Klaviyo

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Read 94 Klaviyo reviews and testimonials from customers, explore 40 case studies and customer success stories, and watch 5 customer videos to see why companies chose Klaviyo as their Marketing Automation Software

Klaviyo (CLAY-vee-oh) powers smarter digital relationships, making it easy for businesses to capture, store, analyze, and predictively use their own data to drive measurable, high-value outcomes. Klaviyo’s modern and intuitive SaaS platform enables business users of any skill level to harness their first-party data from more than 350 integrations to send the right message at the right time across email, SMS, and push notifications. Innovative businesses like Good American, TaylorMade, Liquid Death, Stanley 1913, and more than 146,000 other paying customers leverage Klaviyo to acquire, engage, and retain customers—and grow on their own terms.

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Customer Rating Review Scorebased on 3419 reference ratings
4.7/5.0 (3419)
  • Top Performer 2025 2025
    Winter 2025Top PerformerCustomer Data Platforms
    Press ReleaseReport
  • Hot 100 Vendor 2024 2024
    2024Hot 100 Vendor Award

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Featured Testimonials

  • "We switched from Mailchimp to Klaviyo because of their robust automations. Many consumers were not using our gear correctly and the outreach took a lot of time to manage, whereas an automation could make a happy customer before the pack arrived. From there we automated many more processes and love their email template creation for our weekly email."

    JoshChief Executive Officer

  • "By switching from MailChimp to Klaviyo, we were able to make email marketing the backbone of our business through intuitively built email flows based on easily defined customer segments. Better yet, integration with Shopify was a breeze and required no learning curve."

    JoeFounder

  • "We can target certain forms to certain Klaviyo segments, or to new subscribers. We have great flexibility in triggering different forms, from device type to location to activity in Klaviyo and more. The result is we can create the right message at the right time for the right person."

    Lorna LaddThe Dog Bakery
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Featured Case Studies

  • How Living Proof Expanded Its DTC Business

    Ilana CohenSenior Ecommerce Manager

  • How Taylor Stitch skyrocketed revenue per recipient by 60% with sophisticated segmentation

    Mike GrasewiczDirector of Marketing

  • How Mixtiles Unites Email and SMS to Drive Almost 40% of All Revenue

    Guy PessahLifecycle Marketing Manager
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Featured Customer Videos

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Additional Klaviyo Information & Resources

Read Klaviyo Reviews, Testimonials & Customer References from 94 real Klaviyo customers.

Browse Klaviyo Case Studies, Customer Success Stories, & Customer References from 40 businesses that use Klaviyo.

Watch Klaviyo Customer Videos to learn why 5 businesses chose Klaviyo.

FeaturedCustomers has 1,881,062+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.