Top 60 ReactJS Developers in San Francisco

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Top 60 ReactJS Developers in San Francisco

February 2023

Looking for a top ReactJS development company in San Francisco?

Open source JavaScript library ReactJS is known as a simple and flexible way to build user interfaces. Facebook maintains ReactJS and was the impetus behind its creation. 

Jump to Most Reviewed Companies

List of the Best San Francisco React Development Services

  • 1
    • $25,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Clients

    • ClassPass
    • ZEFR
    • Gain Capital (forex.com)
    • Merkle

    Industries

    Notable Project

    iTechArt assisted with the development of a flagship mobile app (iOS and Android), allocating a specialized resource for each platform version. The team now provides QA testing and updates as needed. 

    "iTechArt can scale with us as we grow, and they can do it fast."

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  • 2
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    VT Labs is a full-cycle custom software development company, founded in 2016 in Tallinn, Estonia. They have about 18 employees who serve their clients globally. They provide e-commerce web development, product design, QA, and technology advisory services. Their greatest strengths are Ruby on Rails, headless solutions, and e-commerce web development. They keep scalability a priority, using a headless architecture with Shopify Plus.

    Clients

    • Rokoko
    • Ten Thousand
    • Vesta Sleep
    • JS Dental Lab

    Industries

    Notable Project

    VT Labs developed a team sales website for an athletic wear brand. The platform would simplify wholesale orders while featuring complicated backend needs on the client's Shopify store.

    "The communication was fast and efficient and the team was a pleasure to work with."

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  • 3
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
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    • $25,000+
    • 10 - 49 employees
    • San Francisco, CA

    Founded in 2018, Together is a creative agency. Their team of around 10 employees is based in London. They focus on web development and design and branding.

    Clients

    • Mosaic
    • SeedLegals
    • Amazon
    • Coast

    Industries

    Notable Project

    A financial services company hired Together to provide web development. Their efforts have also included branding tasks, like marketing strategy, color schemes, and copywriting.

    "I genuinely think they're the only design brand I'd recommend."

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  • 4
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Founded in 2012, SF AppWorks is a digital agency that produces innovative technologies for mainly midmarket companies. Based in San Francisco, their team of 50+ specializes in web development, mobile app development, UX/UI design, and custom software development. 

    Clients

    • West Elm
    • AARP
    • Georgetown
    • J Crew

    Industries

    Notable Project

    SF AppWorks provided ongoing development services for a nonprofit organization. The team worked closely throughout the years to deliver web and mobile applications. They provided testing services as well. 

    "SF AppWorks came up with good solutions, taking responsibility for their work."

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  • 5
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • San Francisco, CA

    Launched in 2020, Apex Lab is a software development company. Their small team is based in Tallinn, Estonia and San Francisco, California. Their team offers custom software development, mobile app development, web development, and enterprise app modernization.

    Notable Project

    Apex Lab was hired to develop a web and mobile app that offers online medical consultation services. They migrated its current platform to Twilio, resolved technical issues, and implemented various features.

    "Their team was always ready to help, and they worked in a very transparent way."

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  • 6
    • $100,000+
    • 50 - 249 employees
    • San Francisco, CA

    Kanopi Studios is a strategy, design, and development agency based in San Francisco. Founded in 2010, the team of 33 specializes in web development, web design, and UX/UI design. They focus on business services, non-profits, and consumer products and services.

     

    Clients

    • Stanford University
    • Cohen Veterans Network
    • University of California
    • San Francisco Airport

    Industries

    Notable Project

    Kanopi Studios handled design and development for a new website using UX wireframes, mood boards, and a pattern library. They also migrated existing content and introduced geolocation and scheduling features.

    "Building a website is never easy, but working with people you both respect and like makes a huge difference." 

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  • 7
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA

    Blackstone Studio is a custom software development firm. Their small team is located in San Francisco, California and Guadalajara, Mexico and focuses on custom software development. The firm was launched in 2019.

    Industries

    Notable Project

    Blackstone Studio developed an MVP that could speed up an ad company's billing and invoicing processes in an AWS-based environment. The key deliverables included a codebase, diagrams, and project documentation. 

    "Their work quality was excellent; it exceeded our expectations."

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  • 8
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 10 - 49 employees
    • San Francisco, CA

    This California-based software company has strong expertise in web and mobile app development. The team of less than 50 has worked in various industries, from fitness to healthcare – they’ve done it all.

    Clients

    • Google
    • Nike
    • Adobe
    • Twilio

    Industries

    Notable Project

    Impekable supported development of IoT security solutions. They performed market research, provided front- and back-end development for various prototypes, and revamped a corporate website.

    "Impekable has helped us in every possible way."

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  • 9
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.7
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    • $1,000+
    • 50 - 249 employees
    • San Francisco, CA
    Scrumteams is an Elk Grove, California-based IT staff augmentation company. The midsize firm was established in 2020. Their team provides IT staff augmentation, web design, ux/ui design, IT strategy consulting, and more.

    Clients

    • KPMG
    • RingCentral
    • Aviatrix
    • State University of New York (SUNY)

    Industries

    Notable Project

    Scrumteams has provided staff augmentation services for a digital advertising and media company. They've developed profile reviews, interviews, and screenings and assisted with implementing the designs.

    "The team's growth-driven design approach is a remarkable feature in the workflow."

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  • 10
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA
    QClay Design is a web design company. Headquartered in , California, their small team focuses on web design, mobile app development, digital strategy, mobile & app marketing, and more. The company was established in 2019.

    Clients

    • Google
    • SoftBank
    • a16z
    • Airbnb

    Industries

    Notable Project

    A marketing strategy company has hired QClay to provide UI/UX design. In addition to that, they're doing 3D animation based on the client's guidelines, ideas, and requirements

    ''QClay’s team is fast and has fresh ideas, which is key in the design industry.''

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  • 12
    • $5,000+
    • 10 - 49 employees
    • San Mateo, CA
    Located in San Mateo, California and Beograd, Serbia, Action Engine is a software development firm. They offer custom software development, web development, ux/ui design, mobile app development, and more and were launched in 2017.

    Clients

    • ESRI
    • Foursquare

    Notable Project

    Action Engine built a cloud-based commercial real estate investment software. They wanted an online marketplace to support property developers and investors to manage.

    "They were flexible as our business or requirements had to change."

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  • 13
    • Scheduling

      4.5
    • Quality

      5.0
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • San Francisco, CA

    Midsize IT staff augmentation company Code Power, is in Guaynabo, Puerto Rico. Their services include IT staff augmentation, custom software development, web development, mobile app development, and more.

    Clients

    • Snappt
    • Juked
    • Build
    • Uber

    Industries

    Notable Project

    Code Power was hired by a marketing company to develop a mobile app for their internal staff. The app allows users to schedule daily and weekly calendars for meetings, daily rituals, and tasks.

    "They are passionate about this tool."

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  • 14
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Berkeley, CA

    SpaceBus is a Magento development agency with two locations—one in Berkeley, Calif., and one in Dnipro, Ukraine. Since 2019, their team of 10+ employees provides Magento-based e-commerce development and web development to mid-market and enterprise-level clients.

    Clients

    • Yamaha
    • Yamaha MusicSoft
    • Whitecap
    • 5Below

    Industries

    Notable Project

    An IT outsourcing company partnered with SpaceBus for website development, focusing on improving the front end. 

    "The developer we chose for the project demonstrated efficiency with success."

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  • 15
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Evistep Enterprise is a software company with over 50 experts based in Yerevan, Armenia. Founded in 2010, they specialize in both web and mobile app development for small and mid-market firms. They work with clients from the industries of gaming, real estate, and e-commerce.

    Clients

    • WebWork Time Tracker

    Industries

    Notable Project

    Evistep Enterprise provided IT consulting for a remote job company. The team integrated several complex applications as well as a third-party API.

    "Their level of expertise is amazing."

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  • 16
    • $5,000+
    • 10 - 49 employees
    • San Francisco, CA

    Siddhi Infosoft is a web and mobile app development company based in San Francisco, with a secondary location in Ahmedabad, India. Siddhi Infosoft was founded in 2011 and has 25 employees. Services offered by this company include mobile app development and web development for companing ranging from startups to Fortune 500 brands.

    Clients

    • DizzyDoctor
    • GHN
    • Sylky

    Industries

    Notable Project

    After various projects together, Siddhi Infosoft developed a responsive web platform, abiding by detailed specifications. They created a flexible backend for managing content, customized plugins, and more.

    "We’re very confident about their dependability."

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  • 17
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 2 - 9 employees
    • San Francisco, CA

    Based in San Francisco, Weby Agency is a design, marketing & growth consulting company that was founded in 2017. Their small team of two assists with web design & development, content marketing, and e-commerce development for primarily small businesses. 

    Clients

    • https://puraleafs.com/
    • https://nanopiur.com/
    • https://www.gr8nola.com/
    • https://www.bodyrestore.co

    Industries

    Notable Project

    When COVID-19 hit, a farm-to-table company had to transition their services to retail. Weby Agency revamped their WordPress platform, helping with the design, copywriting, and WooCommerce integration.

    "Several of my customers said the new website was a big improvement."

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  • 18
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 50 - 249 employees
    • San Francisco, CA

    Scalio is a global digital product agency based in San Francisco, with offices in Atlanta and in Orange, Calif. The agency, founded in 2011, has more than 40 employees and provides, among others, web design, UX/UI design, and web development services to midmarket and other companies in various industries. 

    Clients

    • Google
    • Viacom
    • Shell
    • Uber

    Industries

    Notable Project

    Scalio reached out to a mobile solutions provider to offer iOS and Android solutions. The team was in charge of overhauling the company's existing platform into one that's more scalable.

    "From beginning to end project management is fast and transparent."

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  • 19
    • Scheduling

      4.6
    • Quality

      4.9
    • Cost

      4.4
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA

    Galliot is a San Francisco-based software development firm founded in 2018. With an additional office in Montevideo, Uruguay, their 10-man-team develops products for midmarket and enterprise-level clients. While custom software and DevOps are their specialties, they also offer web development and cloud consulting.

    Clients

    • Life science
    • Biopharma
    • Agtech and Energy companies in Bay Area
    • Fintech

    Industries

    Notable Project

    Galliot assisted with cleaning up and organizing the company’s financial data and migrating it all from QuickBooks and Excel sheets to a financial ERP that manages all information in one place.

    "Galliot is responsive."

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  • 20
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA
    Established in 2011, AppTecHub is a large mobile application development company. Their team offers mobile app development, web development, and custom software development. The agency is located in San Francisco, California.

    Industries

    Notable Project

    A custom carwash and design company hired AppTecHub to develop web and mobile apps. They created a custom CRM platform which they currently support and maintain.

    "They've made my work much easier in developing the app and addressing my issues."

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  • 21
    • $10,000+
    • 10 - 49 employees
    • Oakland, CA

    Reverence Global is a marketing and development firm based in Oakland, Calif. with more than 10 experts. They have offered marketing strategy, UX/UI design, and SEO solutions since their founding in 2020. They work with clients ranging from startups to large firms.

    Clients

    • Good Radiance Inc.

    Industries

    Notable Project

    Reverence Global redesigned a WordPress website and developed a variety of branding materials including an e-book, brochures, packaging, and more. They are in talks to provide similar services in the future.

    "I’m very happy with how they helped me. Sometimes I had very urgent issues, and they got into the website quickly."

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  • 22
    • Scheduling

      4.8
    • Quality

      4.5
    • Cost

      4.3
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Foster City, CA
    Software development firm MugCo was founded in 2020. The small Pleasanton, California-based team specializes in custom software development, e-commerce development, web development, cloud consulting & SI, and more.

    Notable Project

    MUGCO augmented their internal staff to provide offshore services for a construction logistics platform. They use the client's provided job description to look for qualified contractors. 

    "We admire the level of support to not only find candidates but also support us throughout the engagement."

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  • 23
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Website development firm Bytex Technologies was launched in 2015. Their midsize team is located in Iași, Romania and San Francisco, California. Their services include web development, application testing, enterprise app modernization, custom software development, and more.

    Industries

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  • 24
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Five Jars, a web development firm, was established in 2017. Their small team is in Dover, Delaware and Kyiv, Ukraine. Their services include web development, custom software development, and web design.

    Clients

    • George Washington’s Mount Vernon
    • YMCA of the North
    • Council for Exceptional Children
    • YMCA of Greater Brandywine

    Industries

    Notable Project

    Five Jars developed a youth organization’s Drupal website from scratch. Users can register for classes and buy products through the site. They’re currently providing site maintenance and ad hoc tech support.

    "We’ve been very happy with them; they’re one of my best decisions as a chief strategy officer."

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  • 25
    • $100,000+
    • 50 - 249 employees
    • San Francisco, CA
    Carbon Five is a software development firm. Established in 2000, the midsize company is located in San Francisco, California; Santa Monica, California; Chattanooga, Tennessee and New York, New York. Their services include custom software development, mobile app development, web development, web design, and more.

    Industries

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  • 26
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • San Francisco, CA

    GeekyAnts is a mobile app development company that's headquartered in Bangalore, India; they also have a London office. They were founded in 2006 and have about 59 employees that provide services for mobile app development, web development, and UX/UI design services to clients of all sizes in a wide array of industries. 

    Clients

    • Google LLC
    • Siveco Romania
    • ChildMind Institute
    • Tellius

    Industries

    Notable Project

    GeekyAnts was hired by an EdTech company to improve their mobile app using React. They built the app,  improved its UI/UX design, and provided API access and documentation.

    "The app was successfully finished and launched on iOS and Android stores."

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  • 27
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 10 - 49 employees
    • Redwood City, CA

    Accelerance is a small IT strategy consulting company. The Redwood City, California-based firm was established in 2001. Their services include IT strategy consulting, custom software development, IT staff augmentation, enterprise app modernization, and more.

    Clients

    • Acrowire
    • Find.com
    • MediaPro
    • AdRoll

    Industries

    Notable Project

    A content software management company needed to hire software engineers, automation test engineers, and product owners to expand their system. They hired Accelerance because of their reputation in the field.

    "Their level of customer service is impressive."

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  • 28
    • $100,000+
    • 10 - 49 employees
    • San Francisco, CA

    Flatirons Development is a UX/UI product design and software development consultancy, founded in 2018. They employ seven staff in their office in Boulder, Colo., where they focus primarily on product management and strategy, UI and UX design, web development, and native mobile app development. They work with a range of small, midmarket and global companies.

    Clients

    • Abbott
    • Osmosis
    • Zeta
    • Nomad Health

    Industries

    Notable Project

    Flatirons Development has been hired to create an MVP for a SaaS startup. They've put together a Jira roadmap and are working in two-week sprints.

    "I can tell that they care about the quality of our product."

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  • 29
    • $5,000+
    • 10 - 49 employees
    • Oakland, CA
    LimeTech is an application development firm established in 2006. Located in Oakland, California and Boston, Massachusetts, their small team specializes in mobile app development, web development, IT strategy consulting, ux/ui design, and more.

    Industries

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  • 30
    • $1,000+
    • 2 - 9 employees
    • San Francisco, CA
    Bloossom.com, an e-commerce development firm, was established in 2020. The agency offers e-commerce development and web development and has a small team.

    Industries

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