Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$50 - $99 / hr10 - 49Marousi, Greece
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OTO DEV, an e-commerce development company, is located in Marousi, Greece. They specialize in E-Commerce Development and Web Development.
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$75,000+$50 - $99 / hr2 - 9Central, Hong Kong
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Visichain is a software development company. They are located in Central, Hong Kong, and their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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IntelPro, a custom software development company, is in Buenos Aires, Argentina. The team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49
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MaximSoft is a website development firm. They were founded in 2019 and provide Web Development and Search Engine Optimization.
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$1,000+$25 - $49 / hrFreelancerAberdeen, Scotland
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Tags & Elements Ltd is a web design agency. They specialize in Web Design and Web Development and were founded in 2020. The firm is based in Aberdeen, Scotland.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsVenturecodes OÜ provides services in Website Development and Web Programming, with a focus on creating engaging platforms like paid survey and opinion systems. Feedback highlights their innovation, adaptability, and effective project management, consistently delivering on time and providing a rewarding user experience. Clients emphasize their professionalism and commitment to staying current with industry trends.
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Undisclosed$25 - $49 / hr10 - 49
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Whizystems is an IT staff augmentation company. Located in Szeged, Hungary, the team provides IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosed10 - 49Sydney, Australia
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BubbleGum Marketing is an Advertising company. Their team is located in Sydney, Australia and QLD, Australia and focuses on Advertising and Pay Per Click.
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$1,000+< $25 / hr10 - 49
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ProxNtelli Labs Pvt Ltd is an AR/VR development company established in 2014. The firm specializes in AR/VR development and Mobile App Development, and is small.
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Undisclosed$25 - $49 / hrFreelancerOttawa, Canada
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Ottawa Web Masters, a SEO agency, is based in Ottawa, Canada. They focus on Search Engine Optimization and Web Design and were founded in 2022.
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$10,000+$50 - $99 / hr10 - 49Novi Sad, Serbia
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See all 9 projectsKolosek is a full-stack web development company known for its comprehensive services in web application development, including front-end and back-end development. Reviews indicate a mix of positive and negative feedback, with approximately 67% of reviews highlighting their flexibility, effective project management, and competence in delivering customizable solutions. However, 33% of reviews point to communication issues and subpar coding experiences.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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Codelines Web SRL, a small web design company, is located in Cluj-Napoca, Romania. The team offers Web Design and Web Development.
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UndisclosedUndisclosed10 - 49Khmelnytskyi, Ukraine
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ZTeam is a website development firm. Launched in 2011, the agency is located in Khmelnytskyi, Ukraine. Their services include Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49
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Established in 2022, IndagoDev is a small Odesa, Ukraine-based website development company. Their services include Web Development and UX/UI Design.
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$1,000+< $25 / hr2 - 9New Delhi, India
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WEBMASONS is a small software development company founded in 2015. Their team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9
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Manystack, a custom software development firm, focuses on Custom Software Development and Web Development. The company is headquartered in.
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$5,000+$25 - $49 / hr10 - 49Jaipur, India
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Custom software development firm Alien Web specializes in Custom Software Development and Web Development. They were launched in 2006.
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$50,000+$50 - $99 / hr10 - 49Prague, Czech Republic
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Xyndata s.r.o. Is a software development company. Established in 2016, their team focuses on Custom Software Development and Web Design.
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$5,000+$25 - $49 / hr50 - 249
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See all 9 projectsInnovix Code is a mobile and web development company that specializes in creating intuitive applications and e-commerce sites. They consistently receive positive feedback for their thoughtful and innovative solutions, with approximately 100% of reviewers praising their user-focused design and effective project management. Clients commend Innovix Code's ability to deliver projects on time and align their work with company values, ensuring a perfect cultural and functional fit.
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Undisclosed< $25 / hr2 - 9Cebu City, Philippines
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Iscriptz web-app development is a web design agency. Their team is in Cebu City, Philippines and offers Web Design and Custom Software Development.
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Undisclosed< $25 / hr50 - 249Westminster, CO
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See all 1 projectsWADIC specializes in building and developing e-commerce platforms with custom features and integrations, notably using WordPress. Overall, clients commend WADIC's ability to deliver complex projects on time and exceed expectations. Their project management style, particularly their clear communication and understanding of client needs, is frequently highlighted as impressive.
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$1,000+< $25 / hr50 - 249Noida, India
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See all 1 projectsebq square specializes in creating custom software solutions tailored to manage business operations efficiently, as demonstrated by their work for a premium gym chain in Bengaluru, India. The reviews reflect highly positive feedback, highlighting their innovative use of technology, timely project delivery, and commitment to client satisfaction, ultimately surpassing client expectations with additional creative features and excellent project management.
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$1,000+< $25 / hr50 - 249Mumbai, India
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See all 1 projectsRaafi Infotech offers a full suite of Website Development services, encompassing Web Design, Web Programming, and E-commerce Solutions tailored to industries such as retail, healthcare, and IT.
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$1,000+$100 - $149 / hr50 - 249Sydney, Australia
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See all 1 projectsWelcome to Aussie Branding Solutions, where creativity meets professionalism in the world of logo design. Established with a passion for visual storytelling, we are a team of dedicated designers
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UndisclosedUndisclosed50 - 249Portland, OR
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K3G Solutions is a Portland, Oregon-based e-commerce development firm. They focus on E-Commerce Development and Mobile App Development and were founded in 2010.
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$1,000+< $25 / hrFreelancer6th of october, Egypt
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Nextbot, a website development company, is headquartered in 6th of october, Egypt. Founded in 2020, the team offers Web Development and Other Digital Marketing.
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$1,000+$50 - $99 / hrFreelancerTel Aviv-Yafo, Israel
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Aiko Media Group is a web development company. Launched in 2019, the team provides Web Development and E-Commerce Development.
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$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
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Positive Geeks is a custom software development firm founded in 2015. Their services include Custom Software Development and IoT development.
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$1,000+$50 - $99 / hrFreelancerGainesville, GA
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Connors Web Designs, a web design company, was launched in 2021. The firm focuses on Web Design and Web Development.
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$5,000+$150 - $199 / hr50 - 249
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MechPlan is an IT staff augmentation company. Their midsize team is in Dubaii, United Arab Emirates and Dubai, United Arab Emirates. Their services include IT staff augmentation and Generative AI.
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$1,000+$50 - $99 / hrFreelancerSurrey, Canada
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Web development company The Thing Web Design is in Surrey, Canada. The team provides Web Development and Search Engine Optimization.
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$5,000+< $25 / hr50 - 249Dubai, United Arab Emirates
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Founded in 2019, SISCA ERP, a midsize software development company, is headquartered in Dubai, United Arab Emirates. Their services include Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249Brisbane City, Australia
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Lanex Australia is a midsize software development firm headquartered in Brisbane City, Australia and Cebu City, Philippines. The team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249Kampala, Uganda
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Drenaksites digital agency limited is a SEO company founded in 2019. The team offers Search Engine Optimization and Web Design and is in Kampala, Uganda.
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$1,000+$25 - $49 / hr50 - 249
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Gaming Crab Private Limited is an Orlando, Florida-based mobile app development firm. Their services include Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249San Francisco, CA
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Get The Web Build is a branding agency. They are based in San Francisco, California and have midsize team of experts. Their services include Branding and Web Design.
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Undisclosed< $25 / hr50 - 249Pimpri-Chinchwad, India
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StackMentalist Ventures is an IT staff augmentation company. Headquartered in Pimpri-Chinchwad, India, the team focuses on IT staff augmentation and Custom Software Development.
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$5,000+$25 - $49 / hr50 - 249Surat, India
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The Coding Studio is a mobile app development company established in 2017. The midsize team provides Mobile App Development and Web Development.
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$1,000+< $25 / hrFreelancer
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MEAN Stack individual freelancer is a cloud consulting & SI company located in surat, India. The team offers cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed50 - 249Lahore, Pakistan
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Sysmatixx is a midsize web development company headquartered in Lahore, Pakistan. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hrFreelancer
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Web design agency IA Creater provides Web Design and Web Development. They were founded in 2021.
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$10,000+$50 - $99 / hr50 - 249Gurugram, India
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See all 1 projectsTrancis offers comprehensive Website Development and Web Design services. Their clients consistently commend their professionalism, timely delivery, and flexibility in accommodating change requests. The feedback highlights Trancis's effectiveness in creating and developing projects from scratch, showcasing their proficiency in Web Dev and Online Development.
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$50,000+< $25 / hr50 - 249Stanway,Colchester, England
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Founded in 1997, Kott Software is a custom software development firm. Their team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249Beaverton, OR
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Geoflypages is a website development firm. Founded in 2017, their team specializes in Web Development and Custom Software Development.
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$25,000+$100 - $149 / hr50 - 249
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Software development firm Viaro Networks Inc. Specializes in Custom Software Development and Web Development. They are based in Dover, Delaware.
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UndisclosedUndisclosedFreelancerSurrey, Canada
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Headquartered in Surrey, Canada, Elegant Marketing is an e-commerce development company. The team provides E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hrFreelancerNairobi, Kenya
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NJENGAH TECHNOLOGIES is a web development firm. The Nairobi, Kenya-based agency was launched in 2010. Their services include Web Development and Custom Software Development.
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$10,000+$25 - $49 / hr50 - 249
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In Asuncion, Paraguay, Posibillian Tech is a midsize software development company. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsSEOChum offers a range of digital marketing services, including SEO, social media promotion, keyword research, and on-page setup. Clients consistently highlight their effective communication, professionalism, and agile methodology. Reviews indicate increased brand awareness and organic website traffic as key outcomes.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsElint Minds is a company that offers app development services. However, the feedback from their reviews is overwhelmingly negative, with clients expressing dissatisfaction with their communication, work ethic, and honesty. One client described their experience as time-wasting and noted an inability to deliver a project according to specifications.
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$1,000+< $25 / hr250 - 999Boston, MA
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35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.