Company lists · Data refreshed November 2026

Top 25 Ad a/b testing services worldwide

RevenueBase identified 307 company matches for ad a/b testing services worldwide as of November 2026 and tracks 3,319 professional contacts across them, including 1,380 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ad a/b testing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for ad a/b testing services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
307Companies
3,319Contacts tracked
1,380Verified emails
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The 25 largest ad a/b testing services worldwide

Ranked by team size
Top 25 of 307 company matches for ad a/b testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026201-500288 contacts →

Exact match

“Running an A/B testing program is tricky.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 202651-200247 contacts →

Exact match

“Kameleoon empowers brands to build better products and digital experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“30% conversion lift on your website in 90 days through predictive CRO- Prediction engine scrapes websites to find winning A/B tests from other companies- Full-service team does…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“EchoLogyx started with a simple idea – provide test development and QA support to the Conversion Rate Optimization teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“Narrative combines a proprietary A/B video testing platform with experienced in-house producers to create paid social creative at scale for the world’s leading performance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“GAIN Conversion is the world's leading CRO agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCosta Mesa, CA, United StatesHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“1st & only marketing agency to ever win Glassdoor's #1 Best Place To Work Award (2022) KlientBoost is the performance marketing agency with the most published wins (case studies…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Tailor Every Touchpoint.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew Delhi, IndiaHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“ETML is a partner of choice for brands that are chasing sustainable growth in today’s world of go big or go home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 202611-5076 contacts →

Exact match

“Helping e-commerce companies optimize profits and improve margins by providing a suite of tools to run tailored experiments on prices, discounts, shipping rates, content…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHayward, CA, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“High-Velocity A/B Test Development & CRO Support Agency BrillMark delivers seamless A/B test development, CRO support, and custom web development, integrating with your team to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchClaymont, DE, United StatesHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“Convert Experiences delivers enterprise-grade experimentation - without the baggage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Swayable | Persuasion Intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Established in 2006, Invesp is the 2nd agency to specialize in conversion rate optimization in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“Dragonfly AI is the world’s smartest creative testing platform, powered by a patented biological algorithm that simulates how the human brain responds to visual content.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAustin, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Speero is an experimentation agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“GrowthBook is the leading warehouse-native experimentation, feature flag, and product analytics platform for AI-native product teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Our platform helps performance marketers scale social, display and retail media campaigns.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStockholm, SwedenHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Amanda AI is a fully autonomous advertising platform that creates, tests, and optimizes campaigns across Google, Meta, and Bing-making millions of smart decisions every day, so…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Shoplift is the first A/B testing platform purpose-built for Shopify stores.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew York, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“At Omniconvert, we are the the specialized data-driven solution for experimentation in eCommerce and retail, empowering companies to improve the conversion rate and customer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEgham, United KingdomHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Webtrends Optimize is an unrestricted, full-stack Conversion Rate Optimisation (CRO) solution with an ‘all-inclusive’ model - all tools and features are available to all users.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Creative CX is a specialist Experimentation & UX Consultancy based in Central London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“goprimer.com | Disruptive companies grow faster with conversion-optimized ad creative and landing page testing with Primer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Hackle is an all-in-one AI growth platform that helps businesses accelerate growth through data-driven decisions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 307 ad a/b testing services worldwide

See the full list, filter by size, metro and specialty, and access 1,380 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ad a/b testing services worldwide at a glance

As of Nov 6, 2026
41.6%Verified-email coverage
10.8Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
218
11-50
65
51-200
18
201-500
4
1,001-5,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for ad a/b testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “ad a/b testing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,380 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Ad a/b testing services by location

1 lists · largest first

Every Ad a/b testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “ad a/b testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ad a/b testing services are there worldwide?

RevenueBase identified 307 company matches for ad a/b testing services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

VWO NOW Wingify tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ad a/b testing services?

The United States leads with 77 companies. Every ad a/b testing services list by country and city is linked on this page.

Which city has the most ad a/b testing services?

London leads with 14 company records, followed by San Francisco (12) and New York (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,380 professional contacts with verified work emails tracked across these 307 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.