UI/UX Design: 4 global agencies to consider
Four global UI/UX Design agencies: Clay, frog, Work & Co, IDEO. Sources linked, no paid placement, and the order is not a ranking.
Studios and agencies shortlisted for product and experience design.
| Agency | HQ | Best for |
|---|---|---|
| Clay | San Francisco, USA | Software products and digital brands needing detailed interface design and cohesive design systems. |
| frog (Capgemini) | San Francisco, USA (third-party sources) | Complex customer journeys and services requiring research beyond individual screens. |
| Work & Co | Brooklyn (Dumbo), New York, USA | Customer-facing digital products where design needs to carry through to implementation. |
| IDEO | Palo Alto, California (sources vary); studios in Cambridge, Chicago, London, San Francisco and Shanghai | Early product definition, unfamiliar user problems and concept validation before detailed UI execution. |
Clay
Best for: Software products and digital brands needing detailed interface design and cohesive design systems.
Focused digital design agency covering UX, interaction design, UI and design systems, with published product work.
In this category:
- UX, interaction design, UI and design systems
- Software products and digital brands
Services
What stands out
- Large named client list in technology and fintech.
- Offices in the US and Europe.
- Engagement models stated (T&M, fixed fee, retainer).
Research before choosing
- Founding year and headcount not stated.
- Client names are logos or lists; ask for referenceable case studies.
- Pricing not published.
frog (Capgemini)
Best for: Complex customer journeys and services requiring research beyond individual screens.
Combines user research, service design, interaction design and product architecture with engineering and business objectives.
In this category:
- Complex customer journeys and services
- Research that goes beyond individual screens
Services
Best at
- Complex customer journeys and services
- Research that goes beyond individual screens
Also offers
- Business reinvention
- Product and service design
- Engineering through the Capgemini group
Work & Co
Best for: Customer-facing digital products where design needs to carry through to implementation.
Integrates product strategy, experience design and engineering, with published digital products used at scale.
In this category:
- Experience design carried through to implementation
- Published digital products used at scale
Services
What stands out
- Combines product strategy, design and full-stack engineering
- Recognizable clients named on its site (Apple, Google, Nike, Pfizer)
- One Brooklyn studio base
Research before choosing
- Wikipedia lists Accenture as owner since 2024; confirm the contracting entity
- Client names come from a press quote, not case studies we verified
- Headcount figures are third-party estimates
IDEO
Best for: Early product definition, unfamiliar user problems and concept validation before detailed UI execution.
Human-centered design practice spanning research, prototyping and digital product design.
In this category:
- Early product definition and unfamiliar user problems
- Concept validation before detailed UI work
Services
Best at
- Early product definition and unfamiliar user problems
- Concept validation before detailed UI work
Also offers
- Design strategy
- Growth work
- IDEO U education
How to choose
- Ask to see the research and testing behind past designs.
- Check that designers work with your engineers.
- Clarify deliverables, design system handover and IP.
- Request references from a similar product type.
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