How many companies use Fathom vs Microsoft 365?

1,031 companies use Fathom and 1,150,088 companies use Microsoft 365 in our database. Microsoft 365 is more widely adopted with 1115.5x more companies than Fathom.

Can I get a list of companies using both Fathom and Microsoft 365?

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.

Fathom vs Microsoft 365

Microsoft 365 is used by 1,150,088companies — 1115.5x more than Fathom (1,031).

1,031 use Fathom1,150,088 use Microsoft 365

Side-by-side comparison

	Fathom	Microsoft 365
Companies	1,031	1,150,088
Category	Analytics	Other

Company adoption

Top companies using Fathom

Les Menuireslesmenuires.com

The Burrator Innburratorinn.com

Viet Shack restaurantvietshackrestaurant.co.uk

Official Celtic Football Clubcelticfc.com

Rosborg Gymnasium & HFrosborg-gym.dk

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1,151,119 companies with emails, tech stacks, and contacts

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1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=fathom

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