119
Last updated 11 August, 2025

Top React.JS Development Companies in California

List of Best React.JS Developers in California

119 Companies | Last Updated 04 March, 2026

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

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

Gilbert

"From start to finish, everything was done in a proper manner, and the result was delivered on time."

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Closeloop Technologies

Bringing Awesome Ideas to Life

Working diligently in the world of technology to assist firms, enterprises, and organizations around the globe to manage business operations more efficiently and effectively, Closeloop has been in operations…Explore the detailed profile of Closeloop Technologies

Adrian

We achieved remarkable outcomes due to their constant efforts.

  • 51 to 250

  • $26 - $50

  • $50001 - $100000

  • California, USA

Digital Gravity Agency

Digital Marketing, Website Development & Mobile App Development

Digital Gravity Agency is a leading web design agency based in the United States, dedicated to empowering companies to excel in the digital realm. As a web design firm, our primary goal is to identify…Explore the detailed profile of Digital Gravity Agency

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

Plavno

(1 Reviews)

✅ Get ahead of the competition with our team of industry

Plavno is a premier software development house with over 15 years of experience and a highly qualified team of experts in your industry. Fully-fledged teams of specialists cover…Explore the detailed profile of Plavno

Aleksandr

LMS Platform & Mobile App Dev for Online Music School

  • 51 to 250

  • $26 - $50

  • $25001 - $50000

  • California, USA

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

CIGNEX

Driving Digital Transformation

CIGNEX is a global consulting company offering solutions, services and platforms on Open Source, Cloud and Automation technologies. Since 2000, CIGNEX has been delivering enterprise class solutions, which…Explore the detailed profile of CIGNEX

  • 251 to 1000

  • $26 - $50

  • $5001 - $10000

  • California, USA

Vention

(3 Reviews)

Built to scale

Vention, the global leader in software engineering, partners with tech enterprises and startups worldwide, offering access to a network of 3,000+ top engineers. With expertise spanning over two decades,…Explore the detailed profile of Vention

AJ

They proved to be effective and proactive both in daily communication and in handling complex tasks!

  • 1000+

  • $51 - $100

  • $50001 - $100000

  • California, USA

24 Twelve Digital Marketing

Elevate Your Digital Presence, Ignite Your Success!

We are a team of passionate and experienced professionals who are dedicated to helping businesses succeed in the digital world. Our goal is to help our clients achieve their online marketing objectives…Explore the detailed profile of 24 Twelve Digital Marketing

  • 2 to 10

  • Up to $25

  • Less than - $5000

  • California, USA

Voxturr

New-Age Businesses Need a New-Age Mindset

Voxturr was initiated by passionate youngsters and has grown from a two-men-army operating out of an apartment in 2018 to a family of 20+ growth professionals in a span of 2 years. We are now an extended…Explore the detailed profile of Voxturr

  • 11 to 50

  • $51 - $100

  • $10001 - $25000

  • California, USA

Babbage and Turing

We develop software on VisionOS, Custom AI, React Native,

We provide AI consulting & develop custom software for VisionOS, Oculus, Web3, Metaverse, React Native, ReactJS, NodeJS, WebRTC, threeJS, & 3D applications. We are among the top and first VisionOS…Explore the detailed profile of Babbage and Turing

  • 11 to 50

  • $26 - $50

  • $10001 - $25000

  • California, USA

AlphaBOLD

Top Microsoft Dynamics CRM & NetSuite Alliance Partner

AlphaBOLD is a global leader in next-generation business transformation and consulting. We enable clients all over US to navigate their digital transformation. With collectively three decades of experience…Explore the detailed profile of AlphaBOLD

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

BitsWits

Where Exceptional Apps are Just the Beginning.

Introducing BitsWits: Custom Software & App Development Company At BitsWits, we don’t just have the business of developing software, apps, and websites; We are in the business of turning…Explore the detailed profile of BitsWits

  • 51 to 250

  • $26 - $50

  • $25001 - $50000

  • California, USA

Kodexo Labs

Create - Inspire - Deliver

Kodexo Labs | AI, Custom Software & Mobile App Development Company At Kodexo Labs, we craft intelligent digital solutions that empower businesses to innovate, scale, and lead in an ever-evolving digital…Explore the detailed profile of Kodexo Labs

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA



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