How many companies use Proton Mail vs SendGrid?

9,230 companies use Proton Mail and 101,883 companies use SendGrid in our database. SendGrid is more widely adopted with 11.0x more companies than Proton Mail.

Can I get a list of companies using both Proton Mail and SendGrid?

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.

Proton Mail vs SendGrid

SendGrid is used by 101,883companies — 11.0x more than Proton Mail (9,230).

9,230 use Proton Mail101,883 use SendGrid

Side-by-side comparison

	Proton Mail	SendGrid
Companies	9,230	101,883
Category	Other	Other

Company adoption

Top companies using Proton Mail

Paul Watson Foundation UKneptunespirates.uk

Geanixgeanix.com

Cieux Ouvertscieuxouverts.bzh

KlonKaffeklonkaffe.dk

Squattersquatter.org.uk

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111,113 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=proton-mail

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