How many companies use Klaviyo vs Sendlane?

76,483 companies use Klaviyo and 96 companies use Sendlane in our database. Klaviyo is more widely adopted with 796.7x more companies than Sendlane.

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

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 is used by 76,483companies — 796.7x more than Sendlane (96).

76,483 use Klaviyo96 use Sendlane

	Klaviyo	Sendlane
Companies	76,483	96
Category	Marketing automation	Marketing automation

Get the full comparison

76,579 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

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GET /api/v1/tech?name=klaviyo

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