Klaviyo, Inc. (NYSE: KVYO)

Klaviyo, Inc. operates as a business-to-consumer (B2C) customer relationship management (CRM) platform, specializing in creating smarter, stronger, and more valuable customer experiences. The company unifies data, intelligence, and actions that define consumer relationships into an infrastructure designed for autonomy and scale. Klaviyo's primary offering is the Klaviyo Data Platform (KDP), which turns real-time consumer data into personalized, revenue-driving experiences across marketing, service, and beyond. The platform serves over 193,000 businesses, ranging from emerging creators to global enterprises, across various industries including retail, eCommerce, education, events, entertainment, restaurants, and travel.

Klaviyo generates revenue through subscription plans tiered based on the number of active consumer profiles stored on its platform and the volume of emails, text messages, WhatsApp messages, customer tickets, and conversations through Klaviyo Service. The company's subscription plans are primarily monthly, with the vast majority of customers opting for this billing cycle. Klaviyo's land-and-expand strategy aligns its success with customer growth, as businesses increase their usage of the platform by adding more active consumer profiles and sending more messages, which naturally expands revenue.

• Klaviyo B2C CRM: This unified platform combines marketing, service, analytics, and the data platform into a single system designed to meet the high-volume, fast-paced needs of consumer companies. It enables businesses to manage interactions across channels and touchpoints, supporting more personalized and consistent consumer experiences.

• Marketing Agent: An AI-driven, autonomous marketing assistant built into the Klaviyo B2C CRM platform. It automates and accelerates marketing strategy, content creation, and campaign execution for consumer companies, enabling teams to operate with greater efficiency and creativity.

• Customer Agent: An AI-powered assistant that provides 24/7 support and selling across digital channels. It answers questions, resolves issues, and helps shoppers discover products and complete purchases, delivering personalized, real-time conversations at scale.

• Email: Klaviyo enables businesses to send personalized email communications leveraging a unified consumer profile and real-time behavioral data. The platform includes customizable drag-and-drop templates, automated campaign and workflow capabilities, Smart Send Time optimization, generative AI tools for content and subject line creation, and A/B testing.

• Text and WhatsApp Messaging: Klaviyo's platform includes robust mobile messaging capabilities that enable companies to engage consumers via text messaging, Rich Communication Services (RCS), and WhatsApp, all powered by real-time consumer data and unified profile infrastructure.

• Mobile App Marketing: The push notification channel allows customers to send personalized push notifications on iOS and Android devices to engage consumers with timely and relevant mobile app notifications, building omnichannel experiences.

• Social: With the acquisition of Gatsby in 2025, Klaviyo enables companies to convert social media engagement into measurable growth. Klaviyo Social brings social interaction data into unified consumer profiles, enabling more personalization across channels and growing owned contact lists directly from social platforms.

• Reviews: The Reviews add-on allows customers to collect product reviews alongside consumer data and messaging in Klaviyo, delivering a seamless experience across the customer lifecycle. AI tools suggest review headlines and generate personalized review replies.

• Service: Klaviyo's Service suite, including Customer Hub, Helpdesk, and Customer Agent, connects consumer-facing service experiences with Marketing on a single platform powered by data and AI. These offerings enable businesses to engage consumers more consistently across the customer lifecycle.

• Data and Analytics: The Klaviyo Data Platform (KDP) unifies real-time and historical consumer data for marketing, customer service, and analytics. Advanced KDP provides enhanced data capabilities, including data export to third-party destinations, no-code data transformations, customizable CLV predictive analytics, and advanced segmentation. Marketing Analytics offers real-time, AI-powered insights into consumer purchase behavior.

Klaviyo operates in a highly competitive market, facing competition from established and emerging players such as Mailchimp, Braze, Adobe, and Salesforce. The company's competitive advantages include its unified data architecture, ease of deployment and use, integration with third-party applications, breadth and depth of features, quality and accuracy of data and predictive intelligence, and the ability to support multiple use cases and verticals. Klaviyo's platform is designed to support the evolving consumer expectations for more personalized, responsive, and continuous interactions, leveraging AI-driven capabilities to reduce operational bottlenecks and improve team efficiency.

Klaviyo's customer base is diverse, serving businesses of all sizes across various industries and geographies. The platform is particularly strong in the retail and eCommerce vertical, with a growing presence in international markets. As of December 31, 2025, Klaviyo served over 193,000 customers, reflecting its broad appeal and scalability. The company's go-to-market strategy is primarily product-led, attracting new customers through inbound channels such as word-of-mouth, agency partnerships, and platform integrations. Klaviyo's customer-first approach and the measurable value it delivers have made it a powerful advocate for its solution, driving strong word-of-mouth motion.