Top 100 JavaScript Development Companies in Los Angeles
The Best of May 2025Looking 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.
List of the Best Los Angeles JavaScript Developers
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211Undisclosed2 - 9 employeesRedondo Beach, CAFounded in 2007, TS Incorporated Digital Marketing is a small web design agency. Their team offers Web Design and Web Development.Read More
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212$1,000+50 - 249 employeesGlendale, CANixaam LLC, a Content Marketing company, focus on Content Marketing and Web Design. They were launched in 2010.Read More
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213$10,000+2 - 9 employeesCosta Mesa, CARead More
Established in 2022, Perform Labs is a web design company. The small team offers web design, web development, and ux/ui design. The company is headquartered in North Bethesda, Maryland.
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214$5,000+10 - 49 employeesAnaheim, CARead More
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.
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215$25,000+10 - 49 employeesIrvine, CABaytech Consulting is a custom software development company based in Irvine, California. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2007.Read More
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Petra Medical CollegeIndustries
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216$10,000+10 - 49 employeesAnaheim, CARead More
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.
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217$1,000+250 - 999 employeesSanta Clarita, CARead More
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.
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Tech MahindraIndustries
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218$10,000+10 - 49 employeesIrvine, CARead More
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.
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219$50,000+10 - 49 employeesIrvine, CATopflight Apps is a mobile app development firm. They are in Irvine, California and have a small team that offers Mobile App Development, UX/UI Design, Web Development, Wearable App Development, and more. The agency was launched in 2016.Read More
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Allheartz: computer vision for remote physiotherapy and sports care (SaaS platform + mobile apps) LnQ: On-Demand Enterprise Radiology Staffing GaleAI: AI-powered medical notes coding Walker Tracker: Award-Winning Fitness App for Employee WellbeingIndustries
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220$10,000+10 - 49 employeesHuntington Beach, CAAlokin is a software development company founded in 2011. Their services include Custom Software Development and Web Development.Read More
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221Undisclosed50 - 249 employeesNewport Beach, CARead More
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.
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Intuitive SurgicalIndustries
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222$50,000+10 - 49 employeesCosta Mesa, CATepia is a small application development firm. Headquartered in Costa Mesa, California; Tampa, Florida; Pittsburgh, Pennsylvania and Austin, Texas, the agency was launched in 2012. Their services include Mobile App Development, IoT development, Custom Software Development, Web Development, and more.Read More
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223$10,000+10 - 49 employeesSanta Ana, CARead More
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.
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224$1,000+2 - 9 employeesAnaheim, CALaunch Up Labs, a software development firm, was founded in 2024. The agency offers Custom Software Development and Web Development.Read More
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225$10,000+Freelancer employeesLos Angeles, CAWebemia is a web design company launched in 2013. Headquartered in Los Angeles, California, the team focuses on Web Design and Web Development.Read More
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226$1,000+2 - 9 employeesIrvine, CARead More
Pacific Codeline LLC, a web development company, is in San Clemente, California. The small team focuses on web development, custom software development, mobile app development, Artificial Intelligence, and more and was established in 2021.
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Lettering.com IncIndustries
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227$5,000+2 - 9 employeesNewport Beach, CARead More
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.
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Owl Cyber DefenseIndustries
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228$25,000+50 - 249 employeesSanta Clarita, CARead More
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.
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229$25,000+10 - 49 employeesNewport Beach, CARead More
Revealize Inc. is a web development agency that has been offering web design and web development services to their clients since 2017. Their 10 employees are based out of Newport Beach, Calif.
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SaaStockIndustries
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230$5,000+2 - 9 employeesTustin, CARead More
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.
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Dallas MavericksIndustries
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231$25,000+10 - 49 employeesIrvine, CARead More
Fisherman Labs is a 10+ web and mobile app development firm specializing in AR/VR and emerging technologies. Based in Los Angeles and with an office in Frisco, TX, they’ve been creating bespoke digital solutions for leading brands since 2014.
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DisneyIndustries
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232Undisclosed2 - 9 employeesSanta Monica, CAClick & Clear Communications is a small social media marketing agency based in Santa Monica, California. Their services include Social Media Marketing and Email Marketing.Read More
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233$5,000+50 - 249 employeesNewport Beach, CARead More
Dirox, a mobile app development company, was founded in 2003. They are located in Ho Chi Minh City, Vietnam; Shibuya City, Japan; Hong Kong, Hong Kong and Paris, France and have a midsize team. Dirox focuses on mobile app development, custom software development, web development, digital strategy, and more.
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LogChainIndustries
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234$25,000+10 - 49 employeesNewport Beach, CACalder Solutions, a mobile app development firm, was founded in 2013. The agency specializes in Mobile App Development, UX/UI Design, Custom Software Development, IT strategy consulting, and more and has a small team. The agency is located in Ada, Michigan and Newport Beach, California.Read More
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AmwayIndustries
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235$10,000+10 - 49 employeesIrvine, CARead More
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.
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236Undisclosed50 - 249 employeesOak Park, CAWordpressIntegration, an user experience agency, was launched in 2004. They offers UX/UI Design and E-Commerce Development.Read More
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237$5,000+10 - 49 employeesSanta Ana, CAMAB Ventures is a SEO company. Founded in 2002, the team specializes in Search Engine Optimization and Pay Per Click.Read More
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238Undisclosed10 - 49 employeesLos Angeles, CAUpgrade Consulting is a small web design agency established in 2023. Their team specializes in Web Design and UX/UI Design.Read More
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239$5,000+10 - 49 employeesIrvine, CARead More
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.
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TextedlyIndustries
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240$10,000+10 - 49 employeesNewport Beach, CARead More
Wellnuts is a full-source software development company based in Minsk, Belarus, with an office in Newport Beach, Calif. The company, founded in 2012, has more than 20 employees who provide, among others, web development, custom software development, and mobile app development services.
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