Company lists · Data refreshed November 2026
Top 25 Interface design testing firms based in Germany
RevenueBase identified 88 company matches for interface design testing firms associated with Germany as of November 2026 and tracks 956 professional contacts across them, including 395 with verified work emails. Cologne is the largest hub.
This list covers company matches for interface design testing firms associated with Germany, 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.
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 interface design testing firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 178 contacts → | ||||
Exact match “We believe in a world where human needs and expectations are at the heart of creating digital experiences that matter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 64 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 | |||||
| 3 | 62 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 | |||||
| 4 | 30 contacts → | ||||
Exact match “D-LABS unites expertise from usability research, design agencies and software service providers in a single company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 28 contacts → | ||||
Exact match “Digitale Produkte, die echten Mehrwert schaffen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Strategic - Methodical - User-centred points gives your objectives a digital face - one that is sustainable, scalable and to the point.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Since eresult GmbH has been a full-service agency advising well-known companies on all aspects of usability and user experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “Do you want to put your software to the test?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Wir konzipieren, gestalten und entwickeln High-End Interactiondesign für Automotive, Application und Mobile.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “UseTree offers comprehensive services in the areas of project planning, consulting, training, development, design, research, and evaluation related to usability, user experience…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “SKOPOS NOVA is a UX Research agency that focuses on UX Research, Ideation, Design Sprints and Usability Testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Custom Interactions is the Data Driven UX Design company for the German market that supports their customers in designing products with great usability and leading user experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match “usability.de is one of Germany's leading usability consultancies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Technical integration of sophisticated user interfaces CONZE Informatik GmbH is a specialist for user interface engineering and develops in particular graphic user interfaces…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “At Custom Medical, we combine Usability Engineering, User Interface Design, Software Development, and Compliance Documentation to create safe, intuitive, and inspiring medical and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “Mit unserem Team aus Entwicklern verschiedenster Fachbereiche schaffen wir sowohl innovative als auch pragmatische Lösungen für hochkomplexe Systeme in den Bereichen Hardware…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “At USE-Ing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “We are Goldschnitt, a young office for user interface and interaction design based in Heidenheim a.d.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “mindscreen steht für digitale Barrierefreiheit in der Praxis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “We make device easy, safe and fun to use.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “Die WSK Elektronik GmbH bietet ihnen hochpräzise Prüfstände, ganz nach Ihren Anforderungen- Sparen sie Kosten, Zeit und manuellen Aufwand bei ihren Prüfaufgaben - Optimieren sie…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “untrouble is a user experience consulting company” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Agency for human-hearted & business driven design – Dinghy’s diverse team combines usability research, user experience design and digital product strategy to make apps and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Do you have difficulties gaining more clients through your website?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “denk werker bietet Dienstleistungen in den Bereichen- User Centered Design - Usability Testing - Webseiten - Mit User Centered Design und Usability Testing bietet denk werker…” 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 “interface design testing 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 88 interface design testing firms based in Germany
See the full list, filter by size, metro and specialty, and access 395 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Interface design testing firms based in Germany at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 88 companies.
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.
- What qualifies
- Company records associated with Germany whose business descriptions match “interface design testing 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 395 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.
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 “interface design testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many interface design testing firms are there based in Germany?
RevenueBase identified 88 company matches for interface design testing firms associated with Germany 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?
Kaiser X Labs. A Company Of Allianz tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most interface design testing firms?
Cologne leads with 11 company records, followed by Berlin (7) and Munich (7).
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 395 professional contacts with verified work emails tracked across these 88 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 88 interface design testing firms based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Interface design testing firms by geography
- Interface design testing firms based in London, United Kingdom
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- Interface design testing firms based in Belgium
- Interface design testing firms based in Canada
- Interface design testing firms based in France
- Interface design testing firms based in India
- Interface design testing firms based in Italy
- Interface design testing firms based in the Netherlands
- Interface design testing firms based in Poland
- Interface design testing firms based in Spain
- Interface design testing firms based in Sweden
- Interface design testing firms based in the United Kingdom
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
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- Lists A-Z
- New lists
- Interface design testing firms based in London, United Kingdom
- Interface design testing firms based in Australia
- Interface design testing firms based in Belgium
- Interface design testing firms based in Canada
- Interface design testing firms based in France
- Interface design testing firms based in India
Company intelligence · public preview
Top 25 interface design testing firms based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 88 matching company records for interface design testing firms based in Germany, with 956 tracked contacts and 395 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 interface design testing firms based in Germany
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 |  Kaiser X Labs. A Company Of Allianzkaiser-x.comHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 178 contacts → |
“We believe in a world where human needs and expectations are at the heart of creating digital experiences that matter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  UID Gmbhuid.comHQ: Ludwigsburg, GermanyReported employees: 51-200 | Ludwigsburg, Germany | 51-200 | Exact match | 64 contacts → |
“As a UX pioneer and Germany's best-known UX agency, we design modern user interfaces for your digital product worlds of tomorrow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Appmatics Gmbhappmatics.deHQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 62 contacts → |
“Appmatics basiert auf der Vision, digitale Produkte zu verbessern und einen neuen Maßstab in der QA zu setzen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  D-Labs Gmbhd-labs.comHQ: Potsdam, GermanyReported employees: 11-50 | Potsdam, Germany | 11-50 | Exact match | 30 contacts → |
“D-LABS unites expertise from usability research, design agencies and software service providers in a single company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Projektionistenprojektionisten.deHQ: Hanover, GermanyReported employees: 11-50 | Hanover, Germany | 11-50 | Exact match | 28 contacts → |
“Digitale Produkte, die echten Mehrwert schaffen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Points Gmbhpoints.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 27 contacts → |
“Strategic - Methodical - User-centred points gives your objectives a digital face - one that is sustainable, scalable and to the point.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Eresult Gmbheresult.deHQ: Göttingen, GermanyReported employees: 11-50 | Göttingen, Germany | 11-50 | Exact match | 26 contacts → |
“Since eresult GmbH has been a full-service agency advising well-known companies on all aspects of usability and user experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Xceptancexceptance.comHQ: Jena, GermanyReported employees: 51-200 | Jena, Germany | 51-200 | Exact match | 25 contacts → |
“Do you want to put your software to the test?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Stellar Design UND Engineering Gmbhstellar.deHQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 24 contacts → |
“Wir konzipieren, gestalten und entwickeln High-End Interactiondesign für Automotive, Application und Mobile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Usetree Gmbhusetree.comHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“UseTree offers comprehensive services in the areas of project planning, consulting, training, development, design, research, and evaluation related to usability, user experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Skopos Novaskopos-nova.deHQ: Hürth, GermanyReported employees: 11-50 | Hürth, Germany | 11-50 | Exact match | 19 contacts → |
“SKOPOS NOVA is a UX Research agency that focuses on UX Research, Ideation, Design Sprints and Usability Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Custom Interactions Gmbhcustom-interactions.comHQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 17 contacts → |
“Custom Interactions is the Data Driven UX Design company for the German market that supports their customers in designing products with great usability and leading user experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  usability.deusability.deHQ: Hanover, GermanyReported employees: 11-50 | Hanover, Germany | 11-50 | Exact match | 16 contacts → |
“usability.de is one of Germany's leading usability consultancies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Conze Informatik Gmbhconze.comHQ: Siegen, GermanyReported employees: 11-50 | Siegen, Germany | 11-50 | Exact match | 16 contacts → |
“Technical integration of sophisticated user interfaces CONZE Informatik GmbH is a specialist for user interface engineering and develops in particular graphic user interfaces…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Custom Medicalcustom-medical.comHQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 14 contacts → |
“At Custom Medical, we combine Usability Engineering, User Interface Design, Software Development, and Compliance Documentation to create safe, intuitive, and inspiring medical and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Rosslight Gmbhrosslight.deHQ: Rostock, GermanyReported employees: 11-50 | Rostock, Germany | 11-50 | Exact match | 11 contacts → |
“Mit unserem Team aus Entwicklern verschiedenster Fachbereiche schaffen wir sowohl innovative als auch pragmatische Lösungen für hochkomplexe Systeme in den Bereichen Hardware…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Use-Ing. Gmbhuse-ing.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 10 contacts → |
“At USE-Ing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Goldschnittgoldschnitt.netHQ: Heidenheim, GermanyReported employees: 11-50 | Heidenheim, Germany | 11-50 | Exact match | 10 contacts → |
“We are Goldschnitt, a young office for user interface and interaction design based in Heidenheim a.d.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mindscreen Gmbhmindscreen.deHQ: Munich, GermanyReported employees: 1-10 | Munich, Germany | 1-10 | Exact match | 6 contacts → |
“mindscreen steht für digitale Barrierefreiheit in der Praxis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Benkana Interfaces Gmbh & Co. KGbenkana-interfaces.comHQ: Kiel, GermanyReported employees: 1-10 | Kiel, Germany | 1-10 | Exact match | 6 contacts → |
“We make device easy, safe and fun to use.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  WSK Elektronik Gmbhwsk-elektronik.deHQ: Wertheim, GermanyReported employees: 11-50 | Wertheim, Germany | 11-50 | Exact match | 6 contacts → |
“Die WSK Elektronik GmbH bietet ihnen hochpräzise Prüfstände, ganz nach Ihren Anforderungen- Sparen sie Kosten, Zeit und manuellen Aufwand bei ihren Prüfaufgaben - Optimieren sie…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Untroubleuntrouble.deHQ: Dortmund, GermanyReported employees: 1-10 | Dortmund, Germany | 1-10 | Exact match | 6 contacts → |
“untrouble is a user experience consulting company” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dinghy Gmbhdinghy.studioHQ: Offenbach Am Main, GermanyReported employees: 1-10 | Offenbach Am Main, Germany | 1-10 | Exact match | 4 contacts → |
“Agency for human-hearted & business driven design – Dinghy’s diverse team combines usability research, user experience design and digital product strategy to make apps and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Interstruct AGinterstruct.comHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 4 contacts → |
“Do you have difficulties gaining more clients through your website?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kirschwerk Gmbhkirschwerk.comHQ: Vogt, GermanyReported employees: 1-10 | Vogt, Germany | 1-10 | Exact match | 4 contacts → |
“denk werker bietet Dienstleistungen in den Bereichen- User Centered Design - Usability Testing - Webseiten - Mit User Centered Design und Usability Testing bietet denk werker…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Interface design testing firms: 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
87 records in the displayed employee bands.
1 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 worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 88 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 ↗
Questions about this company list
What does Exact match mean for interface design testing firms?
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 interface design testing firms did RevenueBase find based in Germany?
The saved snapshot records 88 matching company records, 956 tracked contacts and 395 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
Interface design testing firms by geography
- Interface design testing firms based in London, United Kingdom
- Interface design testing firms based in Australia
- Interface design testing firms based in Belgium
- Interface design testing firms based in Canada
- Interface design testing firms based in France
- Interface design testing firms based in India
- Interface design testing firms based in Italy
- Interface design testing firms based in the Netherlands
- Interface design testing firms based in Poland
- Interface design testing firms based in Spain
- Interface design testing firms based in Sweden
- Interface design testing firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 interface design testing firms based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/interface-design-testing-firms/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Interface design testing firms based in London, United Kingdom
- Interface design testing firms based in Australia
- Interface design testing firms based in Belgium
- Interface design testing firms based in Canada
- Interface design testing firms based in France
- Interface design testing firms based in India
Company intelligence · public preview
Top 25 interface design testing firms based in Germany
RevenueBase records 88 matching company records for interface design testing firms based in Germany, with 956 tracked contacts and 395 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 interface design testing firms based in Germany
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 | Kaiser X Labs. A Company Of Allianzkaiser-x.com HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 178 contacts → |
“We believe in a world where human needs and expectations are at the heart of creating digital experiences that matter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | UID Gmbhuid.com HQ: Ludwigsburg, GermanyReported employees: 51-200 | Ludwigsburg, Germany | 51-200 | Exact match | 64 contacts → |
“As a UX pioneer and Germany's best-known UX agency, we design modern user interfaces for your digital product worlds of tomorrow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Appmatics Gmbhappmatics.de HQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 62 contacts → |
“Appmatics basiert auf der Vision, digitale Produkte zu verbessern und einen neuen Maßstab in der QA zu setzen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | D-Labs Gmbhd-labs.com HQ: Potsdam, GermanyReported employees: 11-50 | Potsdam, Germany | 11-50 | Exact match | 30 contacts → |
“D-LABS unites expertise from usability research, design agencies and software service providers in a single company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Projektionistenprojektionisten.de HQ: Hanover, GermanyReported employees: 11-50 | Hanover, Germany | 11-50 | Exact match | 28 contacts → |
“Digitale Produkte, die echten Mehrwert schaffen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Points Gmbhpoints.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 27 contacts → |
“Strategic - Methodical - User-centred points gives your objectives a digital face - one that is sustainable, scalable and to the point.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Eresult Gmbheresult.de HQ: Göttingen, GermanyReported employees: 11-50 | Göttingen, Germany | 11-50 | Exact match | 26 contacts → |
“Since eresult GmbH has been a full-service agency advising well-known companies on all aspects of usability and user experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Xceptancexceptance.com HQ: Jena, GermanyReported employees: 51-200 | Jena, Germany | 51-200 | Exact match | 25 contacts → |
“Do you want to put your software to the test?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Stellar Design UND Engineering Gmbhstellar.de HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 24 contacts → |
“Wir konzipieren, gestalten und entwickeln High-End Interactiondesign für Automotive, Application und Mobile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Usetree Gmbhusetree.com HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“UseTree offers comprehensive services in the areas of project planning, consulting, training, development, design, research, and evaluation related to usability, user experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Skopos Novaskopos-nova.de HQ: Hürth, GermanyReported employees: 11-50 | Hürth, Germany | 11-50 | Exact match | 19 contacts → |
“SKOPOS NOVA is a UX Research agency that focuses on UX Research, Ideation, Design Sprints and Usability Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Custom Interactions Gmbhcustom-interactions.com HQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 17 contacts → |
“Custom Interactions is the Data Driven UX Design company for the German market that supports their customers in designing products with great usability and leading user experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | usability.deusability.de HQ: Hanover, GermanyReported employees: 11-50 | Hanover, Germany | 11-50 | Exact match | 16 contacts → |
“usability.de is one of Germany's leading usability consultancies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Conze Informatik Gmbhconze.com HQ: Siegen, GermanyReported employees: 11-50 | Siegen, Germany | 11-50 | Exact match | 16 contacts → |
“Technical integration of sophisticated user interfaces CONZE Informatik GmbH is a specialist for user interface engineering and develops in particular graphic user interfaces…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Custom Medicalcustom-medical.com HQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 14 contacts → |
“At Custom Medical, we combine Usability Engineering, User Interface Design, Software Development, and Compliance Documentation to create safe, intuitive, and inspiring medical and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rosslight Gmbhrosslight.de HQ: Rostock, GermanyReported employees: 11-50 | Rostock, Germany | 11-50 | Exact match | 11 contacts → |
“Mit unserem Team aus Entwicklern verschiedenster Fachbereiche schaffen wir sowohl innovative als auch pragmatische Lösungen für hochkomplexe Systeme in den Bereichen Hardware…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Use-Ing. Gmbhuse-ing.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 10 contacts → |
“At USE-Ing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Goldschnittgoldschnitt.net HQ: Heidenheim, GermanyReported employees: 11-50 | Heidenheim, Germany | 11-50 | Exact match | 10 contacts → |
“We are Goldschnitt, a young office for user interface and interaction design based in Heidenheim a.d.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mindscreen Gmbhmindscreen.de HQ: Munich, GermanyReported employees: 1-10 | Munich, Germany | 1-10 | Exact match | 6 contacts → |
“mindscreen steht für digitale Barrierefreiheit in der Praxis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Benkana Interfaces Gmbh & Co. KGbenkana-interfaces.com HQ: Kiel, GermanyReported employees: 1-10 | Kiel, Germany | 1-10 | Exact match | 6 contacts → |
“We make device easy, safe and fun to use.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | WSK Elektronik Gmbhwsk-elektronik.de HQ: Wertheim, GermanyReported employees: 11-50 | Wertheim, Germany | 11-50 | Exact match | 6 contacts → |
“Die WSK Elektronik GmbH bietet ihnen hochpräzise Prüfstände, ganz nach Ihren Anforderungen- Sparen sie Kosten, Zeit und manuellen Aufwand bei ihren Prüfaufgaben - Optimieren sie…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Untroubleuntrouble.de HQ: Dortmund, GermanyReported employees: 1-10 | Dortmund, Germany | 1-10 | Exact match | 6 contacts → |
“untrouble is a user experience consulting company” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dinghy Gmbhdinghy.studio HQ: Offenbach Am Main, GermanyReported employees: 1-10 | Offenbach Am Main, Germany | 1-10 | Exact match | 4 contacts → |
“Agency for human-hearted & business driven design – Dinghy’s diverse team combines usability research, user experience design and digital product strategy to make apps and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Interstruct AGinterstruct.com HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 4 contacts → |
“Do you have difficulties gaining more clients through your website?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kirschwerk Gmbhkirschwerk.com HQ: Vogt, GermanyReported employees: 1-10 | Vogt, Germany | 1-10 | Exact match | 4 contacts → |
“denk werker bietet Dienstleistungen in den Bereichen- User Centered Design - Usability Testing - Webseiten - Mit User Centered Design und Usability Testing bietet denk werker…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Interface design testing firms: 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
87 records in the displayed employee bands.
1 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 worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 88 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 ↗
Questions about this company list
What does Exact match mean for interface design testing firms?
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 interface design testing firms did RevenueBase find based in Germany?
The saved snapshot records 88 matching company records, 956 tracked contacts and 395 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
Interface design testing firms by geography
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Cite this list
RevenueBase Data Team. Top 25 interface design testing firms based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/interface-design-testing-firms/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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