Company lists · Data refreshed September 2026

Top 25 Conversion optimization software companies worldwide

RevenueBase identified 4,250 conversion optimization software companies worldwide as of September 2026 and tracks 33,929 professional contacts across them, including 11,942 with verified work emails. The United States is the largest market and London the largest hub.

This list covers conversion optimization software companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026. Country and city lists for conversion optimization software companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
4,250Companies
33,929Contacts tracked
11,942Verified emails
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The 25 largest conversion optimization software companies worldwide

Ranked by team size
Top 25 of 4,250 conversion optimization software companies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to conversion optimization software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 27, 20265,001-10,0002,860 contacts →

Indirect evidence

“KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 2026501-1,000948 contacts →

Indirect evidence

“We help companies unlock the power of their products.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 2026201-500510 contacts →

Indirect evidence

“Mixpanel turns data clarity into innovation.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceColorado Springs, CO, United StatesHQ checked Sep 27, 2026501-1,000456 contacts →

Indirect evidence

“Quantum Metric is the customer-centered digital analytics platform for today’s leading organizations.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceDelhi, IndiaHQ checked Sep 27, 2026201-500439 contacts →

Partial evidence

“Wingify is an India based, fast-growing software company that makes globally admired technology products.”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidenceAtlanta, GA, United StatesHQ checked Sep 27, 2026201-500340 contacts →

Strong evidence

“We are a trusted growth marketing agency that brings together scarce skills in the area of CRO (conversion rate optimization), Paid Media (Search, Performance, Video, Audio…”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceParis, FranceHQ checked Sep 27, 2026201-500334 contacts →

Partial evidence

“At AB Tasty, we’re your partner for pushing great ideas even further through optimization.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceNew Delhi, IndiaHQ checked Sep 27, 2026201-500306 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 27, 2026201-500284 contacts →

Indirect evidence

“Marin was acquired by Trilogy / ESW Capital in 2025.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceNoida, IndiaHQ checked Sep 27, 2026501-1,000259 contacts →

Indirect evidence

“AdsRole is a results-driven digital marketing company that helps businesses grow through smart advertising and proven growth strategies.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceCorreggio, ItalyHQ checked Sep 27, 2026201-500248 contacts →

Indirect evidence

“We are a performance-focused digital agency committed to efficiently and transparently driving real growth for major international businesses in an innovative environment, with a…”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 27, 2026201-500242 contacts →

Indirect evidence

“ClickDealer, is a Global Performance Marketing Company, centered on developing solutions to fulfill marketing goals across the industry.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceParis, FranceHQ checked Sep 27, 202651-200230 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceSanta Monica, CA, United StatesHQ checked Sep 27, 2026201-500204 contacts →

Indirect evidence

“Connexity, a Taboola company is a performance-marketing technology company whose core purpose is to help online retailers find new customers and drive sales at a cost that meets…”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 2026501-1,000199 contacts →

Indirect evidence

“ISG is a dynamic, performance-propelled marketing partner to some of the world’s biggest brands, obsessed with performance and maximizing ROI.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceGurugram, IndiaHQ checked Sep 27, 202651-200198 contacts →

Indirect evidence

“AdYogi is a performance marketing agency that drives profitable growth for eCommerce businesses of any size.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceKolkata, IndiaHQ checked Sep 27, 2026201-500187 contacts →

Indirect evidence

“TechShu is a work-first performance marketing agency in India, helping enterprises and high-growth brands drive measurable revenue through data-led digital marketing.”

Source: RevenueBase Database · checked Sep 27, 2026
18Strong evidenceLondon, United KingdomHQ checked Sep 27, 202651-200185 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceMerignac, FranceHQ checked Sep 27, 2026201-500181 contacts →

Indirect evidence

“One of the world’s major players in digital intelligence since 1996, AT Internet helps companies measure their audience and optimise their digital performance across all channels.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceAtlanta, GA, United StatesHQ checked Sep 27, 2026201-500180 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceWilmington, DE, United StatesHQ checked Sep 27, 202651-200175 contacts →

Indirect evidence

“SplitMetrics is an ecosystem of products and services gathered under the same roof of the SplitMetrics brand: SplitMetrics Acquire (formerly SearchAdsHQ), and SplitMetrics…”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceSan Francisco, United StatesHQ checked Sep 27, 202651-200170 contacts →

Indirect evidence

“At PostHog, we're working to increase the number of successful products in the world.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceBoston, United StatesHQ checked Sep 27, 2026201-500166 contacts →

Indirect evidence

“We’re here to make ecommerce clearer.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceTel Aviv, IsraelHQ checked Sep 27, 202651-200166 contacts →

Indirect evidence

“We are a data-driven performance marketing company, located in the heart of Tel Aviv.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceBengaluru, IndiaHQ checked Sep 27, 202651-200163 contacts →

Indirect evidence

“Convertcart helps online businesses deliver outstanding experiences to customers throughout their journey-build lasting relations with them-and drive more revenue.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 4,250 conversion optimization software companies worldwide

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Conversion optimization software companies worldwide at a glance

As of Sep 27, 2026
35.2%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
3,004
11-50
1,001
51-200
178
201-500
38
501-1,000
7
1,001-5,000
8
5,001-10,000
3
10001+
2

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among conversion optimization software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for conversion optimization software companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “conversion optimization software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names conversion optimization software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among conversion optimization software companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 11,942 across the full list. 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 September 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Conversion optimization software companies by location

30 lists · largest first

Every Conversion optimization software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names conversion optimization software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many conversion optimization software companies are there worldwide?

RevenueBase identified 4,250 conversion optimization software companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kinesso, headquartered in New York, tops this list with the largest team on record.

Which country has the most conversion optimization software companies?

The United States leads with 838 companies, followed by the United Kingdom (304) and India (230). Every conversion optimization software companies list by country and city is linked on this page.

Which city has the most conversion optimization software companies?

London leads with 129 headquartered companies, followed by New York (61) and Paris (48).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 11,942 verified decision-maker contacts tracked across these 4,250 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 Smart Search, 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.