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Agencies offering Card Sorting & Tree Testing

Information architecture methods that reveal how people categorize content and whether they can find things in a structure.

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These locations include headquarters and other listed offices.

10 agencies to explore

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CMB (Chadwick Martin Bailey)

Headquarters in Boston, United States

Insights and strategy consultancy supporting brand health, customer journeys, segmentation, and product growth. Its researchers combine qualitative methods and analytics, with capabilities including focus groups, ethnography, and usability research.

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Key Lime Interactive

Key Lime Interactive provides UX and customer-experience research across the product lifecycle. Its services include discovery interviews, ethnography, concept testing, usability evaluation, and research on emerging technologies.

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Usaria

Headquarters in Monterrey, Mexico

UX research and strategic design consultancy studying how people use digital products and services. Offers usability testing, interviews, contextual research and information-architecture studies for product teams.

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XplusX

Headquarters in Shanghai, China

User experience and human factors research consultancy with offices in Shanghai and Singapore, working within ReSight Global. It conducts ethnography, interviews, usability studies and medical-device human factors evaluations for local and international projects.

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