Company lists · Data refreshed November 2026

Top 25 System usability services worldwide

RevenueBase identified 1,137 company matches for system usability services worldwide as of November 2026 and tracks 7,632 professional contacts across them, including 2,514 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for system usability 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 system usability 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
1,137Companies
7,632Contacts tracked
2,514Verified emails
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The 25 largest system usability services worldwide

Ranked by team size
Top 25 of 1,137 company matches for system usability 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 matchSan Francisco, United StatesHQ recorded Nov 6, 2026501-1,0001,087 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMilan, ItalyHQ recorded Nov 6, 202651-200182 contacts →

Exact match

“UNGUESS is a cutting-edge crowdsourcing platform that offers quick, effective tests and real insights whenever you need them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSilicon Valley, CA, United StatesHQ recorded Nov 6, 2026n/a178 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSaint-jérôme, QC, CanadaHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Huwiz Solutions is a group of Game Industry veterans sharing expansive experience in Quality Assurance and Project Management aiming to add value to the design and production of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMannheim, GermanyHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Das Spiegel Institut - 1950 als erstes marktpsychologisches Institut in Deutschland gegründet - ist heute von seinen Standorten in Mannheim, Ingolstadt, Stuttgart, Hamburg…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“Userfeel is an AI-powered continuous usability testing platform that turns real human behavior into actionable product decisions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-200132 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 202611-50119 contacts →

Exact match

“We believe the Experience Matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCheltenham, United KingdomHQ recorded Nov 6, 202611-50100 contacts →

Exact match

“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDowners Grove, IL, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Bold Insight: Empowering exceptional experiences We're creative, flexible, and research-minded.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 2026201-50084 contacts →

Exact match

“The Ramp Group provides solutions that incorporate a user-centered design approach into a holistic product development process.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCary, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Bring your product's goodness to life; with UX team that works and converts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“We help you - Articulate Product Requirements - Discover Customer Insights - Define Awesome Experiences - Engineer Loveable Products Founded in 2010, PeepalDesign brings deep…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLudwigsburg, GermanyHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“As a UX pioneer and Germany's best-known UX agency, we design modern user interfaces for your digital product worlds of tomorrow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-50062 contacts →

Exact match

“Appmatics basiert auf der Vision, digitale Produkte zu verbessern und einen neuen Maßstab in der QA zu setzen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchShah Alam, MalaysiaHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Award winning UX (User Experience) testing & research consulting firm in Asia, aspires to improve user experience of the world by empowering everyone to build user-centric…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Userspots helps to know your web site users, find the problems what they live with your products, create user-friendly interfaces, improve the user experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Empower your digital team with instant access to industry-specific UX insights.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Pioneiros em UX design e pesquisa Abrimos nossas portas há 22 anos e desde então a Try tem ajudado empresas líderes do mundo todo a moldar seus produtos e canais digitais para…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“Welcome to Design Studio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPhiladelphia, IL, United StatesHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“We are a research and user-interface-design company with one mission-fitting products to people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAstana, KazakhstanHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“https://usabilitylab.ru | https://usabilitylab.kz UsabilityLab is a worldwide company having one of the best expertise in UX/UI/CX.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Key Lime Interactive is a Customer Experience and User Experience research, strategy, and full-service agency focused on helping companies take a human-first approach to building…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“ZEUX Innovation, an ascending, innovating and a firm full of passionate and talented UX designers and practitioner has carved its niche in the UX sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOlympia, WA, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Anthro-Tech is a human-centered design and research consultancy with over 25 years of experience helping organizations create customer experiences that support their mission and…”

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

Showing 25 of 1,137 system usability services worldwide

See the full list, filter by size, metro and specialty, and access 2,514 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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System usability services worldwide at a glance

As of Nov 6, 2026
32.9%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
895
11-50
208
51-200
20
201-500
4
501-1,000
2
1,001-5,000
2
10001+
2

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 system usability services are linked below.
What qualifies
Company records worldwide whose business descriptions match “system usability 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 2,514 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.

System usability services by location

7 lists · largest first

Every System usability services 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 “system usability services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many system usability services are there worldwide?

RevenueBase identified 1,137 company matches for system usability 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?

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

Which country has the most system usability services?

The United States leads with 249 companies, followed by the United Kingdom (80) and Germany (63). Every system usability services list by country and city is linked on this page.

Which city has the most system usability services?

London leads with 38 company records, followed by Austin (13) and Seattle (12).

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 2,514 professional contacts with verified work emails tracked across these 1,137 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.