The Advertising Association/WARC Expenditure Report is the most trusted source of UK adspend data. The full executive report and access to the data is available via subscription only, however you can submit your details to read the executive summary.
The latest quarterly data shows that:
About the AA/WARC adspend data
The Advertising Association/WARC quarterly Expenditure Report is the most trusted source of adspend data. It is a must-have for planning, budgeting, client presentations, strategy or investment advice. You can buy your annual subscription here.