Clay is a US-based UI/UX design agency focused on high-end digital product design and UX/UI—from research and wireframes to polished UI and design systems.
Top Rated15+ YearsMid-Size
UI/UX DesignBranding & Creative DesignTOP 10 LIST•2026
Top 10 UI/UX Design Agencies in California (2026)
The best ui/ux design agencies in California, curated by AgencyCluster.
10 verified agencies
27+ years avg. experience
Updated today
The Top 10
The absolute best in ui/ux design
IDEO is a US-based UI/UX design agency focused on human-centered design, service design, and digital experiences—from research and wireframes to polished UI and
Top Rated15+ YearsEnterprise
UI/UX Design
Momentum Design Lab is a US-based UI/UX design agency focused on enterprise UX/UI design for complex products—from research and wireframes to polished UI and de
Top RatedSmall Team
UI/UX Design
Neuron is a US-based UI/UX design agency focused on research-led UX strategy and product design—from research and wireframes to polished UI and design systems.
Top RatedSmall Team
UI/UX Design
Punchcut is a US-based UI/UX design agency focused on product innovation and UX/UI for emerging tech—from research and wireframes to polished UI and design syst
Top Rated15+ YearsSmall Team
UI/UX Design
fuseproject is a US-based UI/UX design agency focused on product and experience design with strong UI craft—from research and wireframes to polished UI and desi
Top Rated15+ YearsSmall Team
UI/UX Design
La Visual is a US-based UI/UX design agency focused on brand + digital product UI/UX design—from research and wireframes to polished UI and design systems.
Rising StarSmall Team
UI/UX Design
Method is a US-based UI/UX design agency focused on experience design and product strategy for digital products—from research and wireframes to polished UI and
Rising StarMid-Size
UI/UX DesignMVP Development
Outcrowd is a US-based UI/UX design agency focused on UI/UX and product design for startups and SaaS—from research and wireframes to polished UI and design syst
Rising StarMid-Size
UI/UX Design
UXReactor is a US-based UI/UX design agency focused on UX strategy and UI design for enterprise platforms—from research and wireframes to polished UI and design
Rising StarMid-Size
UI/UX DesignTrusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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