars and a Sports Wagering Operator licence at 50,000 dollars. Your bill is far smaller than an operator's. What you are signing up for is an operator-style background investigation in exchange for a few thousand dollars of paperwork.
Tennessee shows the payment-model trigger most clearly, and it sits in statute. The Tennessee Code's definition of "Vendor" says the term "does not include marketing affiliates who are compensated by a method other than a revenue sharing agreement". Put plainly: take a CPA and you stay outside the vendor regime; take a percentage of revenue and you are a vendor. That matters to you, because Tennessee's vendor registration fees under the Sports Wagering Council's rules are sized for much bigger companies. The rules set a first-period registration fee of 150,000 dollars payable in three annual instalments of 50,000 dollars, with later-period fees ranging from 150,000 dollars for geolocation, platform software or player account management vendors down to 30,000 dollars for KYC, payment processing "or similar material services". The published schedule has no category obviously drawn for marketing affiliates. This audit could not confirm from a primary source what fee a revenue-share affiliate in Tennessee would actually pay. The honest answer is that you would need to ask the Council directly before signing a revenue share deal for that state, and the downside is a five-figure registration bill against a marketing arrangement.
Beyond those two, an industry tracker kept by BettingUSA, last updated in May 2026, lists the following. Use these as a starting point for your own enquiries and nothing more. The Pennsylvania figures in that list match the regulator's own schedule, which is reassuring, but fee schedules change and the tracker is a secondary source.
- Arizona: licence required, roughly 1,500 dollars initial and 500 dollars renewal.
- Colorado: a Vendor Minor licence for CPA arrangements at around 350 dollars; a Vendor Major licence for revenue share at around 1,200 dollars plus a 10,000 dollar background investigation deposit, with investigator time billed hourly. Colorado's own published definitions confirm the split: a Vendor Major licence is required where a party "provides products, services, information or assets" to a licensed operator and "receives, therefore, a percentage of gaming revenue"; a Vendor Minor licence covers everyone else acting on an operator's behalf.
- Indiana: around 500 dollars for CPA arrangements, with a separate tier for revenue share.
- Michigan: around 200 dollars for vendor registration on flat-fee or CPA terms; supplier-level fees for revenue share.
- New Jersey: vendor registration for CPA or flat fee, submitted by the operator; an Ancillary Casino Service Industry Enterprise licence with a 2,000 dollar application fee for revenue share.
- Virginia: around 500 dollars application and 500 dollars renewal on a three-year term.
- West Virginia: around 1,000 dollars registration.
- Louisiana: a threshold model, with a vendor permit required above roughly 500,000 dollars of annual earnings and a waiver application below it.
- No affiliate licensing currently required in several states including Iowa, Mississippi, Wyoming and Washington DC.
Sources disagree on some of these numbers. A separate industry summary credited to the same publisher's chief executive lists Colorado, Tennessee, Virginia and Indiana all at 500 dollars, New Jersey at zero, Pennsylvania at 2,500 dollars, West Virginia at 1,000 dollars and Michigan at 200 dollars. The Colorado figure in particular appears as both 350 and 500 dollars in different places, and this audit could not confirm either from the Colorado Division of Gaming's own published fee schedule. Check with the regulator before you budget.
Two states ban one of the two commission models outright, and this is the detail that catches people. Massachusetts regulation 205 CMR 256.01(3) bars an operator from entering an agreement with a third party to conduct advertising or marketing on its behalf "in exchange for a percentage of sports wagering revenue earned from users that the third party directs or causes to be directed to the Operator". Revenue share is not permitted in Massachusetts. That rule is what survived of a wider ban: the version of 205 CMR 256 first adopted prohibited any third-party marketing compensation "dependent on, or related to, the volume of patrons or wagers placed, or the outcome of wagers", which would have caught CPA too. Affiliates and operators argued at a Gaming Commission roundtable in February 2023 that affiliate marketing is pull rather than push advertising and that a blanket ban would push consumers toward illegal operators; the Commission amended the rule to allow CPA while keeping the revenue share ban. Trade reporting on the same Massachusetts rulemaking says Illinois runs the identical split (revenue share prohibited, CPA permitted) and that Connecticut runs it the other way round, prohibiting CPA while allowing revenue share. This audit could not verify either from the primary Illinois or Connecticut regulations, so confirm with the regulator before you structure a deal for those states.
So if you build one national US site on revenue share deals, you have to geo-exclude Massachusetts and Illinois. Build it on CPA and you have to geo-exclude Connecticut. No single deal type is legal everywhere at once. Which states would your first page actually serve?
Ontario: the exclusivity trap
On the AGCO's published guidance, Ontario does not require marketing affiliates to register in their own right. Standard 1.19 of the Registrar's Standards for Internet Gaming puts the duty on operators: they "are responsible to ensure that any third parties that they contract, including entities commonly referred to as 'marketing affiliates' advertising on the operator's behalf, also meet the standards".
Standard 1.21 is the one that reshapes your business. Any marketing affiliate advertising for the Ontario market "must not also advertise gaming sites that operate in Ontario without AGCO registration". For an established international affiliate site carrying grey-market brands, that forces a hard choice: wall off Ontario completely, or remove every unregistered brand from your whole portfolio.
Standard 2.05 then takes away the single highest-converting content type in the niche. Public advertising of inducements, bonuses and credits is strictly prohibited, including targeted advertising and algorithm-based ads, and the AGCO has confirmed this covers "links and descriptions provided by affiliates". The bonus code page, the format most sports betting affiliate sites are built around, cannot exist for your Ontario traffic.
Brazil and Australia
Brazil regulated fixed-odds betting from 1 January 2025. Affiliates are expressly defined in the rules of the Secretaria de Prêmios e Apostas, operators must hold written Portuguese-language contracts with them, and operators stay jointly and severally liable for advertising by affiliates, influencers or third-party platforms under their brand. Advertising must carry mandatory 18-plus and harm warnings taking up at least 10% of the advertising space. Welcome bonuses and upfront incentives were banned at market launch. The hit to affiliate volumes was severe and shows up in listed-company reporting: Better Collective put a large part of a 25% year-on-year fall in new depositing customers in the fourth quarter of 2025 down to the Brazilian regulatory transition, specifically the welcome bonus ban sending new player activity to offshore sportsbooks.
Australia already restricts gambling advertising around live sport. Between 5:00am and 8:30pm, no gambling advertising or promotion of odds is allowed from five minutes before the published scheduled start of play until five minutes after play, including during breaks, on broadcast television and radio and on live sport streamed over the internet. A far broader reform package has been proposed, with most measures starting 1 January 2027 pending parliamentary approval: a ban on notable persons including athletes, celebrities and influencers endorsing wagering products; frequency caps; bans around school pick-up times; and a "triple lock" for online content services requiring a registered account, age confirmation and opt-in consent before wagering advertising can be served. Affiliates like you are explicitly covered: the drafting defines wagering advertising as content "by, on behalf of, or for the benefit of" licensed providers, which catches anyone in a commercial arrangement with an operator. Separately, the Interactive Gambling Act 2001 bans advertising prohibited services in Australia altogether, so promoting offshore casino brands to Australian traffic puts you in clear legal exposure.
CPA versus revenue share: the arithmetic nobody publishes
That covers whether you are allowed to do this at all. The next thing to settle is how the money reaches you once you are.
No major sportsbook publishes its affiliate CPA rates. The figures that float around, 100 to 400 dollars per depositing customer and higher, are industry chatter passed between affiliate blogs with no traceable source. Treat any specific number you see, including on this page, as an estimate unless it comes from an audited filing.
One kind of source can be audited: the annual reports of listed affiliate companies. Better Collective A/S, which runs a large portfolio of sports betting media assets, reports both revenue by commission model and the number of new depositing customers (NDCs) it delivers. Its 2025 annual report gives the following.
- Group revenue of 337 million euros, down from 371 million euros in 2024.
- Revenue share income of 157.5 million euros (down 13% year on year) and CPA income of 80.0 million euros (down 13%), with revenue share making up 47% of group revenue, CPA 24%, subscription 5% and other income 24%.
- 1,200 thousand NDCs for the full year 2025, against 1,754 thousand in 2024 and 1,916 thousand in 2023.
- In the fourth quarter of 2025, 305 thousand NDCs, of which 73% came under revenue share agreements.
From those figures you can work out an order of magnitude, with caveats. Divide fourth-quarter CPA revenue of 22.5 million euros by the roughly 82 thousand NDCs delivered on CPA terms that quarter, and you get an implied average of about 270 euros per CPA-referred depositor. That is a global blend across many markets and includes upfront parts of hybrid contracts, so please don't read it as a rate card. It is still the closest thing to an audited figure you will find, and it suggests the commonly quoted 100 to 400 dollar range is roughly right for a company with real bargaining power. With a new site, you should assume the bottom of that range or below, and assume the top is kept for partners sending thousands of customers a month.
The same report gives you a usable, if rough, view of blended value across both models: revenue share plus CPA income of 237.5 million euros against 1,200 thousand NDCs comes to about 198 euros per NDC. That figure is off in both directions at once. Revenue share income in any year comes partly from players referred in earlier years, while the NDC count is current-year only. Read it as a sense of scale and keep it out of your unit maths.
When revenue share beats CPA
The break-even is simple arithmetic. If a CPA offer is worth C and a revenue share offer pays r percent of NGR, revenue share wins once the player's cumulative NGR passes C divided by r.
At C of 270 euros and r of 30%, your referred player must generate about 900 euros of lifetime net revenue for the operator before revenue share pulls ahead. At r of 40%, about 675 euros. At a more realistic new-affiliate CPA of 100 euros and r of 25%, the crossover is around 400 euros of lifetime NGR.
Whether your players clear those lines depends almost entirely on who they are. A promo-code hunter arriving from a "best sign-up bonus" page has been picked for price sensitivity: they take the offer, may never deposit again, and make an ideal CPA player and a poor revenue share player. A reader who arrives through an in-depth analysis piece and stays for your odds comparison tool is a plausible revenue share player. Affiliates who get this send different traffic to different deal types, which is exactly what hybrid deals (an upfront CPA plus a lower ongoing percentage) are built for. Think about the pages you would write first: who would land on them?
Better Collective's disclosed mix is useful here. It has been deliberately moving its North American business from CPA toward revenue share, and said it expected to generate roughly 10 to 15 million euros in clean revenue share from the North American market, against which it reported 17 million euros of pure revenue share for the year. It describes the trade-off candidly: the shift "temporarily impacted" reported revenue because upfront payments get spread into recurring income. If a company with that balance sheet finds the switch painful, and you are paying for your content out of your own cash flow, think hard before you give up upfront money.
Upfront CPA money has one plain use in your household: it arrives, you count it, and it can go straight into the buffer. When a payment clears, put it toward three months of bills before any of it pays for more content, because the operator can switch a commission line off and your rent should never depend on it.
Negative carryover, and the other clauses that quietly eat commissions
Negative carryover is the single most important term in a revenue share contract, and the one a "how to start" guide is least likely to mention.
Under a revenue share deal your monthly commission is a percentage of NGR from your referred players. When those players win more than they lose in a month, NGR goes negative. The question is what happens next. Under a no-carryover programme, your balance resets to zero and you start the next month clean. Under negative carryover, the deficit rolls forward and must be earned back from future NGR before you are paid anything again.
Programmes vary, and the variation is written into each contract. Two published examples show the range.
- The bet365 Partner Programme terms say at clause 5.2 that negative commission balances in any vertical will be deducted from available commissions. That is cross-product netting: a bad month on one product reduces what you are paid on another.
- 22Bet Partners runs a narrower version. Its high-roller policy defines a customer who generates at least 10,000 dollars of negative net revenue in a month as a "high-roller", and lets negative revenue from that customer be carried forward against future earnings from the same customer. That negative cannot be applied against other customers' revenue, and cannot exceed the total aggregate negative revenue for the brand that month.
The gap between those two structures is the gap between one lucky punter costing you one customer's future earnings and one lucky punter costing you a quarter.
Negative carryover is only one of the clauses you should read before signing.
Minimum activity thresholds. The bet365 terms require at least 15 active customers before you qualify for any referral commission payment at all. If your site refers ten players a month, you earn nothing, indefinitely.
Dormancy and forfeiture. The same agreement runs a dormancy process at clause 11: accounts that go three months without 15 referrals trigger notices, then a 50% cut to the accrued balance, then possible closure after six months of inactivity. Half your accrued earnings can be written off because you stopped publishing for a quarter. Could you keep publishing through a family illness or a new baby?
Rates that fall when you go quiet. 22Bet's terms cut commission to 15% if no new first-time deposits arrive within six months, and to 5% after twelve months. A revenue share tail that decays when you stop working is, in truth, a job you have to keep doing.
Payment thresholds. 22Bet sets a 100 dollar minimum withdrawal. Below that, your money stays with the operator.
Deductions before your percentage. Go back to the bet365 Net Revenue definition. Betting duties and taxes come off before your share is calculated, and that has real consequences for you. The UK government has confirmed that Remote Gaming Duty rises from 21% to 40% from 1 April 2026, and that a new tiered General Betting Duty takes effect from 1 April 2027 with a 25% rate on remote betting other than remote bets on UK horseracing, which stays at 15%. Separately, a statutory levy on gambling operators began on 6 April 2025 under the Gambling Levy Regulations 2025, charged at 1.1% of the leviable amount for online operators, with rates falling to 0.1% for some land-based and lottery categories and a few licence types excluded. If duties and levies are deducted before your commission is worked out, a big duty rise shrinks your commission on exactly the same player behaviour. Whether it does in your contract depends on the wording, so check it.
A worked model
What follows is arithmetic for illustration. No real person is behind it, and nobody is claiming these results are typical or achievable for you.
Assume a British-focused site that publishes for twelve months and gets to the point of referring 25 new depositing customers a month on a 30% revenue share with negative carryover, plus a few CPA placements.
Inputs, and where they come from:
- 25 NDCs per month. Assumption, unsourced.
- Average net revenue per referred player of 40 pounds per month in the first three months, falling after that as casual bettors drift away. Assumption, unsourced. No public dataset of per-player NGR exists for affiliate-referred sports bettors, and any figure you see quoted is an estimate.
- 30% revenue share. Within the commonly quoted range; unconfirmed by any operator's published rate card.
By month twelve, on those assumptions, you might have roughly 120 to 180 players still showing measurable activity out of 300 referred, producing perhaps 3,000 to 5,000 pounds of monthly NGR and so 900 to 1,500 pounds of monthly commission, before any negative month.
Now add one negative month. A great weekend for punters wipes out the month's NGR and leaves minus 2,000 pounds. Under negative carryover, you earn nothing that month and nothing the next until the deficit clears. Two months of income gone, from an outcome you had no say in. Under a no-carryover programme, you lose one month.
Now add the bet365-style dormancy clause. You take a two-month break. Referrals drop below the threshold. Notices go out. Fifty percent of your accrued balance is removed.
None of this is exotic. All three mechanisms sit in the published contracts quoted above. The revenue figure here is invented and labelled as such; what matters is the shape. Your income looks like an annuity, and the terms behind it behave like an option the other side holds.
That annuity shape is tempting to plan your family around, and the contract says it can stop without cause. If commission arrives, treat it as money your household enjoys after the fact: the school trip paid from last quarter's payment already sitting in the bank. Book nothing against next quarter, and your kids only ever feel the good months.
Picture the version where it works and you keep your head: a commission that pays for the family's winter coats, landing in an account you never needed to touch for rent. That is the sane dream here. Treat every payment as a bonus and the business can only ever make your life better.
The advertising rules actually constrain what you can write
So you know how the deal pays and where it leaks. This next part governs what you are permitted to put on the page in the first place.
This is where sports betting affiliate content parts ways most sharply with ordinary affiliate marketing. In most niches, advertising standards sit quietly in the background. Here they decide what your page can say.
Great Britain
The CAP Code section on gambling explicitly applies to "marketing by third parties (for example, affiliate marketers) acting on an advertiser's behalf". You are inside the code whether or not you knew it existed.
The rules that bind you include:
- Rule 16.3.12: advertisements must not be likely to be of strong appeal to children or young persons, "especially by reflecting or being associated with youth culture". In a sport-adjacent niche this is a live, everyday risk for you: your whole content sits next to football, and footballers are of strong appeal to children.
- Rule 16.3.14: no one who is, or appears to be, under 25 may be shown gambling or feature in a significant role. Those aged 18 to 24 may appear only on transactional platforms to illustrate specific betting selections.
- Rule 16.3.13: advertisements must not be targeted at under-18s through media choice or placement context.
- Rule 16.3.4: advertisements must not suggest gambling can be a solution to financial concerns, an alternative to employment, or a way to achieve financial security.
That last rule wipes out a whole content format. "Make money from betting", "beat the bookies", "supplement your income with matched betting": all of it falls on the wrong side of 16.3.4 when published as advertising for a gambling operator. How many of the affiliate sites you have seen would survive that one rule?
Enforcement is going automated too. From 11 June 2026 the Committee of Advertising Practice deployed an AI-based Active Ad Monitoring System, working with social media platforms, as part of a content marketing sweep to find gambling advertising of strong appeal to under-18s, with takedown demands, platform referrals and Gambling Commission fines available as sanctions. Content that survived by going unnoticed will now be noticed.
Massachusetts, in detail, because the text is instructive
205 CMR 256 is worth reading in full even if you never target Massachusetts, because it spells out clearly where regulators across the US are heading.
- Operators are responsible for the content and conduct of all advertising done on their behalf or to their benefit, whether by employees, agents, affiliated entities or third parties under contract, "regardless of whether such party is also required to be licensed or registered".
- Every advertisement must disclose the identity of the sports wagering operator.
- Advertising may only be disseminated in the state by or on behalf of operators licensed there, unless the advertisement clearly states the offerings are not available in the Commonwealth. Advertising forms of illegal gambling in the state is prohibited outright.
- Promotions must be explained clearly, and where a promotion requires the patron to wager their own money, the required amount must be disclosed in the same size and style of font as the bonus amount, and "the complimentary item or promotional credit shall not be described as free".
- Advertising must not imply sports wagering is free of risk, describe it as "free", "cost free" or "free of risk" where the player must risk their own money, encourage chasing losses or reinvesting winnings, suggest betting solves financial or personal problems, imply that chances of winning increase with time or money spent, or be placed on any page devoted primarily to responsible gaming.
- Advertising must state that patrons must be 21 or older, must not appeal primarily to under-21s, and must not be placed in media used primarily by under-21s, at events where 25% or more of the audience is expected to be under 21, at schools, on any college or university campus, or in college newspapers or broadcasts. Depicting students, schools or college settings is prohibited.
- Responsible gaming messaging carrying the state problem gambling helpline is mandatory, with prescribed minimum font sizes: for print and signage, the greater of the majority body text size or 2% of the height or width; for billboards, at least 5%; for websites including social media, at least the same size as the majority of the page text, posted conspicuously on each page.
Affiliates miss that last item all the time. A responsible gambling line in 10-pixel grey at the foot of your page fails a rule that requires it to match the body text. Open your draft page: is your helpline line the same size as everything else?
The US enforcement record
Ohio gives you the clearest evidence that these rules are enforced against advertising language rather than against gambling itself. In the first week of January 2023, days after legal betting launched, the Ohio Casino Control Commission issued notices of violation carrying potential 150,000 dollar fines to the parent companies of BetMGM, Caesars and DraftKings over advertising and promotions, specifically the use of "free" and "risk-free" and failures to show required problem gambling messaging. Settlements followed. Caesars and BetMGM each paid 150,000 dollars; DraftKings paid 500,000 dollars to settle two matters, including mailing advertisements to people too young to bet. Ohio collected more than a million dollars in fines in the first year of legal sports betting.
Those penalties landed on operators, with affiliates left untouched. Still, an operator that has just paid 500,000 dollars for using the word "free" will have no patience for an affiliate whose homepage headline reads "Claim your risk-free bet". The compliance pressure rolls down the chain to you as contract terms and content approvals.
Ontario and Brazil
Ontario's Standard 2.05 ban on publicly advertising inducements, bonuses and credits applies to affiliate links and descriptions. Brazil requires 18-plus and harm warnings covering at least 10% of the advertising space, prohibits presenting betting as a source of income, and holds operators jointly and severally liable for affiliate advertising.
The common thread across all four places: the bonus offer is the highest-converting hook in this niche, and it is the very thing regulators are restricting hardest.
How the regulation tightened, and what it did to volumes
Let's lay the sequence out, because every step has gone the same way.
In Great Britain, the 2005 Act's advertising settlement began to be unwound in stages. CAP tightened the strong appeal test in 2022. The 2023 gambling review produced a statutory levy, which began on 6 April 2025 at 1.1% of gross gambling yield for online operators, replacing voluntary contributions. Online slot stake limits followed: 5 pounds per spin for adults went live on 9 April 2025, and 2 pounds per spin for 18 to 24 year olds on 21 May 2025. Financial risk assessments were confirmed on 7 July 2026 on a staged basis, starting with net deposits of 5,000 pounds in a rolling 24 hours for those aged 25 and over and 2,500 pounds for under-25s, moving eventually to 1,000 pounds in 24 hours or 3,000 pounds in 90 days for those 25 and over, and 750 pounds or 2,000 pounds for under-25s. Then the tax: Remote Gaming Duty to 40% from 1 April 2026, and remote General Betting Duty to 25% from 1 April 2027.
Every one of those measures cuts how much an operator makes from a given customer, and your revenue share commission is a slice of that number.
In the US, the pattern is state advertising codes with real fines, plus the spread of vendor registration. In Ontario, an advertising regime that removed the bonus hook and forced portfolio exclusivity on affiliates. In Brazil, a regulated launch that banned welcome bonuses outright and pushed acquisition volume offshore.
You can measure the volume effect in listed-company reporting. Better Collective delivered 1,916 thousand NDCs in 2023, 1,754 thousand in 2024 and 1,200 thousand in 2025, a 37% fall across two years. Its Publishing segment, the part of the business built on organic search, saw CPA revenue drop from 40.5 million euros in 2024 to 20.0 million euros in 2025, a fall of about 51% in a single year. Average full-time headcount fell from 1,773 in 2024 to 1,504 in 2025, down about 15%. Watch for a trap in the company's own five-year summary table: its columns run Q4 2025, Q4 2024, then the full years, so the first two figures on that row are quarterly averages. The full-year numbers above come from Note 5 of the financial statements.
Regulation has company as a cause. The firm's own risk disclosure names the other one plainly: its Publishing business relies partly on organic search traffic, and changes to search engine algorithms, ranking methods or referral mechanisms, including "the increasing use of AI-driven search features and large language" models, may hurt the visibility and discoverability of its content. It has responded by investing in brand-led traffic, varied formats and other acquisition channels specifically to lean less on search.
That is one of the largest listed sports betting affiliate businesses telling its shareholders that the search-traffic model it was built on is structurally exposed. If you plan to build a comparison site on organic search rankings in 2026, read that sentence twice. What would your plan be if Google sent you half the visitors next year?
The paid channel is tightening alongside. Google requires certification to run gambling ads, limits certification to specific websites, and will not certify sites on free hosting platforms, subdomains using third-party root domains, domains with no gambling association, or second-level domains the advertiser does not own and operate. Aggregator and comparison destinations may promote gambling content but "must not offer gambling services themselves or link to gambling services they own", and may not promote gambling that fails country-specific licensing requirements. From 23 March 2026, every account seeking to advertise in gambling and games categories must show good policy health, and manager accounts with large numbers of revoked gambling certificates lose the ability to apply for new ones and have existing certifications revoked. Better Collective described the January 2026 tightening as a positive structural development that would keep unlicensed operators out of the auction. That is true, and it also means the entry cost of the paid channel went up for you.
Each tightening raises the bar for whoever arrives next. The affiliates already licensed and compliant keep their slots while newcomers face the higher entry cost. If you are going to do this, do it with your paperwork in order now, because the rules have only moved in one direction.
What it actually costs to start
You have seen the market from the outside. Now work out what your own side of it asks for before anything comes back.
Honest ranges, with the sourced items marked.
Sourced. US state registration where required: Pennsylvania Gaming Service Provider Registration at 2,500 dollars for five years plus a 500 dollar investigation deposit, per the PGCB fee schedule. Other states, per the industry tracker cited above, from the low hundreds to the low thousands, with Colorado's Vendor Major route carrying a 10,000 dollar background deposit plus hourly investigator billing.
Estimated. Everything else. A domain, hosting and a content management setup can cost you under 200 pounds or dollars a year. Content is the real cost, and it is mostly your labour: this niche demands sport-specific knowledge, regulatory accuracy for each jurisdiction, and constant upkeep as promotions and rules change. If you outsource writing, budget for specialist rates, because a general freelancer who doesn't know that "risk-free" is banned in Ohio and Massachusetts will write content that gets your operator partner fined. This audit could not find a defensible per-word market rate for regulated gambling content and will not invent one.
Often underestimated. Legal review of affiliate contracts. Geo-targeting so that Ontario, Massachusetts, Illinois and Connecticut traffic sees compliant offers. Ongoing tracking of rule changes in every jurisdiction you serve. Accounting for commission that may arrive in a foreign currency and net of deductions you cannot audit.
The start-up costs on this page are money you may never see again. Keep them well away from anything you have promised your parents, the help with their bills or the fund for their next visit, and spend only what you could lose without having to make that phone call to say the help will be late.
Tax and structure vary by country, so check locally
Affiliate commission is trading income in the jurisdictions covered here, and it is taxable. Beyond that, don't take generic advice.
In the UK, your affiliate commission is self-employment or company income depending on how you are set up, and no gambling-winnings exemption applies to you, because you are not the one gambling. People get that distinction wrong surprisingly often. In the US, treatment depends on your entity choice and state nexus, and holding a state gaming registration may itself create filing duties. In Canada, business income rules apply and Ontario's regime adds provincial considerations. In Australia, commission from promoting wagering is ordinary income, and the Interactive Gambling Act creates a separate legal exposure if you promote prohibited services.
Where you are tax resident, where your company is incorporated, and where your audience lives can all differ, and each can matter. This page is not tax advice. Talk to an accountant who has handled gambling affiliate income specifically, and do it before your first payment arrives. Do you already know someone who has?
What actually goes wrong
Your programme terminates you and you lose the balance. Termination at will is standard. Add a dormancy clause that shrinks accrued balances and you face a real risk of working for months and being paid nothing.
A negative month turns into a negative quarter. Under carryover, one winning run by your referred players can hold down your income for months. You can't control it and can't see it coming until the statement arrives.
You promote a brand that loses its licence, or never had one. Promoting an unlicensed operator into a regulated market is the fastest way to turn yourself into a legal problem instead of a commercial one. Ontario Standard 1.21 makes it a portfolio-wide issue; Massachusetts 205 CMR 256.02(2) prohibits advertising forms of illegal gambling in the state; Australia's Interactive Gambling Act bans advertising prohibited services outright.
Your traffic vanishes in an algorithm update. This one already happened to someone big. One of the largest listed affiliate businesses in the sector discloses it as a principal risk, and its Publishing segment CPA revenue halved in a year.
You breach an advertising code without realising. The word "free" attached to a bonus that needs a deposit is banned in Massachusetts and has produced six-figure fines in Ohio. "Beat the bookies" framing falls foul of CAP 16.3.4 in Great Britain. A stock image of a person who looks 22 celebrating a win falls foul of CAP 16.3.14.
You register in a state and find the investigation is the real cost. Background investigations require ownership disclosure, criminal history, fingerprinting in several states, and in Colorado the investigator's time is billed hourly against a deposit. The application fee is the smallest part of your bill.
You build on bonus content and the jurisdiction bans bonus content. Ontario did it. Brazil did it. The format most affiliate sites are built around is the format under the most pressure.
Every one of those failures started with someone who skipped the reading. The cheapest protection you will ever buy is an evening with your state regulator's affiliate page and a notepad. Do that tonight, before you register a domain or write a word, and you start ahead of most of the people you will compete with.
Who should skip this
I'll be blunt about who this is wrong for.
You are uneasy with the underlying economics. Under revenue share, you are paid in proportion to how much money the people you referred lose. No reframing changes that. If it sits badly with you now, it will sit worse in year three when you can see the cohort data. Be honest: could you look at that report every month and feel fine?
You want passive income. Every published contract examined here penalises inactivity. bet365's dormancy process can remove half an accrued balance. 22Bet's rate falls to 15% after six months without new depositors and 5% after twelve. The revenue tail only lasts while you keep working.
You can't budget for compliance. If paying 2,500 dollars to Pennsylvania, plus a background investigation, plus legal review of each contract, plus geo-targeting, sounds like needless overhead to you, this niche will push you out eventually.
You want to build one global site. The commission model that is legal in Massachusetts is illegal in Connecticut. The bonus content that converts everywhere is banned in Ontario and Brazil. The brand portfolio that pays well internationally can shut you out of Ontario entirely. One site, one deal type and one content template will not work here.
Your plan depends on organic search rankings holding. One of the sector's largest listed players is actively cutting its dependence on that channel and has told shareholders why.
You live somewhere the promotion itself is unlawful. Several countries ban advertising gambling services, and promoting an offshore operator into a regulated market can expose you personally. Check before you publish anything.
You are under financial pressure and need a quick result. The compliance work comes first, the content takes months to rank if it ranks at all, and your first revenue share payment may sit behind a minimum active customer threshold you have not reached. If your rent is already tight, please choose something with a steadier floor.
If you are still going ahead
You have the fees, the clauses, the rules and the ways this tends to fail. What is left is the order you would do it in.
A defensible sequence, in order.
- Pick one jurisdiction and read its rules end to end before you write anything. For Great Britain that means CAP section 16 and LCCP social responsibility code 1.1.2. For a US state it means the state's advertising regulation and its vendor or service provider registration requirements.
- Choose your commission model before your content strategy, because the model decides which states you can serve and what registration you need. Revenue share excludes Massachusetts and Illinois. CPA excludes Connecticut. Revenue share makes you a vendor in Tennessee by statute.
- Read the affiliate agreement for negative carryover, cross-vertical netting, dormancy and forfeiture, minimum active customer thresholds, payment thresholds, and the definition of net revenue including what comes off before your percentage. If the terms are unpublished, ask for them in writing before you apply.
- Build the geo-targeting first, before any traffic arrives. Showing an Ontario visitor a bonus code page is a Standard 2.05 problem for your operator partner and a termination trigger for you.
- Assume the search channel will weaken. Build an email list, a direct audience, or a distribution channel you own, on the open assumption that organic rankings won't last.
- Keep records. Massachusetts requires operators to keep advertising records; Brazil requires written contracts in Portuguese; the UKGC expects operators to show oversight of third parties. Being the affiliate with clean, findable records of what you published and when is a real commercial advantage when an operator decides which partners to keep.
- Re-read the rules every quarter. Between April 2025 and July 2026 alone, Great Britain brought in a statutory levy, two tranches of stake limits, a confirmed financial risk assessment regime and two announced duty increases; Google changed its gambling certification requirements twice; and Brazil's bonus ban reshaped one of the largest growth markets in the sector. Nothing in this niche stays still for a year, so put that quarterly review in your calendar today.
Primary sources for the figures on this page. Where a number is not covered below, it is an estimate rather than a measurement and is labelled as such in the text.
A realistic month-by-month plan for reaching $5K/mo with Sports Betting Affiliate Marketing:
Sports Betting Affiliate Marketing costs $0-$500 to start. Many people start at the lower end.
Reported income: $500-$50K/month. No independently verified income data for this tactic. Any figure shown is an estimate, not a measurement. Results vary by effort and market.
Most people see first profit within 1-3 months.
Here are anonymized examples from real Sports Betting Affiliate Marketing practitioners:
Yes, Sports Betting Affiliate Marketing is a legitimate side hustle. Reported income is $500-$50K/month. No independently verified income data for this tactic. Any figure shown is an estimate, not a measurement. Like any business, success depends on your effort, skills, and market conditions. Start with $0-$500 and expect first results within 1-3 months.
Yes. Most successful Sports Betting Affiliate Marketing practitioners started with no prior experience. The key is following a structured learning path, starting small, and iterating. Free resources on YouTube and blogs can teach you the fundamentals within 1-2 weeks.
Sports Betting Affiliate Marketing offers higher income potential (reported $500-$50K/month) and location freedom compared to most jobs, but requires self-motivation and involves more uncertainty. Many people start Sports Betting Affiliate Marketing as a side hustle while keeping their job, then transition to full-time once income is consistent.
Startup tools for Sports Betting Affiliate Marketing cost $0-$500. At minimum, you need a computer and internet connection. As you scale, invest in specialized software and tools to automate workflows and increase efficiency.
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