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+$25 - $49 / hr50 - 249Jaipur, India
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See all 1 projectsAnkTech Softwares Pvt. Ltd. is a web development company specializing in custom web and mobile application development. Reviews highlight their strong technical capabilities, effective communication, and seamless integration into client workflows, with 100% positive feedback emphasizing their flexibility and commitment to collaboration. Their ongoing engagement since February 2020 underscores their reliability and value in delivering tailored digital solutions.
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Undisclosed< $25 / hr50 - 249Ahmedabad, India
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See all 8 projectsTechnoville Consultants Pvt. Ltd. is a proficient web development company, specializing in Website Development and demonstrated by their successful collaboration with clients like Bagadiya & Jain. Their reviews highlight timely delivery and effective communication, with 100% of feedback being positive, particularly praising their ability to enhance online presence through quality web solutions.
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Undisclosed< $25 / hr10 - 49
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See all 4 projectsGenetech Agency provides comprehensive website development and web design services, including content creation, coding, and deployment. Client reviews highlight their strong project management, timely delivery, and effective communication. Clients noted significant improvements in website traffic, user engagement, and conversion rates, while also appreciating the agency's blend of creativity and technical expertise.
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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 2 projectsPlutus Technologies is a software development company specializing in web and mobile application development and data engineering. The company receives positive feedback for their exceptional project management, timely delivery, and adaptability, with 100% of reviewers highlighting their effective communication and resource flexibility. Clients appreciate their rapid-response troubleshooting, although improvements in onboarding processes have been suggested.
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$1,000+$100 - $149 / hr10 - 49Jaipur, India
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See all 1 projectsKP Think Private Limited is a web development company specializing in Website Development and Social Media Growth. With 100% positive feedback, clients commend their work ethics, communication, and ability to deliver measurable outcomes like increased website traffic and improved SEO. Their services align with customer values and offer good value for the cost.
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$1,000+$50 - $99 / hr10 - 49Miami, FL
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See all 4 projectsStartWise is a web development company specializing in custom website development, front-end and back-end development, and web application development. Reviews indicate a 100% satisfaction rate, highlighting their professionalism, timely delivery, and exceptional project management. Clients appreciate their attention to detail, responsiveness, and commitment to exceeding project expectations.
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$1,000+$50 - $99 / hr10 - 49Houston, TX
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See all 1 projectsWebtick Solutions is a web development company specializing in Website Development, Web Design, and Custom Website Development. With 100% positive feedback, clients commend their professionalism, responsiveness, and ability to deliver superior quality work that surpasses expectations in both web and graphic design services. The team is highly skilled and efficient, ensuring client visions are effectively translated into stunning and impactful visuals.
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$100,000+$25 - $49 / hr50 - 249Hackensack, NJ
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See all 1 projectsMaxnet Technologies is a data solutions company specializing in AI-driven insights and analytics for retail clients. According to client reviews, they delivered 55% faster processing and 30% higher accuracy, with 42% less manual work. Reviewers consistently commend their technical excellence and proactive execution, although some suggest improvements in scope change management and documentation. Overall, positive feedback is predominant.
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$5,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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See all 2 projectsOSOS is a web development company renowned for its expertise in custom website development and full-stack web development. The company has received predominantly positive feedback, with clients particularly praising their professional communication and timely project delivery. Approximately 90% of reviews commend OSOS's ability to provide intuitive solutions, while some suggest improvements in cost-efficiency and the preference for senior developers on projects.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsSingle Focus Web is a web development company specializing in custom website development and web design. They received positive feedback for their attentive customer service and ability to modernize platforms effectively, with all stakeholders expressing satisfaction with the improved website design and navigation. Approximately 100% of reviewers highlight their clear communication and project management skills.
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$1,000+< $25 / hr2 - 9
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See all 3 projectsSolveita is a web design and software development company known for creating modern, responsive websites and custom software solutions. They receive overwhelmingly positive feedback, with 100% of reviewers praising their project management, communication, and ability to meet deadlines. Clients particularly appreciate their attention to detail, technical expertise, and user-centric approach.
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$1,000+< $25 / hr10 - 49Loveland, CO
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See all 3 projectsLinkingLogics.com is a recruiting software company specializing in customized talent management solutions. The firm is highly regarded for its practical, cost-effective systems that enhance efficiency and drive revenue, with 100% of reviewers highlighting their exceptional customer service and technical expertise. Clients appreciate their prompt communication and ongoing support, noting the seamless integration and stability of their software solutions.
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$5,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 2 projectsProTechGenie is a web development company specializing in custom website development, web programming, and IT infrastructure. They have received predominantly positive feedback, with clients appreciating their commitment and reliability. A notable 100% of reviewers mentioned satisfaction with their project management skills, though some suggested improvements in design and copy elements for specific markets.
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$25,000+$100 - $149 / hr10 - 49
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See all 2 projectsGenB, Inc. is a versatile web development company specializing in custom website development, web application development, and full-stack web development. The company has garnered positive feedback for delivering high-quality, secure solutions and maintaining long-term client partnerships, with 100% of reviewers emphasizing their technical expertise and responsive project management. Clients consistently praise their commitment to understanding organizational needs and enhancing operational efficiency.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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See all 2 projectsDelphin Technologies is a web development company known for its high-quality website development and effective project execution. With 100% positive feedback, clients appreciate their skillful and friendly team that consistently delivers projects on time and precisely as envisioned, making them a reliable choice for web programming and custom website development needs.
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$10,000+$50 - $99 / hr10 - 49Tulsa, OK
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See all 2 projectsModsi is a software development company specializing in building web-based platforms using technologies like AngularJS and .NET. Feedback on Modsi is mixed; 50% of reviewers highlight excellent project management and technical expertise with timely delivery, while the other 50% express dissatisfaction with unfinished work, missed deadlines, and inadequate client management. Clients are advised to exercise caution and ensure thorough communication throughout the process.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsZengineers.company is a technology firm specializing in website and ERP system development. The reviews indicate a high satisfaction rate, with 100% of reviewers praising their communication skills, though 50% noted occasional delays. Clients appreciate their responsiveness, with one even mentioning availability on Sundays. Overall, Zengineers.company is regarded as an excellent partner for complex projects.
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$5,000+$50 - $99 / hr10 - 49Bengaluru, India
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See all 2 projectsTier2 Digital is a versatile digital agency specializing in website development and social media management. Reviews highlight their dedication, timely delivery, and high-quality output, with 100% of reviewers appreciating their adherence to client needs and budget alignment. The agency’s patience and commitment to understanding client requirements are frequently praised as their distinguishing attributes.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsSL Development is a development company specializing in custom WordPress solutions and marketing websites. Reviews highlight their exceptional project management and commitment to client success, with 100% positive feedback emphasizing their collaborative approach and ability to deliver high-quality results. Clients appreciate their strategic vision and dedication to empowering partners through the development process.
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Undisclosed$25 - $49 / hr2 - 9
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See all 2 projectsOregon IT Solutions is a web development company that specializes in web design and custom website development. They received positive feedback for affordability and quality, with 100% of reviewers appreciating their friendly, helpful service and effective project delivery. Their work significantly enhanced the client's online presence and sales, demonstrating effective project management and communication.
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$5,000+$200 - $300 / hr2 - 9
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See all 2 projectsWall Docks is a mobile app development company specializing in creating apps for both iOS and Android platforms. They have received overwhelmingly positive feedback, with 100% of reviewers praising their quick work and effective project management. Common themes include their ability to implement user-friendly features and resolve issues promptly, though some communication challenges have been noted.
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$1,000+$25 - $49 / hr10 - 49
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See all 5 projectsNova Cluster is a web development company renowned for its Custom Website Development and Web Design services. They received overwhelmingly positive feedback, with 100% of reviewers praising their speedy delivery, modern designs, and excellent customer service. Clients particularly appreciate their efficient project management and competitive pricing, which offer good value for cost.
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$10,000+$100 - $149 / hr2 - 9Edmonton, Canada
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See all 3 projectsMetric Media is a web development company specializing in technical SEO and backend website development. Their services have led to significant improvements such as a 30% increase in website speed and a 15% reduction in customer acquisition costs. Clients praise their cost-effectiveness and communication, although some suggest they expand their weekend availability.
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$1,000+$50 - $99 / hr10 - 49
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See all 2 projectsGeogreenapps It Solutions LLP is a web development company that excels in custom website development, particularly with subscription platforms and web programming. Their reviews highlight a 100% positive feedback rate, with emphasis on their timely delivery and coding expertise. Clients commend their professionalism and value-driven services.
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UndisclosedUndisclosed2 - 9Patna, India
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See all 1 projectsIND Tech Mark is a tech and digital marketing company specializing in developing high-performance platforms and executing effective digital marketing strategies. Approximately 95% of reviews highlight their technical expertise and commitment to results, with a noted 40% increase in user engagement and 25% higher conversion rates. While praised for professionalism and responsiveness, minor improvements in communication and documentation were suggested.
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Undisclosed$25 - $49 / hr2 - 9
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See all 3 projectshyperion.co is a versatile design and development firm specializing in web design and software interface improvements. With a consistent track record of delivering on time and maintaining strong communication, 100% of reviews highlight their professionalism and ability to meet client needs efficiently. Clients commend their creativity, responsiveness, and ongoing support, emphasizing their capability to transform project requirements into successful outcomes.
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$5,000+$25 - $49 / hr10 - 49Sarajevo, Bosnia and Herzegovina
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See all 1 projectsApp Impact is a web development company specializing in Web Application Development and Custom Website Development. They consistently demonstrate professionalism, expediency, and expertise, with 100% of reviewers highlighting these qualities. Their projects are completed on time, showcasing their effective project management and commitment to fulfilling client requirements.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 3 projectsCode Clinic Pvt Ltd is a web development company specializing in web design and custom website development. The reviews indicate a 100% positive feedback rating, highlighting their expertise in front-end development and user-first approach. Clients appreciate their timely delivery and seamless communication, noting their skill set as a significant asset.
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$5,000+< $25 / hr50 - 249Dommeru, India
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See all 1 projectsSarvani Software Solutions Private Limited is a web development company offering services such as Website Development, Mobile Application Development, and IT Infrastructure Management. The company received positive feedback for its exceptional project management, with an early delivery of a complex project and excellent communication. Approximately 95% of the feedback highlighted their technical expertise and responsiveness, particularly valuing their proactive communication and support post-launch.
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$10,000+$25 - $49 / hr2 - 9
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See all 4 projectsTalentsToday is a versatile technology services company specializing in building MVPs and providing talented software engineers and designers for fintech and online education startups. The company consistently receives positive feedback, with 100% of reviewers highlighting their ability to quickly meet project needs with high-quality talent, and their adaptability to client project management styles. No areas for improvement were noted by clients.
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Undisclosed$100 - $149 / hr2 - 9Cincinnati, OH
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See all 2 projectsDispersal Digital Agency is a web development company specializing in creating user-friendly websites. The feedback highlights their effective communication, timely delivery, and alignment with client values. Every review is positive, with 100% of clients expressing satisfaction, particularly appreciating the agency’s comprehensive approach, including logo creation and resource linking.
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$5,000+$25 - $49 / hr2 - 9Kharkiv, Ukraine
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See all 1 projectsSpodar Group is a software development company specializing in optimizing and refactoring code for complex email systems. Their exceptional troubleshooting skills and 24/7 availability have led to the successful resolution of critical issues, as evidenced by their ability to close all support tickets permanently. The company maintains a strong project management approach, with 100% of reviewers highlighting their effective communication and commitment to staying on budget and on time.
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$10,000+$25 - $49 / hr2 - 9Warszawa, Poland
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See all 1 projectsSuitedSoft is a custom software development company specializing in AI and machine learning solutions. They receive overwhelmingly positive feedback, with clients praising their strong technical leadership and effective project management. Approximately 90% of reviews highlight their expertise in AI and ML, and their capability to deliver high-quality results.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsSEMANTIG is a web development company specializing in custom website development and web application development. They have received 100% positive feedback, with clients praising their thorough research, effective communication, and timely project delivery. Reviewers consistently highlight their ability to create user-friendly online platforms, as evidenced by a seamless transition for a client's online store.
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$5,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 3 projectsInzol is a consultancy firm specializing in supply chain process redesign and optimization, particularly in adapting to new ERP solutions. Their professional team is praised for understanding client needs and providing effective solutions, with 100% of reviewers highlighting their impressive workflow and communication. Clients also appreciate their cost-benefit balance and innovative problem-solving strategies.
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UndisclosedUndisclosed2 - 9C.A.B.A, Argentina
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See all 7 projectsAgencia Buffalo is a versatile web development company specializing in Website Development and social media marketing. With 100% positive reviews, clients appreciate their flexibility, adherence to deadlines, and budget management. Notably, 75% of reviews highlight their adaptability and proactive communication throughout projects. Their services include custom website development and social media management, demonstrating a strong commitment to meeting clients' evolving needs.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 5 projectsAlpha Squared is a web development company renowned for its expertise in web design and development, particularly in the academic sector. The reviews highlight their exemplary customer service and professional project management, with 100% of reviewers praising their exceptional delivery and expertise. The company was recommended for their high standard of service and has been effective in meeting project timelines.
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$50,000+$150 - $199 / hr10 - 49Philadelphia, PA
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See all 3 projectsThe Tactile Group is a web application development company, excelling in both front-end and back-end development. Feedback highlights their timely delivery within budget constraints and transparent project management. Their expertise is appreciated by 98% of stakeholders, and their ability to reduce data collection burdens by 89% demonstrates their innovative approach to complex technical challenges.
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$25,000+Undisclosed10 - 49Dublin, Ireland
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See all 3 projectsSolvers is a web development company specializing in UI and UX design for web applications, particularly in the FinTech sector. With 100% positive feedback, clients praise their effective communication, experience in designing financial service solutions, and ability to enhance user engagement. Their collaborative approach and innovative designs significantly contributed to achieving project goals.
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$1,000+$25 - $49 / hr10 - 49Navi Mumbai, India
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See all 2 projectsCentillion is a web development company specializing in custom website development and web application development. Clients appreciate their professional approach, with 100% of reviews highlighting their dedication and effective communication. However, 50% suggest including more in-person meetings and clearly defining project scope to enhance collaboration. Overall, Centillion demonstrates strong project management and a commitment to client satisfaction.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 2 projectsWebInfoMart (MCSAM) is a web development company specializing in complex web programming and custom website development, including API interfaces and full-stack web development. The company receives 100% positive feedback, with clients highlighting their ability to meet deadlines and deliver on project complexities. Reviewers consistently praise their project management and communication skills.
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$1,000+$100 - $149 / hr10 - 49
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See all 14 projectsWeb Design Stop is a Web Design company that also offers Business Card Design services. The company is praised for its reasonable and reliable services, with 100% of the reviewers noting effective communication and timely delivery. An area for improvement is clearer cost explanations post-initial consultations.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsVastmesh is a web development company known for their expertise in creating custom CRM solutions. The reviews highlight their dedication and timely project delivery, with 100% positive feedback regarding the quality of their work. Clients appreciate their effective communication and project management skills, contributing to successful and ongoing collaborations.
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 7 projectsSolCoders is a web development company specializing in Custom Website Development and Web Application Development. With consistent high praise for their communication and transparency, 100% of reviewers commend their problem-solving and client-centric approach. While feedback indicates occasional delays, their exceptional project management and focus on quality work ensure a positive client experience across various web development projects.
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$5,000+$25 - $49 / hr10 - 49Bogotá, Colombia
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See all 6 projectsSLABCODE is a web development company specializing in web application and full-stack development, exemplified by their work on the MiFirma project. The reviews indicate 100% positive feedback, highlighting their smooth workflow, proactive attitude, and adaptability. Their expertise in integrating front-end and back-end technologies, such as Angular and .NET Core, is consistently praised.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsLegitratech is a web development company specializing in Website Development and SEO services. Review feedback is overwhelmingly positive, with clients highlighting their excellent product, quick response time, and effective project management. Overall, 100% of the feedback is positive, indicating client satisfaction with their services.
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$1,000+< $25 / hr2 - 9Chennai, India
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See all 1 projectsCyberMind Works is a web development company renowned for its proficiency in Web Application Development and Custom Website Development. Over 90% of the feedback highlights their high-quality output and strong project ownership, with most projects delivered on time. Clients appreciate their effective communication and alignment with project goals.
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Undisclosed$25 - $49 / hrFreelancer
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See all 1 projectsFreelance Web House is a web development company known for its expertise in maintaining websites, hosting, and blogs. Reviews highlight excellent project management and responsiveness, with 100% positive feedback on communication and satisfaction with the company's services. Most reviewers appreciate their cost-effective pricing and the ability to meet project deadlines.
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$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 1 projectsSourceX is a software development company specializing in telecommunications, focusing on billing and CRM systems using technologies like Java and React.js. Customers report a 100% satisfaction rate, highlighting their telecommunications expertise and flexibility in project scope. All reviews reflect positive outcomes and recommend SourceX for software development in the telecom sector.
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$10,000+$25 - $49 / hr2 - 9Dubai, United Arab Emirates
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See all 3 projectsQualascend is a web development company specializing in custom website and web application development. With a focus on clarity, timeline adherence, and cost-effectiveness, they have consistently delivered successful projects, as noted by 100% positive feedback from reviewers. Approximately 50% of clients highlight their effective communication and ability to meet budgets.
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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.