Klaviyo, Inc. provides a cloud-based software-as-a-service platform across the United States, the rest of the Americas, Asia-Pacific, the United Kingdom, the rest of Europe, the Middle East, and Africa. Its offerings include Klaviyo B2C CRM, which unifies marketing, service, and analytics; the Klaviyo Data Platform (KDP) and Advanced KDP for data unification, enrichment, transformation, reporting, predictive analysis, and syncing; Marketing Agent and Customer Agent, AI-driven assistants for marketing and customer support; Klaviyo Social; and Marketing Analytics. The company also offers email marketing solutions, mobile messaging via text, rich communication services, and WhatsApp, personalized push notifications, a reviews add-on, and integration, segmentation, automation, and analytics features, as well as Customer Hub and Helpdesk. Founded in 2012 and headquartered in Boston, Massachusetts, Klaviyo serves entrepreneurs, small and medium-sized businesses, mid-market businesses, and enterprises.