When was Klaviyo founded?

Klaviyo was founded in 2012 and raised its 1st funding round 3 years after it was founded.

Where is Klaviyo located?

Klaviyo is headquartered in Boston, United States. It is registered at Boston, Massachusetts.

Who is the current CEO of Klaviyo?

Andrew Bialecki of Klaviyo. They have also founded 1 company and are angel investors in 5 startups, including Sparling Financial.

How many employees does Klaviyo have?

As of Sep 30, 2026, the latest employee count at Klaviyo is 3008.

Is Klaviyo a funded company?

Klaviyo is a funded company, having raised a total of $778M across 6 funding rounds to date. The company's 1st funding round was a $1.5M Seed round, raised on Aug 26, 2015.

When was the latest funding round of Klaviyo?

Klaviyo's latest funding was a $100M Series D round on Jul 01, 2022, with participation from 1 investor.

Is Klaviyo a MarketingTech company?

The primary sectors of Klaviyo are MarketingTech, E-Commerce Enablers and Brands Tech.

Where does Klaviyo rank among its competitors?

Klaviyo ranks 1st amongst 1497 active competitors, of which 239 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was Nitro Commerce, which secured ₹49.4Cr in Aug, 2025.

Who are the top competitors of Klaviyo?

Klaviyo's top competitors include Riskified, Blueshift and Rokt Technologies. Among them, Nitro Commerce secured the most recent funding round in August, 2025.

Klaviyo - 2026 Company Profile, Team, Funding & Competitors

Klaviyo is a public company based in Boston (United States), founded in 2012 by Ed Hallen and Andrew Bialecki. It operates as a SaaS-based e-mail marketing software solutions for e-commerce businesses. Klaviyo has raised $778M in funding from investors like Accel, Shopify and Summit Partners. The company has 1497 active competitors, including 239 funded and 174 that have exited. Its top competitors include companies like Riskified, Blueshift and Rokt Technologies.

Sectors and market segments that Klaviyo operate in

Klaviyo serves in the Retail market segments.The primary business model of Klaviyo are:

Company Details

SaaS-based e-mail marketing software solutions for e-commerce businesses. It provides personalized SMS, newsletters to automated emails abandoned carts, order follow-ups, and more. It allows businesses to create marketing channels from email, SMS, web, and in-app. It tracks customer behavior on websites and makes a profile for personalized targeting for SaaS applications.

Website: www.klaviyo.com/
Social
Email ID: *****@klaviyo.com
Phone Number: +1 **********
Registered Address: Boston, Massachusetts

Key Metrics

Founded Year

2012

Location

Boston, United States

Stage

Public

Total Funding

$778M in 6 rounds

Latest Funding Round

Series D, Jul 01, 2022, $100M

Investors

Accel & 25 more

Ranked

1^st among 1497 active competitors

Employee Count

3,008 as on Sep 30, 2026

Investment & Acquisitions

Agency & 3 more

Similar Companies

Riskified & 1745 more

Exit Details

Public

View Klaviyo's full profile

Klaviyo is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
KLAVIYO, INC. CIN: 460989964 , United States, Active	Dec 31, 2011	-	1723 (As on Dec 31, 2024)	-

Klaviyo got listed on Sep 20, 2023.

Click here to take a look at Klaviyo's IPO in detail

Klaviyo has raised a total funding of $778M over 6 rounds. Its first funding round was on Aug 26, 2015. Its latest funding round was a Series D round on Jul 01, 2022 for $100M. 1 investor participated in its latest round. Klaviyo has 23 institutional investors and 3 angel investors.

Here is the list of recent funding rounds of Klaviyo:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jul 01, 2022	$100M	Series D	$9.5B	-	Shopify	-
May 18, 2021	$320M	Series D	$9.15B	-	Sands Capital	Morgan Stanley, ClearBridge, Lone Pine Capital, Whale Rock Capital Management, Glynn Capital, Accel, Owl Rock, Summit Partners, Keith Block
Nov 17, 2020	$200M	Series C	$4.15B	-	Accel	Summit Partners

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View details of Klaviyo's funding rounds and investors

The founders of Klaviyo are Ed Hallen and Andrew Bialecki. Andrew Bialecki is the CEO of Klaviyo.

Here are the details of Klaviyo's key team members:

Ed Hallen: Co-Founder & CSO of Klaviyo and founder of 2 other companies, Sparling Financial and Team Engine. They are also an angel investor in 8 startups and serve on the board of 1 company.
Contact Info: 1 email address and 1 phone number
Andrew Bialecki: Co-Founder & CEO of Klaviyo and founder of 1 other company. They are also an angel investor in 5 startups.
Contact Info: 1 email address

View details of Klaviyo's Founder profiles and Board Members

Klaviyo's employee count trend

Klaviyo has 3,008 employees as of Sep 26. Here is Klaviyo's employee count trend over the years:

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Top competitors of Klaviyo include Riskified, Blueshift and Rokt Technologies. Here is the list of Top 10 competitors of Klaviyo, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Klaviyo 2012, Boston (United States), Public	SaaS-based e-mail marketing software solutions for e-commerce businesses	$778M	Sprout Capital Partners, Glynn Capital & 24 others	81/100
2nd	Riskified 2013, New York City (United States), Public	AI-based payment fraud prevention solutions for e-commerce solution	$232M	Founder Collective, Genesis Partners & 22 others	74/100
3rd	Blueshift 2014, San Francisco (United States), Acquired	AI-enabled marketing automation platform	$57.6M	Storm Ventures, Nexus Venture Partners & 18 others	73/100
4th	Rokt Technologies 2012, United States, Series E	Personalized marketing tools for e-commerce businesses	$488M	TDM Growth Partners, Moelis & Company & 21 others	73/100
5th	Attentive Mobile 2016, New York (United States), Series E	AI based conversational marketing solutions for ecommerce businesses	$922M	Coatue, IVP & 33 others	72/100
6th	Bango 1999, Cambridge (United Kingdom), Public	Provider of marketing solutions for e-commerce businesses	-	Origin Capital, ET Capital & 5 others	70/100
7th	Magnetic 2008, New York City (United States), Acquired	Search retargeting platform	$47.8M	Edison Partners, CRV & 14 others	70/100
8th	Bluecore 2013, New York City (United States), Acquired	Provider of automated personalized trigger-based email marketing	$263M	Georgian, Norwest & 12 others	69/100
9th	Nitro Commerce 2023, Gurugram (India), Series A	Developer of software tools for managing online commerce business operations	$7.81M	Cornerstone Ventures, Catalyst Trusteeship ... & 36 others	68/100
10th	Monetate 2008, Philadelphia (United States), Acquired	Platform offering end to end personalized solution for businesses	$43.9M	Floodgate, OpenView & 11 others	67/100