Case Study: Harney & Sons achieves 114x ROI with Klaviyo

Harney & Sons drives 114x ROI with Klaviyo B2C CRM

Harney & Sons, a family-run tea brand with a growing DTC and B2B business, was struggling with a fragmented CRM setup. While they initially used Klaviyo for email, other retention tools for SMS, loyalty, reviews, and analytics made it difficult to target the right audiences, share social proof, and avoid sending messages to unsubscribed customers.

Harney & Sons consolidated its retention stack in Klaviyo, adding Klaviyo SMS, Reviews, and Marketing Analytics alongside integrations with Nosto, Rise, and Recharge. With Klaviyo, the team improved targeting, streamlined workflows, and used RFM segmentation to drive better personalization—leading to 114x ROI in Q4 2024, 13% YoY growth in revenue per email recipient, 34% YoY growth in click rate on flow emails, and a campaign with 21% higher average order value than their 2024 ecommerce average.

Harney & Sons