Top 100 Usability Testing Companies in London

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Top 100 Usability Testing Companies in London

The Best of November 2026

Looking for a top usability testing agency in London?

Usability testing helps companies vet if a product is worth investing time and resources in building. It also helps improve existing products by accounting for user feedback and pain points in design and functionality updates. 

Jump to Most Reviewed Companies

List of the Best London Usability Testing Services

  • 1
    (94 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    London, England
    Qubstudio is a midsize user experience company. Established in 2006, the agency is located in L'viv, Ukraine and London, England. Their team offers UX/UI Design.
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    Clients

    Bank ABC (Bahrain) Oracle (Germany) Gulf Bank (Kuwait) Benefit (Bahrain)

    Industries

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  • 2
    (35 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England
    Browser London is an user experience agency. They are located in London, England and have a small team that specializes in UX/UI Design, Web Design, Product Design, Market Research, and more. The company was established in 2008.
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    Clients

    The British Library British Airways Vantage Health Mayor of London

    Industries

  • 3
    (55 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Creative Navy, an user experience agency, was established in 2010. The small team offers UX/UI Design. The agency is based in London, England; Berlin, Germany; Basel, Switzerland and New York, New York.

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    Clients

    Jaguar Miele General Motors Vodafone

    Industries

  • 4
    (12 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Format-3 is a small user experience agency launched in 2023. Their services include UX/UI Design, Custom Software Development, Digital Strategy, and Web Development. The company is based in London, England and Nashville, Tennessee.

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    Clients

    Natural History Museum Alpiq Scottish Power Majid al Futtaim

    Industries

  • 5
    (44 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    London, England

    Founded in 2014, Series Eight is a small branding firm. Their services include Branding, Web Design, UX/UI Design, and E-Commerce Development. The company is headquartered in London, England.

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    Clients

    Kuoni

    Industries

  • 6
    (58 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England
    Infinum, a custom software development company, was established in 2005. They are in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.
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    Clients

    Philips

    Industries

  • 7
    (31 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.4

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England

    UX Connections is a design agency founded in London in 2013 with fewer than 50 experts. They specialize in UX/UI design, market research, and digital strategy solutions for clients ranging from small firms to large companies.

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    Clients

    Immediate Media

    Industries

  • 8
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $25,000+
    1,000 - 9,999 employees
    St Albans, England
    FCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.
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    Clients

    Farfetch IPSOS Elfa Group BTG Pactual

    Industries

  • 9
    (51 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England
    Spaceberry Studio, a small UX agency, is located in Kyiv, Ukraine; Amsterdam, Netherlands; New York, New York and London, England. Established in 2020, the team focuses on UX/UI Design and Web Design.
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    Industries

  • 10
    (54 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $75,000+
    50 - 249 employees
    London, England

    Arctic Grey, Ltd. is a creative firm founded in 2015 and located in New York. With a team of fewer than 50 employees, they offer e-commerce development, web development, and content marketing services. They serve mostly small businesses in the e-commerce, business services, and government industry.

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    Clients

    Harvard University

    Industries

  • 11
    (117 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    London, England
    UPQODE is a web design agency. The midsize Nashville, Tennessee-based team focuses on Web Design, UX/UI Design, and Web Development. The agency was founded in 2015.
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    Clients

    Gracenote - Entertainment Providers

    Industries

  • 12
    (43 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    2 - 9 employees
    London, England
    Digital Product People (formerly Lighthouse) is an user experience design agency. Established in 2008, the small agency is in London, England. Their team provides UX/UI Design and Product Design.
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    Clients

    Total

    Industries

  • 13
    (18 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.3

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England
    Method is a midsize UX agency. They specialize in UX/UI Design, Custom Software Development, Digital Strategy, Mobile App Development, and more and were launched in 1999. The agency is located in New York, New York; London, England; Santa Clara, California and Charlotte, North Carolina.
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    Industries

  • 14
    (48 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Located in Dubai, United Arab Emirates; Kraków, Poland and London, England, Selecto is an user experience company. The midsize team focuses on UX/UI Design and was founded in 2014.
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    Clients

    Abbott

    Industries

  • 15
    (26 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.8
    $25,000+
    250 - 999 employees
    London, England
    Robosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.
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    Clients

    Warner Bros. Discovery HSBC McDonalds Mercury Finance

    Industries

  • 16
    (4 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Established in 2013, Inktrap is a small SEO agency. Their team focuses on search engine optimization, web design, advertising, ux/ui design, and more. The firm is based in London, United Kingdom.

    Read More

    Clients

    PwC Tysers

    Industries

  • 17
    (57 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Bromley, England
    Custom software development firm Goodface agency was established in 2016. The firm offers Custom Software Development, UX/UI Design, Web Design, Web Development, and more and has a small team. The firm is based in Bromley, England; Kyiv, Ukraine; Tallinn, Estonia and New York, New York.
    Read More

    Clients

    Magnetiq Bank 365 Games Corefy KARL STORTZ

    Industries

  • 18
    (98 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England
    Founded in 2016, Solar Digital is a website development company. The company specializes in Web Development, AI Agents, Custom Software Development, UX/UI Design, and more and has a small team. The company is headquartered in London, England and Odesa, Ukraine.
    Read More

    Clients

    Stark Shipping (analytical portal of marine industry

    Industries

  • 19
    (31 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    London, England
    Based in دبي, United Arab Emirates; Noida, India; London, England and Nottingham, England, Tenet - UI UX Design Agency | Experience Design is an user experience design company. The agency offers UX/UI Design, Web Design, Custom Software Development, Branding, and more and is midsize.The agency was established in 2019.
    Read More

    Clients

    Mercedes Gartner G42 Group Balsan

    Industries

  • 20
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    London, England

    Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.

    Read More

    Industries

  • 21
    (17 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    London, England
    Website development firm Deeep was established in 2009. The midsize team provides Web Development, Custom Software Development, UX/UI Design, Low/No Code Development, and more. The firm is headquartered in London, England and Dubai, United Arab Emirates.
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    Clients

    Societe Generale Group Emirates NBD Bank SBI Bank 24AI & 24ORM

    Industries

  • 22
    (121 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    GeekyAnts is an application development firm established in 2006. The firm provides Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more and has a midsize team.
    Read More

    Clients

    Siveco Romania Olive Garden Darden KhataBook

    Industries

  • 23
    (25 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Slick is an UX design agency. The small San Jose, California-based company was founded in 2021. Their team specializes in UX/UI Design, Web Design, and Product Design.

    Read More

    Industries

  • 24
    (13 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $50,000+
    10 - 49 employees
    London, England

    NEVERBLAND is a web development firm. They provide web development, web design, ux/ui design, custom software development, and more and were launched in 2010. Their small team is London, United Kingdom-based.

    Read More

    Clients

    Togetherall

    Industries

  • 25
    (60 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    London, England
    Duck Design, a graphic design company, is in London, England and New York, New York. They offer Graphic Design, Product Design, UX/UI Design, Branding, and more and were launched in 2017.
    Read More

    Clients

    Farsight

    Industries

  • 26
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Glorify Ltd is a small UX company. The London, United Kingdom-based company was founded in 2019. Their team focuses on ux/ui design.

    Read More

    Industries

  • 27
    (58 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    London, England
    Superco is an e-commerce development company established in 2019. Their small team is located in London, England and New York, New York. The agency provides E-Commerce Development and UX/UI Design.
    Read More

    Clients

    Represent Clothing

    Industries

  • 28
    (20 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    London, England
    Experience Dynamics is a Seattle, Washington-based UX design agency. The small team specializes in UX/UI Design and AI Consulting. The agency was established in 2001.
    Read More

    Clients

    Nike

    Industries

  • 29
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Launched in 1991, Make it Clear is a UX agency. The small London, United Kingdom-based team provides ux/ui design, marketing strategy, digital strategy, graphic design, and more.

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    Clients

    Cambridge University Press & Assessment

    Industries

  • 30
    (17 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Creathive is an UX agency. Their small team is based in İstanbul, Turkey and provides ux/ui design, branding, mobile app development, and web development. The firm was founded in 2016.

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    Clients

    Getir

    Industries

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