Company lists · Data refreshed September 2026

Top 25 User experience optimization firms worldwide

Name: User experience optimization firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 9,996 companies tracked

RevenueBase identified 9,996 company matches for user experience optimization firms worldwide as of September 2026 and tracks 51,073 professional contacts across them, including 10,301 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for user experience optimization firms 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 September 22, 2026. Country and city lists for user experience optimization firms 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 Sep 22, 2026 How this list was built

9,996Companies

51,073Contacts tracked

10,301Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest user experience optimization firms worldwide

Ranked by team size

Top 25 of 9,996 company matches for user experience optimization firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Grupo Services	Exact match	Curitiba - Matriz / São Paulo - Filial / Ponta Grossa - Filial, BrazilHQ recorded Sep 22, 2026	10001+	2,065 contacts →
	Exact match “Projetamos, entregamos e otimizamos experiências humanas inesquecíveis para o mundo digital atual.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	IBM IX Dach	Exact match	Berlin, GermanyHQ recorded Sep 22, 2026	501-1,000	819 contacts →
	Exact match “We are IBM iX.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	SOHO	Exact match	Santiago, United StatesHQ recorded Sep 22, 2026	201-500	449 contacts →
	Exact match “Somos una empresa que desde 1996 estamos innovando y asesorando a grandes compañías, tenemos +550 clientes en 15 países,+1.400 proyectos desarrollados y hemos sido speakers en 180…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Wingify	Exact match	Delhi, IndiaHQ recorded Sep 22, 2026	201-500	439 contacts →
	Exact match “Wingify is an India based, fast-growing software company that makes globally admired technology products.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	AB Tasty	Exact match	Paris, FranceHQ recorded Sep 22, 2026	201-500	334 contacts →
	Exact match “At AB Tasty, we’re your partner for pushing great ideas even further through optimization.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Saggezza, An Apexon Company	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 22, 2026	501-1,000	273 contacts →
	Exact match “Saggezza is now part of Apexon.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Flat 101	Exact match	Madrid, SpainHQ recorded Sep 22, 2026	201-500	245 contacts →
	Exact match “Somos referentes internacionales en diseño, creación y optimización de productos y servicios digitales.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Kameleoon	Exact match	Paris, FranceHQ recorded Sep 22, 2026	51-200	230 contacts →
	Exact match “Kameleoon empowers brands to build better products and digital experiences.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Rayden Interactive	Exact match	Pune, IndiaHQ recorded Sep 22, 2026	501-1,000	204 contacts →
	Exact match “Rayden Interactive, the brainchild of an entrepreneurial duo, was founded in 2019.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Human Factors International HFI	Exact match	Fairfield, IA, United StatesHQ recorded Sep 22, 2026	201-500	199 contacts →
	Exact match “Welcome to Human Factors International, leaders of experience-led business transformations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	YUJ A Global Design Company	Exact match	Pune-38, IndiaHQ recorded Sep 22, 2026	201-500	185 contacts →
	Exact match “About Us: We are a global UX Design Company with offices in the USA and India, committed to infusing innovation and creativity into every design we craft.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Nielsen Norman Group	Exact match	Silicon Valley, CA, United StatesHQ recorded Sep 22, 2026	n/a	170 contacts →
	Exact match “Evidence-Based User Experience (UX) Research, Training, and Consulting: Nielsen Norman Group is headquartered in Silicon Valley, with members in 17 additional locations throughout…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Integrity	Exact match	Saint Louis, MO, United StatesHQ recorded Sep 22, 2026	51-200	164 contacts →
	Exact match “Integrity crafts compelling user experiences for startups and enterprise clients across iPhone, iPad, Android and the web.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Brandstory Digital	Exact match	Bengaluru, IndiaHQ recorded Sep 22, 2026	51-200	163 contacts →
	Exact match “BrandStory is a Digital Agency offering UI/UX and Design-led technology as a service.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Think Design Collaborative	Exact match	Bengaluru, IndiaHQ recorded Sep 22, 2026	51-200	163 contacts →
	Exact match “We work with visionary organizations and transform the way we live, work, and interact.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Aubergine Solutions	Exact match	Sunnyvale, United StatesHQ recorded Sep 22, 2026	51-200	153 contacts →
	Exact match “AI is changing how products are built.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Crafton	Exact match	Poznań, PolandHQ recorded Sep 22, 2026	51-200	145 contacts →
	Exact match “Crafton to agencja webowa zorientowana na UX/UI Design.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Teknision	Exact match	CanadaHQ recorded Sep 22, 2026	11-50	142 contacts →
	Exact match “Teknision is a leading user interface design company serving the consumer electronics industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	UI	Exact match	IsraelHQ recorded Sep 22, 2026	51-200	137 contacts →
	Exact match “We’re a team of UX specialists, designers and developers, working closely with companies to plan, design and build amazing products on the internet (and beyond).” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	User Experience Researchers PTE LTD Singapore	Exact match	SingaporeHQ recorded Sep 22, 2026	201-500	135 contacts →
	Exact match “At the heart of innovation is our company's focus - you.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	LEVEL	Exact match	San Jose, CA, United StatesHQ recorded Sep 22, 2026	51-200	129 contacts →
	Exact match “We imagine tomorrow’s interaction.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Userlytics	Exact match	Miami, FL, United StatesHQ recorded Sep 22, 2026	51-200	128 contacts →
	Exact match “Established in San Francisco in 2009, with offices in Miami, Florida and Madrid, Spain, Userlytics is a state of the art global platform for remote user experience (UX) and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Nextbrain	Exact match	Franklin, TN, United StatesHQ recorded Sep 22, 2026	51-200	118 contacts →
	Exact match “Nextbrain is famous to build the user's interactive UX Design, Web application, Mobile application and Digital marketing services to customers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Conversion	Exact match	London, United KingdomHQ recorded Sep 22, 2026	51-200	112 contacts →
	Exact match “GAIN Conversion is the world's leading CRO agency.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Uxbert Labs	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 22, 2026	11-50	112 contacts →
	Exact match “We believe the Experience Matters.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “user experience optimization firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 9,996 user experience optimization firms worldwide

See the full list, filter by size, metro and specialty, and access 10,301 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

User experience optimization firms worldwide at a glance

As of Sep 22, 2026

20.2%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

8,013

11-50

1,686

51-200

234

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 user experience optimization firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “user experience optimization firms” 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 10,301 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 September 22, 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.

User experience optimization firms by location

52 lists · largest first

Every User experience optimization firms 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 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 “user experience optimization firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many user experience optimization firms are there worldwide?

RevenueBase identified 9,996 company matches for user experience optimization firms worldwide as of September 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?

Grupo Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most user experience optimization firms?

The United States leads with 1,708 companies, followed by India (899) and the United Kingdom (547). Every user experience optimization firms list by country and city is linked on this page.

Which city has the most user experience optimization firms?

London leads with 230 company records, followed by New York (116) and Toronto (103).

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 10,301 professional contacts with verified work emails tracked across these 9,996 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 September 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 9,996 user experience optimization firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.