89
Last updated 11 August, 2025

Top UI Design Companies in California

List of Best UI Design Agencies in California

89 Companies | Last Updated 03 February, 2026

SDLC Corp

(5 Reviews)

Your Technology Partner

SDLC Corp is a software development company founded in 2015 and headquartered in San Francisco, California, United States. The company operates with a global delivery presence across the USA, UK, UAE,…Explore the detailed profile of SDLC Corp

Toni

Flawless Execution from Start to Finish!

  • 251 to 1000

  • $26 - $50

  • $10001 - $25000

  • California, USA

Softjourn

People have infinite ideas, Softjourn gives them life!

Softjourn is a full-cycle consulting and software development company, with expert product teams experienced in Fintech, Media & Entertainment, with a special emphasis on Ticketing. Headquartered…Explore the detailed profile of Softjourn

  • 251 to 1000

  • $51 - $100

  • $25001 - $50000

  • California, USA

Logicspice Software

Commitment to Deliver Performance

Logicspice is the trustable and reliable IT company, offering customized ready-to-install software scripts and a dedicated team of mobile app developers and web developers. The company provides cost-effective…Explore the detailed profile of Logicspice Software

  • 11 to 50

  • Up to $25

  • Less than - $5000

  • California, USA

CMARIX

(9 Reviews)

Envision • Leverage • Infinite

CMARIX is a leading technology outsourcing company. With a team of 228+ in-house experts, CMARIX is working with clients across 46 countries globally and have tailored 1100+ Web & 290+ Mobile applications…Explore the detailed profile of CMARIX

Hiroto

Thank you CMARIX for Web and App for Education Portal

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

AllianceTek Inc.

(2 Reviews)

Empowering IT Solutions

Custom software, web development and IT business solutions provider company US, 18+ years’ experience in building mobile, cloud & web solutions. AllianceTek provides onshore client service and…Explore the detailed profile of AllianceTek Inc.

Lori

Their team ensured a solid project management experience.

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

  Parangat has the satisfaction of being one of the leading names in the enterprise-level app development space with complete authority in integrating people, processes, and products by providing…Explore the detailed profile of Parangat Technologies

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Staylime

Ecommerce design & development company

Staylime is a design and development company that delivers ecommerce solutions to companies of all sizes, providing end users with engaging omnichannel shopping experience. Whether you need to develop…Explore the detailed profile of Staylime

  • 11 to 50

  • $51 - $100

  • $5001 - $10000

  • California, USA

inVerita

(1 Reviews)

Your Trusted Software and Data Partner for AI Era

inVerita is a global custom software, AI, and data engineering company specializing in building complex, secure, and scalable digital products. With deep expertise across healthcare, fintech,…Explore the detailed profile of inVerita

EE

We loved working with inVeritaSoft!

  • 51 to 250

  • $51 - $100

  • $25001 - $50000

  • California, USA

Appventurez

Bridging the Gap Between Ideas & Reality

Appventurez is a leading Mobile App Development Company which was established with a motto of imparting end-to-end technology-oriented services to all large and small businesses with a goal of enhancing…Explore the detailed profile of Appventurez

  • 51 to 250

  • Up to $25

  • $25001 - $50000

  • California, USA

MagmaLabs

Nearshore Product Development and Staff Aug

MagmaLabs is a nearshore software consultancy that helps startups and enterprises build scalable digital products using Ruby on Rails, ReactJS, React Native, Node.js, Python, Java, Solidus, Shopify, and…Explore the detailed profile of MagmaLabs

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Phenomenon Studio

(12 Reviews)

$500M+ raised. 35%↑ in CRO. Wins we helped deliver

  Phenomenon is a design and development company building market-winning solutions for Healthcare, SaaS, FinTech, and EdTech. From concept to launch, we apply research, metrics & analytics to…Explore the detailed profile of Phenomenon Studio

Taulant

They demonstrated timely delivery

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

SynergyTop Inc

Driving Synergy, Assuring Growth

Synergytop Inc is a top development company that delivers bespoke software solutions and winning results for all your business needs.Our certified digital and domain experts provide custom digital solutions…Explore the detailed profile of SynergyTop Inc

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

AppsNation

Top Mobile App Development Company | USA

Apps Solutions for Every Nation Welcome to AppsNation, the USA's leading mobile app development company based in Los Angeles. We specialize in iOS, Android, IoT, AR/VR, gaming, cross-platform, wearables,…Explore the detailed profile of AppsNation

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Infinite Digital Group

Top Digital Agency in USA

With an unwavering commitment to excellence, we have cemented our position as the go-to agency for innovative and groundbreaking solutions. At IDG, we possess a definite belief in the power of brand elevation…Explore the detailed profile of Infinite Digital Group

  • 11 to 50

  • $51 - $100

  • Less than - $5000

  • California, USA

Azarian Growth Agency

Empowering businesses to scale by building data-driven

Azarian Growth Agency is a full-funnel growth agency specializing in delivering tailored growth strategies for businesses across various industries. In six years, Azarian Growth Agency has raised…Explore the detailed profile of Azarian Growth Agency

  • 11 to 50

  • $101 - $150

  • $25001 - $50000

  • California, USA

Zazz

(10 Reviews)

Crafting Memorable Digital Experience

At Zazz, we aid your business to stay ahead of the curve by developing the necessary tech eco-system.   We excel in delivering mobile, web & custom software development solutions.…Explore the detailed profile of Zazz

Charles

The project was completed on schedule, and the final designs exceeded our expectations!

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Horus Studio

(10 Reviews)

Top Global Mobile Development Studio

We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform. Established in 2018, we have been committed to cultivating…Explore the detailed profile of Horus Studio

Anonymous

We highly recommend Horus for any app development or migration needs.

  • 11 to 50

  • $26 - $50

  • $10001 - $25000

  • California, USA

App On Radar

mobile app development, mobile app development company,

Unlock your app's potential with App On Radar's award-winning mobile app design and development services. From iPhone to Android, we create seamless experiences tailored to your brand. Our expertise…Explore the detailed profile of App On Radar

  • 51 to 250

  • Up to $25

  • $5001 - $10000

  • California, USA

Interactive design

High-converting design for startups. Reliable, Flexible,

Introducing Interactive Design studio: Your Trusted Partner for Cutting-Edge Web and Mobile Solutions Discover Interactive Design, an innovative company specializing in design, branding, and development…Explore the detailed profile of Interactive design

  • 11 to 50

  • $26 - $50

  • $5001 - $10000

  • California, USA



Other Related Services in California



Popular Agencies By Other Locations for UI Companies

 Filter Return to List