Company lists · Data refreshed November 2026
Top 25 Usability testing agencies worldwide
RevenueBase identified 687 company matches for usability testing agencies worldwide as of November 2026 and tracks 6,194 professional contacts across them, including 2,388 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for usability testing agencies 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 usability testing agencies 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.
The 25 largest usability testing agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,087 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 | |||||
| 2 | 200 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 | |||||
| 3 | 182 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 | |||||
| 4 | 164 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 | |||||
| 5 | 162 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 | |||||
| 6 | 142 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 | |||||
| 7 | 141 contacts → | ||||
Exact match “Maze empowers researchers to be change makers, turning research into a center of influence and customer insights into enduring competitive advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 132 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 | |||||
| 9 | 119 contacts → | ||||
Exact match “We believe the Experience Matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 112 contacts → | ||||
Exact match “Accessible Minds Tech is your reliable QA partner for functional and non-functional accessibility testing for a wide range of industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 105 contacts → | ||||
Exact match “Pulse Labs bridges AI and UX to help teams build better products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 100 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 | |||||
| 13 | 92 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 | |||||
| 14 | 88 contacts → | ||||
Exact match “BugFinders is a world wide leading crowdsourced software testing company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 85 contacts → | ||||
Exact match “PLUS QA makes software testing simple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 79 contacts → | ||||
Exact match “TPG Interactive (TPGi) is a world-class accessibility consultancy with a reputation for excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 63 contacts → | ||||
Exact match “At Centercode, we believe creating exceptional products that truly meet customer needs requires a robust and effective user testing program.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 61 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 | |||||
| 19 | 60 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 | |||||
| 20 | 59 contacts → | ||||
Exact match “Great Question is the all-in-one UX research platform trusted by customer-centric teams at Amazon, ServiceNow, Asana, Gusto, Canva, Brex & more.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 58 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 | |||||
| 22 | 49 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 | |||||
| 23 | 47 contacts → | ||||
Exact match “Lyssna is your go-to user research platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 47 contacts → | ||||
Exact match “At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 46 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 | |||||
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 “usability testing agencies”. 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 687 usability testing agencies worldwide
See the full list, filter by size, metro and specialty, and access 2,388 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Usability testing agencies worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 usability testing agencies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “usability testing agencies” 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 2,388 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.
Usability testing agencies by location
4 lists · largest firstEvery Usability testing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Usability testing agencies based in the United States157
- Usability testing agencies based in the United Kingdom52
- Usability testing agencies based in Germany36
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 “usability testing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many usability testing agencies are there worldwide?
RevenueBase identified 687 company matches for usability testing agencies 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 usability testing agencies?
The United States leads with 157 companies, followed by the United Kingdom (52) and Germany (36). Every usability testing agencies list by country and city is linked on this page.
Which city has the most usability testing agencies?
London leads with 27 company records, followed by San Francisco (9) and Stockholm (8).
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 2,388 professional contacts with verified work emails tracked across these 687 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.
Ready to reach these companies? Verified emails and direct dials for all 687 usability testing agencies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 usability testing agencies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 687 matching company records for usability testing agencies worldwide, with 6,194 tracked contacts and 2,388 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 usability testing agencies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Amplitudeamplitude.comHQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 1,087 contacts → |
“We help companies unlock the power of their products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Echologyx LTDechologyx.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 200 contacts → |
“EchoLogyx started with a simple idea – provide test development and QA support to the Conversion Rate Optimization teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Unguessunguess.ioHQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 182 contacts → |
“UNGUESS is a cutting-edge crowdsourcing platform that offers quick, effective tests and real insights whenever you need them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  HUWIZhuwiz.comHQ: Saint-jérôme, QC, CanadaReported employees: 201-500 | Saint-jérôme, QC, Canada | 201-500 | Exact match | 164 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Spiegel Institutspiegel-institut.deHQ: Mannheim, GermanyReported employees: 201-500 | Mannheim, Germany | 201-500 | Exact match | 162 contacts → |
“Das Spiegel Institut - 1950 als erstes marktpsychologisches Institut in Deutschland gegründet - ist heute von seinen Standorten in Mannheim, Ingolstadt, Stuttgart, Hamburg…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Userfeeluserfeel.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 142 contacts → |
“Userfeel is an AI-powered continuous usability testing platform that turns real human behavior into actionable product decisions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MAZEmaze.coHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 141 contacts → |
“Maze empowers researchers to be change makers, turning research into a center of influence and customer insights into enduring competitive advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Userlyticsuserlytics.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 132 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Uxbert Labsuxbert.comHQ: Riyadh, Saudi ArabiaReported employees: 11-50 | Riyadh, Saudi Arabia | 11-50 | Exact match | 119 contacts → |
“We believe the Experience Matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Accessible Mindsaccessiblemindstech.comHQ: Noida, WY, IndiaReported employees: 51-200 | Noida, WY, India | 51-200 | Exact match | 112 contacts → |
“Accessible Minds Tech is your reliable QA partner for functional and non-functional accessibility testing for a wide range of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pulse Labspulselabs.aiHQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 105 contacts → |
“Pulse Labs bridges AI and UX to help teams build better products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Digivante LTDdigivante.comHQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 100 contacts → |
“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bold Insightboldinsight.comHQ: Downers Grove, IL, United StatesReported employees: 51-200 | Downers Grove, IL, United States | 51-200 | Exact match | 92 contacts → |
“Bold Insight: Empowering exceptional experiences We're creative, flexible, and research-minded.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bugfindersbugfinders.comHQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 88 contacts → |
“BugFinders is a world wide leading crowdsourced software testing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Plus QAplusqa.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 85 contacts → |
“PLUS QA makes software testing simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tpgi, A Vispero Companytpgi.comHQ: Clearwater, FL, United StatesReported employees: 51-200 | Clearwater, FL, United States | 51-200 | Exact match | 79 contacts → |
“TPG Interactive (TPGi) is a world-class accessibility consultancy with a reputation for excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Centercodecentercode.comHQ: Mission Viejo, CA, United StatesReported employees: 51-200 | Mission Viejo, CA, United States | 51-200 | Exact match | 63 contacts → |
“At Centercode, we believe creating exceptional products that truly meet customer needs requires a robust and effective user testing program.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Netizen Experiencenetizenexperience.comHQ: Shah Alam, MalaysiaReported employees: 11-50 | Shah Alam, Malaysia | 11-50 | Exact match | 61 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Userspotsuserspots.comHQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 60 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Great Questiongreatquestion.coHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 59 contacts → |
“Great Question is the all-in-one UX research platform trusted by customer-centric teams at Amazon, ServiceNow, Asana, Gusto, Canva, Brex & more.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Baymard Institutebaymard.comHQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 58 contacts → |
“Empower your digital team with instant access to industry-specific UX insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Design Science Group, LLCdscience.comHQ: Philadelphia, IL, United StatesReported employees: 11-50 | Philadelphia, IL, United States | 11-50 | Exact match | 49 contacts → |
“We are a research and user-interface-design company with one mission-fitting products to people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lyssnalyssna.comHQ: Collingwood, CanadaReported employees: 11-50 | Collingwood, Canada | 11-50 | Exact match | 47 contacts → |
“Lyssna is your go-to user research platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kudos Games Serviceskudosqa.comHQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  KEY Lime Interactivekeylimeinteractive.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Usability testing agencies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
684 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 687 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Usability testing agencies by location
4 lists · largest firstEvery Usability testing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Usability testing agencies based in the United States157
- Usability testing agencies based in the United Kingdom52
- Usability testing agencies based in Germany36
Cities
Questions about this company list
What does Exact match mean for usability testing agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many usability testing agencies did RevenueBase find worldwide?
The saved snapshot records 687 matching company records, 6,194 tracked contacts and 2,388 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 usability testing agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/usability-testing-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 usability testing agencies worldwide
RevenueBase records 687 matching company records for usability testing agencies worldwide, with 6,194 tracked contacts and 2,388 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 usability testing agencies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Amplitudeamplitude.com HQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 1,087 contacts → |
“We help companies unlock the power of their products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Echologyx LTDechologyx.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 200 contacts → |
“EchoLogyx started with a simple idea – provide test development and QA support to the Conversion Rate Optimization teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Unguessunguess.io HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 182 contacts → |
“UNGUESS is a cutting-edge crowdsourcing platform that offers quick, effective tests and real insights whenever you need them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HUWIZhuwiz.com HQ: Saint-jérôme, QC, CanadaReported employees: 201-500 | Saint-jérôme, QC, Canada | 201-500 | Exact match | 164 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Spiegel Institutspiegel-institut.de HQ: Mannheim, GermanyReported employees: 201-500 | Mannheim, Germany | 201-500 | Exact match | 162 contacts → |
“Das Spiegel Institut - 1950 als erstes marktpsychologisches Institut in Deutschland gegründet - ist heute von seinen Standorten in Mannheim, Ingolstadt, Stuttgart, Hamburg…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Userfeeluserfeel.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 142 contacts → |
“Userfeel is an AI-powered continuous usability testing platform that turns real human behavior into actionable product decisions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MAZEmaze.co HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 141 contacts → |
“Maze empowers researchers to be change makers, turning research into a center of influence and customer insights into enduring competitive advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Userlyticsuserlytics.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 132 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Uxbert Labsuxbert.com HQ: Riyadh, Saudi ArabiaReported employees: 11-50 | Riyadh, Saudi Arabia | 11-50 | Exact match | 119 contacts → |
“We believe the Experience Matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Accessible Mindsaccessiblemindstech.com HQ: Noida, WY, IndiaReported employees: 51-200 | Noida, WY, India | 51-200 | Exact match | 112 contacts → |
“Accessible Minds Tech is your reliable QA partner for functional and non-functional accessibility testing for a wide range of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pulse Labspulselabs.ai HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 105 contacts → |
“Pulse Labs bridges AI and UX to help teams build better products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Digivante LTDdigivante.com HQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 100 contacts → |
“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bold Insightboldinsight.com HQ: Downers Grove, IL, United StatesReported employees: 51-200 | Downers Grove, IL, United States | 51-200 | Exact match | 92 contacts → |
“Bold Insight: Empowering exceptional experiences We're creative, flexible, and research-minded.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bugfindersbugfinders.com HQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 88 contacts → |
“BugFinders is a world wide leading crowdsourced software testing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Plus QAplusqa.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 85 contacts → |
“PLUS QA makes software testing simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tpgi, A Vispero Companytpgi.com HQ: Clearwater, FL, United StatesReported employees: 51-200 | Clearwater, FL, United States | 51-200 | Exact match | 79 contacts → |
“TPG Interactive (TPGi) is a world-class accessibility consultancy with a reputation for excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Centercodecentercode.com HQ: Mission Viejo, CA, United StatesReported employees: 51-200 | Mission Viejo, CA, United States | 51-200 | Exact match | 63 contacts → |
“At Centercode, we believe creating exceptional products that truly meet customer needs requires a robust and effective user testing program.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Netizen Experiencenetizenexperience.com HQ: Shah Alam, MalaysiaReported employees: 11-50 | Shah Alam, Malaysia | 11-50 | Exact match | 61 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Userspotsuserspots.com HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 60 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Great Questiongreatquestion.co HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 59 contacts → |
“Great Question is the all-in-one UX research platform trusted by customer-centric teams at Amazon, ServiceNow, Asana, Gusto, Canva, Brex & more.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Baymard Institutebaymard.com HQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 58 contacts → |
“Empower your digital team with instant access to industry-specific UX insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Design Science Group, LLCdscience.com HQ: Philadelphia, IL, United StatesReported employees: 11-50 | Philadelphia, IL, United States | 11-50 | Exact match | 49 contacts → |
“We are a research and user-interface-design company with one mission-fitting products to people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lyssnalyssna.com HQ: Collingwood, CanadaReported employees: 11-50 | Collingwood, Canada | 11-50 | Exact match | 47 contacts → |
“Lyssna is your go-to user research platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kudos Games Serviceskudosqa.com HQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | KEY Lime Interactivekeylimeinteractive.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Usability testing agencies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
684 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 687 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Usability testing agencies by location
4 lists · largest firstEvery Usability testing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Usability testing agencies based in the United States157
- Usability testing agencies based in the United Kingdom52
- Usability testing agencies based in Germany36
Cities
Questions about this company list
What does Exact match mean for usability testing agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many usability testing agencies did RevenueBase find worldwide?
The saved snapshot records 687 matching company records, 6,194 tracked contacts and 2,388 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 usability testing agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/usability-testing-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗