Klaviyo, Inc.

Klaviyo, Inc. is a technology company that provides a software-as-a-service (SaaS) marketing automation platform, primarily focused on email and SMS marketing for business-to-consumer (B2C) brands, particularly within the e-commerce sector. The company's mission is to power smarter digital relationships by enabling businesses to leverage their own customer data to drive measurable, high-value outcomes and foster personalized consumer experiences across various digital channels. Klaviyo's global headquarters are located in Boston, Massachusetts, United States, at 125 Summer Street, 6th Floor.

Klaviyo's platform offers a comprehensive suite of products and services, including email marketing, SMS marketing, mobile push notifications, and product reviews. A core component is its customer data platform (CDP), which unifies customer data from over 300 integrations, including major e-commerce platforms like Shopify, Magento, BigCommerce, and WooCommerce. The platform features advanced segmentation tools, predictive analytics for insights such as churn risk and customer lifetime value, and AI-powered content generation capabilities. It primarily serves small to medium-sized businesses (SMBs), mid-market companies, and increasingly larger enterprises in verticals such as apparel, health & beauty, and home goods.

Klaviyo became a publicly traded company on September 20, 2023, listing on the New York Stock Exchange (NYSE) under the ticker symbol "KVYO." Co-founder Andrew Bialecki serves as the CEO and Chairman of the Board, with co-founder Ed Hallen as Chief Strategy Officer. In 2025, Klaviyo was recognized as a Leader in the IDC MarketScape for AI-Enabled Marketing Platforms for Small Businesses, and a Major Player for midsize businesses, underscoring its AI-first B2C CRM approach. The company has expanded its offerings to include the Klaviyo B2C CRM, integrating marketing automation, analytics, and customer service, and has launched AI-powered Marketing Agent and Customer Agent to enhance campaign planning, content creation, and customer support.