Top JavaScript Developers
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.
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$25,000+$25 - $49 / hr50 - 249Zapopan, Mexico
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See all 7 projectsDerevo S.A. de C.V. is a web development company specializing in custom web application development with a focus on user-friendly design and effective project management. Their clients report a 100% satisfaction rate, praising their ability to translate business requirements into technical solutions and consistently meet deadlines. Approximately 50% of reviewers highlight their exceptional project management and collaborative approach.
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$1,000+$25 - $49 / hr50 - 249
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See all 4 projectsINSCAPERS Pvt Ltd is a web development company specializing in Website Development and Web Design, offering full-stack solutions including content strategy and digital marketing. Reviews reflect a 100% positive sentiment, highlighting their creativity, technical expertise, and commitment to delivering exceptional results, with frequent commendations for effective project management and client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Austin, TX
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See all 10 projectsLinkitsoft I.T Solutions is a web development company specializing in custom website development, web design, and web application development. With a 100% positive feedback rate, clients praise their timely delivery, creativity, and efficient project management. Their expertise in both front-end and back-end development has led to increased user engagement and conversions.
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$1,000+< $25 / hr10 - 49New Delhi, India
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See all 5 projectseSign Web Services Pvt Ltd is a proficient SEO agency renowned for delivering significant improvements in search engine rankings and digital marketing outcomes. A remarkable 100% of reviewers highlight their expertise in SEO and effective communication. Clients commend their transparency, responsiveness, and commitment to detail, resulting in enhanced online visibility and sales across various sectors.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 4 projectsAegasis Labs is a web development company that specializes in custom website development, full-stack web development, and web application development. Their reviews highlight a strong commitment to delivering high-quality, user-friendly solutions, with 100% of feedback emphasizing successful project completion and effective communication. Clients appreciate their ability to align technical architecture with business goals, although some suggest streamlining communication for more timely updates.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 2 projectsFlexSolution is a software development company specializing in workflow functionality, UI customization, and integration solutions. They have consistently delivered high-quality work on time and within budget, with 100% of reviewers praising their communication, reliability, and ability to meet deadlines. Clients appreciate their proactive approach, technical expertise, and the scalability of their services.
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$10,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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See all 6 projectsInmost specializes in Website Development, creating complex podcast websites, eCommerce platforms, and game applications. Client feedback highlights their exceptional professionalism, effective communication, and alignment with client values. Their ability to accurately deliver on promises and foster strong client relationships is consistently praised.
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$10,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 5 projectsTechbit Solutions Pvt. Ltd. is a web development company specializing in building secure, quick-loading websites and eCommerce solutions. Their work is frequently praised for strong communication, timely delivery, and excellent value, with 100% positive feedback highlighting their professionalism and expertise in Web Development.
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$1,000+$50 - $99 / hr10 - 49Bloomfield, IA
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See all 7 projectsHill Productions & Media Group, Inc. is a web development company that excels in custom website development and online marketing strategies. A client reported a 400% increase in sales with their innovative advertising techniques and commended their project management and communication skills. The feedback is overwhelmingly positive, with 100% of reviewers noting their effectiveness in boosting online sales and providing high-quality web solutions.
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$10,000+$150 - $199 / hr10 - 49
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See all 7 projectsWebgamma, a web development company, receives overwhelmingly positive feedback, with clients praising their effective communication and client-focused approach. Approximately 100% of reviewers highlight their ability to deliver customized solutions, such as branding and user-friendly web development services. Their expertise in web design and commitment to client needs contribute significantly to successful project outcomes.
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$10,000+$25 - $49 / hr10 - 49Bjelovar, Croatia
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See all 5 projectsSIGIT Agency is a proficient web development company specializing in custom web application development and full-stack web development. The agency receives overwhelmingly positive feedback, with clients praising their agile project management and timely delivery of projects. Key attributes highlighted include their adaptability to new project requirements and their effective communication and execution, with no areas for improvement noted by reviewers.
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$25,000+Undisclosed10 - 49Adelaide, Australia
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See all 2 projectsThe Digital Embassy is a web development company known for offering comprehensive Website Development and digital marketing solutions. They excel in understanding client needs and delivering measurable results, as evidenced by 100% positive feedback. A significant 100% of reviewers praise their project management skills, highlighting efficient communication and timely delivery.
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$1,000+$200 - $300 / hr10 - 49Mumbai, India
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See all 1 projectsRococo Consultant Pvt Ltd is a digital marketing and website development company recognized for its exceptional service quality and strategic project execution. The reviews highlight a 100% positive feedback rate, emphasizing their knowledgeable team and effective digital marketing strategies, such as SEO and social media marketing, which have significantly increased sales and brand awareness.
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$10,000+$50 - $99 / hr2 - 9
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See all 2 projectsHyract is a web development company specializing in custom website development and web application development. Their reviews reflect a 100% positive sentiment, with particular praise for their professionalism, effective communication, and commitment to quality. Approximately 90% of reviewers highlight Hyract's ability to deliver on promises and exceed expectations, emphasizing their meticulous attention to detail and innovative solutions.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsNexios Technologies LLP offers services in website development, web design, and mobile app development. Reviews highlight their technical expertise, timeliness, and effective communication, with clients noting high satisfaction and measurable outcomes such as return on investment and quality performance. The company's strong post-launch support and alignment with client values are also frequently praised.
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$5,000+$50 - $99 / hr10 - 49Bengaluru, India
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See all 2 projectsAppsWise Technologies is a software development company specializing in creating modular and user-friendly applications. The overall feedback from clients is highly positive, with approximately 90% praising their responsiveness, technical skills, and ability to understand client needs. However, some suggest improvements in testing processes and project estimations. Clients appreciate their strong work ethic, transparent communication, and dedication to delivering projects on time.
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$5,000+$25 - $49 / hr10 - 49Rajkot, India
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See all 7 projectsBaya Digital is a web development company specializing in custom website development and web application development. With a focus on fast and effective project management, 100% of reviewers praise their agility, responsiveness, and ability to deliver comprehensive, high-quality solutions. Clients consistently commend their professionalism and the positive impact on business operations.
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$10,000+$100 - $149 / hr10 - 49Port Moody, Canada
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See all 1 projectsRedstamp Agency is a web development company renowned for its custom website development and full-stack web development services. Clients praise their exceptional project management and technical expertise, with 100% of reviews highlighting successful outcomes and seamless communication. Notably, their ability to exceed timelines and enhance user efficiency is frequently mentioned.
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$5,000+< $25 / hr10 - 49Indore, India
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See all 2 projectsBitibe Technologies Pvt Ltd is a web development company specializing in dynamic website development and web application solutions, including admin panel integration. With a 100% positive feedback rate from reviewers, clients commend Bitibe's attention to detail, effective project management, and excellent communication throughout the development process. Noteworthy is their commitment to understanding and enhancing existing organizational processes.
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$5,000+< $25 / hr10 - 49Mumbai, India
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See all 1 projectsAppectual IT Solutions is an IT solutions provider specializing in application development, utilizing technologies such as SQL, .NET, and ASP.NET. Reviews highlight their commitment and responsiveness to client needs, with 100% of clients praising their availability and adaptability. However, potential clients should note their smaller scale, which may impact resource planning. Overall, Appectual IT Solutions received positive feedback for timely delivery and project involvement.
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Undisclosed$25 - $49 / hr2 - 9Cape Town, South Africa
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See all 2 projectsThe Mail Exchange CC is a web development company offering comprehensive services such as Web Development, Web Design, SEO, and e-commerce solutions. They are praised for their responsiveness and commitment to deadlines, with 100% of reviewers highlighting their ability to deliver projects on time and exceed expectations, resulting in satisfied clients and a seamless project completion experience.
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$10,000+$25 - $49 / hr50 - 249to, Poland
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See all 3 projectsElasticsoft is a versatile software development and QA company, praised for its flexibility and expertise in providing tailored solutions for diverse industries. Across reviews, 100% of clients highlight their effective communication, swift integration into projects, and positive impact on project timelines. Notably, 100% of reviewers commend their professional staff and adaptability to client needs without noting any significant shortcomings.
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$5,000+$100 - $149 / hr2 - 9Portland, OR
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See all 4 projectsIris Creative Co. is a web development company specializing in custom website development and web design. They have received 100% positive feedback, with clients praising their ability to deliver modern, easy-to-navigate websites that reflect their clients' identities. Reviewers frequently mention their effective project management and strong communication skills, highlighting their dedication to exceeding client expectations.
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$1,000+$25 - $49 / hr10 - 49Manchester, England
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See all 3 projectsCrimson Edge Technologies Ltd is a web development company specializing in custom software and web application development. They excel in delivering high-quality outputs efficiently, with 100% positive feedback highlighting their speed and ability to automate business processes. Most reviewers commend their proficiency in full-stack web development using PHP and Laravel.
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$1,000+$50 - $99 / hr10 - 49Ramona, CA
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See all 4 projectsSansaraHub is a graphic design company renowned for producing high-quality logo designs. Reviews consistently highlight their quick response times, professionalism, and effective project management. Both clients cited high satisfaction, with 100% noting their timely delivery and creativity. Only praise was given, with no areas for improvement mentioned, showcasing their commitment to client satisfaction.
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Undisclosed$25 - $49 / hr2 - 9Portsmouth, England
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See all 4 projectsAxons is a web development company known for delivering comprehensive services in full-stack web development and web application development. With 100% of reviews highlighting their timely delivery and integration into client teams, they excel in creating secure, functional solutions. Reviewers also praise their creativity and understanding of client needs, though 50% suggest minor improvements in documentation.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsBraingow is a digital agency specializing in website revamp, speed optimization, and traffic gathering. The feedback from their clients is overwhelmingly positive, with 100% of reviewers highlighting their effective strategies and on-time delivery. Their strong project management and helpful resources stand out, with no suggested areas for improvement noted.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
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See all 7 projectsDhrubok Infotech Services Ltd. is a Web Development company specializing in responsive web application development with strengths in both front-end and back-end development. The overall feedback is positive, noting their reliability, domain expertise, and effective communication, with early communication delays resolved. Approximately 80% of reviewers highlight their impressive problem-solving and project management skills.
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$10,000+$25 - $49 / hr10 - 49Dover, DE
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See all 2 projectsDigital Pharma Team is a web development company specializing in digital solutions, including web programming and custom website development. They received overwhelmingly positive feedback for their ability to integrate smoothly with client teams and deliver high-quality, user-friendly digital projects, with 100% of reviewers highlighting their responsiveness and strategic insights in achieving competitive digital presence.
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$5,000+$25 - $49 / hr2 - 9Kingston, Jamaica
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See all 1 projectsDCI Solutions is a software development company specializing in creating scalable, web-based applications for financial services. Review feedback indicates a strong emphasis on responsiveness and understanding of business needs, with 100% positive comments on their project management and communication. However, 100% of reviewers noted a need for improved documentation timeliness.
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$1,000+$25 - $49 / hr2 - 9Wrocław, Poland
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See all 2 projectsTigriWeb is a full-stack web development company known for its technical expertise and client-centered approach. All reviewers commend their ability to deliver visually appealing, intuitive, and functional websites, with 100% positive feedback highlighting their project management and flexibility. They excel in increasing website traffic, user engagement, and conversion rates.
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$50,000+$50 - $99 / hr50 - 249Ljubliana, Slovenia
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See all 1 projectsSetronica is a software development company specializing in full-stack web development and web programming, particularly within enterprise software in the Java space. Overall, feedback is highly positive, with clients lauding their deep domain knowledge and commitment to understanding project goals. Approximately 90% of reviewers appreciate their strong project ownership, while some note room for improvement in smooth delivery adaptation.
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$5,000+$25 - $49 / hr50 - 249
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See all 1 projectsEUREKA Bespoke IT Solutions is a full-stack web development company known for its expertise in communication applications, particularly video calling and VoIP technology. Clients consistently commend EUREKA for their reliability and professionalism, with approximately 95% of projects delivered on time and within budget. Their ability to develop custom solutions without relying on third-party software is a standout feature.
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$5,000+$25 - $49 / hr50 - 249Mumbai, India
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See all 11 projectsBuzzlink Studios - Top Website Development Company in Mumbai, is a leading provider of custom website and web application development, excelling in full-stack web development, including front-end and back-end development. Customer feedback is overwhelmingly positive, with 90% of reviewers praising their expertise and ability to deliver tailored solutions. Clients commend their exceptional project management and understanding of business needs.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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See all 4 projectsSumay Infotech is a dynamic web development company specializing in custom website development and full-stack web development services. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their technical expertise and professionalism. Clients particularly praise their ability to enhance user engagement and streamline online development processes.
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$5,000+< $25 / hr50 - 249
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See all 1 projectsHuviTek is a consulting firm specializing in the automation of business processes and access controls, excelling in updating applications with SAP and SAP Fiori technologies. The company has received positive feedback, with reviewers highlighting their exemplary work, impressive documentation, and agile project management. HuviTek consistently delivers 3 to 4 functional updates monthly without missing deadlines.
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$5,000+< $25 / hr10 - 49Dubai, United Arab Emirates
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See all 2 projectsServiots Technology Pvt. Ltd. is a web development company that specializes in Custom Website Development and Web Programming. Their dedication and customer-centric approach are consistently highlighted, with 100% of reviewers praising their timely delivery and commitment to quality. This company is highly recommended by clients for its expertise and professional execution in web development projects.
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$1,000+$25 - $49 / hr10 - 49Denton, England
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See all 2 projectsDevOasis Technologies is a web development company specializing in web programming, front-end and back-end development, and custom website development. The feedback highlights their professionalism, adaptability, and coding expertise, with 100% of reviewers praising their flexibility and creativity. However, there is a minor suggestion for improving task list management.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 5 projectsMetWaves Technologies is a web development company specializing in custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback, with 85% of reviewers highlighting their impressive project management and innovative solutions. Clients commend their ability to deliver on schedule and provide excellent support, making them a reliable partner for diverse web programming projects.
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$10,000+$25 - $49 / hr50 - 249Surat, India
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See all 3 projectsVision Infotech is a web development company specializing in program maintenance and custom website development, with a strong focus on WordPress solutions. They have garnered positive feedback for their communication and ability to integrate complex functionalities, as evidenced by ongoing projects with significant investments. Approximately 100% of reviews appreciate their technical problem-solving skills and cost-efficiency.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 1 projectsNOI Technologies LLC is an e-commerce and ERP development company recognized for its technical expertise and comprehensive consultancy services. Feedback is overwhelmingly positive, with a notable emphasis on their excellent project management, timely delivery, and scalability of solutions. Approximately 100% of reviewers highlight the company's effective communication and strong technical knowledge.
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$10,000+$25 - $49 / hr2 - 9
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See all 2 projectsWizardsHive is a web development and online marketing company renowned for its expertise in enhancing online sales and digital visibility. With an impressive 100% positive feedback rate, clients commend their professional project management, tailored strategies, and responsiveness. Approximately 20% of reviews suggest the need for more frequent updates on campaign progress.
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$10,000+$25 - $49 / hr10 - 49Trieste, Italy
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See all 2 projectsSQRD.tech is a software development company specializing in staff augmentation and custom solution development, utilizing technologies like Java, React, .NET Core, and C#. They are highly praised for their experienced and dedicated team, proactive communication, and seamless integration into clients' workflows. With 100% positive feedback, clients commend their flexibility, professionalism, and value for cost.
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$5,000+$100 - $149 / hr2 - 9St Albans, England
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See all 4 projectsKatalysis Net is a web development company known for its custom website development and comprehensive web design services. With a focus on delivering high-quality and creative brand designs, 100% of reviewers commend their effective project management and seamless communication. The company excels in web application development, particularly in enhancing brand identity and optimizing client engagement through strategic online development solutions.
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$25,000+$25 - $49 / hr50 - 249Montevideo, Uruguay
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See all 1 projects1950Labs is a web development company specializing in creating elegant and effective localized websites. According to client reviews, they are praised for their professionalism, quality, and speed, with a 100% satisfaction rate. Notably, the company excels in delivering clean and purposeful web solutions, as highlighted by all reviewers.
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Undisclosed$50 - $99 / hr2 - 9
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See all 2 projectsFetosoft is a web development company specializing in application development and custom software solutions. With a 100% positive feedback rate, clients praise their efficient project management, timely delivery, and personalized approach. Approximately 50% of reviewers highlighted their responsiveness and commitment to understanding client needs.
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$10,000+$50 - $99 / hr10 - 49Tampa, FL
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See all 3 projectsModernized Mobile LLC is a software development company specializing in website development and social media optimization. Reviews highlight their effective communication, timely project completion, and comprehensive service offerings, with 100% positive feedback on their ability to enhance online presence and engagement, particularly appealing to younger audiences.
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$10,000+$50 - $99 / hr10 - 49Mumbai, India
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See all 3 projectsSTYLABS is a full-stack web development company specializing in website design, web application development, and custom software solutions. Their work is consistently praised for blending innovation with practicality, with 100% of reviewers noting enhanced efficiency and improved client collaboration. They excel in creating visually engaging, user-friendly solutions tailored to client needs.
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$75,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 2 projectsIT Resistance is a software development company, specializing in enhancing digital platforms and building robust IT infrastructures. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their value for cost, alignment with company values, and proficient project management. Their transparent, product-centric approach and expertise in both front and backend development have significantly contributed to the success of clients' projects.
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$1,000+$25 - $49 / hr10 - 49București, Romania
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See all 7 projectsDealinweb SRL is a web development company specializing in custom website development, web design, and web application development. Across multiple reviews, 100% of clients praised their timely delivery, professionalism, and exceptional communication. Their ability to enhance user experience and implement innovative, data-driven solutions was highlighted by 67% of reviewers, establishing them as a reliable partner in achieving business objectives.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
Ability to deliver
38.5/40.019.2/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% 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.