Why a news site is writing about ad rules

If you read content about non-Gamstop casinos, you are reading content that is, in most cases, commercially motivated. Affiliate sites earn money when readers sign up to the casinos they recommend. There is nothing inherently wrong with that model - it funds a lot of useful content - but it only works fairly if the commercial relationship is disclosed. UK advertising rules require exactly that, and in late 2025 they got tighter. This piece explains the rules and, just as importantly, shows you how to tell a transparent site from an opaque one.

The rulebook: ASA, CAP and the CMA

Three bodies matter here.

• The ASA (Advertising Standards Authority) enforces the advertising codes in the UK.
• CAP (the Committee of Advertising Practice) writes those codes. Section 16 covers gambling specifically; Section 8 covers promotions and bonuses.
• The CMA (Competition and Markets Authority) enforces consumer-protection law, including rules against hidden advertising and misleading commercial practices.

Two principles run through all of it:

1. Advertising must be obviously identifiable as advertising. Under CAP Code rule 2.1, a reader must be able to tell, before they engage with the content, that it is marketing rather than independent editorial. The ASA's guidance points to a clear, prominent label.
2. Gambling marketing must be socially responsible. Section 16 applies not just to operators but explicitly to third parties - including affiliates. It bars content that exploits vulnerable people or appeals to under-18s, and Section 8 requires bonus terms to be proportionate and clearly disclosed.

The 2025 loophole closure

This is the recent change worth knowing about. Historically, some gambling operators not registered in the UK argued that UK advertising rules did not fully apply to their marketing. From 1 September 2025, the ASA amended its approach so that operators subject to licensing conditions requiring CAP Code compliance face the same rules as UK-based businesses. The practical effect: the "we are offshore, so the rules do not reach us" argument has been substantially narrowed. The ASA has also said it is scaling up its AI-driven Active Ad Monitoring to find non-compliant ads proactively rather than waiting for complaints.

What compliant disclosure actually looks like

Here is the part you can use as a reader. A site handling its commercial relationships honestly will do most or all of the following:

Clear, upfront labelling

The commercial nature of the content is flagged before you engage with it - not buried in a footer, not hidden behind a hover. If a page exists to drive sign-ups, it says so plainly.

An honest explanation of the business model

A transparent site tells you it may earn commission when you sign up via its links, and - crucially - states whether that affects its rankings. The best ones explain their assessment process openly. On this site, that is what our methodology page is for, and we also disclose that our parent group is connected to the specific operators we list, such as Cosmobet and Zizobet.

Proportionate, accurate bonus claims

Bonus content that complies with Section 8 shows the real terms - wagering requirements, time limits, caps - near the headline figure, not three clicks away. "£2,000 bonus" with the conditions hidden is exactly what the rules target.

No language that exploits vulnerability

No "risk-free", no "guaranteed", no "can't lose", no urgency designed to pressure a decision, and clear 18+ and responsible-gambling messaging. Content that leans on those tactics is both non-compliant and a red flag about the operator behind it.

How to read an affiliate site critically

When you land on a page recommending non-Gamstop casinos, ask:

• Is the commercial intent disclosed clearly and early? If you had to dig for it, that tells you something.
• Does it explain how rankings are decided? Vague "we only recommend the best" with no method is not disclosure.
• Are the downsides covered anywhere? A site that only ever sells is not informing you - see our own honest look at the risks of non-Gamstop casinos.
• Is the bonus maths shown honestly? Hidden wagering requirements are a consistent warning sign.
• Is responsible-gambling messaging present and genuine? Or is it a token line in tiny text?

Why this benefits you

Disclosure rules are not bureaucratic box-ticking. They exist so you can weigh a recommendation properly - knowing the writer has a financial stake lets you read the content with appropriate scepticism. A site that resents disclosing its model is telling you it would rather you did not know. A site that discloses openly is giving you the information you need to judge it.

In short

• UK affiliate marketing must be clearly identifiable as advertising (CAP rule 2.1)
• Gambling content faces CAP Section 16, and bonus claims face Section 8
• A late-2025 ASA change narrowed the non-UK operator loophole
• Compliant disclosure means upfront labelling, an honest business-model explanation, accurate bonus terms and no exploitative language
• As a reader, treat the quality of disclosure as a quality signal in itself

18+. Gambling is entertainment, not income. Free, confidential support: BeGambleAware.org.