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 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$5,000+$50 - $99 / hr2 - 9
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Outer Labs Studio, a web design agency, was founded in 2021. Located in New York, New York, the team focuses on Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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AviidTechy, a website development company, was established in 2020. The small team provides Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9
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CodixFlow, a small social media marketing agency, is headquartered in San Francisco, California. Their services include Social Media Marketing and Search Engine Optimization.
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Undisclosed< $25 / hr2 - 9
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Ethwasa Web Design Services is a website development firm founded in 2022. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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Headquartered in Karachi, Pakistan, Pakdigit Solutions is a small branding agency. Their services include Branding and Social Media Marketing.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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See all 1 projectsITechia Solutions specializes in web development and maintenance services, employing technologies like React Js and Firefox. Their clients, such as Green Galaxy, commend their excellent project management, timely updates via scrum meetings, and significant positive impact on profitability. The overall feedback highlights their cost-effectiveness and high-quality work.
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Undisclosed< $25 / hr10 - 49
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In Khmelnitsky, Ukraine, Gorgona Studio – Digital Agency is a small SEO agency. Their services include Search Engine Optimization and Social Media Marketing.
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$1,000+< $25 / hr10 - 49Dehiwala-Mount Lavinia, Sri Lanka
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Envicta (Pvt) Ltd is a web design company and website development firm. Established in 2019, their team focuses on Web Design and Web Development.
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$1,000+< $25 / hr10 - 49Karachi, Pakistan
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Gatekod Solutions is a web development company. They were founded in 2023, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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MoonDive LLC is a web development firm. They are headquartered in Everett, Washington and Noida, India, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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Twin Tech Lab is a small Dhaka, Bangladesh-based website development firm. The team offers Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Kadi, India
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Established in 2024, Orionik Technologies PVT LTD is a social media marketing agency. The team provides Social Media Marketing and Search Engine Optimization and is in Kadi, India and Toronto,
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$1,000+Undisclosed2 - 9New Albany, OH
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PortoSpire, LLC is a web design company. Their small team is in New Albany, Ohio and focuses on Web Design and Web Development. The firm was founded in 2004.
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$10,000+$25 - $49 / hr10 - 49Recife, Brazil
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Based in Recife, Brazil and Paulista, Brazil, Manifesto Games is a mobile app development firm. They focus on Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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TOPS Technologies , a small web design company, is located in Ahmedabad, India and Ahmedabad, India. Their services include Web Design and Web Development.
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Undisclosed$25 - $49 / hr10 - 49Chatswood, Australia
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Web development company iBusinessFormula was founded in 2018. Based in Chatswood, Australia, the team focuses on Web Development and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9Hamburg, Germany
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Based in Hamburg, Germany, digital40 HmbG GmbH is a small Digital Strategy company. The team provides Digital Strategy and Search Engine Optimization.
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$5,000+$25 - $49 / hr10 - 49Iași, Romania
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Hypen is a small Iași, Romania-based custom software development firm. Their services include Custom Software Development and IT staff augmentation.
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UndisclosedUndisclosed10 - 49Prishtina, Kosovo
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Simple IT Solution is a web development company. The team is based in Prishtina, Kosovo, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9Lviv, Ukraine
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Ignis Fatum LLC is a Lviv, Ukraine-based e-commerce development firm. The team provides E-Commerce Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49Dallas, TX
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Articon is a web design company established in 2020. The small team focuses on Web Design and Logo.
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$10,000+$50 - $99 / hr10 - 49Galway, Ireland
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App Design, a custom software development company, was established in 2011. The team specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Bandung, Indonesia
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Dimy Tech is a custom software development firm. Located in Bandung, Indonesia, the team provides Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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TeamSEO is a SEO agency. Established in 2019, the team offers Search Engine Optimization and Social Media Marketing.
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$1,000+$50 - $99 / hrFreelancerLa Puente, CA
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Oscar's Web Services is a La Puente, California-based web development company and e-commerce development company. They offer Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Nairobi, Kenya
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The Code Pot Technologies is an e-commerce development company launched in 2015. The team offers E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Kuala Lumpur, Malaysia
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Thrive Technologies Malaysia, an Email Marketing company, provides Email Marketing and Search Engine Optimization. The firm is based in Kuala Lumpur, Malaysia.
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$1,000+$25 - $49 / hr2 - 9Ahmedabad, India
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Bytefaze Web Solutions is a website development firm. Founded in 2021, the agency is in Ahmedabad, India. Their team specializes in Web Development and Mobile App Development.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
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InfieGrity Solutions is a cloud consulting & SI company. The Ahmedabad, India-based firm was established in 2021. Their team specializes in cloud consulting & SI and IT managed services.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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Devexcel IT Solutions, a custom software development firm, focus on Custom Software Development and Mobile App Development. They were launched in 2022.
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$1,000+$50 - $99 / hr10 - 49Dnipro, Ukraine
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BLENDER is a pay per click company. They provide Pay Per Click and Social Media Marketing and are based in Dnipro, Ukraine.
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$25,000+$200 - $300 / hr10 - 49Saskatoon, Canada
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Market Research company zu was founded in 1995. The team offers Market Research and Web Design and is in Saskatoon, Canada.
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$1,000+$25 - $49 / hr10 - 49
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Cuevasoft LLC is a mobile app development company launched in 2023. Their team provides Mobile App Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Web development firm Okta Agency offers Web Development and Advertising. They are located in Lahore, Pakistan.
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$1,000+< $25 / hr10 - 49
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Future IT Touch Private Limited, a web development company, is based in Leander, Texas and Austin, Texas. They specialize in Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Wrocław, Poland
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See all 4 projectsKysune offers comprehensive Website Development, including Web Design and Web Programming services. Reviews highlight their proficiency in reconstructing and optimizing web portals, as well as implementing new features for e-commerce platforms. Clients consistently praise their timely delivery, professional communication, and valuable insights that enhance website functionality and security.
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Undisclosed< $25 / hr2 - 9Ujjain, India
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Next Hyperlink is a web design company launched in 2022. In Ujjain, India, the team focuses on Web Design and Graphic Design.
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$1,000+< $25 / hr10 - 49Rajkot, India
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Encrypted Infoweb is a software development company established in 2022. Located in Rajkot, India, the team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9New Delhi, India
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Founded in 2016, WideUp Private Limited is a website development company. The team provides Web Development and Mobile App Development and is headquartered in New Delhi, India.
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$1,000+< $25 / hr50 - 249
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Janaki Soft is a website development company established in 2015. The firm provides Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr50 - 249Tustin, CA
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OneDigit, a midsize artificial intelligence company, is located in Tustin, California. Their services include Artificial Intelligence and Generative AI.
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$50,000+$300+ / hr2 - 9Antibes, France
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Sticky Pixel is an UX agency. They are in Shoreditch, England and Antibes, France and have small team of experts. Their services include UX/UI Design and Mobile App Development.
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$10,000+$100 - $149 / hr2 - 9Atlanta, GA
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Valene Ashia Creative Studio is a web design agency. The Atlanta, Georgia-based team offers Web Design and Web Development.
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$5,000+$50 - $99 / hr2 - 9București, Romania
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UnderWeb is a web development company. Launched in 2009, the firm is based in București, Romania. Their team focuses on Web Development and E-Commerce Development.
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$5,000+$150 - $199 / hr2 - 9Temecula, CA
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PPC company Just A Web Company, Inc. Was founded in 2011. The small team focuses on Pay Per Click and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9Deerfield, IL
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Founded in 2019, Scherbius is a small web development company headquartered in Deerfield, Illinois. Their team focuses on Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9Portland, ME
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Web development firm Northeast Media Collective was founded in 2000. The agency offers Web Development and Custom Software Development.
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$5,000+$150 - $199 / hr2 - 9
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The Round Table Agency is a branding firm launched in 2017. Their team offers Branding and Web Design.
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$10,000+$150 - $199 / hr2 - 9London, England
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Web development firm CocoonFMS Ltd was established in 2021. The small team provides Web Development and Logistics & Supply Chain Consulting.
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$5,000+$100 - $149 / hr2 - 9Rostock, Germany
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Website development firm webhub was launched in 2019. The team offers Web Development and Mobile App Development and is located in Rostock, Germany.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$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
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 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
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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+$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
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
Ability to deliver
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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% 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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
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36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% 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.