Klaviyo

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Read 143 Klaviyo reviews and testimonials from customers, explore 82 case studies and customer success stories, and watch 6 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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  • 143 Testimonials View
  • 82 Case Studies View
  • 6 Customer Videos View
Customer Rating Review Score based on 3534 reference ratings
4.7/5.0 (3534)
  • Winter 2025 Top Performer Customer Data Platforms
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Featured Testimonials

  • "In the last 12 months, we’ve done nearly $1M with the automated email flows in Klaviyo. We’re not spending additional money to get that. Once we turn them on, they’re …

    Christopher Petitt Operations Manager

  • “Klaviyo tracks everything about our customers. I get all the data, all the metrics, all the preferences, all the conversion tracking right in a single customer profile. It’s perfect—a marketer’s …

    Ashley Werner Director of Social Communications

  • "Our team couldn’t believe how easy Klaviyo was to use. It was so simple for us to go in and create sends without having to do SQL queries or understand …

    Matthew Seifert Vice President of CRM
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Featured Case Studies

  • The VIA Institute on Character grows share of revenue from email 2.5x …

    Sara Webb Marketing Manager

  • Brodo grows Klaviyo revenue 293% with help from WooCommerce integration

    Andrew Garner Chief Executive Officer

  • Why Brava Fabrics Says Email Is Their Most Profitable Marketing Channel

    Ivan Monells Co-Founder
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Featured Customer Videos

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Additional Klaviyo Information & Resources

Read Klaviyo Reviews, Testimonials & Customer References from 143 real Klaviyo customers.

Browse Klaviyo Case Studies, Customer Success Stories, & Customer References from 82 businesses that use Klaviyo.

Watch Klaviyo Customer Videos to learn why 6 businesses chose Klaviyo.

FeaturedCustomers has 1,909,601+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.