Top UX Research & Usability Testing Firms

UX research and usability testing firms find out how real people use a product and where it fails them. They run user interviews, moderated and unmoderated usability tests, diary studies, card sorts and surveys, recruit participants who match a screener, and turn sessions into findings ranked by severity, with clips the product team can watch. Companies commission the work before a redesign, after an underperforming launch, or when internal debate about what users want has stalled a roadmap.

Compare the firms here on method range and on recruiting reach for your audience, whether clinicians, finance staff or shoppers in one country. Ask for an anonymized report: good ones separate observation from recommendation.

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10,000 Companies

List of the Best UX Research & Usability Testing Agencies

youspi
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Our goal is to simplify everyday interactions and provide memorable experiences. We believe that our interdisciplinary approach is essential for the success of your project. To lead the way in Usability, User Experience, and Customer Experience Management, we established the World Usability Congress
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Graz, Styria, At
Services Provided
70% UX Research & Usability Testing
30% Product UX Strategy
AI Summary
“Youspi fosters memorable user experiences through interdisciplinary collaboration and leads the World Usability Congress, uniting top UX experts to advance usability and customer experience management.”
Xperienz
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Xperienz is the leading UX consultancy in Portugal and a trailblazer in the industry, established on 18 years of expertise in international research for Fortune 500 and various multinational corporations. We possess our own research facilities that include an observation room and eye-tracking techno
Highlights
10-49
Employees
Lisboa, Lisbon, Pt
Services Provided
70% UX Research & Usability Testing
30% Product UX Strategy
AI Summary
“Xperienz is Portugal's leading UX consultancy with 18 years' expertise, advanced research facilities, and organizer of Europe's largest UX event, serving Fortune 500 and multinational clients.”
Usability Sciences
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Usability Sciences is a comprehensive user experience research agency featuring a team of research analysts and internal participant recruiters. For more than 30 years, we have assisted Fortune 100 companies in discovering ways to enhance their customers' experiences. With clients across various ind
Highlights
$10,000+
Min Project Size
10-49
Employees
Irving, Texas, Us
Services Provided
70% UX Research & Usability Testing
20% Product UX Strategy
10% Interaction Design
AI Summary
“Usability Sciences is a user experience research agency delivering tailored studies, participant recruitment, and design support, serving Fortune 100 clients across industries for over 30 years.”
AnswerLab
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AnswerLab offers large-scale UX research that assists product teams at top global companies in improving product experiences. Their team specializes in various key practice areas, including:
Highlights
250-999
Employees
Larkspur, California, Us
Services Provided
70% UX Research & Usability Testing
30% Product UX Strategy
AI Summary
“AnswerLab is a US-based UX research and design firm delivering user-centered strategies, usability testing, and insights to help top companies enhance product experiences globally.”
Purple Shirt Limited
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Are you in search of top-notch UX researchers to elevate your product? Look no further than Purple Shirt. Our team brings years of expertise in UX research and design, guaranteeing that your product will be both user-friendly and visually appealing. With us on your side, your product will truly stan
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Auckland, Auckland, Nz
Services Provided
70% UX Research & Usability Testing
30% Product UX Strategy
AI Summary
“Purple Shirt Limited specializes in expert UX research and design, leveraging deep user insights to create visually appealing, user-friendly products that enhance customer experience and market success.”
Cafe Voltaic
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We create and enhance user interfaces grounded in research and usability guidelines.
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Vilnius, Vilnius, Lt
Services Provided
70% UX Research & Usability Testing
30% Product UX Strategy
AI Summary
“Cafe Voltaic specializes in designing and improving user interfaces based on research and usability principles, delivering comprehensive solutions for enhanced user experiences across platforms.”
Brewex
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We create digital experiences that are enjoyable and easy to navigate. Our method combines insights into human needs, thoughts, and behaviors with technological capabilities to develop impactful and engaging solutions. We are dedicated to refining our work through continuous iterations and meticulou
Highlights
$10,000+
Min Project Size
10-49
Employees
Services Provided
70% UX Research & Usability Testing
30% UX Audit & Heuristic Evaluation
AI Summary
“Brewex specializes in creating engaging digital experiences by integrating human insights with technology, emphasizing iterative design and detailed craftsmanship to solve challenges and enhance lives.”
Userlutions
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Userlutions provides consulting and online services to businesses in e-commerce, digital media, industry, and technology, focusing on user-centered product and communication development. Our experienced team excels in usability, user-centered design, and marketing effectiveness. Our offerings encomp
Highlights
10-49
Employees
Berlin, Berlin, De
Services Provided
65% UX Research & Usability Testing
35% Product UX Strategy
AI Summary
“Userlutions specializes in user-centered consulting and digital services, enhancing e-commerce, media, and technology businesses through research, design, and usability testing for over 4,000 clients.”
Stikkman UX
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Comprehensive UX Design and Product Development Studio | Over 40 Projects | Impacting More Than 100 Million Lives. At Stikkman UX, we take a unique approach to UX design by incorporating behavioral psychology into our design process, resulting in more meaningful and inclusive digital products and ex
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Bengaluru, Karnataka, In
Services Provided
65% UX Research & Usability Testing
35% Product UX Strategy
AI Summary
“Stikkman UX is a design and product development studio blending behavioral psychology with UX to create inclusive, user-focused digital solutions impacting over 100 million lives.”
Brave UX
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We are a comprehensive user experience agency specializing in the design and development of intricate application interfaces. We thrive on tackling challenges through design and technology and enjoy collaborating with talented individuals to create products that users will appreciate. Our strongest
Highlights
$50,000+
Min Project Size
$150+/hr
Avg Hourly Rate
10-49
Employees
Washington, District Of Columbia, Us
Services Provided
60% UX Research & Usability Testing
40% Product UX Strategy
AI Summary
“Brave UX is a user experience agency specializing in designing and developing complex application interfaces, emphasizing design challenges, technology, and user-tested solutions across diverse client needs.”

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