Knowledge Base

A collection of practical guides on UK ad compliance, rule updates, and industry best practices

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Essential reading for UK media buyers navigating today's rules

CAP Code Rule 3: Misleading Ads – A Practical Guide

A clear breakdown of CAP Code Rule 3 and how it affects digital ad campaigns. Includes recent ASA rulings and tips on backing up your claims.

Legal workspace with CAP Code documentation and advertising compliance research
Applies to: England, Wales, Scotland, Northern Ireland
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IFA (In-Feed Advertising) Compliance: A 2025 UK Update

Updated advice on in-feed ad compliance after OFCOM's latest consultation. Covers labelling, disclosure rules, and what platforms need to do.

Mobile interface showing in-feed advertising examples with compliance labelling
Applies to: England, Wales, Scotland, Northern Ireland
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How the Online Safety Act 2023 Affects Programmatic Buying

What the Online Safety Act means for programmatic ad campaigns, including platform duties and what advertisers need to watch for with content adjacency.

Data center infrastructure supporting programmatic advertising compliance systems
Applies to: England, Wales, Scotland, Northern Ireland
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Case Study: ASA Ruling on 'Greenwashing' in Car Ads

A close look at a recent ASA ruling on environmental claims in car ads, with practical takeaways for media buyers handling sustainability messages.

Automotive advertising compliance review workspace with environmental claims documentation
Related ASA rulings: 3 linked decisions
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Cookie Consent Under UK GDPR: A Step-by-Step Guide for Media Buyers

Simple steps for setting up cookie consent that complies with UK GDPR, including technical needs and recent ICO actions affecting ad-tech.

Development team implementing cookie consent solutions for advertising compliance
Applies to: UK-targeted campaigns globally
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Using Section 46 of the Consumer Protection from Unfair Trading Regulations 2008

Legal framework analysis for media buyers working with comparison sites, pricing claims, and promotional advertising under consumer protection legislation.

Legal compliance framework showing consumer protection regulations for digital advertising
Applies to: England, Wales, Scotland (separate guidance for NI)
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Authority Finder Tool

Click on a region to view specific regulatory information and guidance

UK Regulatory Regions

England & Wales

ASA jurisdiction, CAP Code application, CMA consumer protection guidelines. Includes specific guidance for digital advertising and e-commerce.

Scotland

ASA jurisdiction with Scots law variations, specific guidance on financial services advertising, and tourism marketing regulations.

Wales

Bilingual advertising requirements, ASA Welsh-specific rulings, and public sector advertising guidelines under Welsh government policy.

Northern Ireland

Separate enforcement mechanisms, cross-border advertising considerations, and specific guidance for sectors like alcohol and gambling.

Interactive map interface showing UK regulatory regions for advertising compliance

Interactive Glossary

Key terms and definitions for UK advertising compliance

ASA

UK's independent advertising regulator

CAP Code

Non-broadcast advertising standards

IFA

In-Feed Advertising standards

BCAP

Broadcast advertising regulations