How many companies use Mailchimp vs Postmark?

78,095 companies use Mailchimp and 284 companies use Postmark in our database. Mailchimp is more widely adopted with 275.0x more companies than Postmark.

Can I get a list of companies using both Mailchimp and Postmark?

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.

Mailchimp vs Postmark

Mailchimp is used by 78,095companies — 275.0x more than Postmark (284).

78,095 use Mailchimp284 use Postmark

Side-by-side comparison

	Mailchimp	Postmark
Companies	78,095	284
Category	Other	Other

Company adoption

Top companies using Postmark

Clinique Myozenmyozen.ca

Verlag Das Wunderhornwunderhorn.de

NCNatural says "Howdy!ncnatural.com

SAFE Locatorsafelocator.org

Commi.shcommi.sh

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78,379 companies with emails, tech stacks, and contacts

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