Top 100 JavaScript Development Companies in Los Angeles

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Top 100 JavaScript Development Companies in Los Angeles

February 2023

Looking for a top JavaScript developer in Los Angeles?

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. 

Jump to Most Reviewed Companies

List of the Best Los Angeles JavaScript Developers

  • 121
    • Scheduling

      4.8
    • Quality

      5.0
    • Cost

      4.8
    • NPS

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

    JMA, Inc is an IT solutions consultancy based in Plano, Texas, with offices in Santa Ana, Calif. and Novi Sad, Serbia. Founded in 2014, the team of less than 50 specializes in web development, web design, and UX/UI design. They work primarily with small business clients in the automotive and advertising and marketing industries.

    Clients

    • Toyota
    • Mazda
    • Word and Brown
    • Epson

    Industries

    Notable Project

    JMA, Inc built a tool to generate HTML pages for a third-party SEO project. The solution, which was compatible for Mac and Windows, outputted XML files into the TeamSite CMS.

    "They delivered an alternative solution that was better and more cost-effective than any other we considered."

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  • 122
    • Scheduling

      4.5
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Garden Grove, CA
    Tech Town is a custom software development firm. Launched in 2021, the small agency is headquartered in Ho Chi Minh City, Vietnam and Garden Grove, California. Their team offers custom software development, blockchain, web development, mobile app development, and more.

    Industries

    Notable Project

    Tech Town developed a website for an education and training organization. They also integrated a CRM and CMS system using various tools, including Ruby on Rails, Node.js, and React.

    "Products are always completed and delivered on time or earlier than expected."

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  • 123
    • $10,000+
    • 2 - 9 employees
    • Calabasas, CA

    Clap Creative is a technology firm based in Thousand Oaks, Calif. Founded in 2014, Clap Creative and their team of about 5 provides web design, web development, SEO, and e-commerce development services, primarily to small businesses in the business services sector. 

    Clients

    • Rockstar Games
    • The Trade Desk
    • Good Year

    Industries

    Notable Project

    Clap Creative provides continuous support for a wholesale distribution company's website. Their scope of work includes the creation of static banners, mobile apps, and custom coding. 

    "They are very good communicators."

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  • 124
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 50 - 249 employees
    • Orange, 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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  • 125
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

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

    GoldenComm is a full-service digital agency based in Newport Beach, Calif. They were founded in 1996 and have a team of 55 employees. They specialize in web development, PPC, and digital strategy to tackle technical challenges for B2B and B2C clients.

    Clients

    • LeadLander
    • Ingram Micro
    • Shop BMA
    • Brand New Day

    Industries

    Notable Project

    GoldenComm developed a new website based on wireframes. Other services included integrating a CRM system with a sales form and then creating a sales calculator. The solution has launched.

    "They were a pleasure to work with."

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  • 126
    • $100,000+
    • 10 - 49 employees
    • Tustin, CA

    UpTech Works is a mobile application development company. Their small team is located in Millbrae, California. The firm offers mobile app development, custom software development, and web development. The firm was founded in 2016.

    Clients

    • UNest
    • Invoy
    • Float
    • Prism Labs

    Industries

    Notable Project

    Uptech Studio designed and developed native mobile apps for a credit company. They worked on the front- and backend, product testing, ads integration, and many other development tasks.

    "The Uptech Studio team was thorough and very easy to work with."

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  • 127
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      5.0
    • NPS

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

    NOVVUM is a software development agency based in Irvine, Calif. Since 2014, their team of 14 has specialized in mobile app development, web development, UX/UI design, market research, and marketing strategy services.

    Clients

    • SnapChat
    • HyreCar IPO
    • Passport Brand Design
    • Crashlabs Llc

    Industries

    Notable Project

    Novvum worked with a startup to develop an MVP software platform using an existing wireframe design with the goal of turning it into a viable business.

    "They’re very good at taking an idea and bringing that idea to something that’s real and that I can actually touch."

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  • 128
    • $5,000+
    • 10 - 49 employees
    • Anaheim, CA

    Webstract Marketing is a LA-based digital marketing agency founded in 2011. Their team of approximately 10 employees primarily serves small businesses. Although they specialize in SEO and web design, they also provide other forms of web marketing. They're particularly proficient in PHP.

    Notable Project

    Webstract Marketing provided several marketing services for a company. The team conducted SEO and PPC campaigns as well as web design and development to promote the client's brand and increase their revenue.

    "We didn't have to learn or use any special software to communicate with them which is nice."

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  • 129
    • $10,000+
    • 10 - 49 employees
    • Anaheim, CA

    Based in Anaheim, California, Reinforce Global is a custom software development company. They provide custom software development, application management & support, mobile app development, and web development and were launched in 2019.

    Industries

    Notable Project

    A yoga studio hired Reinforce Global to develop a website within their chosen sample. 

    "They completed my project in time and it was outstanding."

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  • 130
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      5.0
    • NPS

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

    Wve Labs is an end-to-end mobile and web app company based in Los Angeles with offices in Chicago, Dallas, and New York. Founded in 2015, this 50+ firm welcomes projects of any scope and difficulty.

    Clients

    • Sony Entertainment
    • Honda
    • Maui Jim
    • Puff Count

    Industries

    Notable Project

    Wve Labs built a mobile app platform from scratch for a major university networking platform with thousands of users.

    "Because of Wve, Pairi is able to exist for an affordable and reasonable price."

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  • 131
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

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

    Babel Agency is a communication and brand experience agency located in Bursa, Turkey and established in 2009. With over 10 employees, they tackled a wide spectrum of services, including web design, branding, and advertising. Their core clientele consists of small businesses in the manufacturing industry.

    Clients

    • Latro
    • Öge-Pipsan
    • ECS Solenoid
    • Integrated Finance

    Industries

    Notable Project

    Babel Agency provided branding and a corporate identity design process. They conducted an industry analysis and created a logo.

    "The team works non stop until the project is finished and the customer is satisfied."

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  • 132
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

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

    Based in Newport Beach, CA, KWALL is a web development and design firm. Founded in 2008, the agency has over 20 experts in web development and design.

    Clients

    • ASU
    • Cal State Universitites
    • Florida State University
    • SUNY School system

    Industries

    Notable Project

    KWALL redesigned the UI/UX of an e-commerce site on Drupal, adding unique URLs for each product. The team was also responsible for organic SEO and helped set up an email system.

    "The project management went smoothly, and everything was pretty simple."

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  • 133
    • $25,000+
    • 50 - 249 employees
    • Santa Clarita, CA

    Founded in 2010, Advancio is a custom software development company. The agency provides custom software development, IT staff augmentation, non-voice bpo/back office services, enterprise app modernization, and more and has a midsize team.

    Industries

    Notable Project

    Advancio Inc provides development and QA services for an energy development company to build an onsite energy platform. The team does manual and automated tests. They also work on improving the firm's software.

    "Their full stack engineer has grown exponentially with gracious professionalism and technical aptitude."

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  • 134
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 250 - 999 employees
    • Irvine, CA

    Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

    Clients

    • Splunk
    • Tommy Car Wash Systems
    • ScoutUS Pro
    • Logitech

    Industries

    Notable Project

    Vincit helped a technology startup develop the first version of their iOS and Android mobile app using GitHub and Google Cloud. Their scope included UI/UX design, API development, and app testing and support.

    “Vincit’s customer care and depth of knowledge were impressive.”

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  • 135
    • $25,000+
    • 10 - 49 employees
    • Irvine, CA

    Digital Solutions is a Newport Beach, California-based user experience design agency. The small company was launched in 2016. Their team provides ux/ui design, custom software development, web development, mobile app development, and more.

    Industries

    Notable Project

    Digital Solutions built the frontend of a website and designed graphics, among other features. They continue to provide support.

    "The depth of creativity in how quickly everything was completed."

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  • 136
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 2 - 9 employees
    • Costa Mesa, CA

    Founded in 2012, Tepia Co is a mobile and web app development collective established in Costa Mesa, CA. This 2+ team offers 30+ years of tech expertise and experience in digital solutions.

    Industries

    Notable Project

    Tepia Co built custom software for a permit company. They developed a dashboard that the client’s customers can utilize to submit projects and keep track of their progress.

    "Tepia Co performed well from a project management standpoint."

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  • 137
    • $5,000+
    • 10 - 49 employees
    • Santa Ana, CA

    MAB Digital Marketing Agency, a SEO company, was launched in 2002. Their small team is in Santa Ana, California. Their services include search engine optimization, digital strategy, web development, social media marketing, and more.

    Industries

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  • 138
    • $1,000+
    • 250 - 999 employees
    • Santa Clarita, CA

    Ojas is an IT services company based in Hyderabad, India, with an office in Valencia, Calif. The company, founded in 2011, has more than 500 employees and provides web development, mobile app development, UX/UI design, IT staff augmentation, and application testing services. Ojas serves small and midmarket companies in various industries that include financial services, IT, and health care & medical. 

    Clients

    • Tech Mahindra
    • Cozillio Technologies
    • InfusionSoft Inc
    • Sepa Cyber Technologies

    Industries

    Notable Project

    Ojas Innovative Technologies Pvt Ltd provides ongoing development services to support a web app project. They assist with data migration, software testing, architecture, and BPMN development.

    "Their ability to take up challenges and their dedication to the work are impressive."

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  • 139
    • $5,000+
    • 2 - 9 employees
    • Newport Beach, CA

    Founded in 2014, Site Nine Studios is a web development company. The of 10 specialize in WordPress, CMS, Drupal, and Laravel services in their Irvine, Calif. headquarters.

    Clients

    • Owl Cyber Defense
    • Northeastern University
    • Lion Cubs Cookies
    • Ducere Global Business School

    Notable Project

    A marketing and advertising agency hired Site Nine Studios to develop their designs into a WordPress website. Once the development process was complete, Site Nine Studios led a cross-platform QA process. 

    “We worked well together and we’ll probably reach out to them for future projects.”

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  • 140
    • $1,000+
    • 10 - 49 employees
    • Orange, CA
    Content marketing company 360Biz was established in 2004. The small Orange, California-based team offers content marketing, video production, web design, web development, and more.

    Industries

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  • 141
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • Tustin, CA

    Pixel Jar is a development agency based in Tustin, Calif. They were founded in 2004 and employ a team of 4. The company specializes in web and e-commerce development, web and UX/UI design, branding, and more.

    Clients

    • Dallas Mavericks
    • Harbour Surfboards
    • Krochet Kids
    • JWC Environmental

    Industries

    Notable Project

    As a longstanding partner with a manufacturing company, Pixel Jar improves functionality, provides front- and backend UX solutions, and acts as an advisor. They recently participated in a full site renovation.

    “We look to them as web dev experts.”

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  • 142
    • $10,000+
    • 10 - 49 employees
    • Santa Ana, CA

    Bean Machine is a development company in Santa Ana, Calif. Founded in 2017, they have fewer than 5 employees that serve clients in a variety of sectors. Services include web development, mobile app development, and web design.

    Clients

    • ShiftMe
    • Talnts
    • Jask.ai

    Notable Project

    Bean Machine came on board to develop a pitch deck and wireframes. They were supposed to deliver supportive documentation and user stories.

    "The engagement started okay, but they did not make me feel like a partner or even a priority client."

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  • 143
    • Undisclosed
    • 50 - 249 employees
    • Oak Park, CA
    In Oak Park, California, WordpressIntegration is an user experience agency. The midsize team provides ux/ui design, e-commerce development, web development, logo, and more and was founded in 2004.

    Industries

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  • 144
    • $10,000+
    • 10 - 49 employees
    • Irvine, CA

    INSTALOPER, LLC is a web design company. The small Irvine, California-based firm was launched in 2016. Their team specializes in web design, ux/ui design, custom software development, web development, and more.

    Industries

    Notable Project

    A consulting company collaborated with "INSTALOPER, LLC for custom software development. The team built cash transfer software, linking the KyckGlobal system.

    "They were a great value for money."

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  • 145
    • Scheduling

      0.5
    • Quality

      0.5
    • Cost

      0.5
    • NPS

      0.5
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Huntington Beach, CA

    Sister Agency is a small advertising company in Tampa, Florida. Their services include advertising, branding, digital strategy, search engine optimization, and more.

    Industries

    Notable Project

    &US Agency was tasked with digital marketing services by a marketplace platform for specialty food. The team helped the client with various marketing campaigns including SEO, social media marketing, and more.

    "&US Agency executive leadership ignored our concerns and offered absolutely no reconciliation."

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  • 146
    • Undisclosed
    • 2 - 9 employees
    • Garden Grove, CA
    OsoLabs, a small web development company, is headquartered in Garden Grove, California. Founded in 2007, the team offers web development, web design, and custom software development.
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  • 147
    • $10,000+
    • 10 - 49 employees
    • Costa Mesa, CA
    530medialab is a digital strategy company. They are located in Costa Mesa, California and have a small team that offers digital strategy, web development, branding, pay per click, and more. The agency was launched in 1999.

    Industries

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  • 148
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

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

    Human Marketing is an inbound marketing agency from Irvine, Calif. It was founded in 2015 and currently employs a team of 14 people. Human Marketing provides a range of services including content marketing, email marketing, web design, UX/UI design, SEO, and PPC.

    Clients

    • Textedly
    • GigaCloud
    • Propeller Industries
    • Softies

    Industries

    Notable Project

    Human Marketing handles on- and off-page SEO for a clothing company. They spearhead content creation, PPC campaigns, and backlinking, as well as track website KPI’s. They’re also in control of social media.

    “They do so much for us, and they’ve been doing it for so long, that we view them as a business partner of ours.”

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  • 149
    • $5,000+
    • 10 - 49 employees
    • Anaheim, CA
    Based in Anaheim, California, Octos Global is a small custom software development firm. The team provides custom software development, enterprise app modernization, e-commerce development, IoT development, and more.
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  • 150
    • $10,000+
    • 10 - 49 employees
    • Irvine, CA

    Devise Interactive is an Irvine, Calif.-based digital agency that was founded in 2014. The agency and its team of more than 10 employees have expertise in web design, custom software development, mobile app development and e-commerce development.

    Clients

    • USC
    • AT&T
    • Logitech
    • AstraZeneca

    Notable Project

    Devise Interactive built an e-commerce website for a hot sauce manufacturer. Through building the website, it worked to improve functionality, design, and photo editing services. Users were impressed with the changes.

    "They [Devise Interactive] gave us a time range and they hit it." – E-Commerce Developer, Hot Sauce Manufacturer

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