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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$1,000+$50 - $99 / hr2 - 9Gent, Belgium
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See all 1 projectsESKIDOOS is a Web Development company specializing in Website Development and Web Design. The team is praised for its open communication and friendly project management style, resulting in high client satisfaction. A significant 100% of reviewers commend their service, highlighting the personal touch as a standout feature.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 4 projectsZenibyte Creative Ltd is a web development company specializing in custom website development and web design. Reviews indicate a high level of satisfaction, with 100% of clients praising their responsiveness and effective communication. Notably, 50% of reviewers highlight their ability to exceed expectations with user-friendly and informative designs that significantly streamline administrative tasks and increase inquiries.
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$5,000+< $25 / hr10 - 49Surat, India
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See all 3 projectsCoder Infosys is a technology company specializing in mobile app development with capabilities in Web Development. Their reviews highlight a strong emphasis on fast delivery, effective communication, and excellent customer support, with 100% of reviewers noting these strengths. Coder Infosys was chosen for their high ratings and budget-friendly pricing, delivering projects on time with clear documentation.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 2 projectsToBeCode is a web development company specializing in custom and full-stack web development services. Reviews highlight their strong project management, with 100% of clients noting effective communication and commitment to projects. The team is praised for their problem-solving skills and attention to client needs, with 50% appreciating their detailed client-focused approach.
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$5,000+$100 - $149 / hr2 - 9
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See all 2 projectsShop is a web development company specializing in custom website development and backend functionality enhancements. They consistently receive positive feedback, with clients highlighting their creativity, technical skills, and reliable project management. Notably, 100% of reviewers appreciate their effective communication and trustworthiness.
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$5,000+$100 - $149 / hr2 - 9BVB, Argentina
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See all 1 projectsBracketmedia is a distinguished web development company specializing in custom WordPress and enterprise-level projects. Reviewers consistently praise them for their expertise, responsiveness, and strategic resource planning, with 100% positive feedback highlighting their reliability and process-oriented approach. They are not a budget option but are commended for being a best-in-class partner.
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$1,000+< $25 / hr2 - 9Yerevan, Armenia
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See all 1 projectsInstall is a web development company providing website development, technical support, and hosting services. Clients highly appreciate their prompt problem-solving capabilities and continuous support, with 100% of reviewers expressing satisfaction. They excel in managing projects through effective communication and platforms, ensuring seamless collaboration and client satisfaction.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 2 projectsFuturiX Solutions is a web development and SEO agency renowned for its technical expertise and design acumen. In their work with LIMETTE Interior Design, they achieved a 30% increase in website traffic and a 24% boost in conversion rates, demonstrating their capability to enhance visibility and user experience effectively. All feedback was overwhelmingly positive, highlighting their proficiency in blending UX improvements with SEO enhancements.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsZwebra Web Studio Inc. is a full-stack web development company known for its expertise in custom website development and web design. With 100% positive reviews, clients praise their efficient project management, excellent communication, and ability to deliver high-quality, creative solutions. Their commitment to client satisfaction is highlighted through their adaptability and focus on building exceptional products.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 2 projectsHK Technolab is a web and mobile application development company renowned for their expertise in eCommerce, events directories, and GPS-based applications. Across their reviews, 100% of clients commend their project management skills, attentiveness, and user-friendly designs. Their services have effectively supported business launches and ensured seamless development processes, although some areas for improvement were noted for future discussions.
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UndisclosedUndisclosed10 - 49Omaha, NE
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See all 1 projectsVolano Software is a custom website development company specializing in mobile application and web-based platform development, including web application development and SQL backend systems. Client feedback consistently highlights their integrity and dedication, with 100% positive reviews emphasizing their ability to effectively meet business needs and enhance operational efficiency through strategic online development.
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 2 projectsXperge is a versatile digital solutions company specializing in video production and mobile app development. The company is praised for its effective communication, reliability, and cost-effective services, with satisfaction reported by 100% of reviewers. Clients appreciate their proactive problem-solving and ability to handle complex requirements, highlighting their strong project management skills and excellent customer service.
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$10,000+$25 - $49 / hr50 - 249Ernakulam, India
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See all 2 projectsHiFX IT & Media Services is a web development company specializing in custom website development and full-stack web development. With positive feedback from 100% of reviewers, they are praised for their tailored solutions, efficient communication, and ability to meet milestones. While their design capabilities may not be their strongest suit, their technological expertise and dedication to client satisfaction are highly commended.
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$1,000+$25 - $49 / hr2 - 9Skopje, North Macedonia
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See all 2 projectsversacode provides comprehensive Website Development services, including creating functional, user-friendly websites that integrate seamlessly with cloud services and automate processes such as email and receipts. Reviews emphasize their high professionalism, responsiveness, and consistent delivery of projects on time without any bugs, showcasing their expertise in Web Programming and Web Design.
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$5,000+< $25 / hr2 - 9Dubai, United Arab Emirates
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See all 6 projectsCodyexa for IT and Smart Systems is a web development company specializing in tailored website development, including custom website creation and SEO services. Reviews indicate a high level of client satisfaction, with 100% of feedback highlighting their meticulous attention to detail and effective project management. Clients commend their dedication to honoring agreements and delivering high-quality results.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsExpletech is a web development company noted for its professional assistance in Website Development and Web Design. The firm excels in delivering projects punctually and within budget, as evidenced by the 100% positive feedback on their direct communication and project management. Reviewers consistently highlight their human touch and effective virtual meetings.
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$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 8 projectsVeloxcore Private Limited is a web development company specializing in custom website development and full-stack web development solutions. Their technical expertise and attention to detail have consistently impressed clients, with 100% of reviews highlighting their strong project management skills and effective communication. Veloxcore's high interview passing rate and ability to meet or exceed expectations demonstrate their proficiency in web programming and web application development.
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$5,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 3 projectsNine Commerce is a web development company specializing in custom website development and web design, with a particular expertise in Shopify and ReCharge integrations. Feedback from their clients is overwhelmingly positive, with 100% of reviews praising their fast communication and ability to deliver quality results. Clients appreciate their capability in transforming and customizing web platforms effectively.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 2 projectsCodepunch Ltd is a proficient web development company specializing in website development and web design. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their excellent communication and timely delivery. Their expertise in UX design is particularly noted, making them a strong choice for web programming and development projects.
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$5,000+$25 - $49 / hr10 - 49Chișinău, Moldova
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See all 2 projectsOptimum-Web is a web development company known for its expertise in custom website development and web application development. With a 90% satisfaction rate among users and a 40% increase in user engagement, the company is praised for its commitment to quality, attention to detail, and exceptional project management skills.
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$10,000+$100 - $149 / hr2 - 9London, England
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See all 2 projectsO'Dwyer Software is a software development company specializing in Python and JavaScript projects. Reviews highlight their expertise in delivering complex solutions efficiently, with 100% of reviewers appreciating their project management skills and adaptability to Agile methods. Clients commend their ability to understand requirements thoroughly, resulting in improved performance and timely delivery.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsTheDevGarden is a full-stack web development company known for crafting visually engaging and user-friendly websites. Their team excels in delivering projects on time, with 100% of reviewers praising their commitment to quality and project management. Furthermore, their ability to integrate systems and enhance user experience consistently receives positive feedback.
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$10,000+$25 - $49 / hr50 - 249
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See all 5 projectsBetaBulls Inc is a web development company specializing in custom website development and web application development. Clients commend their timeliness, flexibility, and strong communication, with 100% of reviewers expressing satisfaction and praising their ability to adapt to changing requirements. Their commitment to delivering comprehensive development and support services is highlighted across multiple projects.
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$10,000+$50 - $99 / hr2 - 9Surry Hills, Australia
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See all 6 projectsSCSS Consulting is a web development company specializing in full-stack and custom website development, with expertise in integrating platforms using technologies like Django CMS and Angular/NodeJS. Their clients consistently highlight their strong project management, responsiveness, and thorough understanding of complex requirements, with around 90% of reviewers mentioning these positive attributes. The company is praised for its ability to meet tight deadlines and maintain clear communication throughout projects.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 1 projectsInfo Stans is a mobile application development company known for completing projects efficiently and maintaining strong communication through email and Google Docs. Over 90% of the feedback highlights their trustworthiness and timely delivery, with clients expressing satisfaction with their ability to handle complex tasks without prior code knowledge.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsKey Software is a technology company specializing in advanced IT solutions, including cloud services and OCR, with a focus on healthcare systems. Their reviews highlight their flexibility and commitment to deadlines, even if it extends the timeline, with 100% positive feedback on their project management and customization capabilities.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsA Web and Mobile Studio is a web development company specializing in custom website development, web design, and online development. With 100% positive feedback, clients commend their user-friendly designs and efficient project management. Their ability to quickly deliver high-quality, tailored web solutions without the need for extensive client input is frequently highlighted by reviewers.
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$1,000+$50 - $99 / hr10 - 49
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See all 3 projectsStarq is a proficient web development company specializing in services such as Web Programming and Custom Website Development. They have consistently received positive feedback for their seamless communication and effective project management, with clients appreciating their professionalism and the quality of their work. Over 90% of reviewers highlight Starq's expert team and the value they bring to projects, despite higher pricing.
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$1,000+$100 - $149 / hr2 - 9Hamburg, Germany
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See all 5 projectsSpaceride is a web development company specializing in full-stack web development, web design, and custom website development. Clients consistently praise their project management style, timeliness, and ability to enhance search engine optimization, with 100% of reviews noting significant improvements in online visibility and website functionality. The firm is recognized for its innovative problem-solving and exceeding client expectations.
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$10,000+$25 - $49 / hr50 - 249Oakville, Canada
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See all 3 projectsGeoviz is a versatile technology company specializing in SaaS platform development, inventory management, and digital sales solutions. The reviews indicate a 100% positive feedback rate, consistently highlighting their professionalism, expertise, and reliability. Clients commend their robust project management, hands-on approach, and ability to enhance sales and compliance processes. Geoviz is frequently praised for their ability to improve software efficiency and adaptability.
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$1,000+< $25 / hr10 - 49Tashkent, Uzbekistan
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See all 1 projectsColibrisoft is a web development company renowned for its exceptional service delivery in Web Application Development and Full-Stack Web Development. Clients consistently praise their professionalism, timely delivery, and commitment to excellence, with 100% of reviewers highlighting their customer-centric approach and project management skills. Their ability to enhance client projects through innovative solutions is widely recognized.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 15 projectsI Mate Plus is a professional web development company specializing in custom website development, back-end development, and web design. Reviews highlight their responsive, organized, and professional approach, with 100% positive feedback on their timely project delivery and effective communication. Approximately 67% of reviewers praise their project management and attention to detail, emphasizing their commitment to business outcomes.
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$50,000+$150 - $199 / hr50 - 249Kansas City, MO
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See all 5 projectsViagio Technologies is a versatile app development company known for delivering tailored software solutions across various industries, including insurance, IoT, and retail. With a strong focus on user experience and responsive support, 100% of reviewers highlight their impressive project management and adaptability. Clients consistently commend Viagio Technologies for their speed, reliability, and proactive approach in enhancing technology solutions to meet evolving business requirements.
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$25,000+$100 - $149 / hr2 - 9Phoenix, AZ
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See all 4 projectsVelocity Labs is a software development company specializing in creating and maintaining custom applications and platforms using Ruby on Rails. Across their reviews, 100% of the feedback is positive, highlighting their reliability, innovation, and effective project management. Clients commend them for delivering high-quality solutions and having a strong communication process, with 75% of reviews noting their impressive problem-solving capabilities.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsCopernik is a software development company specializing in integration services. The reviews highlight their effective project management, with 100% of reviewers noting timely delivery and error-free implementations. Clients appreciate the company's value for cost, responsiveness, and the ability to meet all expectations without needing improvements.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 3 projectsDeveit is a proficient web development company specializing in custom website development, web application development, and full-stack web development services. They consistently receive positive feedback, with reviewers highlighting their exceptional project management, timely delivery, and strong communication skills. Notably, 100% of reviewers mention their professionalism and technical expertise, which significantly contribute to successful project outcomes.
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$25,000+$50 - $99 / hr10 - 49Islamabad, Pakistan
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See all 6 projectsApplivity is a web development company specializing in custom website development, full-stack web development, and web application development. They have received overwhelmingly positive feedback, with 100% of reviewers noting their technical skill, timely delivery, and value for cost. Clients appreciate their proactive approach and ability to suggest effective solutions, while areas for improvement are minimal.
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$5,000+$25 - $49 / hr10 - 49Edmonton, Canada
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See all 1 projectsACIAGA Inc. is a web development company praised for its expertise in digital marketing and custom website development. Clients report significant improvements in traffic and leads, with 100% positive feedback highlighting their professionalism, clear communication, and data-driven approach in delivering visually appealing and conversion-optimized websites.
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$10,000+$50 - $99 / hrFreelancer
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See all 1 projectsMade by Porter is a web and app design company known for their creativity and impressive design capabilities. Feedback indicates that 100% of reviewers appreciate their design quality, though some mention occasional misalignment with specific requirements. Despite these minor issues, their work contributes to notable success, such as a 70% conversion rate for a client's website.
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$1,000+$25 - $49 / hr10 - 49Lagos, Nigeria
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See all 3 projectsAstract9 is a web development company specializing in custom website development, web application development, and technology advisory services. With a 100% positive feedback rate across reviews, clients commend their creativity, flexibility, and effective communication. Notably, they maintain high application uptime and deliver projects promptly, making them a reliable partner for technical web projects.
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$5,000+$50 - $99 / hr2 - 9
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See all 2 projectsNexTekk LLC is a web development company specializing in building custom administrative web platforms. They have received 100% positive feedback from clients, highlighting their responsiveness and effective project management. Their solutions have significantly enhanced business efficiencies, saving clients substantial time and costs, and enabling scalability.
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$1,000+< $25 / hr50 - 249Noida, India
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See all 2 projectsNew Vision Digital is an SEO and PPC agency praised for its effective communication and client-focused approach. Clients report seeing results quickly, with 100% of reviewers noting timely outcomes for both SEO and PPC services. The agency's seamless workflow and dedication to addressing client queries are frequently highlighted.
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$5,000+$25 - $49 / hr10 - 49Lalitpur, Nepal
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See all 11 projectsMakura Creations is a web development company specializing in custom website development and full-stack web development, along with offering services in social media management and branding. Their reviews reflect a 100% positive feedback rate, highlighting their creativity, efficiency, and understanding of client needs. Over 80% of reviewers commend their responsiveness and ability to deliver projects on time.
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$10,000+Undisclosed2 - 9
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See all 13 projectsDiverse Programmers, LLC is a web development company specializing in custom website development and full-stack web development. Clients commend their expertise and reliability, with 100% of reviewers highlighting their strong communication and impressive technical skills. The firm is noted for exceeding project requirements, though clients suggest clearer initial project alignment.
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$25,000+$150 - $199 / hr10 - 49Washington, DC
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See all 6 projectsagencyQ is a full-service web development and digital solutions firm specializing in website design, development, and strategic online services. They have consistently received positive feedback for their expertise in full-stack web development, flexibility, and proactive project management, with a notable emphasis on technical competence and security. Approximately 85% of reviewers highlight their exceptional customer service and willingness to exceed expectations, although initial design stages could benefit from refinement.
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$100,000+$50 - $99 / hr50 - 249
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See all 2 projectsSPsoft is a web development company specializing in web application development, custom website development, and full-stack web development. Reviewers praise their commitment and partnership approach, with 90% highlighting their effective project delivery. However, feedback suggests improvements in proactive communication and time efficiency. Overall, SPsoft demonstrates a strong dedication to client success and collaborative relationships.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 10 projectsQuanticEdge Software Solutions LLP is a web development company specializing in custom website development, full-stack web development, and web application development. With consistent praise for their excellent communication and timely delivery, 100% of reviewers commend their commitment, quality, and customer service. They are recognized for their ability to meet project goals efficiently and effectively.
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Undisclosed$100 - $149 / hr10 - 49London, England
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See all 5 projectsActivate Media is a web development company specializing in custom website development and design, with additional expertise in content management systems and web programming. Clients report a high level of satisfaction, with 100% of reviewers highlighting their responsiveness and timely delivery. However, communication with specific developers could be improved to enhance project clarity.
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$1,000+$25 - $49 / hr50 - 249Chanthavila, India
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See all 1 projectseGlobe IT Solutions is an eCommerce support and development company specializing in Magento platform upgrades and customizations. With a longstanding partnership, clients appreciate their technical expertise and effective project management, as highlighted by a 95% success rate using Basecamp. Reviewers commend their knowledge and solution-oriented approach, though continuous improvements in communication are suggested.
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$10,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 4 projectsDeliaSoft Sp. z o.o. is a web development company specializing in custom website development, web application development, and full-stack web development, evidenced by their use of Angular and Node.js. They received 100% positive feedback for their agile and solutions-focused approach, impressing clients with their dedication to understanding business needs and delivering projects on time. However, some clients noted room for improvement in competitive pricing and additional training support.
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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
Ability to deliver
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
Ability to deliver
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.