Top 100 JavaScript Development Companies in San Francisco

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Top 100 JavaScript Development Companies in San Francisco

September 2022

Looking for a top JavaScript developer in San Francisco?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. 

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List of the Best San Francisco JavaScript Developers

  • 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 Group helped a software company develop a complex system with various cloud components from scratch. The team initially discussed the product information, specifications, and implementation process. 

    "The flexibility and ability to staff unique needs on a very tight timeline were world-class."

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  • 2
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • San Francisco, CA

    ArcTouch was founded in 2008 and has offices in San Francisco, Calif., New York, and Florianópolis, Brazil. They excel at app development, blockchain, and UX/UI design. They guide their enterprise clients through the app building process by defining a strategy for the best user experience, planning the visual design, developing and testing the prototype, and ensuring optimization and growth.

    Industries

    Notable Project

    ArcTouch was directly involved in creating a mobile app for a luxury electric vehicle automaker. They aimed to integrate their products with IoT assistants such as Apple Watch, Siri, and Google assistant. 

    "They also cared about their work quality and often gave great suggestions on improving our UX."

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  • 3
    • Scheduling

      4.8
    • Quality

      4.8
    • 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 helped a university organization build a cost-of-care calculator for Alzheimer’s patients. The custom solution draws from different databases to help users model the true cost of providing care.

    "They’re incredibly creative and client-focused."

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  • 4
    • $25,000+
    • 10 - 49 employees
    • San Francisco, CA

    ProductCrafters is a software development company based in Khmelnitsky, Ukraine. Their team of fewer than 10 employees provides custom software, web, and mobile app development services. The company was founded in 2016.

    Clients

    • BeautyAdvisor
    • Raisal
    • ProcessBoard
    • LTC Consulting

    Industries

    Notable Project

    A financial institution hired ProductCrafters to provide custom software development. They work collaboratively with the client's team to develop new ideas and pioneer new concepts to their existing projects.

    "They don’t feel like a hired contractor; they’re part of our team."

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  • 5
    • Scheduling

      4.5
    • Quality

      4.6
    • Cost

      4.2
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

    Clients

    • Toptal clients include J.P. Morgan
    • Zendesk
    • Artsy
    • IDEO

    Industries

    Notable Project

    Toptal provided a senior software development resource to the client. They worked to build an online news terminal from scratch using WordPress, React, and AWS.  

    "It was a big success."

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  • 6
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • San Francisco, CA

    Cylogy Inc. Is a website development firm. They are located in San Francisco, California and have a small team that provides web development, application management & support, digital strategy, IT strategy consulting, and more. The company was founded in 2001.

    Industries

    Notable Project

    Cylogy Inc. helped a mobile communications tech provider design and develop a website. They were actively involved in architecture, HTML/CSS production, plug-ins, content migration, QA testing, and launching.

    "They had excellent customer service."

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  • 7
    • $10,000+
    • 2 - 9 employees
    • Oakland, CA

    State Creative is a web design and development company located in Oakland, CA. Founded in 2000, State Creative's team of nearly 10 employees also offer e-commerce development. They serve small and mid-market businesses in the business services, finance, and consumer products industries.

    Clients

    • MarsVenus
    • Pinnacle Claims Management
    • Sakura of America
    • Sakura of America

    Industries

    Notable Project

    State Creative provided web development services for an engineering firm. They helped build, design, and launch a new website from scratch using WordPress as the platform.

    "They were very organized."

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  • 8
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

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

    AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

    Clients

    • HP
    • Lenovo
    • CVS
    • Chevron

    Industries

    Notable Project

    Airdev was hired by a business services startup to build an MVP of their product. Development was completed using Bubble, and Airdev created both the client-facing and administrative sides of the platform. 

    "Airdev built out the MVP for my business - so it was essential for launching it."

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  • 9
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Plavno, a website development firm, is based in Nur - Sultan, Kazakhstan. They offer web development, mobile app development, and blockchain and were founded in 2007.

    Clients

    • Mercedes, Xerox, Kia, eBay, PayPal, Amazon , IBM, Bank, Mediacube

    Industries

    Notable Project

    Plavno has developed a web application for a product development company. They’ve built a 3D configurator that allows clients to design a unique final product by choosing colors, materials, and other options.

    “They really understand what we need. They’re very professional.”

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  • 10
    • $25,000+
    • 10 - 49 employees
    • Sausalito, CA

    Watson Creative is a research-based creative studio located in Portland and founded in 2008. They comprise 27 employees specializing in digital strategy and design and brand storytelling for various companies, from startups to venture capitalists, in a number of industries, including IT, lifestyle, finance, the arts, legal, dental, and consumer products. Services include brand strategy and DNA, website design, UX/UI, graphic design, content marketing, photography, video, and e-commerce.

    Clients

    • Nike
    • KingPins
    • Umpqua Bank
    • New York Yankees

    Industries

    Notable Project

    Watson Creative developed a website for a business consulting firm, including design and implementation. They were hired through referrals.

    "Their knowledge, relationship-building, listening skills, and creative design work were phenomenal."

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  • 11
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Headquartered in San Francisco, Wizeline is a global technology services provider with delivery centers in Mexico, Colombia, Spain, and Vietnam. Since its founding in 2014, Wizeline has grown to over 1,300 employees specializing in product/platform development, UX design, data & AI, cloud & DevOps, and product evolution services.

    Clients

    • Fitz Frames
    • AirAsia
    • Arc XP
    • Car Rental Company (CRC)

    Notable Project

    Wizeline was hired to develop a web dashboard that displays user-friendly, behavioral data. The team used a requirement document and mockups to build the dashboard. 

    "The salesperson acted as an attentive project manager."

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  • 13
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Oakland, CA

    Kalamuna is a web development and design agency founded in 2012. They have 15 employees based in their Oakland, Calif. office. The bulk of their services focus on full-service web development, from visual design to server-side operations. Kalamuna also offers custom software development and digital strategy consulting.

    Clients

    • American Foundation for the Blind
    • Fair Trade USA
    • Smithsonian Institution
    • Environmental Defense Fund

    Industries

    Notable Project

    Kalamuna redesigned the website of a research center. They improved the site’s UX/UI and usability, making it easier to update and edit. They provided a two-week warranty after the site’s launch.

    “It felt like we could trust their expertise and ability to deliver.”

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  • 14
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.6
    • NPS

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

    Tivix is a digital product development and design company headquartered in San Francisco, with offices across the US, UK, and Europe. Founded in 2008, they have over 90 employees who serve startup, midmarket, and enterprise clients across diverse industries such as FinTech, health care, manufacturing, government, and nonprofit. Tivix reduces engineering risk for clients by offering rapid time-to-market while delivering standards-based code that can be transitioned to an internal team at any time. Their focus is building both internal and consumer-facing digital products that drive business growth. Services include product management, UX/UI design, full-stack software engineering, and DevOps

    Clients

    • NATO
    • Apple
    • United Nations
    • Zoetis

    Industries

    Notable Project

    Tivix supported a software development project’s design phase for a device testing company. They mapped out requirements, gathered user stories, and produced data structures.

    "They were always on top of the engagement’s progress, and they always checked our availability."

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  • 15
    • 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

    A pet software company collaborated with Apex Lab for mobile app development and maintenance. The team helped define the project scope, build cross-platform in React Native, integrate Stream Chat, and more. 

    "They were passionate about the work, and they were full of ideas."

    Visit Site
  • 16
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $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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  • 17
    • $50,000+
    • 10 - 49 employees
    • San Rafael, CA

    A development company founded in 2005, Infinite Red, Inc. is based in Vancouver, Wash. Their team of fewer than 50 works in additional offices in San Rafael, Calif., servicing small to midmarket businesses. They offer web and mobile app development as well as web and UX/UI design services.

    Clients

    • Microsoft
    • Amazon
    • SquareSpace
    • BlueJeans

    Notable Project

    Infinite Red, Inc. is developing the mobile application for an event-planning buyer and seller platform. They built static pages as well as messaging, payment, and profile functionality on iOS and Android.

    “The sheer amount of communication impressed me right from the start of our work together.”

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  • 18
    • $50,000+
    • 10 - 49 employees
    • San Francisco, CA

    Dayspring Technologies is a custom software and web development firm founded in 1997. They have just under 30 employees based in their San Francisco office. Much of their work focuses on custom software development for in-house platforms, but they also build client-side web apps, user interfaces, and e-commerce platforms.

    Clients

    • American Red Cross
    • BSN Sports
    • Fund for Shared Insight
    • Golden State Warriors

    Industries

    Notable Project

    Dayspring Partners (formerly Dayspring Technologies) is redesigning a community college’s career services pages to improve user flows. They refined the layout, added new pages, and incorporated attractive visuals.

    "I’m impressed with their creativity and recommendations."

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  • 19
    • 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 was hired to build a completely custom platform for an educational and brand fundraising marketplace. They provided a Magento site with some login capabilities. This review includes the vendor's response.

    “They missed deadlines and offered only band-aid solutions to the problems the platform had.”

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  • 20
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 2 - 9 employees
    • Oakland, CA

    HyperArts is a website design and development company based in San Francisco, CA. HyperArts' intimate team of nearly 10 people specializes in website design, development, and maintenance, as well as UX/UI design for WordPress and Drupal sites. They mainly serve small business clients.

    Clients

    • Crossroads Trading Co.
    • Autodesk
    • Eventbrite
    • Crossroads Trading Co.

    Industries

    Notable Project

    HyperArts developed a WordPress site and complex backend database for a hospital quality and patient safety consultancy. The database gathers content from several sources to create a compendium on the site.

    “They came through for us every time and were excellent at meeting last-minute deadlines.”

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  • 21
    • $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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  • 22
    • $5,000+
    • 10 - 49 employees
    • San Francisco, CA

    Thomas Digital Web Design is a web design agency based in San Francisco. The agency, founded in 2010, is a team of less than ten that provides web design, web development, and SEO services to small and midmarket companies.

    Clients

    • California Olive Ranch
    • Zircon Tools
    • Association of Montessori International
    • Cloudleaf

    Industries

    Notable Project

    Thomas Digital built a legal services website, designing it to be SEO-optimized. Based on the internal team's input, they created content that would best serve the target audience and worked to attract readers.

    "I feel like I got excellent value and that they did everything they promised."

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  • 23
    • $5,000+
    • 2 - 9 employees
    • San Mateo, CA

    Cider is a software development company located in San Francisco. Founded in 2015, their 5 employees provide software development, marketing, and web design services to ecommerce clients. 

    Clients

    • HP
    • Procter & Gamble
    • Nike
    • and other. Case studies can be found here: https://bit.ly/2VY1XiJ .

    Industries

    Notable Project

    Cidersoft - Web Design & Development was hired by a coaching consultancy to upgrade their site. They developed and implemented new functionalities into the client's site and provided site maintenance support.

    "The brand book that they developed for us was impressive."

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  • 24
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA

    Grio is a software consulting firm based in San Francisco, Calif, that was established in 2008. Their team of 50 employees offers web development, mobile app development, and UX/UI design services.

    Clients

    • Rivals.com
    • Fitbit
    • Texture
    • Neustar

    Industries

    Notable Project

    Grio developed a website for a lighting design and manufacturing firm to showcase their products. They linked the site to a Shopify store. The team continues to provide web support and consulting services.

    “Grio has provided a great support system.”

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  • 25
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Orinda, CA

    Based out of Orinda, CA with satellite offices in India and Croatia, Daxima is a software development company. The team of more than 50 employees has been in business since 2003. They provide web, software, and mobile app development for clients around the world.

    Clients

    • T-Mobile US
    • Cisco Systems
    • Savi Technology
    • Berry Appleman & Leiden

    Industries

    Notable Project

    Daxima helped develop and implement a more robust client management system, capable of data aggregation, external program integrations, widespread use, and business growth.

    "If the team didn’t have an answer, they’d get back to us, and do it quickly. We were never left hanging."

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  • 26
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA

    Camp Creative is a digital marketing and branding agency headquartered in Berkeley, Calif., with another office in Bend, Ore. With a team of around 20, Camp Creative specializes in web design, graphic design, and UX/UI design.With Camp Creative's help, sales increased.

    Clients

    • ABB
    • Adobe
    • Bay Alarm
    • Bayer Healthcare

    Industries

    Notable Project

    Camp Creative provides marketing services including video production, SEO and PPC, and logo design. They’re currently building a marketing campaign and allocating funds for a startup nearing its launch.

    "Thankfully, Camp Creative combines conceptual design with extraordinarily professional execution." 

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  • 27
    • Scheduling

      5.0
    • Quality

      4.9
    • 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

    SpaceBus helped an IT company with some developments needed for their project. The team also helped with the project testing and stabilization before the deployment stage.

    "I liked the result-oriented approach of the team."

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  • 28
    • $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 developed a website for a mobile game design agency. The team built and designed the website as well as providing app and game development services.

    "The attention to detail and quick responsiveness impressed us."

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  • 29
    • Scheduling

      4.8
    • Quality

      4.7
    • 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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  • 30
    • Scheduling

      4.6
    • Quality

      4.7
    • 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 is tasked with developing a web application for a sustainability consulting firm. Using Airtable and Retool, they build a simple data flow and design and test the application.

    "We are impressed by how fast the team can learn new topics and incorporate them into the final product."

    Visit Site

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