Get Started Free
Home›Software›Klaviyo
Klaviyo logo
Klaviyo
Software

Klaviyo Company Overview

Klaviyo logo

Klaviyo

● Active
Software · Boston, MA · Est. 2012
MarTechEmail MarketingSaaSE-commerceCDP↗ Website
$8.2B
Valuation
$1.2B
Revenue
2k+
Employees
2012
Founded

Klaviyo is a marketing automation platform purpose-built for e-commerce, enabling brands to deliver personalized email and SMS campaigns powered by customer data. It serves over 143,000 businesses worldwide, primarily Shopify and DTC brands, helping them drive revenue through owned marketing channels.

Recent Press
5 items
Press Release·2026-03-05
Klaviyo Expands AI Agents to Power the Autonomous B2C CRM
Klaviyo released new retail skills for its Customer Agent platform, including order tracking, returns and exchanges, subscription editing, and loyalty lookup, enabling brands to automate complex customer interactions across the full post-purchase journey.
Press Release·2026-02-10
Klaviyo Delivers Outstanding 2025 Results: 32% Revenue Growth and Record Fourth Quarter; Raises Fiscal Year 2026 Outlook
Klaviyo reported fiscal 2025 revenue of $1.234 billion, up 32% year-over-year, with fourth-quarter revenue of $350.2 million. International revenue outside the Americas grew 42% year-over-year, supported by regional investments in Dublin and Singapore.
Press Release·2025-12-01
Klaviyo Appoints Chano Fernández as co-CEO Alongside Co-Founder Andrew Bialecki
Klaviyo appointed Chano Fernández, former co-CEO of Workday, as co-CEO effective January 1, 2026. Fernández joins co-founder and co-CEO Andrew Bialecki to lead Klaviyo's next phase of global enterprise growth and platform expansion.
Press Release·2025-11-06
Klaviyo Delivers Outstanding Third Quarter with 32% Revenue Growth; Raises Full-Year Guidance
Klaviyo reported third-quarter 2025 revenue of $311 million, growing 32% year-over-year, and raised its full-year 2025 revenue guidance. The company also launched K:Service into general availability, delivering AI-powered customer service capabilities to its platform.
Product Launch·2025-06-10
Klaviyo Advances AI-First B2C CRM with Launch of Marketing Agent and Customer Agent
Klaviyo announced the launch of Marketing Agent and Customer Agent, two autonomous AI products designed to help brands run personalized, cross-channel campaigns and respond to individual customer needs in real time without manual intervention.
Company History
8 milestones
Andrew Bialecki and Ed Hallen founded Klaviyo in Boston, building an email marketing platform specifically designed to leverage e-commerce data from platforms like Magento and later Shopify — a differentiated approach versus generic email tools like Mailchimp.

Klaviyo Organization Structure & Team

Org Chart
2,400 employees · Click a leader to explore their team
2,335 across 12 departments
Chief Executive Officer
Andrew Bialecki
Amanda Whalen — Departments
· 2335 people across 12 depts

Klaviyo Financials, Revenue & Market Share

Annual Revenue
$1.2B
+34% vs prior year
YoY Growth
+34%
From $290M to $1.2B
Revenue / Employee
$390K
Annual revenue per full-time employee
Revenue Growth
2021
2022
2023
2024
2025
$290M
$473M
$699M
$937M
$1.2B
Market Share
E-commerce Email & SMS Marketing Automation
28%
share
Klaviyo
28%
Mailchimp
22%
Braze
14%
ActiveCampaign
12%
Others
24%
$58B
TAM
$18B
SAM
$937M
SOM
Revenue Streams
Email Marketing62%
SMS Marketing28%
CDP & Add-ons10%
Business Units
Self-Serve (SMB)55%
Subscription revenue from small and mid-sized e-commerce brands onboarding via the Klaviyo website with no sales touch, primarily on Shopify and WooCommerce.
Mid-Market & Enterprise45%
Managed account revenue from larger e-commerce brands onboarded through Klaviyo's direct sales team, including multi-brand retailers and large DTC companies.

Klaviyo Internal Tools & Processes

Internal Tools
12 departments
Engineering650 people · 3 roles
Standards & Certifications
10 standards
Compliance frameworks, security audits, and quality certifications this company maintains.
Security
SOC 2 Type II
Certified
Klaviyo maintains SOC 2 Type II certification covering its email and SMS marketing platform, ensuring the security, availability, and confidentiality controls protecting 143,000+ customers' marketing data and subscriber lists are independently audited annually.
Privacy
GDPR
Compliant
Klaviyo's platform supports GDPR compliance for European e-commerce brands, providing consent management, data subject request tools, and Data Processing Agreements to enable lawful processing of EU subscriber email and SMS data.
Privacy
CCPA
Compliant
Klaviyo's platform enables California Consumer Privacy Act compliance for its US e-commerce customers, offering opt-out mechanisms, consent tracking, and data deletion workflows for California resident subscriber data managed through Klaviyo.
Regulatory
CAN-SPAM
Compliant
Klaviyo enforces CAN-SPAM Act compliance across all email campaigns sent through its platform, automatically including unsubscribe links, honoring opt-out requests within 10 business days, and monitoring sender reputation to protect customer deliverability.
Regulatory
TCPA
Compliant
Klaviyo's SMS platform is designed for Telephone Consumer Protection Act compliance, requiring explicit prior written consent for marketing texts, providing double opt-in flows, and maintaining STOP keyword opt-out processing for all Klaviyo SMS customers.
Security
ISO 27001
Certified
Klaviyo holds ISO 27001 certification for its information security management system, demonstrating that its controls for protecting customer data — including email subscriber lists, behavioral data, and purchase history — meet international security standards.
Security
PCI DSS
Compliant
Klaviyo maintains PCI DSS compliance for its integrations with Shopify and other e-commerce platforms, ensuring that payment card data referenced in purchase event triggers is handled securely and never stored in Klaviyo's marketing data layer.
Regulatory
CASL
Compliant
Klaviyo supports Canadian Anti-Spam Legislation compliance for its Canadian e-commerce customers, enabling express and implied consent tracking, managing unsubscribe obligations, and providing CASL-required sender identification fields in all marketing emails.
Privacy
ISO 27018
Certified
Klaviyo adheres to ISO 27018, ensuring that personally identifiable information processed in its cloud-based email and SMS marketing platform is handled with strict privacy controls protecting sender and subscriber data.
Accessibility
WCAG 2.1 AA
Compliant
Klaviyo's marketing platform and customer-facing dashboards conform to WCAG 2.1 AA accessibility guidelines, ensuring that marketers of all abilities can build, analyze, and optimize campaigns without barriers.

Klaviyo Interview Preparation

Interview Prep
Role-specific interview questions and keywords. Select a department, then click any role to prepare.
Engineering· 3 roles

Klaviyo Products & Competitors

Product Suite
5 products · select one to explore
Software
Marketing Automation
Klaviyo Email
Turn customer data into email revenue

Klaviyo Email is a behavior-based email marketing platform that uses real-time e-commerce data — purchase history, browsing behavior, and predictive analytics — to send personalized campaigns and automated flows. It is used by DTC and Shopify brands to drive repeat purchases and recover abandoned carts.

Use Cases
Building post-purchase email flows that upsell complementary products based on Shopify order historySending abandoned cart recovery sequences with personalized product images and dynamic discountsSegmenting high-LTV customers for VIP loyalty campaigns using Klaviyo predictive analytics
No image
Key Customers
GYM
Gymshark
HUL
Huel
TC
True Classic
Competitive Intelligence
VSMailchimp
THEM

Mailchimp is an email marketing and automation platform owned by Intuit, offering campaign creation, audience management, and basic e-commerce integrations for small businesses and growing brands.

EDGE

Deeper e-commerce data integration with native Shopify sync and revenue attribution

VSBraze
THEM

Braze is an enterprise customer engagement platform that enables real-time, cross-channel messaging including push notifications, email, SMS, and in-app messages for large consumer apps and brands.

EDGE

More accessible pricing and faster onboarding for mid-market e-commerce brands

VSActiveCampaign
THEM

ActiveCampaign is a customer experience automation platform combining email marketing, CRM, and sales automation tools for small and mid-sized businesses.

EDGE

Purpose-built for e-commerce with pre-built Shopify, WooCommerce, and BigCommerce flows

Related Companies

Oracle logo
Oracle
Software
Oracle Corporation is a global technology company that provides cloud infrastructure, database software, and enterprise applications to businesses of all sizes. Its Oracle Cloud Infrastructure (OCI) and suite of cloud applications including Oracle Fusion, NetSuite, and Cerner serve over 430,000 customers in 175 countries.
Workday logo
Workday
Software
Workday is an American cloud-based enterprise software company that provides Human Capital Management (HCM) and Financial Management applications to large enterprises and public sector organizations. Founded in 2005, it serves over 10,500 customers globally including more than 50% of the Fortune 500, enabling unified workforce and financial planning on a single platform.
IBM logo
IBM
Software
IBM (International Business Machines) is an American multinational technology corporation headquartered in Armonk, New York, specializing in hybrid cloud computing, AI, and enterprise software. Following the 2021 spin-off of managed infrastructure services as Kyndryl and the $34B acquisition of Red Hat in 2019, IBM focuses on the IBM watsonx AI platform, IBM Cloud, Red Hat OpenShift, and IBM Z mainframes serving enterprise and government customers across 175 countries.
Box logo
Box
Software
Box is a cloud content management and file sharing platform that enables enterprises to securely store, manage, and collaborate on content from anywhere. Founded in 2005, Box serves over 100,000 organizations including 67% of the Fortune 500, offering AI-powered tools for document management, workflow automation, and secure collaboration.
Asana logo
Asana
Software
Asana is a work management platform that helps teams organize, track, and manage their work across projects, portfolios, and goals in a single connected workspace. Founded by Facebook co-founder Dustin Moskovitz and former Google engineer Justin Rosenstein, Asana serves over 150,000 paying customers including Amazon, Spotify, and Deloitte, offering workflow automation, AI-powered project intelligence, and cross-functional visibility from individual tasks to company-wide OKRs.
Splunk logo
Splunk
Software
Splunk, now a Cisco company, is the leading platform for unified security, observability, and IT operations intelligence. It ingests and indexes machine-generated data at scale, enabling organizations to detect threats, investigate incidents, and monitor infrastructure through powerful search, dashboards, and AI-driven analytics.