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+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 8 projectsSdreatech Private Limited is a web development company highly praised for its ability to deliver visually appealing and organized websites. The reviews highlight exceptional project management, with a fast turnaround time and effective communication, earning overwhelmingly positive feedback (100% satisfaction) from clients. The firm demonstrates expertise in full-stack web development, meeting client expectations with professionalism and insightful suggestions.
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$1,000+< $25 / hr2 - 9Coimbatore, India
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See all 1 projectsNiralSpectrum Solutions is a full-stack web development company specializing in custom website development, including responsive e-commerce solutions. The feedback is overwhelmingly positive, with 100% of reviewers praising their user-friendly design and excellent project management. Clients appreciate their customer-first approach and seamless integration of analytics tools to enhance website performance.
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UndisclosedUndisclosed10 - 49Rajkot, India
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See all 11 projectsWhite Label Fox is a web development company specializing in app development and custom website development. They consistently receive positive feedback, highlighted by their commitment to delivering projects on time and within budget. Over 90% of reviewers commend their professionalism, responsiveness, and attention to detail, often exceeding client expectations in both communication and technical proficiency.
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$50,000+Undisclosed10 - 49San Diego, CA
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See all 5 projectsOdyssey Computing, Inc. is a web development company specializing in mobile apps, web-based applications, and cloud services. With 100% positive feedback, clients commend their professionalism, efficiency, and high-quality work, often exceeding expectations. Their expertise in custom website development and seamless team integration is consistently highlighted.
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$1,000+$25 - $49 / hr10 - 49Mumbai, India
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See all 1 projects10xtech.co.in is a technology service provider specializing in mobile app development, CMS, and MIS systems. All reviews highlight their professionalism, responsive communication, and alignment with client values, with 100% positive feedback emphasizing their integrity and capability. A managing director praises their understanding of startup needs and cost-effective pricing.
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$5,000+Undisclosed2 - 9Ballwin, MO
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See all 5 projectsData Dynamics, Inc. is an IT services company specializing in cloud solutions, IT support, and software development. Reviews highlight their impressive responsiveness and problem-solving abilities, with 100% of reviewers commending their service quality. They are recognized for quickly addressing technical issues and being a reliable partner for business growth and technology strategy.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsMadsols is a web development company specializing in web design and custom website development. With a 100% positive feedback rate, reviewers consistently praise their excellent communication, attention to detail, and ability to exceed expectations, particularly highlighting their strong project management and alignment with company values.
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$1,000+$25 - $49 / hrFreelancer
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See all 3 projectsDigitize Turf is a software development company that provides planning, implementation, and maintenance services, with a focus on mobile app development and deployment. The company is consistently praised for its high skill level, timely delivery, and effective project management, with 100% of reviewers highlighting their reliability and value for cost. Reviewers report thorough satisfaction, with no suggested areas for improvement.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 4 projectsNetinteractive is a Web Development company that specializes in Custom Website Development and Web Application Development. Their client feedback is overwhelmingly positive, highlighting their client-oriented approach and efficient project management. Approximately 90% of reviewers commend their ability to deliver high-standard services at competitive prices. A recurring theme is their exceptional communication and understanding of client needs, though some issues with external integrations were noted.
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Undisclosed< $25 / hr2 - 9Dubai, United Arab Emirates
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See all 1 projectsSamy Designer is a comprehensive web design and digital marketing company, excelling in web development, SEO, and PPC campaigns. With a team of over 25, they have notably designed websites for over 50 clients using technologies like WordPress, Magento, and Laravel. Feedback highlights their strong communication skills, punctuality, and flexible payment processes, with 100% of reviewers expressing satisfaction with their services.
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$5,000+$25 - $49 / hr10 - 49
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See all 6 projects6irdview is a versatile software development company specializing in mobile app development, with a strong focus on iOS and Android platforms. A remarkable 80% of reviewers praised their ability to deliver innovative solutions and quality products. However, 20% mentioned areas for improvement, primarily in communication and timeliness. Their collaborative approach and technical expertise are consistently highlighted as impressive attributes by clients.
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UndisclosedUndisclosed2 - 9
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See all 1 projectsWoolly Mammoth is a web development company specializing in full-stack web development, web application development, and custom website development. The reviews highlight their robust technical expertise, strategic communication, and pragmatic solutions, with 100% positive feedback on their performance. While considered slightly expensive, clients find their services valuable and effective for technical challenges.
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$25,000+$150 - $199 / hr10 - 49
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See all 3 projectsToi is a versatile development agency specializing in web and mobile app design and implementation. Overall, they receive positive feedback for their flexibility, creativity, and collaboration with clients. Approximately 90% of reviewers emphasize their effective communication and project management skills, while some note areas for improvement in providing end-to-end services and client interaction. Despite challenges, clients appreciate Toi's dedication and investment in their projects.
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$1,000+< $25 / hr10 - 49Lucknow, India
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See all 2 projectsHashTag Labs Private Limited offers services in Website Development, Web Design, and Web Programming. The reviews highlight their ability to build attractive, user-friendly websites with a strong focus on personalized customer experiences and effective project management, even during challenging times. Clients appreciate their dedication to continuous support and smart content placement, ensuring long-term partnerships and satisfaction.
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$5,000+$25 - $49 / hr50 - 249Rajkot, India
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See all 1 projectstiez is a web development company specializing in custom web application development and online development solutions. With an ongoing collaboration since 2016, they are praised for their reliability and ability to understand client needs, as evidenced by a 100% positive feedback rate in terms of functionality and support. However, they could enhance their UI design capabilities.
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$1,000+$100 - $149 / hr2 - 9Stockholm, Sweden
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See all 2 projectsAxess Lab is a digital accessibility company specializing in UX development, project management, and web app creation. They receive overwhelmingly positive feedback, with reviewers praising their expertise, effective project management, and commitment to accessibility. Approximately 100% of reviewers highlight their strong communication and user-centric approach, though some suggest expanding their team to handle more projects.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsWebPrime Solutions is a web development company specializing in full-stack web development, custom website development, and web application development. Overall feedback indicates high client satisfaction, with 100% of reviewers praising their professionalism, effective communication, and timely delivery. Reviewers highlight their capability in front-end and back-end development, emphasizing their value for cost and alignment with company values.
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$1,000+< $25 / hrFreelancerNavi Mumbai, India
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See all 1 projectsHarshil Khimasia - Freelance Web Developer specializes in Website Development and Web Programming. Reviews highlight his efficiency, with 100% of clients appreciating his promptness and effective project management. The focus on delivering optimized outcomes within budget and timelines is consistently praised, with no areas for improvement mentioned.
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$1,000+$50 - $99 / hr2 - 9Bratislava, Slovakia
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See all 1 projectsSodehal is a web development company known for delivering effective IT solutions, including web application development and system design. The reviews highlight a 100% positive feedback rate, praising their professional project management, timely delivery, and impressive stakeholder engagement. Notably, 100% of clients mention the exceptional user-friendly systems provided by Sodehal.
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$1,000+$25 - $49 / hr50 - 249Elgin, IL
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See all 5 projectsAmerican Digital Studios is a web development firm specializing in Website Development and Web Design services. Reviews highlight their impressive communication skills and timely project delivery. Notably, 100% of reviewers appreciated the brand's look and feel post-project, with no areas for improvement mentioned.
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$10,000+$200 - $300 / hr2 - 9
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See all 3 projectswebsuasion is a full-stack web development company recognized for its expertise in custom website and web application development. Reviews consistently highlight their capability to handle complex projects and data-driven interfaces, with 100% of clients praising their commitment to understanding client needs. While praised for their responsive communication, some noted minor delays in project quotes.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 2 projectsMaxiemind is a software development company that specializes in designing and developing web applications with blockchain integration, utilizing technologies such as React.js, Node.js, and Ruby on Rails. The overall client feedback is highly positive, with 100% satisfaction regarding their project management and technical expertise. Clients appreciate their blockchain experience and seamless communication, although they recommend having a scrum master for those needing scrum methodology.
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$10,000+$25 - $49 / hr50 - 249Batumi, Georgia
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See all 8 projectsLINKERSOFT GROUP is a web development company specializing in backend and full-stack web development. With a 100% satisfaction rate, clients commend their skilled developers, timely delivery, and impressive project management. Their profound fintech understanding and responsive communication highlight their commitment to client success.
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$5,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 3 projectsPircle is a web development company specializing in custom web solutions, including full-stack web development and web application development. They receive positive feedback for their timely delivery and effective project management, with 100% of reviewers highlighting their excellent problem-solving capabilities and dedication to client needs. One reviewer noted room for improvement in communication, although this was considered typical for the industry.
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$25,000+< $25 / hr10 - 49
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See all 4 projectsCodeRunner IT is a versatile software development company specializing in mobile application development, outsourcing, and project management. With predominantly positive reviews, 75% of clients appreciate their adherence to deadlines and integration into workflows, although some highlight areas for improvement in testing and initial design phases. Notably, the company has successfully developed both iOS and Android applications for various industries, demonstrating adaptability and technical proficiency.
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$10,000+$50 - $99 / hr10 - 49Jaipur, India
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See all 2 projectsPhelix Info Solutions is a web development company specializing in SaaS web application development. Reviews highlight their innovative approach and strong technical understanding, with 100% of feedback reflecting positive client experiences and emphasizing effective communication and project management. Clients appreciate their hands-off project management style and ability to align with business needs.
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$10,000+$25 - $49 / hr50 - 249Sofia, Bulgaria
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See all 4 projectsDSS - Digital and Software Solutions provides Website Development and custom software solutions, specializing in automating ITSM processes through platforms like ServiceNow. Overall feedback highlights their high professionalism, effective project management, and responsive, knowledgeable team. Their services have notably improved customer satisfaction and operational efficiency for clients.
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$10,000+< $25 / hr50 - 249Pune, India
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See all 3 projectsDimentrix Technologies Pvt. Ltd. is a product development company specializing in software development and custom solutions. The reviews consistently highlight their ability to deliver high-quality, scalable solutions promptly. Clients frequently commend their agile development process and impressive project management skills, with 100% of the reviews noting their responsiveness and ability to meet project specifications efficiently.
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$1,000+$50 - $99 / hrFreelancerGateshead, England
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See all 1 projectsBaltic Design is a web development company specializing in custom website development and SEO enhancements. Reviews highlight their effective problem-solving skills and empathy towards client goals, with a notable 111% increase in SEO performance over 24 months. Approximately 100% of reviewers praised their project management and the ease of content updates.
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$5,000+$50 - $99 / hr50 - 249Jakarta, Indonesia
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See all 1 projectsSagara Technology is a product development consultancy specializing in IT solutions, with expertise in backend and frontend development using technologies such as Python, Django, Ruby, and Angular. Approximately 80% of the review feedback is positive, highlighting their commitment to delivering quality products despite occasional project delays and unclear pricing details. Reviewers commend their ability to address and fix initial issues efficiently.
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$10,000+$25 - $49 / hr2 - 9Amsterdam, Netherlands
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See all 2 projectsCode Sentinels is a web development company specializing in custom website and web application development, with a focus on modern React web-based applications. Reviews highlight their timely delivery, quality work, and effective solutions, with 100% of clients appreciating their responsiveness and commitment to client success. Their leadership is praised for excellent communication and deep involvement in projects.
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Undisclosed$50 - $99 / hr2 - 9
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See all 2 projectsYondsite is a web development company specializing in custom website development and web programming. The feedback highlights their timely updates and effective communication, even across different time zones. With high satisfaction from clients, 100% of reviewers appreciate their responsiveness and adherence to project timelines.
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$5,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 1 projectsQualbees is a versatile software development company renowned for their exceptional project execution and custom survey systems, as exemplified by the FeedGap project. With a 100% positive feedback rate, clients praise their responsiveness, flexibility, and ability to deliver complex projects rapidly and within budget. Their professional approach and innovative solutions consistently exceed expectations, making them a trusted partner.
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$5,000+$50 - $99 / hr50 - 249Sharjah, United Arab Emirates
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See all 6 projectsIffort is a web development company known for its expertise in website development, UI/UX design, and seamless project execution. With a perfect customer satisfaction rate, 100% of reviewers highlight their transparency, commitment, and technical acumen. Clients praise their ability to deliver high-quality, customized web solutions on time, ensuring optimal performance and user experience.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsMindnmove Web Services is a web development company specializing in website design and development. Client feedback highlights their trustworthiness and dedication, with 100% of reviewers praising their attentive service and project satisfaction. Their experienced team ensures an organized project management approach, leveraging tools like Google Meet, Slack, and Trello to deliver effective online development solutions.
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$5,000+< $25 / hr50 - 249Gandhinagar, India
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See all 9 projectsAcespritech Solutions Pvt Ltd is a software development company specializing in Odoo ERP customization, app development, and IT solutions. Across multiple reviews, clients praised their timeliness, communication, and ability to meet project requirements, with 100% of the feedback highlighting their supportive nature and value for cost. However, 17% of reviewers noted potential improvement in their initial response time.
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$5,000+$100 - $149 / hr2 - 9Lebedyn, Ukraine
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See all 19 projectsVSolo is a proficient web development company offering services in custom website and full-stack web application development. With a remarkable 100% positive feedback, clients consistently praise their responsiveness, attention to detail, and ability to meet deadlines. Notably, 80% of reviews highlight their exceptional project management and strategic approach, ensuring successful, high-quality outcomes across diverse projects.
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$5,000+$50 - $99 / hr50 - 249Cottleville, MO
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See all 11 projectsXTAPPS Software Solutions is a web development company specializing in custom website development, web application development, and full-stack web development. With an overwhelmingly positive feedback rate of approximately 90%, clients commend their quality work, on-time delivery, and exceptional project management. Notably, 80% of reviewers highlight their commitment to meeting client goals and the seamless integration of technology solutions.
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$1,000+$50 - $99 / hr2 - 9
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See all 12 projectsSeeal is a web development company known for delivering custom website solutions, from front-end design to back-end development, catering to diverse client needs. Reviews show a 100% client satisfaction rate, highlighting their strong project management, responsiveness, and attention to detail. Over 80% of clients praised their SEO expertise and user-friendly designs, indicating consistent excellence in web programming and design.
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$5,000+< $25 / hr2 - 9
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See all 1 projectsHavenir Solutions is a development company specializing in custom software solutions, e-commerce integration, and process automation. According to their reviews, 100% of the feedback highlights their ability to significantly reduce manual processes and enhance customer experiences. Clients praise their commitment to understanding business challenges and delivering configurable solutions, although some note that larger projects required fine-tuning.
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Undisclosed$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 2 projectsYAS Global is a web development company specializing in Website Development, Wordpress Development, and SEO Optimization. Reviewers highlight their ability to deliver high-quality work on time, with strong communication and professional project management. 100% of the feedback is positive, emphasizing the company's value for money and reliability in fulfilling project needs.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 5 projectsBeliev-In Technologies Private Limited is a full-stack web development company specializing in custom website development and web application development. Across reviews, 100% of clients commend their timely delivery and adaptability, praising their expertise in WordPress and flexibility in development. Additionally, 33% of reviews highlight their impressive project management and responsiveness.
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$5,000+$50 - $99 / hr10 - 49Dallas, TX
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See all 4 projectsHeavyTask is a professional web development company specializing in custom website development, WooCommerce, and CRM integration. With a 100% positive feedback rate, clients commend their strong communication skills and ability to meet deadlines. Notably, 100% of reviews highlight their impressive project management and technical expertise, particularly in complex industries like healthcare.
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$25,000+$50 - $99 / hr10 - 49Chandler, AZ
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See all 2 projectsDHx Software is a company specializing in the development and implementation of Learning Management Systems (LMS). The reviews indicate overwhelmingly positive feedback, with 100% satisfaction regarding their technical support and continuous improvements. Clients appreciate their integrity and responsiveness, noting their ability to address complex educational needs efficiently while maintaining strong client relationships.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 4 projectsVista SysTech is a web development company that excels in Website Development, Web Design, and e-commerce solutions. They have consistently received positive feedback, with 100% of reviews highlighting their technical expertise and responsive project management. Clients appreciate their ability to deliver visually appealing and functional websites while maintaining clear communication and timely delivery. Their mastery in custom web solutions has proven effective across various industries.
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$25,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 9 projectsStack Summation is a web development company specializing in custom website development, web application development, and web programming. Across their reviews, 100% of clients praised their communication skills, project management, and ability to deliver on time and within budget. Clients highlighted their expertise in implementing complex solutions, with no significant areas for improvement noted.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsBrevitaz Systems Pvt. Ltd. is a software development company specializing in backend development, cloud solutions, and advanced technologies like Elasticsearch and Kafka. The reviews highlight their expertise in handling complex projects with precision and quality. Approximately 100% of reviewers commend their strong project management and communication skills, with particular praise for their proactive approach and ability to integrate seamlessly into clients' teams.
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$1,000+< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 1 projectsMatrid Technologies is a software development company specializing in supply chain management solutions. Their client reviews highlight their effective communication, patience, and innovative problem-solving skills. Positive feedback accounts for 100% of the review content, with clients experiencing significant time savings and improved process efficiency.
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$1,000+< $25 / hr2 - 9
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See all 8 projectsDream Code IT Solution is a distinguished web development company known for delivering high-quality projects in areas such as website development, web design, and SEO optimization. Reviews highlighted their exceptional responsiveness and the ability to deliver projects on time, with over 90% of reviewers praising their project management and communication skills. Clients consistently commend their technical expertise and commitment to customer satisfaction.
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$5,000+$50 - $99 / hr50 - 249Los Angeles, CA
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See all 3 projectsMerx Forum Inc is a web development company specializing in responsive website design, SEO optimization, and online functionality enhancements such as appointment systems and user engagement improvements. With 100% positive feedback, clients commend their innovative designs, proactive communication, and commitment to tailored service delivery, consistently meeting project timelines and specific business needs.
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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.