How many companies use Google Tag Manager vs Substack?

4,665,273 companies use Google Tag Manager and 6,092 companies use Substack in our database. Google Tag Manager is more widely adopted with 765.8x more companies than Substack.

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

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

Google Tag Manager vs Substack

Google Tag Manager is used by 4,665,273companies — 765.8x more than Substack (6,092).

4,665,273 use Google Tag Manager6,092 use Substack

Side-by-side comparison

	Google Tag Manager	Substack
Companies	4,665,273	6,092
Category	Tag managers	Blogs

Company adoption

Top companies using Substack

NLRB Edgenlrbedge.com

Nita Jainnitajain.com

Nirvana WOKnirvanawok.com

Nintendo Bulletinnintendobulletin.com

Linfamy Does Japanlinfamy.com

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4,671,365 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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