50 Best A/B Testing Companies to Watch in 2026

The most prominent a/b testing companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 112 companies tracked on Fsome.

112
Total Companies
$888.4M
Total Funding
$7.9M
Avg Funding
San Francisco
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
AB Tasty
AB Tasty offers AI-driven experimentation, personalization, and product optimiza…
Paris 251 - 500 $65.7M Series C 2020-07-22
2
Adaptive ML
Adaptive ML is a technology firm that develops an LLM platform to help companies…
Paris 11 - 50 $20.0M Series A 2024-03-11
3
Eppo
Eppo provides an AB experimentation and feature management platform to make test…
San Francisco 51 - 100 $47.5M Series B 2024-08-20
4
OfferFit
OfferFit is an AI-powered experimentation platform that automates decision-makin…
Boston 51 - 100 $39.0M Series B 2023-11-14
5
GrowthBook
GrowthBook is an open source feature flagging and experimentation platform
Anaheim 11 - 50 $23.1M Series A 2025-07-01
6
Dynamic Yield
Dynamic Yield helps companies quickly deliver and test personalized, optimized, …
New York 501 - 1K $105.2M Series D 2018-11-02
7
Distributional
Distributional offers a tech platform for enterprise AI testing and evaluation t…
Berkeley 11 - 50 $30.0M Series A 2024-10-08
8
Loops
Loops is a no-code analytics platform that provides product and data teams with …
Tel Aviv 11 - 50 $13.7M Seed 2022-11-15
9
Fibr
Fibr is an AI-powered personalization platform that helps brands improve convers…
Dover 11 - 50 $9.5M Seed 2026-02-04
10
Nudge
Personalization & experimentation platform for consumer companies
San Francisco 1 - 10 $500K Pre Seed 2024-06-21
11
Apptimize
Apptimize lets mobile teams increase revenue and engagement by iterating faster …
San Francisco 11 - 50 $18.6M Series Unknown 2018-10-18
12
HeadsUp
HeadsUp is a score leads and accounts. No Code nor SQL required.
Vienna 11 - 50 $8.5M Seed 2022-09-28
13
Feedback Loop
Feedback Loop is a product research platform that provides concept testings serv…
New York 51 - 100 $28.6M Series A 2021-02-01
14
MarketDial
MarketDial offers a platform that supports comprehensive testing of business ini…
Salt Lake City 51 - 100 $9.6M Series A 2022-03-01
15
RankScience
SEO Split Testing Platform & Services for Data Driven Companies
San Francisco 11 - 50 $1.9M Seed 2018-10-08
16
Omniconvert
Omniconvert helps retailers to become customer-centric by helping them understan…
Bucharest 11 - 50 $1.1M Series A 2016-03-01
17
Evergage
Evergage provides a platform that helps digital marketers increase engagement an…
Somerville 51 - 100 $26.2M Series C 2017-08-09
18
Airship
Airship has everything you need to get mobile-first customer experience right.
Portland 251 - 500 $100.9M Series F 2018-06-20
19
Ptmind
Ptmind develops user-friendly software platforms for data analytics, data visual…
Haidian 101 - 250 $26.0M Series B 2017-06-01
20
Split Software
Split Software is a feature delivery platform that powers engineering teams to b…
Redwood City 101 - 250 $109.8M Series D 2021-08-17
21
Finnrick Analytics
Finnrick Analytics provides a crowd-sourced testing platform bringing transparen…
Austin 1 - 10 $75K Pre Seed 2025-06-17
22
Rockty
Rockty is a comprehensive platform designed for entrepreneurs and creators to se…
Valinhos 11 - 50 $250K Series A 2024-07-05
23
Stibee
Stibee is an internet marketing service company that offers content monetization…
Netherlands 11 - 50 $288K Seed 2020-06-03
24
Purcell
Simplified supply chains for retailers
Capitola 1 - 10 $2.5M Seed 2020-11-01
25
Kissmetrics
Kissmetrics offers behavioral analytics and segmentation across both website and…
San Francisco 11 - 50 $16.4M Series B 2015-06-05
26
Stickybeak
Stickybeak is an education industry company that offers market research and insi…
Auckland 1 - 10 $1.9M Seed 2024-09-20
27
Emereg
Emereg is an AI powered testing platform that helps in automated testing and deb…
Singapore 1 - 10 $125K Pre Seed 2023-12-14
28
Gleef
Gleef is an AI-powered SaaS for B2B that enhances and standardizes copywriting i…
Paris 1 - 10 $178K Pre Seed 2024-05-09
29
Zarget
Zarget is a SaaS-based conversion rate optimization company that provides compre…
Walnut 11 - 50 $7.5M Series A 2016-11-02
30
Howuku
Howuku is a set of UX testing tool to helps you visually understand visitors can…
Kuala Lumpur 1 - 10 $60K Pre Seed 2022-03-02
31
CustomFit.ai
CustomFit.ai transforms your website/app into #1 Growth Engine / #1 Salesperson …
Bangalore 1 - 10 $269K Series A 2020-09-11
32
Vimta Labs
Vimta Labs is a market leader in contract testing and analytical R&D services.
Hyderabad 1K - 5K $494K Grant 2024-03-02
33
STRARTS
STRARTS provides a wide range of web service production and offers strategic pla…
Tokyo 1 - 10 $241K Series Unknown 2020-11-18
34
Binaize
Binaize is an AI based realtime conversion intelligence product for small and me…
Austin 1 - 10 $120K Pre Seed 2019-12-02
35
Traffic Roots
Traffic Roots is a cannabis marketing platform that helps businesses and brands.
San Diego 11 - 50 $250K Series A 2020-10-26
36
SplitMetrics
SplitMetrics, an Apple Search Ads Partner, is a global software company offering…
Wilmington 101 - 250 Seed 2018-09-21
37
Flagsmith
Flagsmith lets you manage feature flags and remote config across web, mobile and…
London, United Kingdom 1 - 10 Undisclosed 2020-09-24
38
Twin Prime
Twin Prime, a company that came out of stealth this week
Redwood City, United States 11 - 50 $9.5M Series A 2015-03-18
39
ABConvert
ABConvert is an A/B testing tool that easily performs real-time testing of prici…
New York, United States 1 - 10 Non Equity Assistance 2024-06-12
40
ODOSCOPE
ODOSCOPE is a Customer Engagement Platform that provides real-time personalizati…
K├╢ln 11 - 50 Series Unknown 2018-08-05
41
Vessel
Vessel is a WYSIWIG platform that enables product managers and marketers to buil…
San Francisco 1 - 10 $100K Seed 2014-08-01
42
Kefta (Acquired by Acxiom)
Marketing Automation Solutions
San Francisco 11 - 50 Series C 2003-06-17
43
Kibotu
Autonomous hyper-personal player engagement.
Tel Aviv 1 - 10 Pre Seed 2023-09-30
44
Microbridge Testing
Microbridge Testing is a professional provider of industrial automated test equi…
Nanjing Series A 2025-08-21
45
Radview Software
RadView Software develops load testing tool and performance monitoring for web a…
Bridgewater 51 - 100 $11.5M Post Ipo Equity 2006-08-22
46
ZoomTilt
ZoomTilt is a video production company that offers content and analytics with pr…
Cambridge 1 - 10 $88K Seed 2013-02-28
47
DIVOLUTION
DIVOLUTION is a German company that offers testing and targeting technology.
Detmold 51 - 100 Series Unknown 2008-01-17