Technologies / Email and communications / Klaviyo
Companies using Klaviyo
Klaviyo is a marketing and customer relationship platform that brings together email, SMS, WhatsApp, mobile push, and other channels with customer data. It is used by businesses to plan, personalize, and automate customer communications and customer service.
Summarized from klaviyo.com on 8 Nov 2026.
Seen in30 subprocessor lists36 privacy policies
Companies using Klaviyo
Subprocessor listPrivacy policyWebsiteJob postings
34 more companies
See more companies, with the source for each.
Create a free accountWork email, no card. Already have one? Log inA company can count under more than one kind of evidence. Our coverage is partial, so this is not everyone using Klaviyo.
Vendor certifications
Held by Klaviyo (klaviyo.com), the company. A company's certification may not cover every product it sells. See Klaviyo.
| Standard | What the source says | Checked |
|---|---|---|
| ISO 27001Company's statement | “ISO 27001 ISO 27017 PCI:DSS GDPR”The company's own statement. We have not checked an accreditation registry. | 8 Nov 2026Source |
| SOC 2 Type IICompany's statement | “SOC 2 TYPE II CERTIFIED 2.5B AVERAGE EVENTS PROCESSED DAILY”The company's own statement. SOC 2 has no public registry; the report itself is shared by the company, usually under NDA. | 10 Nov 2026Source |
We last read 2 of its pages on 10 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Klaviyo lacks it.
A company's statement is shown as it wrote it, and is not verification. A registry listing is shown as the registry lists it. Neither is our assessment of Klaviyo's compliance. How we read certifications.
Questions
How many companies use Klaviyo?
59 companies in StrataDB's data have public evidence for Klaviyo, and 30 of them name it in their own subprocessor list. Our coverage is partial, so the real number is higher.
Which companies use Klaviyo?
Andzen, ATAR Notes, Attribyte, Babbily and Braiv, and 54 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses Klaviyo?
From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.
Build your list of Klaviyo customers
See every company we hold evidence for, with its source, and get an alert when a company adds or drops Klaviyo.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call