1B+ records 200+ countries 95%+ verified Updated July 20, 2026
Tech Platform Intelligence · Klaviyo · 2026

Klaviyo Users B2B Database

Klaviyo has approximately 150,000 customers — predominantly e-commerce businesses using Shopify, WooCommerce, or Magento. Klaviyo is the dominant email and SMS marketing platform for mid-market e-commerce (merchants doing $500K-$50M in revenue). Average Klaviyo customer generates

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