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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$10,000+$50 - $99 / hr10 - 49Sarajevo, Bosnia and Herzegovina
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Website development firm Olympia Tech was founded in 2022. The small team focuses on Web Development and IT staff augmentation.
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Undisclosed$25 - $49 / hr2 - 9Dhaka, Bangladesh
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GrewDev is a web design agency. They provide Web Design and Web Development and were founded in 2019. The company is based in Dhaka, Bangladesh.
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$1,000+$50 - $99 / hr2 - 9San Francisco, CA
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Conversion Optimization company Startercode was launched in 2022. The small team provides Conversion Optimization and Search Engine Optimization.
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$25,000+$150 - $199 / hr10 - 49Providence, RI
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Scandia is a Providence, Rhode Island-based user experience design company. Their services include UX/UI Design and Digital Strategy.
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$10,000+$50 - $99 / hr10 - 49Florianopolis, Brazil
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Wolven is a web development company. The Florianopolis, Brazil-based team provides Web Development and E-Commerce Development.
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$5,000+$200 - $300 / hr50 - 249Ahmedabad, India
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Orange Technolab Pvt Ltd is an Ahmedabad, India-based application development company. The team offers Mobile App Development and Web Design.
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$5,000+Undisclosed10 - 49
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Deduxer is a Chisinau, Moldova-based UX company. Their services include UX/UI Design and Web Design.
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$1,000+Undisclosed50 - 249
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See all 4 projectsExpress Marketing Network is a web development company excelling in custom website development and full-stack web development. Reviews indicate a 100% satisfaction rate, highlighting their professional project management, timely delivery, and responsiveness. Clients appreciate their creative solutions and ability to combine technical expertise with a genuine care for projects, resulting in improved user engagement and SEO outcomes.
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Undisclosed< $25 / hr50 - 249Tel Aviv-Yafo, Israel
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Webeet.io is a custom software development company headquartered in Amsterdam, Netherlands and Tel Aviv-Yafo, Israel. They offer Custom Software Development and Web Development.
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Undisclosed< $25 / hr50 - 249Plano, TX
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Techinoid is a midsize web design agency headquartered in Plano, Texas and Lahore, Pakistan. Their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr50 - 249دبي, United Arab Emirates
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Codvix Digital, a midsize SEO agency, is based in دبي, United Arab Emirates. Their services include Search Engine Optimization and Custom Software Development.
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$1,000+< $25 / hr50 - 249
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WEBLISH is a social media marketing agency. The midsize Sheridan, Wyoming-based team specializes in Social Media Marketing and Email Marketing. The firm was launched in 2025.
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$1,000+$25 - $49 / hr50 - 249Fort Washington, PA
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Web Design Vibe is a midsize branding firm. Founded in 2021, the team offers Branding and Web Design.
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$50,000+$150 - $199 / hr50 - 249Chicago, IL
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Pandera Labs, an app development firm, was founded in 2014. The midsize team focuses on Mobile App Development and Web Development.
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$1,000+< $25 / hr50 - 249Clifton, NJ
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HorizonCore InfoSoft Pvt. Ltd. Is a midsize e-commerce development firm. Established in 2008, the team focuses on E-Commerce Development and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9Cluj-Napoca, Romania
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Poligon Tech is a Cluj-Napoca, Romania-based software development company. They focus on Custom Software Development and Mobile App Development and were launched in 2021.
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$5,000+$150 - $199 / hr2 - 9
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Web design company Warrior King Society is in. Launched in 2012, the team focuses on Web Design and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Squamish, Canada
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ABR Platform is a SEO services firm. Launched in 2023, the team offers Search Engine Optimization and Web Design. The firm is in Squamish, Canada.
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$10,000+$50 - $99 / hr2 - 9Miami, FL
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Launched in 2024, ReemRose is a small Miami, Florida-based cloud consulting & SI company. Their services include cloud consulting & SI and Web Development.
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$5,000+$25 - $49 / hr2 - 9Beograd, Serbia
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Diamond Code is a small custom software development firm. Established in 2012, the team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr50 - 249Birmingham, England
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Software development firm eSquall LLC was established in 2017. The firm specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Kerkira, Greece
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GoCreations is a web development company. The team specializes in Web Development and Web Design, and the company is headquartered in Kerkira, Greece.
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$5,000+$50 - $99 / hr10 - 49
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See all 1 projectsCronus Designs LLC appears to be a web development company, but the feedback from reviews suggests significant challenges with communication and project management. The reviews are entirely negative, with 100% of reviewers expressing dissatisfaction, specifically referencing unresponsive communication and unmet promises regarding project timelines.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsAINZICS offers high-quality development services with a focus on blogging and website management, including domain management, WordPress installation, and content publishing. Reviews highlight competitive pricing, excellent communication, and impressive project management. Clients appreciate AINZICS for their lifetime maintenance support and have recommended them to others, reflecting positive feedback on their professionalism and service delivery.
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$5,000+$25 - $49 / hr10 - 49Zaporizhzhia, Ukraine
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See all 2 projectsGoHard.Team, launched in 2018, stands at the forefront of the outsource software development industry, embodying over two decades of unparalleled expertise. As a beacon for startups and medium
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$1,000+Undisclosed50 - 249Emeryville, CA
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See all 1 projectsThe Website Designs offers website development, e-commerce services, and mobile application development. Reviews highlight successful project outcomes, including brand identity translation and scalable platform development. Clients commend their project management, industry knowledge, and communication, though pricing is noted as an area for improvement. Overall, The Website Designs demonstrates effective service delivery and timely project completion.
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$50,000+$150 - $199 / hr10 - 49Brisbane City, Australia
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Based in Brisbane City, Australia and Surry Hills, Australia, Lamb Agency is a small web development firm. Their services include Web Development and E-Commerce Development.
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$1,000+< $25 / hr10 - 49
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Graphie is a web design agency. Their team is in North Jakarta, Indonesia. The firm offers Web Design and Graphic Design.
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$5,000+$25 - $49 / hr2 - 9Ermoupoli, Greece
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See all 1 projectsPowerApp Developers provide comprehensive software development services, including building web and mobile applications. Their reviews highlight their strong alignment with client values, effective communication, and timely delivery. Customers commend their ability to develop robust front-end and back-end solutions, with no noted areas for improvement, underscoring their reputation as a reliable and proficient technology partner.
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$1,000+$25 - $49 / hr2 - 9
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Upstack Media, a web design company and web development company, is in MANDI, India. Their services include Web Design and Web Development.
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Undisclosed$25 - $49 / hr2 - 9
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Web design agency Rebrick Digital is located in. They offer Web Design and Web Development.
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Undisclosed< $25 / hr2 - 9Buenos Aires, Argentina
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Approach Tech is a website development company. The small Buenos Aires, Argentina-based team focuses on Web Development and UX/UI Design. The company was established in 2021.
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$5,000+$25 - $49 / hr50 - 249Mount Pearl, Canada
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Inaequo Solutions is an AI firm. Located in Mount Pearl, Canada, the firm was founded in 2019. Their services include Artificial Intelligence and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249
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Mobile app development firm Equartis Technologies Pvt. Ltd. Is in Chandigarh, India and Panchkula, India. They specialize in Mobile App Development and Social Media Marketing.
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$5,000+$100 - $149 / hr10 - 49Aarhus, Denmark
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Zyberchief is a small Aarhus, Denmark-based e-commerce development company. Their services include E-Commerce Development and Web Development.
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$5,000+$100 - $149 / hr10 - 49Dubai, United Arab Emirates
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Welkin Marketing Management, a web development firm, focuses on Web Development and Branding. The agency is in Dubai, United Arab Emirates.
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$25,000+$100 - $149 / hr10 - 49
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SysTech is a software development firm located in Haifa, Israel. They offer Custom Software Development and Web Development and were established in 2015.
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$5,000+$25 - $49 / hr10 - 49Novi Sad, Serbia
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Established in 2016, Lilly021 is a small Novi Sad, Serbia-based web development company. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Boca Raton, FL
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Kinetica Systems is an IT strategy consulting company. The Boca Raton, Florida-based company was founded in 2015. Their team specializes in IT strategy consulting and cloud consulting & SI.
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$5,000+Undisclosed10 - 49Richardson, TX
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Established in 2014, Mindtap Digital is a web design agency. In Richardson, Texas, the team specializes in Web Design and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Established in 2019, Enterprise Analytic LLP is a custom software development company. The company focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsVartanix empowers businesses to not only survive but thrive in an increasingly competitive market by crafting innovative and highly intuitive digital products that engage and captivate their
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$5,000+$150 - $199 / hr10 - 49Henley in Arden, England
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Founded in 1988, HTDL is a web design company. The agency specializes in Web Design and Web Development, and is small.
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$1,000+< $25 / hr2 - 9Rivne, Ukraine
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HDesign is an e-commerce development company. They are based in Rivne, Ukraine and have small team of experts. Their services include E-Commerce Development and Web Development.
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$1,000+$100 - $149 / hr10 - 49
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See all 1 projectsKLEINBOTT. specializes in logo creation and web design services, as demonstrated by their collaboration with Kool Kit. The reviews consistently highlight their exceptional creativity, attention to detail, and effective communication, with clients praising their patience, flexibility, and ability to exceed expectations, resulting in visually stunning and impactful designs.
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$5,000+$50 - $99 / hr10 - 49Bogotá, Colombia
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See all 1 projectsAuxo offers services in enhancing online visibility, user experience, and boosting conversions through website design and development. The reviews highlight their innovative approach, efficient project management, and commitment to sustainability. While communication was effective, clients suggest more frequent updates could be beneficial. Overall, Auxo is praised for delivering high-quality and creative solutions aligned with client needs.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsAppky, s.r.o. specializes in developing mobile applications and offers services aimed at enhancing business outcomes, such as increasing foot traffic for clients. Reviews highlight their professional project management, timely delivery, attention to detail, and strong work ethic, resulting in measurable successes like a 50% increase in traffic for a marketing client.
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$1,000+$100 - $149 / hr2 - 9Red Bank, NJ
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Red Design Group, a small graphic design agency, is located in Red Bank, New Jersey. The team provides Graphic Design and Logo.
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$1,000+< $25 / hr2 - 9Curitiba, Brazil
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Website development company Agência TCA is in Curitiba, Brazil. They focus on Web Development and Advertising and were founded in 2006.
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$1,000+$50 - $99 / hr10 - 4903, Andorra
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See all 1 projectsSinzerAD is an Andorran IT services company founded in 2016, specialized in Microsoft solutions. Our modern and youthful approach, combined with a highly specialized team, allows us to provide
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$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 -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
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38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
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38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
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39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
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38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, 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 - 9,999New York, NY
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39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
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38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
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38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
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40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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.