Klaviyo is a leading SaaS platform built to help e-commerce businesses deliver personalized marketing across email, SMS, mobile, and web. By combining customer behavior data with AI-powered segmentation and automation, Klaviyo enables brands to send highly targeted messages, reduce abandoned carts, boost customer loyalty, and improve conversions. Its no-code tools integrate seamlessly with Shopify, BigCommerce, WooCommerce, and thousands of apps, making it a cornerstone of modern e-commerce growth strategies.
What Is Klaviyo and What Does It Do?
Klaviyo, founded in 2012 by Ed Hallen and Andrew Bialecki, is a Boston-based (United States) marketing technology and e-commerce enablement platform.
Klaviyo employs 1,454 people and provides AI-powered email and SMS marketing software that allows e-commerce brands to automate personalized campaigns, track customer behavior, build unified customer profiles, and optimize user engagement across channels.
Klaviyo’s platform is built for data-driven growth, helping businesses deliver targeted messaging and unlock scalable revenue opportunities.
How Much Funding Has Klaviyo Raised?
- Series D (Round 2)
• Amount Raised: $100M
• Date: July 2022
• Lead Investors: Shopify
• Motivation: To deepen product integrations, support accelerated hiring, and expand enterprise capabilities. - Series D (Round 1)
• Amount Raised: $320M
• Date: May 2021
• Lead Investors: Sands Capital, Morgan Stanley, ClearBridge, Lone Pine Capital, Whale Rock, Glynn Capital, Accel, Owl Rock, Summit Partners, Keith Block
• Motivation: To scale global operations, strengthen AI-driven marketing automation, and expand partner ecosystems. - Series C
• Amount Raised: $200M
• Date: November 2020
• Lead Investors: Accel, Summit Partners
• Motivation: To accelerate revenue growth, enhance product innovation, and enter new international markets.
Total Funding Raised: $778 Million
Current Valuation: $4.15 Billion
Latest Funding Date: July 2022
Key Investors
- Accel
• Details: A global VC firm investing in category-defining technology companies.
• Investment Focus Areas: SaaS, e-commerce tech, cloud platforms.
• Notable Investments: Klaviyo, Slack, Atlassian, Miro. - Shopify
• Details: Leading global e-commerce platform and Klaviyo’s strategic partner & investor.
• Investment Focus Areas: E-commerce infrastructure, marketing tech, fintech.
• Notable Investments: Klaviyo, Affirm, Stripe. - Summit Partners
• Details: Growth equity firm backing scalable technology businesses.
• Investment Focus Areas: SaaS, fintech, consumer tech.
• Notable Investments: Klaviyo, Podium, Brooklinen. - ClearBridge Investments
• Details: Global asset manager investing in high-growth public and private tech companies.
• Investment Focus Areas: Cloud software, AI, enterprise tech.
• Notable Investments: Klaviyo, Snowflake, ServiceNow.
Where Is Klaviyo’s Headquarters?
Klaviyo is headquartered in Boston, Massachusetts, a fast-growing hub for software innovation, analytics talent, and enterprise SaaS. Its location strengthens collaboration with top universities, tech ecosystems, and e-commerce partners, fueling rapid product advancement.
What’s Next for Klaviyo?
Klaviyo aims to expand its AI-driven marketing automation suite, deepen Shopify and enterprise integrations, and enhance first-party data tools for privacy-first marketing. With strong revenue growth and public-market backing, the company is investing heavily in predictive analytics, personalization engines, and global expansion to remain a category leader in e-commerce marketing technology.
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