How many companies use Klaviyo vs Mailchimp?

65,754 companies use Klaviyo and 97,099 companies use Mailchimp in our database. Mailchimp is more widely adopted with 1.5x more companies than Klaviyo.

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

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.

Klaviyo vs Mailchimp

Mailchimp is used by 97,099companies — 1.5x more than Klaviyo (65,754).

65,754 use Klaviyo97,099 use Mailchimp

Side-by-side comparison

	Klaviyo	Mailchimp
Companies	65,754	97,099
Category	Marketing automation	Marketing automation

Company adoption

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