Klaviyo

Klaviyo

klaviyo.com

marketing & advertising

Boston, Massachusetts, United States
1001-5000 employees
1007298000 revenue

About Klaviyo

email marketing, ecommerce, data science, analytics, saas, email, information technology, enterprise software, consumer internet, software, internet, marketing services, e-commerce, help center, support resources, event marketing, automated flows, customer data platform, ai-powered campaign builder, customer profiles

91 technologies detected · 56 decision makers · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Klaviyo's Position in the StackWho Database

  • Klaviyo is 1 of 80,546 marketing & advertising companies tracked in StackWho.
  • 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
  • 10,409 companies in Massachusetts are in the StackWho database.
  • 119 marketing & advertising companies are in the 1001-5000 employee range (same size as Klaviyo).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Klaviyo use?

Klaviyo uses CloudFlare CDN, Salesforce, Route 53, Gmail, Google Apps, Microsoft Office 365, and 85 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Klaviyo?

StackWho has verified email addresses for 56 decision makers at Klaviyo. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Klaviyo directly for sales, recruiting, or partnerships.

What industry is Klaviyo in?

Klaviyo operates in the marketing & advertising industry, headquartered in Boston, Massachusetts, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Klaviyo's contact data?

Yes. StackWho Pro members can export decision maker contact data for Klaviyo and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.