How many companies use Google Tag Manager vs Varnish?

11,515 companies use Google Tag Manager and 3,912 companies use Varnish in our database. Google Tag Manager is more widely adopted with 2.9x more companies than Varnish.

Can I get a list of companies using both Google Tag Manager and Varnish?

Yes. AgentData tracks companies using both tools. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

Google Tag Manager vs Varnish

Google Tag Manager is used by 11,515companies — 2.9x more than Varnish (3,912).

11,515 use Google Tag Manager3,912 use Varnish

Side-by-side comparison

	Google Tag Manager	Varnish
Companies	11,515	3,912
Category	Other	Other

Company adoption

Top companies using Varnish

The Binary Organisationthebinary.org

Linktreeking88bet1.biz

Khaz.bizkhaz.biz

Local Plumbers in Kensington, Chelsea, Hammersmith & Fulhamkensington.biz

Reunions 2025keepitfun.biz

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15,427 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=google-tag-manager

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All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

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AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

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