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. Disadvantages to consider include security such as bugs on the client-side.

To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Los Angeles. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Los Angeles JavaScript Developers

  • 1
    $50,000+
    50 - 249 Employees
    West Hollywood CA

    Rootstrap is a software development firm based in Los Angeles with offices in New York; Montevideo, Uruguay; and Buenos Aires, Argentina. Established in 2011, Rootstrap has over 70 employees with experience with both consumer digital products and business applications. Their services include mobile development for Android and iOS, web app development, UI/UX design, custom software, and AR/VR development.

    Clients
    MasterClass
    Google
    Salesforce
    Universal Music Group
    Industries
    Notable Project

    Rootstrap provided business strategy consulting and software development services for a music startup in the US. The client wanted to build a digital platform to connect local musicians. Rootstrap's team outlined an MVP process and monetizing strategy. Since the prototype was introduced, the client has received considerable funding from outside sources, as well as positive feedback from professional musicians.

    "Their work looks good and we’ve learned a lot. They’ve been great to work with." – Founder, Music Startup

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  • 2
    $50,000+
    10 - 49 Employees
    Long Beach CA

    Oshyn is a technology agency, based in Long Beach, Calif. and founded in 2001. Their team of 54 specializes in web, e-commerce, and mobile app development. Oshyn works with midmarket and enterprise-level clients in various industries: consumer services, healthcare, hospitality, and more.

    Clients
    Oshyn has completed projects for over 300 clients
    including: Volkswagen
    Coca-Cola
    CTA (California Teachers Association)
    Industries
    Notable Project

    Oshyn provides Sitecore development and ongoing support for a global IT firm. They also aid the global IT firm with special projects. Since Oshyn came aboard, their website's stability has improved substantially. 

    "....it’s all positive feedback in terms of people within our company." – Corporate Marketing Manager

  • 3
    $50,000+
    10 - 49 Employees
    Los Angeles CA

    Urban Insight is a digital design agency with a team of 25 professionals that provides web development, web design, and digital strategy services. Founded in 2000 and located in Los Angeles, the agency has completed over 500 successful projects for its clients.
     

    Clients
    American Library Association
    Causeway Capital Management
    City of Los Angeles
    CA
    Industries
    Notable Project

    An urban planning company hired Urban Insight to create a new website. Urban Insight redesigned the text-driven content on their site to include more images and video content. The planning firm has received positive feedback since the site's launch and Urban Insight continues to provide support when needed. 

    "Their dependability is rock-solid. We were confident in their ability to execute our vision and that the end result would be successful when we launched." – Principal, Urban Design Studio

  • 4
    $10,000+
    50 - 249 Employees
    Los Angeles CA

    Cleveroad is a software development company founded in 2014. They have offices in Ukraine, the U.S., Norway and a team of over 100 specialists. They are focused on native mobile development, web development, IT strategy, web design, emerging technologies, and cross-platform solutions. 

     

    Clients
    Virgin Atlantic
    Octopus
    DPD
    HSBC
    Industries
    Notable Project

    Cleveroad designed and developed an iOS application that connects dancers all over the world. The app provides a place for users to chat and share content with each other. Users enjoy using the app and the client was impressed with Cleveroad's communication and quality of work. 

    “Users loved the application’s MVP for speed and functionality it brought. Cleveroad is a valuable partner due to their responsiveness and organized workflows helping to deliver high-quality work.”

  • 5
    $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 created a website for a packaging company. They designed and built a site with a number of B2C features, including a CRM system, lead generation form, and a product inquiry calculator. The client reported that, since the site launched, the average value of their clients has gone up by 40%.

    “The teammates were very responsive problem-solvers. It was a partnership, not just a vendor-customer relationship. They were a pleasure to work with and always had a better idea down the road.” – Head of Marketing, Packaging Company
     

  • 6
    $50,000+
    50 - 249 Employees
    Los Angeles CA

    STRV is a software design & engineering team of 200+ experts working out of Los Angeles, San Francisco, London and Prague. Founded in 2004, the company provides app and web development, UX/UI, web design and app testing via full product delivery and team augmentation engagements. Delivering 70+ apps annually, they work with clients big and small from industries including financial services, e-commerce and education.
     

    Clients
    Microsoft
    The Athletic
    ClassDojo
    Hallmark
    Industries
    Notable Project

    From minimum viable product (MVP) to finished product, STRV developed a smart fragrance app for iOS and Android. The product engaged users and immediately stood out on the market, while the team’s speed, efficiency, and comprehensive expertise impressed the client during the entire cooperation.

    “It’s been impressive for us to work with STRV because they’ve been able to problem-solve different aspects that had never been touched or done before in this industry. It’s rewarding to work with an incredible team of smart people who can solve problems that don’t exist yet.” – Co-Founder & CMO, Fragrance App
     

  • 7
    $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

    A security products manufacturer hired JMA, Inc for web portal development. They created a user-facing front-end to access video feeds and a distributor back-end that houses usage data. The client was impressed with their ability to make ideas a reality.

    “They’re very detail oriented and provide us with reports or feedback on fonts and layout.” – CEO, Security Products Manufacturer

  • 8
    $50,000+
    2 - 9 Employees
    Marina del Rey CA

    Wildebeest is a California-based agency that specializes in app development, software development, and web design. With less than 50 members on staff, the agency delivers custom web and software solutions for their clients. 

    Clients
    Google
    PepsiCo
    Toyota
    Microsoft
    Industries
    Notable Project

    A beauty company hired Wildebeest to improve and redesign their website. Wildebeest reformatted their online booking system, helped with SEO, and strengthened site security. Wildebeest's redesign helped the beauty company's site move to the first page of Google search results and made the booking process much simpler for site users. 

    "They have great style, they’re very intuitive, and the customer service level is incredibly high. It was way more than I expected, and I was very impressed." – Founder, Beauty Company

  • 9
    $50,000+
    10 - 49 Employees
    Los Angeles CA

    AE Studio is a team of designers, engineers, and data scientists based in Venice founded in 2016. Their team of fewer than 50 members provides web and mobile app development as well as AI solutions for clients ranging from startups to enterprises. They use frameworks such as NodeJS, ReactJS, and React Native, as well as languages like JavaScript, Ruby, and Python.

    Clients
    Samsung
    Berkshire Hathaway
    Ritual
    Chance the Rapper
    Notable Project

    AE Studio finished the development of a Shopify website for a tech company that migrated from Magento. The website featured a custom Shopify app developed by AE Studio to suit the needs of the project, and issues from the previous vendor who worked on the site were solved in as little as 24 hours.

    "AE Studio is transparent, efficient, and creative all at the same time. They allow us to understand exactly what’s happening. Their team has more than just basic implementation skills, they have people that can really redefine what it is you’re looking for and create solutions. I have yet to find another agency that could do that for me as quickly and effectively as they have." - Merchandise Manager, Tech Company

  • 10
    $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 developed web and mobile applications for a casting call service. The app allows actors to self-tape submissions and upload them onto our Amazon database. The client appreciated NOVVUM’s fast-paced work ethic.

    "NOVVUM is reasonably priced and has a fair pricing system. They are honest. They are gifted engineers and are outperforming in that regard."–Co-Founder, Casting Call Application

  • 11
    $50,000+
    10 - 49 Employees
    Manhattan Beach CA

    Isadora Agency is a California-based digital agency founded in 2009. Their team works with enterprise clients on their UX design systems, design, development, and branding needs.

    Clients
    Gartner
    McKinsey & Company
    Honest Company
    Razor
    Industries
    Notable Project

    Isadora Agency developed a website focused on employee benefits for a Fortune 500 media group. Isadora began their work by assessing the company's existing site and researching how other companies designed sites geared toward employee benefits. They created a new look for the site creating all designs from scratch and integrating with WordPress, which ultimately helped form a new strategic marketing tool.

    "They’ve empowered us to use innovative designs to communicate and maintain our website, brand and identity. Going forward, any email we send out and any PowerPoint we present will have the new aesthetics." – SVP, Media Company

  • 12
    $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 was hired to do SEO work and web design by a custom truck dealer. They redesigned the website with unique URLs for products, helped with organic SEO, and assisted with e-commerce and UX functions for the site.  

    "It turned out really well. Our traffic tripled after they redesigned the website, with numbers starting to climb within a week." – Marketing Manager, Truck Company

  • 13
    $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

    Pixel Jar built a WordPress site for an online education platform. The scope of their work included frontend and backend development with an integrated shopping cart feature. The client praised Pixel Jar for their commitment to the project.

    "They developed a number of websites for us, helped us solve complicated problems, and were always there for us when we needed them." — VP of Business Operations, Education Company 

  • 14
    $1,000+
    2 - 9 Employees
    Los Angeles CA

    Tegra is a full service digital agency based in Los Angeles, California with a secondary location in Russia. It was founded in 2016 and has 7 employees who specialize in web design, web development, e-commerce development, UX/UI design, and social media marketing

    Industries
    Notable Project

    A producer of professional audio equipment hired Tegra to develop a digital promotional campaign for their 20-city tour. The tour was to highlight a new product of theirs, for which Tegra provided branding and color schemes. The digital effort included building a website with an integrated map on the landing page, enabling users to find the tour location nearest them. 

     

  • 15
    $10,000+
    10 - 49 Employees
    Los Angeles CA

    Endertech is a California-based design agency was founded in 2000. Its team of 20+ has experience in digital marketing, web design, software development, and UX/UI design.

    Clients
    Doyle
    California State University
    Northridge
    United Oil
    Industries
    Notable Project

    Endertech was hired by a food manufacturer to develop their new site. Endertech designed the site based on the manufacturer's priorities, which included navigation and customization. Since the launch of the website, the food manufacturer has experienced higher quality contacts and increased web traffic. Their relationship continues five years after first partnering. 

    "[Endertech] is disciplined in their approach, so the execution is good. Everything was delivered on time and within the budget." – Owner, Food Manufacturer

  • 16
    $25,000+
    10 - 49 Employees
    West Hollywood CA

    Groove Jones is a mobile app, AR/VR, and custom software developer based in Dallas. Founded in 2015, this 10+ team of digital experts builds the interactive tools that give brands a competitive edge.

    Clients
    3M
    7 Eleven
    AT&T
    Amazon
    Industries
    Notable Project

    From filming to final production, Groove Jones developed a complete VR experience to entertain consumers. The successful project earned favorable press and 65,000+ views on YouTube, while the client valued the team’s timeliness and communications.

    “Groove Jones worked within our budget constraints and produced a great film. … They made everything look as real as possible.” – Former Marketing Manager, Telecommunications Company

  • 17
    $10,000+
    10 - 49 Employees
    Santa Monica CA

    ClearSummit is a mobile app, web development, and custom software engineering firm founded in 2014. Based in Virginia and Los Angeles, the 22-member team specializes in building digital products. They primarily serve funded startups and corporate clients.

    Clients
    Belkin
    USAutoParts
    City of Richmond
    AvePoint
    Industries
    Notable Project

    ClearSummit designed, developed, and now provides ongoing support for a B2B software platform's main application offering. The solution is written in Python & React and contains user type-specific features.

    "Users continue to join the application, and we’ve received positive feedback on it. Their work is very high quality." – CEO, B2B Software Platform

  • 18
    $10,000+
    10 - 49 Employees
    Los Angeles CA

    Goji Labs is a web and mobile app development company based in Los Angeles. Founded in 2014, they have a team of about 30 that helps launch products in numerous industries ranging from business services to education. They provide product strategy, UX/UI design, mobile app, web, and IoT development services to various clients including startups, corporations, and nonprofits.

    Clients
    World Health Organization
    World Wildlife Fund
    USC
    UCLA
    Industries
    Notable Project

    Goji Labs designed, developed, and launched a custom CRM application for a nonprofit organization. The platform tracks engagement and enrollment for thousands of students in need. Goji Labs delivered a solution that is central to providing students with the services they require.

    "It was a really tight timeline and this was a huge project. They really helped us streamline some processes which saved staff a lot of time. We can now track all the things online instead which has been tremendously helpful and useful. That has been pretty amazing." – Director of Programs, Nonprofit Organization

  • 19
    $10,000+
    50 - 249 Employees
    Los Angeles CA

    8th Light is a software consultancy firm headquartered in Chicago, with other offices in Los Angeles, New York, and London. The agency and its team of 110+ has experience in web development, custom software development, web design, mobile app development, and cloud consulting.

    Clients
    Royal Academy of Arts
    AXUS Travel App
    Go Big Recruiting
    Law Vault
    Notable Project

    A ticketing agency hired 8th Light for app development. The app helped users get tickets to high-demand events easier. While the app hasn't officially launched, there has been successful reports and great feedback from a select few. 

    "They [8th Light] were great with collaborating on the right way for the project to be managed. I learned a lot from working with them." – VP Product, Entertainment Company

  • 20
    $1,000+
    2 - 9 Employees
    Huntington Beach CA

    Rocket Farm is a multidisciplinary digital marketing agency founded in 2014 and located in Huntington Beach, Calif. With nearly 10 employees on board, they offer an array of services the main ones being content marketing, advertising, branding, digital strategy, and web design. Their clients consist of mainly small businesses in various industries. 

    Clients
    American Express
    DaVita
    Guardian Bikes
    DISC Sport & Spine
    Industries
    Notable Project

    Rocket Farm provided video production as well as photography for a kidney dialysis company. Their work involved interviewing patients as well as post-production. Ultimately, the results satisfied all stakeholders, and their project management style stood out.

    "They’re 100% invested in our projects." – Marketing Manager, Kidney Dialysis Company

  • 21
    $25,000+
    10 - 49 Employees
    Los Angeles CA

    Wanted for Nothing, founded in 2017, is a development and design agency headquartered in Calif. The team of 12 focuses on web design, UX/UI design, and web development and works primarily with small and mid-market businesses. 

    Clients
    Keva NYC
    CityGlobal
    MatBoardCenter
    Notable Project

    Wanted for Nothing worked with a health and wellness portal to revamp the client’s portal, update the logic, and add new features to manage growth and enhance user retention. They conducted industry research, audit, and competitor analysis to create a backlog and action plan. The client expressed immense satisfaction with the product delivered. 

    “We surveyed current users and found out that they are really impressed with the new features and updates. Also, new user signups from our paid marketing increased.” - Founder, Health and Wellness Portal
     

  • 22
    $10,000+
    2 - 9 Employees
    Los Angeles CA

    R\nd is a web agency founded in 2019 in Los Angeles with more than two employees. They are experts in web development, digital strategy, and conversion optimization services for small and mid-market firms across various industries.

    Clients
    Cisco
    IBM
    Google
    Netgear
    Notable Project

    R\nd provided WordPress development services for a public data management SaaS. The goal was to create developer-ready designs and have them executed. The SaaS platform now relies on R\nd as their development partner.

    “R/nd has broad and excellent development skills so they are able to deliver solutions for all our needs.” - Product Manager, Public Data Management SaaS

  • 23
    $25,000+
    10 - 49 Employees
    Los Angeles CA

    Softkit is a custom development company headquartered in Zaporizhzhya, Ukraine. Founded in 2019, their team of approximately 7 employees serves mostly small businesses in the advertising, real estate, and legal sectors. Aside from custom software, they also provide web design and development.

    Industries
    Notable Project

    Softkit developed the website of a real estate SaaS platform. They utilized Java and MongoDB to create a custom solution that matches home seekers with properties. Their development work successfully increased the client's sales and even won an esteemed innovation award.

    "Among all companies, just Softkit has the needed experience in strong back-end and clean code." — Recruiter, Real Estate SaaS Company

  • 24
    $50,000+
    2 - 9 Employees
    Marina del Rey CA

    Wire Media is a branding and design firm based in Marina del Rey, California, that was established in 2012. Their team of fewer than 10 employees offers UX/UI design, web design, and graphic design services.

    Clients
    NONPROFITS: Box Inc
    Climate Access
    CREDO
    Environmental Defense Fund
    Industries
    Notable Project

    Wire Media developed the UI design for an energy initiative to align its website more with its core values. The team configured the front- and backed to be more mobile friendly and intuitive using WordPress.

    "Wire Media made a useful site and helps us keep the content fresh and relevant." – Comms Director, Energy Initiative

  • 25
    $5,000+
    10 - 49 Employees
    Los Angeles CA

    Act Bold Media Group is a full-service digital marketing agency based in Santa Monica, California. With approximately 10 employees, they primarily assist clients with web development, SEO, and PPC. The client valued Act Bold Media's proactive attitude, commitment to staying on budget, and ability to customize their services.

    Clients
    Photos.com
    Swagbucks
    Eagle Creek
    MGM Grand
    Industries
    Notable Project

    A property management firm hired Act Bold Media to improve their ranking in search results for local apartments. Act Bold Media builds custom websites for new properties and manages SEO, social media, and PPC.

    "Inquiries have gone up tenfold since Act Bold has been involved and leasing has gone up 200 percent." - Vice President and Partner, Property Management Company

  • 26
    $25,000+
    50 - 249 Employees
    West Hollywood CA

    VentureDevs is an IT agency founded in 2016. They are headquartered in West Hollywood, Calif., with a second location in Poznan, Poland. Their team of 73 specializes in mobile app, web, custom software development, and more for primarily midmarket clients. 

    Clients
    Uber
    NFL
    Fair
    Marriott
    Industries
    Notable Project

    VentureDevs developed a web-based platform for an e-learning company. The agency is currently working on migrating the website to AWS and working on the redesign phase of the project. 

    "Although we’re still working on the final phase of the redesign, our internal team has responded positively, and all user testing has been excellent. They’re still working to improve features of the interface, but we’ve yet to receive any negative feedback." – Director of DevOps, E-Learning Company

  • 27
    $50,000+
    2 - 9 Employees
    Rancho Palos Verdes CA

    Expedition Co, is a software development company that was founded in 2017. The company is headquartered in Palos Verdes Estates, Calif. and is currently made up of 8 employees. They specialize in mobile app development, UX/UI design, and custom software development. 
     

    Clients
    Hewlett-Packard
    Hyundai
    Staples Center
    Beatstoc
    Notable Project

    Expedition Co. partnered with a car manufacturer and they were able to move their clients website to a mobile version as well as add additional features to the app. Specifically, they helped their client create an app that made their sales training easier on their employees. 

    “The responsive site has helped our sales team serve customers more flexibly—removing their dependency on desktops.” – Sr. Manager, Car Manufacturer
     

  • 28
    $5,000+
    50 - 249 Employees
    Walnut CA

    Owebest Technologies is a Custom Software and Mobile App Development company with Development Centre in Jaipur, India, and has sales offices in the USA, Canada & Dubai. Since its official inception in 2016, they have successfully delivered more than 1100 Projects with a team of 85+ technical professionals. 

    Industries
    Notable Project

    Owebest Technologies developed a full-featured custom software platform for their cryptocurrency client to engage with their investors. They designed the product based on their client’s need for security, ethical practices, and ease of use. This resulted in positive feedback and a glowing recommendation.

    "Owebest Technologies Pvt. Ltd. is a sincere team. They stick to the job until they finish all the work. If they find any small issues, they solve them proactively. I appreciate that they follow my lead instead of me having to track them." –Project Manager, Cryptocurrency Client

  • 29
    $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

    An IT services and BPO company hired Ojas to do web application development, data migration, software testing, BPMN development, software architecture. Ojas completed the project and met all expectations.

    "Ojas has played an integral part in sucessful driving this project providing us with the right skill set and expertise." - IT Project Manager, IT Services and BPO Company

     

  • 30
    Undisclosed
    2 - 9 Employees
    Los Angeles CA

    Studio Umbrella is a web design and development company based in Los Angeles. Established in 2005, the team of less than 5 provides e-commerce development, web development, and web design services with experience with WordPress, PHP, and JavaScript.

    Clients
    Next Gadget
    Monkey Business
    Cygov
    Robins Alliance
    Notable Project

    Studio Umbrella worked with a digital signage company to design and build creative templates and content for their business. The solutions are designed to function with the client’s CMS, which is programmed with Flash and HTML.

    "They know how to listen and understand. They’re very pro-customer." — Content Department Manager, Digital Signage Company

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Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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