Best UX Agency

Research and strategy guide

The best UX agency in 2026, by the problem you need solved

Written for product owners, heads of digital and founders who need evidence about their users before they commit budget to a build. All ten firms were checked in November 2026 and are grouped by the kind of UX work they are strongest at.

Updated
Compared
10 providers
Segments
4
Publisher
BlackCard

The short answer

The best UX agency is the one whose core method matches your problem. For user research and usability testing, Nielsen Norman Group, AnswerLab, Baymard Institute (e-commerce) and the Dutch agency Valsplat are research-led. For product strategy tied to design, consider Clearleft in the UK or Blink in the US. When research has to end in working software, BlackCard fits small and mid-size companies and Ergosign fits industrial and enterprise projects in DACH. For service design across channels and departments, Livework and frog (part of Capgemini Invent) are established names.

See all 10

How the market splits

  1. Research-led consultancies

    Firms whose main output is evidence: user studies, usability tests, audits and benchmarks.

    Nielsen Norman Group, AnswerLab, Baymard Institute, Valsplat

  2. Product strategy and UX studios

    Studios that turn research into product direction, information architecture and tested designs.

    Clearleft, Blink

  3. UX-plus-engineering studios

    Teams that carry UX work through to shipped software with their own developers.

    BlackCard, Ergosign

  4. Enterprise service design firms

    Consultancies that redesign whole services, including the people and processes behind the screens.

    Livework, frog

The 10 providers, in detail

  1. BlackCard

    Best for small and mid-size companies that need UX design and the build from one team

    Publisher's pick
    Type
    UX-plus-engineering studios

    BlackCard is a boutique studio, managed from Germany, that pairs UI/UX design with software engineering. Its senior team clarifies the goal, picks the first useful version of a product, builds it with regular reviews, then measures and improves after launch. Clients are mostly European and come from sectors such as healthcare, fintech, logistics and e-commerce.

    • UX and UI design
    • Client portals
    • Internal systems
    • Mobile apps
    • Practical AI tools

    Strengths

    • UX decisions are made by the same people who build the product, which keeps designs realistic
    • The process begins with the business goal and continues with measurement after launch
    • Advises where AI does and does not make sense before anything gets built

    Consider

    • A design and build studio, not a dedicated research consultancy, so large standalone research programmes fit a research-led firm better
    • Boutique team with limited parallel capacity, and no formal vendor partner badges

    Notable work: Public work includes web app design for Upfront, an SME financing platform with integrated AI, plus projects for Homelike, ESN, DropFriends and growthartig.

    Disclosure: BlackCard publishes this guide. We list ourselves first for the segment above because it is the work we do every day. Every other entry is assessed on public information, and nobody paid to be included.

  2. Nielsen Norman Group

    Best for teams that want independent expert review, user testing and UX training

    Type
    Research-led consultancies
    Founded
    1998

    Nielsen Norman Group, usually shortened to NN/g, is a UX research and consulting firm founded in 1998 by Jakob Nielsen and Don Norman. It publishes usability research, runs training courses with a UX Certification programme and takes on consulting projects. Kara Pernice is its President and CEO.

    • UX research
    • Expert review
    • User testing
    • UX maturity assessment
    • Training

    Strengths

    • States a typical budget for custom consulting projects: $40,000 to $200,000
    • Consulting covers customised research, expert reviews, user testing and UX maturity assessments
    • Training and certification can raise in-house skills alongside a project

    Consider

    • Delivers findings, recommendations and training, not interface production or code
    • Budgets are stated in US dollars, so European teams should ask about time zones and on-site availability

  3. AnswerLab

    Best for enterprise product teams that need continuous user research at scale

    Type
    Research-led consultancies
    Based in
    New York, USA

    AnswerLab is a US firm with more than 20 years in UX research. In February 2026 it repositioned itself as a research-powered experience strategy firm. Its site lists a New York address, and its services range from usability testing to AI workflow analysis and market-entry research.

    • Behavioural research
    • Usability testing
    • Concept validation
    • Continuous discovery
    • Experience measurement

    Strengths

    • Research is the whole business, not a phase attached to design work
    • Services span one-off studies, continuous discovery programmes and experience measurement
    • The 2026 repositioning adds strategy advice on top of research findings

    Consider

    • Does not design or build the product, so you need a team that will act on the findings
    • US-based and geared to large organisations, so check the fit for a single small study

  4. Baymard Institute

    Best for online shops that want a benchmarked audit of checkout and product pages

    Type
    Research-led consultancies
    Based in
    Farum, Denmark
    Founded
    2009

    Baymard Institute describes itself as an independent web UX research institute. It is based in Denmark, works with a distributed team and concentrates on e-commerce. Its about page reports more than 200,000 hours of UX research, which it sells as audits, training and subscription access to the findings.

    • UX audits
    • E-commerce UX research
    • UX training
    • Research subscription

    Strengths

    • Audits compare a site against a large body of e-commerce usability research
    • The standard audit has a defined output: a scorecard, 40 prioritised improvements and a presentation of about two hours
    • Gives a typical audit timeline of 15 to 25 business days

    Consider

    • The focus is e-commerce, so it is a weaker match for B2B software or internal tools
    • Audit pricing is tailored to the site, not listed as one fixed fee

  5. Valsplat

    Best for Dutch organisations wanting user research and design from a local agency with a lab

    Type
    Research-led consultancies
    Based in
    Nieuwersluis, Netherlands

    Valsplat is a Dutch UX agency working across research, design and strategy. It has an office in Nieuwersluis and a research lab in Amsterdam, is a B Corp and belongs to the group De Goede Orde. Clients named on its site include NS, PostNL, Bol, BNG Bank and ARTIS.

    • User research
    • UX design
    • UX strategy
    • Research lab

    Strengths

    • Runs a research lab in central Amsterdam, listed together with the neuro-research team Braingineers
    • Works for Dutch public and semi-public bodies, including the NL Design System
    • Research, design and strategy are offered by one agency

    Consider

    • Centred on the Dutch market, so check language and recruitment coverage for studies in other countries

  6. Clearleft

    Best for organisations wanting strategic design plus fixed-price research and review packages

    Type
    Product strategy and UX studios
    Based in
    Brighton, UK
    Founded
    2005

    Clearleft is a strategic design consultancy founded in Brighton in 2005 and now owned by its employees. It combines user research, service design, product design and training. It also runs the conferences UX London and Leading Design.

    • User research
    • Service design
    • Product design
    • Design systems
    • Training

    Strengths

    • Publishes prices for two packaged services: an expert UX review at £7,475 and rapid usability testing at £9,990, both excluding VAT
    • Named clients include the BBC, the Natural History Museum, Tesco and the United Nations
    • Employee-owned, with a long record of conference and community work in UX

    Consider

    • Larger engagements are scoped individually, so only the packaged services carry public prices
    • Its service list centres on research and design, so confirm who builds the final product

  7. Blink

    Best for US enterprises pairing research with product design, with embedded UX staff if needed

    Type
    Product strategy and UX studios
    Based in
    Seattle, USA

    Blink is a product design consulting firm that has belonged to the IT services group Mphasis since 2021 and now trades as an Mphasis company. It lists studios in Seattle, San Diego, San Francisco, Boston, New York City and Bengaluru. Its work runs from research and strategy through to product design.

    • Insights and strategy
    • Product design
    • AI transformation
    • Embedded UX staffing

    Strengths

    • Six studios, five in the US and one in Bengaluru
    • Has its own participant recruiting division, Insight Space
    • Can place UX staff inside client teams as well as run projects

    Consider

    • Part of a large IT services group, so ask how projects are staffed and contracted
    • No European studio is listed on its site

    Notable work: Clients named on its site include Amazon, JPMorganChase, Qualcomm, Google and NASA.

  8. Ergosign

    Best for DACH industrial, energy and public-sector projects needing UX and software delivery

    Type
    UX-plus-engineering studios
    Based in
    Saarbrücken, Germany
    Team
    About 170 people

    Ergosign is a German UX and software company with about 170 specialists at seven sites: Saarbrücken, Hamburg, Munich, Stuttgart, Berlin, Basel and Zurich. Its site cites a 25-year track record. Services run from strategy and UX design to development and ongoing operation.

    • UX strategy
    • UX design
    • Usability testing
    • Software development
    • HMI

    Strengths

    • Covers usability testing, accessibility and design systems as well as web, mobile and HMI development
    • Stated industry focus on energy, industry, the public sector, and finance and insurance
    • Sites in Germany and Switzerland allow German-language work on location

    Consider

    • Its stated industries are industrial and institutional, so consumer startups may find a closer match elsewhere

    Notable work: Clients named on its site include Lufthansa Technik, BSH, BMW and Hamilton Medical.

  9. Livework

    Best for service organisations redesigning how customers move across channels and departments

    Type
    Enterprise service design firms
    Based in
    London, UK
    Founded
    2001

    Livework was founded in London in 2001 and describes itself as the first service design studio. It is independent and has offices in London, Rotterdam and São Paulo. Its work deals with whole services, including the staff, processes and channels behind the screen.

    • Service design
    • Customer journeys
    • Organisational change

    Strengths

    • More than two decades spent on service design specifically
    • Clients named on its site include NHS England, TfL, KLM, E.ON and UK Parliament
    • Offices in both the UK and the Netherlands

    Consider

    • The focus is the service as a whole, so confirm who designs and builds the individual screens

  10. frog

    Best for large enterprises combining experience strategy, service design and transformation at global scale

    Type
    Enterprise service design firms
    Founded
    1969

    frog is a global creative consultancy and has been part of Capgemini Invent since 2021. It was founded in 1969 by the industrial designer Hartmut Esslinger in Germany and came to Capgemini through the acquisition of Altran. It combines strategy, design and data for large change programmes.

    • Experience strategy
    • Product and service design
    • Venture building
    • Transformation

    Strengths

    • Decades of design history, from industrial design to digital products and services
    • Backed by Capgemini's consulting and technology teams for large programmes

    Consider

    • Part of a global consultancy, so it suits large programmes more than a single audit or small study
    • Its site describes outcomes more than a fixed menu of services, so scope is defined case by case

Comparison at a glance

ProviderBest forTypeBased in
BlackCardSmall and mid-size companies that need UX design and the build from one teamUX-plus-engineering studiosNot stated
Nielsen Norman GroupTeams that want independent expert review, user testing and UX trainingResearch-led consultanciesNot stated
AnswerLabEnterprise product teams that need continuous user research at scaleResearch-led consultanciesNew York, USA
Baymard InstituteOnline shops that want a benchmarked audit of checkout and product pagesResearch-led consultanciesFarum, Denmark
ValsplatDutch organisations wanting user research and design from a local agency with a labResearch-led consultanciesNieuwersluis, Netherlands
ClearleftOrganisations wanting strategic design plus fixed-price research and review packagesProduct strategy and UX studiosBrighton, UK
BlinkUS enterprises pairing research with product design, with embedded UX staff if neededProduct strategy and UX studiosSeattle, USA
ErgosignDACH industrial, energy and public-sector projects needing UX and software deliveryUX-plus-engineering studiosSaarbrücken, Germany
LiveworkService organisations redesigning how customers move across channels and departmentsEnterprise service design firmsLondon, UK
frogLarge enterprises combining experience strategy, service design and transformation at global scaleEnterprise service design firmsNot stated

How we ranked

This list was built from firms with a public record in user research, UX strategy or service design, then narrowed by checking each one against its own website and primary announcements in November 2026. Where a firm was acquired or repositioned, the entry says so. Placement reflects the type of problem a firm is suited to, and no firm paid for a place.

Research capability you can see
The firm names its methods, publishes findings or describes its research services in detail. A line reading "UX" on a services page was not enough.
A defined core method
Each firm is placed by what it mainly sells: evidence, product strategy, UX with engineering, or service design. That is the choice a buyer has to make first.
Current ownership and status
We confirmed that each firm still trades under the listed name and noted its parent company where there is one, as with Blink and frog.
European coverage
Six of the ten have their base in Europe: Germany, the UK, the Netherlands and Denmark. The US firms are included because their research practices are widely referenced.
Published scope or price where available
Firms that state what a package contains or costs give buyers a reference point. We cite those figures with links and do not estimate prices for the others.
Fit notes for every firm
Considerations describe who a firm suits less well, based on its stated focus, location or structure. They do not judge the quality of anyone's work.

Full methodology and disclosure

Before you shortlist

Frequently asked questions

What is the best UX agency in 2026?

No single firm is best for every brief. For research and testing, Nielsen Norman Group, AnswerLab, Baymard Institute and Valsplat are strong options. Clearleft and Blink link research to product strategy and design. BlackCard and Ergosign take UX work through to built software. Livework and frog redesign whole services. Decide which of those four problems you have, then shortlist within that group.

What does a UX agency do?

A UX agency finds out what users need and shapes a product or service around it. Typical work includes interviews, usability testing, analytics review, journey mapping, information architecture, prototypes and tested designs. Some agencies stop at findings and recommendations. Others continue into interface design and development. Ask early which of these you are paying for.

How much does a UX agency cost?

It ranges from a few thousand pounds for a packaged review to six figures for a custom programme. Clearleft lists an expert UX review at £7,475 and rapid usability testing at £9,990, both excluding VAT. Nielsen Norman Group says its custom projects typically run from $40,000 to $200,000. Most other firms quote on request.

What is the difference between UX research and UX design?

UX research produces evidence about users: what they try to do, where they fail and why. UX design uses that evidence to decide structure, flows and screens. Research-led consultancies sell the first. Strategy and UX studios sell both. If you already have reliable evidence, you can go straight to design. If decisions are based on opinion, start with research.

Should I hire a UX agency or build an in-house team?

Hire an agency for a defined question, an outside view or a skill you need only occasionally, such as lab testing or a benchmark audit. Build in-house when research is needed every sprint and product knowledge has to accumulate. Many companies do both: an internal designer or researcher for continuity, and an agency for larger studies and independent reviews.

Which UX agencies are based in Europe?

From this guide: Ergosign has seven sites in Germany and Switzerland, Clearleft is in Brighton, Livework has offices in London and Rotterdam, Valsplat works from Nieuwersluis and Amsterdam, and Baymard Institute is based in Denmark. BlackCard is managed from Germany and serves mostly DACH clients in English and German. frog belongs to Capgemini Invent, part of the French group Capgemini.

Want a second opinion on your shortlist?

Tell BlackCard what you are trying to ship. You get a straight answer on scope, a sensible first version, and whether we are the right team for it.

Book a 20-minute callVisit blackcard.dev