
Rules and ethics
When does the ASA CAP Code cover agency content as an ad?
Content marketing agency output falls under the CAP Code whenever it is promotional and paid for, so recognition, disclosure and evidence duties bite early.
What to take away
- A content marketing agency is publishing an ad whenever content is paid for, controlled by the advertiser and designed to promote, whatever label sits on it.
- Influencer and creator posts count as ads when the brand has control, and the ASA expects obvious, upfront labelling such as #ad.
- Native advertising and advertorials must be identifiable as marketing before a reader engages with them, not after.
- Substantiation must exist before publication, held by the agency or the client, for every objective claim.
- The ASA can name non-compliant online advertisers, remove paid search ads and ask platforms to withdraw content.
- Copy Advice gives confidential pre-publication guidance, which is not a guarantee against a later ruling.
When agency content becomes an ad under the CAP Code
The CAP Code applies to non-broadcast marketing communications, and that scope is wider than most agency teams assume.
The ASA remit extends to marketing communications on companies' own websites and in other non-paid space, where the content is directly connected to the supply of goods or services. That catches a lot of brand journalism.
The full scope sits in the UK advertising codes that apply to content marketing, including native advertising rules, published by the ASA and CAP. Read them before you sign off a format, not after a complaint.
The CAP Code rules for non-broadcast advertising set out the detail, from recognition and substantiation through to sector-specific restrictions. These are the rules a compliance reviewer should be working from directly.
Practical trigger points matter more than definitions. If the client paid, approved, briefed or can veto the content, treat it as advertising. If it promotes a product or service, treat it as advertising. If both are true, the CAP Code applies.
Where an agency is unsure whether a brief crosses the line, it is worth checking advertising rules before a brief is written, because the format chosen often decides the compliance burden.
Paid partnerships with publishers, sponsored newsletters and social amplification all fall inside the remit. So does content that an agency places on a client's behalf under a commercial arrangement.
One common gap is content produced for a client's own channels by an agency that assumes owned media is exempt.
Influencer and creator content: recognition and disclosure duties
Creator content is advertising when the brand pays or otherwise rewards the creator and exercises control over the content. Gifts, free trips, affiliate commissions and product seeding can all count.
The ASA influencer rules require that ads are obviously identifiable as ads. A label buried in a hashtag wall, or a platform's own paid partnership tag alone, is often not enough.
Disclosure must come before the audience engages with the content. A viewer should know it is an ad from the post itself, without clicking through or reading a caption to the end.
Clear vs risky disclosure labels
Clear labels
- Examples
- #ad, #advert
- Audience reading
- Recognised as ad
- Placement
- Before engagement
- Platform tag
- Supplemented by label
Risky labels
- Examples
- #sp, #collab, #ambassador
- Audience reading
- May not read as ad
- Placement
- Buried in hashtag wall
- Platform tag
- Paid partnership tag alone
Control is the pivot. If the brand approves script, imagery or messaging, the content is an ad even where the creator keeps editorial freedom over tone.
Agency teams running creator programmes should hold a disclosure policy that covers label wording, placement, platform variations and who checks each post. A written policy makes the difference between a one-off problem and a pattern.
Stories, live streams and short-form video need the label in the content itself, not only in a bio or a pinned comment. Audio-only formats need a spoken disclosure.
Where a creator also runs their own brand, the relationship still needs stating. Audiences cannot be expected to work out which mentions are paid.
Native advertising and advertorial labelling rules
Native advertising is marketing that borrows the look and feel of editorial. The rules do not ban it. They require that readers can tell it apart from independent content.
Native ad labelling checklist
- Label prominent and before engagement
- Use 'advertisement feature' or 'promoted content'
- Avoid small grey type below fold
- Agree label wording with publisher in writing
- Keep timestamped screenshots of what ran
- Ensure label travels with syndicated content
A label such as "advertisement feature", "promoted content" or "paid post" should be prominent and appear before the reader engages. Placing it in small grey type below the fold fails the recognition test.
Mimicking a publisher's typography, bylines and layout is acceptable only when the commercial nature is clear. If a reader could reasonably think a journalist wrote it independently, the labelling is inadequate.
Advertorials in print and online need the same treatment. The label must be unambiguous, not a wink to readers who already know the deal.
Sponsored content hubs, paid newsletter slots and brand-funded podcasts all sit in this space. Each needs its own recognition check, because a label that works on a web page may vanish in an audio feed.
Agencies should agree label wording with the publisher in writing and keep evidence of what ran. Screenshots with timestamps are the practical record.
Where content is syndicated or republished, the label must travel with it. A disclosure that gets stripped in distribution is a compliance failure.
Substantiation: evidence an agency must hold before publishing
Substantiation requirements mean an advertiser must hold evidence to prove objective claims before they are published. The burden sits with the advertiser, which in practice means the agency and client together.
Substantiation file checklist
- Published asset stored
- Claim list documented
- Source data on file
- Qualification wording supported
- File updated when campaign amended
- Consent and claims checked early
Claims about performance, comparisons, prices, awards and health outcomes all need evidence. If a claim cannot be supported, it should not run, however good the copy reads.
Evidence should be sound and proportionate to the claim. A single customer review does not substantiate a superiority claim, and a small internal test does not substantiate a broad market claim.
The ASA can ask for evidence when it assesses a complaint, and a failure to produce it usually means the claim is treated as unproven. That is a ruling waiting to happen.
Agencies should keep substantiation files with the published asset, the claim list and the source data. When a campaign is amended, the file should be updated at the same time.
Qualification wording matters. "Up to", "typical" and "selected customers" can make a claim defensible, but only where the underlying data supports the qualification.
Where an agency is handling regulated products or sensitive categories, the evidence bar rises, and it is worth checking consent and claims early rather than at review stage.
- Comparisons name the basis and the date of the data.
- Testimonials and reviews are genuine and traceable.
- Qualifications match the underlying evidence.
- Reused claims from older campaigns have been re-verified.
- Client sign-off records which claims were approved and on what basis.
Sector sensitivities: health, finance and children's content
Health and beauty content faces tighter rules under CAP Code section 12 (medicinal products, treatments and health) and section 13 (weight control and slimming). Claims to treat or prevent conditions need sound evidence and often carry specific restrictions.
Sector sensitivities and extra rules
Sector
- Health and beauty
- Tighter claims, testimonials, imagery
- Financial
- FCA financial promotion rules apply
- Children's
- Targeting, imagery, purchase appeals
- Alcohol, gambling, food
- Own specific restrictions
- Environmental
- CMA and ASA active on green claims
Extra rules
- Health and beauty
- Financial
- Children's
- Alcohol, gambling, food
- Environmental
Financial content for regulated clients sits alongside FCA financial promotion rules and CAP Code section 14 (financial products, services and investments). An agency producing a campaign for a regulated firm needs the client's compliance team involved early.
Children's content attracts restrictions under CAP Code section 5 (children) on targeting, imagery and appeals to purchase. Age-gating and placement decisions are part of the compliance question, not just the media plan.
Alcohol, gambling, food and supplements each carry their own restrictions under CAP Code sections 17 (alcohol), 16 (gambling) and 15 (food and supplements). A generic checklist will not cover them, so sector rules should be read for each campaign.
Environmental claims are another live area, with the CMA Green Claims Code and CAP Code rule 3.1 on misleading claims both active. Vague terms such as "eco-friendly" without evidence are a common source of complaints.
Where a campaign spans several of these categories, the strictest applicable rule usually governs the creative. Plan for that at concept stage.
ASA enforcement, rulings and sanctions to expect
The ASA looks into complaints and may also take action based on its own monitoring. Most cases end in a ruling published on the ASA site, naming the advertiser and the ad.
For example, in 2019 the ASA ruled that Instagram posts by Sophie Hinchliffe, known as Mrs Hinch, were ads for P&G and required clear labelling.
ASA enforcement escalation
- Complaint or ASA monitoring
- Ruling published naming advertiser
- Adverse publicity and brand search impact
- Trading privileges withdrawn
- Paid search ads removed
- Platforms asked to block content
- Repeated non-compliance referred further
The main sanction is adverse publicity. Rulings are published, indexed and searchable, and they surface in brand searches for years.
The ASA sanctions that follow non-compliant marketing set out the escalation route for advertisers that will not comply. These include withdrawing trading privileges and working with platforms and search engines.
Paid search ads can be removed, and platforms can be asked to take down or block non-compliant content. Repeated non-compliance can lead to further referral.
Non-compliant online advertisers can be named in ASA publicity, which is often the outcome that worries boards most. The commercial damage usually exceeds any media cost saved.
Agency reputations are exposed too. A ruling names the advertiser, but the agency that produced the work is visible to anyone reading the case.
Where a client refuses to amend, agencies should document the advice given. That record matters if the relationship later becomes a dispute.
Pre-publication checks using ASA Copy Advice
The ASA Copy Advice service gives confidential, pre-publication guidance on whether a campaign is likely to comply. It is free and available to agencies as well as advertisers.
Copy Advice does not bind the ASA. A later complaint is still assessed on its merits, so the advice reduces risk rather than removing it.
Use it for borderline recognition, substantiation and sector questions. It is most valuable where a format is new to the team or the category is tightly regulated.
The sequence runs as follows. First, check whether each item is an ad under the CAP Code. Second, agree label wording with the publisher in writing. Third, gather evidence for every objective claim before publication. Fourth, submit borderline questions to Copy Advice. Fifth, store the substantiation file with the live asset.
Pre-publication compliance sequence
- Check CAP Code scope for all assets
- Add #ad in first line and video
- Label sponsored article above headline
- Match performance claim to client study
- Ask Copy Advice on wording and placement
- Store evidence, screenshots and sign-offs
That sequence is repeatable across sectors. The order matters more than the tools used.
For agencies building this into client work, the wider question of content agency rules and ethics is worth settling at onboarding, so each brief starts from a known baseline.



