Optimizely is a digital experience platform that provides A/B testing, multivariate testing, website personalization, feature toggle capabilities, web content management, and digital commerce solutions. Founded in 2010 by Dan Siroker and Pete Koomen (formerly of Google), Optimizely pioneered the experimentation software category and serves more than 10,000 businesses globally, including Gap, StubHub, IBM, PayPal, H&M, Zoom, Toyota, and Vodafone. In October 2020, Optimizely was acquired by Episerver (a portfolio company of Insight Partners), which was later rebranded as Optimizely in January 2021. The combined entity operates as a comprehensive digital experience platform integrating content management, experimentation, and optimization capabilities.
Optimizely has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2010
Employees
1,600–1,700
Total Funding
$194.2M
5 rounds
Latest Valuation
$0.6B
June 2019
Total raised $194.2M across 5 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series D
Date
June 2019
Amount
$50M
Valuation
$0.6B
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| June 2019 | Series D | $50M | $0.6B | Goldman Sachs |
| October 2015 | Series C | $58M | — | Index Ventures |
| May 2014 | Series B | $57M | — | Andreessen Horowitz |
Dan Siroker
Co-founder
Pete Koomen
Co-founder
Jay Larson
Chief Executive Officer (2017-2020)
Competitor list is illustrative and may be incomplete, stale, or erroneous.
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