Bricx Labs
Top 7 · #1San Francisco, United States
A website design agency for venture-backed AI and B2B SaaS companies, built to convert
- Clutch
- 5.0 (31)
- Min. project
- $25,000+
- Team
- 10 to 49
UXReactor is a 10 to 49 person website design agency headquartered in Pleasanton, United States, rated 4.8 on Clutch across 8 reviews, with a $25,000 minimum. UX/UI Design is its largest service line at 100% of the mix.
UXReactor is 100 percent UX/UI design; it will not build your marketing website

UXReactor is a Pleasanton, California firm founded in 2015 with 10 to 49 people and a 4.8 rating from 8 Clutch reviews. Its service mix is UX/UI design at 100 percent, with no web design, development, branding or low-code line. Software and IT is a quarter of its industry work; clients are 45 percent mid-market. Reviews describe personas, journey maps and high-fidelity Figma designs for machinery, analytics and cybersecurity products. One covers a design to help site visitors understand a dispute resolution service, the closest thing to website work here.
Consider UXReactor if your website problem is really a research problem: you do not know why visitors fail to convert and want personas and journey maps before a redesign. For design plus build of a marketing site, you will need another vendor.
Self-reported shares from the agency’s Clutch profile. Design disciplines are 100% of the service mix.
Service mix
Industry mix
Client mix
“UXReactor provided UI/UX design services for an automation machinery manufacturer. They guided the client through defining user personas and creating mock-ups, then created high-fidelity designs using Figma.\r\n”
Clutch reviewer, project summary
“UXReactor handled UX research and design for a data analytics company. They helped establish customer journey maps, personas, and need statements. Then, they designed the UI based on the findings and research.\r\n”
Clutch reviewer, project summary
“UXReactor provided UI/UX services for an online dispute resolution (ODR). The team worked to create a design that will help site visitors navigate and understand the client's services and processes.\r\n”
Clutch reviewer, project summary
“First, UXReactor conducted user research to gather information on an API cybersecurity product. Then, based on feedback, they redesigned the platform’s UI/UX and refreshed the product.\r\n”
Clutch reviewer, project summary
Agencies that lead with the same service as UXReactor, editorial rank first, then review count.
San Francisco, United States
A website design agency for venture-backed AI and B2B SaaS companies, built to convert
San Francisco, United States
Silicon Valley brand and web design studio with a six-month site relaunch on record
San Francisco, United States
Fantasy's record shows UX/UI and AI work, not websites, and no Clutch reviews
Portland, United States
Instrument: UX/UI, strategy and web development for enterprise, from $250,000+
Facts per Clutch profile, retrieved August 24, 2026: https://clutch.co/profile/uxreactor. No paid placements. Every rank on this list is editorially assigned.