2.5B
average events processed daily
The B2C CRM built for modern enterprise
Klaviyo is the platform where data, AI, and marketing channels work together by design, not in silos. Brands get the real-time view of the customer they need for better targeting, personalisation, and ROI at scale.
Powering 205,000+ relationship-driven brands
Enterprise-grade without enterprise drag
Accelerate with one integrated platform, not synced tools
Your data, AI and every channel run together with Klaviyo, so when a customer takes action, every team sees it and every channel can act on it instantly. No syncing. No lag. No broken pipelines.
Grow with real B2C intelligence, not generic AI
Trained on trillions of real B2C sends and their outcomes, not generic data, Klaviyo AI knows what drives revenue for audiences like yours. Your team sets the strategy. Klaviyo AI handles the execution.
Deliver in every channel, without developer dependency
Every channel orchestrated from one place, including social interactions that convert into owned subscribers. And with no-code tools powerful enough for enterprise, your team executes without waiting on anyone.
Reliability and volume at enterprise scale, no downtime
Klaviyo processes 2.5 billion events daily at 99.95% uptime, so it holds up when volume spikes. Multi-brand management and enterprise-grade compliance mean your team can operate globally without your platform becoming the bottleneck.
Infrastructure built for your busiest days
1.6B
average API calls processed daily
7.3B
customer profiles
99.95%
uptime across all services
Recognised by leading analysts
Named a Strong Performer in The Forrester Wave(TM): Email Marketing Service Providers, Q1 2026.
Recognised as a Representative Vendor in the Gartner® Market Guide for Email Marketing, 4 November 2025.*
Named a Major Player in the 2026 IDC MarketScape: Worldwide AI-Enabled CDPs for B2C Users.
Loved by enterprise marketers
Forrester
Customer Halo recipient
Gartner
Peer Insights
TrustRadius
Buyer’s choice
G2 Leader
Summer 2026 leader
Enterprise case studies
Nestlé Health Science uses Klaviyo for consistent customer experiences
How Huber Holding drives 91x global Klaviyo ROI across six brands
Glow25 expands to 4 countries with Klaviyo and WooCommerce
Manucurist boosts global growth with Klaviyo, achieving a 120x ROI
Maison Berger Paris generates 46% ecommerce revenue with Klaviyo
Payot becomes an automated lead gen machine
Scuffers unified email and SMS in Klaviyo with segmented messaging
Freshly Cosmetics increased its revenue by 136% with Klaviyo
Paul Smith uses Klaviyo to better fit their B2C and B2B needs
350+ pre-built integrations
Seamlessly connect all of your data to Klaviyo.
Additional resources
Learn how Klaviyo makes it easier for marketing, digital and developer teams to deliver better results.
Klaviyo Academy
On-demand courses, live training, and guides to learn the ropes of Klaviyo and elevate your strategy.
Professional services
Our professional services and support packages provide the guidance and help you need to reach your goals.
Klaviyo MCP server
Step-by-step guidance to configure Klaviyo's MCP server to get AI assistance with your Klaviyo data.
Email marketing
Learn more about the powerful features that 205,000+ brands rely on to drive revenue.
Klaviyo is the autonomous B2C CRM—built to give large brands real-time customer data, AI, and channel execution on one platform, without the developer dependencies and maintenance overheads that slow most marketing teams down.
In the Forrester Wave™: Email Marketing Service Providers, Q1 2026, Klaviyo placed above both Salesforce and SAP, which were classed as Contenders. Klaviyo also received above-average customer satisfaction scores across the portfolio—validated by Forrester, not self-reported.
*Gartner does not endorse any company, vendor, product or service depicted in its publications, and does not advise technology users to select only those vendors with the highest ratings or other designation. Gartner publications consist of the opinions of Gartner's business and technology insight organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this publication, including any warranties of merchantability or fitness for a particular purpose. GARTNER is a trademark of Gartner, Inc. and/or its affiliates.