Top UX Design Agencies in California

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Ergonomy (UX/UI)UX Design United States California

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Top Featured UX Design Agencies

TRIARE
4.9
(11 reviews)
TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.
1 work in UX Design
Located in Fairfax, United States (+3)
From €5,000 for UX Design
Worked in Hospitals & Healthcare (+20)
Speaks English, Ukrainian
51-200 members
Poterby Tech
(0 review)
Making brands matter
Welcome to Poterby Technologies, where innovation meets execution. We are a leading software development agency committed to transforming ideas into scalable and impactful digital solutions. With a passion for technology and a focus on excellence, we empower startups, businesses, and organizations to thrive in the digital age.
Looking for work in UX Design
Located in Lagos, Nigeria
From €1,000 for UX Design
Worked in Retail (+1)
Speaks English
1-10 members
Duck.design
4.7
(29 reviews)
You need design done. Just get it!
Highly recommended
Top awarded
Your brand designs are too important to be left in the hands of unreliable freelancers or expensive creative agencies. Why not hire an experienced, full-time designer who knows you by name and your brand by heart? Since its creation, Duck.design has been able to capitalize on a number of areas that currently constitute its strength: - Logo, Brand Guide, Style Guide; - Graphic Design; - Web Design; - UI/UX Prototyping; - 3D Design; - Game design; - Explainer Video, 2D Animation, GIF.
1 work in UX Design
Located in Greater London, United Kingdom
From €1,000 for UX Design
Worked in Banking & Financials (+8)
Speaks English
51-200 members
U1CORE
5
(12 reviews)
U1CORE — A product studio for multi-sided platforms. Marketplaces, exchanges, auctions, fundraising
Highly recommended
Top awarded
YOUR PARTNER TO BUILD MULTI-SIDED PLATFORMS $720M moved through one platform we built. Millions of live listings on another. 300+ products shipped. 🔔 Book a free call: https://calendly.com/hello-u1core/30min 🌐 https://www.u1core.com/ What you get We do: the full platform. Multi-role flows, payments, trust & safety, admin tooling, infrastructure that holds at peak load. You get: a product decision-makers trust on first impression, and users who move through it without friction. So you can: grow revenue, close your round, automate operations, and charge a premium. Services Product Design: UI/UX, design systems, prototyping, platform-native patterns for marketplaces, auctions, exchanges, donation flows. Product Engineering: React, Next.js, Vue; Node.js, Python, .NET; mobile, payments, multi-role architecture, admin tooling, DevOps. Discovery & Strategy: cold-start strategy, trust & safety, take-rate modeling, MVP scoping, UX audits. Custom Development: marketing sites and landing pages for platform companies. Why founders pick us One lane. Marketplaces, exchanges, auctions, donation platforms. We already know how products in your category delivered. We lead. We arrive with a point of view, flag what won't work, and explain why. One team, kickoff to launch. The product you ship is the product we built. Twice the pace. Six weeks where others quote three months. $720M+ processed. CSS Design Awards (2× Site of the Day, 4× Best UX, 4× Best UI, 4× Best Innovation, 4× Special Kudos), Orpetron, TOP 10 on Dribbble. 300+ clients, and the ones who matter come back. If your product only works when two sides of a market trust it at the same moment, that's our entire job. Let's talk.
1 work in UX Design
Located in London, United Kingdom
From €5,000 for UX Design
Worked in E-commerce (+15)
Speaks English
11-50 members

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