Media Companies Using Google Tag Manager in the UK: 1,026 Active Firms (2026)

Updated June 2026

Media companies running tag-management technology publish, monetise and measure digital content across the UK.

Tag-management systems sit between a media publisher’s site code and the analytics, advertising, consent and campaign tags used by editorial, audience, commercial and technology teams. In this sector, adoption usually signals a publisher with direct digital acquisition or engagement to measure, rather than a brochure site. The buying centre tends to span audience development, advertising operations and web engineering, with governance questions around who can add tags, how changes are tested, and how consent signals pass through to downstream tools. The cohort fits lean commercial operators as well as mid-sized publishers with dedicated editorial and revenue teams.

Across the UK, 1,026 actively trading media and publishing companies are running this tag-management stack. Reported employment is narrow but complete within the reporting group: 118 of 118 firms disclose headcount, with 2,868 employees in total. Within detected tag-manager usage in the sector, the stack accounts for 99.1%, against 1.2% for the other tracked system, so it is effectively the default choice in this category. Registered addresses are concentrated in London, at 43.9% of the cohort, followed by the South East at 13.4%, the North West at 8.3%, the South West at 8.2% and the East of England at 7.5%.

Consent, advertising tags and audience analytics make tag governance a board-level risk for some publishers, even where the tooling itself is owned by marketing or web teams. UK operators need to align tag deployment with GDPR, ICO guidance and their own consent-management approach, particularly where advertising identifiers, newsletter acquisition and paywall journeys feed into campaign attribution. Procurement also tends to be shaped by the wider website stack: content management, analytics, bot protection, embedded video and cloud hosting choices influence how much engineering work is needed to maintain tagging without slowing pages or weakening editorial workflows.

Adoption appears mature among digitally commercial media businesses, so the next phase is less about initial deployment and more about control. Publishers are likely to keep tightening permissions, reducing redundant tags and moving more measurement into server-side or privacy-led patterns where commercial teams can still attribute campaigns. Smaller operators may continue using relatively simple configurations, while scaled publishers tend to need clearer ownership between audience, advertising operations and engineering. Vendor consolidation around analytics, consent and advertising workflows may also make tag management feel less like a standalone decision and more like part of the wider publishing revenue stack.

What’s in the file

One row per company, 14 columns. The contact columns unlock when you get the list.

Included

Company name

Website

City & address

Companies House no.

Incorporation year

Turnover (£)

Employees

Headcount growth (YoY)

Financial-health score

Sales-readiness score

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Decision-maker name

Role / title

Verified email

LinkedIn URL

Adoption by company size

Adoption of Google Tag Manager rises with company size across the trading UK media companies in this cohort. 0.8% of the 91,499 companies with under 10 employees run Google Tag Manager (703 detected). 21.2% of the 1,410 companies with 10–50 employees run Google Tag Manager (299 detected). 23.1% of the 121 companies with over 50 employees run Google Tag Manager (28 detected). That is a 22.3% gap between the over 50 employees and under 10 employees bands.

1,026

Active firms

2026

99.1%

Of detected Tag managers share

UK media

Median headcount

Filed accounts

2,412

Verified contacts

Across this cohort

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What’s in the file

Adoption by company size

Tag manager market share among UK Media

What else do Google Tag Manager-running Media run?

Where Google Tag Manager Media are, and how healthy they look

Top UK Media using Google Tag Manager

How Google Tag Manager usage is detected

Company data

Detection

Freshness

Other Media technology

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