The UK guide to advertising

Clear explanations of how advertising works, what it costs, and what the ASA requires, written for the businesses that buy advertising. The latest UK advertising news sits below.

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UK advertising news, tracked as it happens

What changed this week in ASA rulings, platform pricing and the channels UK advertisers actually use.

What's on the site

Guides, tools and reference pages for anyone planning UK advertising spend.

How Advertising Works — A Guide

How Advertising Works — A Guide

How businesses pay for advertising, how platforms target audiences, and how results are measured — explained without jargon for UK business owners.

How Digital Ad Auctions Work

How Digital Ad Auctions Work

How Google, Meta, and programmatic platforms price ad inventory through real-time auctions — explained for UK advertisers who want to understand what they are bidding on.

Where to start

The tools and guides for UK advertisers

A short route through the guides, tools and reference pages that make up the site, whichever part of advertising you're trying to get right.

Guides for every channel

Step-by-step explanations of budgets, channel choice and campaign mechanics, written for someone doing this without an agency.

Explore the guides

Calculators for ad budgets

Work out significance, budget splits and benchmark comparisons with tools built around UK pricing data.

Try the calculators

A directory of UK ad channels

A reference list of the channels open to UK advertisers, from paid social to out-of-home (OOH).

Browse the directory

Where the ASA rules sit

A map of which CAP Code rules apply to which channel, so you know what to check before a campaign runs.

See the regulation map

Terms explained as you meet them

CPM, CPC, programmatic and the rest, defined in the language advertisers actually use.

Look up a term

Work out what your numbers are actually telling you

A test result and a budget figure are both starting points, so treat what the calculators return as a working number to check against your own judgement before you commit spend.