Top JavaScript Developers
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$25,000+$25 - $49 / hr250 - 999White Plains, NY
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See all 66 projectsFingent is a versatile technology partner excelling in areas such as custom website development, full-stack web development, and web application development. The company receives overwhelmingly positive feedback, with approximately 85% of reviews highlighting their professionalism, transparent communication, and technical expertise. Clients frequently commend their proactive project management, timely delivery, and ability to integrate seamlessly into existing teams, making them a preferred choice for complex online development projects.
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$50,000+$50 - $99 / hr10 - 49Boulder, CO
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See all 31 projectsSwovo is a web development company specializing in web application development, custom website development, and providing developers for complex projects. Reviewers consistently praise Swovo for their flexibility, communication, and quality of developers. Feedback is overwhelmingly positive, with no areas for improvement noted, highlighting their strong alignment with client values and budgetary constraints.
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$10,000+$150 - $199 / hr50 - 249Chicago, IL
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See all 43 projectsLaunchPad Lab is a Full-Stack Web Development company known for their expertise in Website Development, Web Programming, and Custom Website Development. Their reviews consistently highlight their strong project management skills and excellent communication, with 100% of reviewers praising their timely delivery and responsiveness. LaunchPad Lab's ability to handle complex projects and provide knowledgeable guidance is frequently noted, with 90% of clients expressing satisfaction with the final product and their consultative approach.
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$10,000+$50 - $99 / hr10 - 49Warrington, England
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See all 69 projectsVisions Design is a web development company specializing in comprehensive web design, branding, and digital strategy. Their reviews highlight their exceptional project management, timely delivery, and excellent communication, earning them positive feedback in 100% of the cases. Around 80% of reviewers praised their responsiveness and attention to detail, particularly in Web Design and Custom Website Development, making them highly recommended for diverse project needs.
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$5,000+$150 - $199 / hr10 - 49Apex, NC
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See all 25 projectsRoleModel Software is a custom web development company specializing in web application development using technologies like Ruby on Rails. Feedback from clients indicates a high level of satisfaction, with no areas for improvement suggested. Approximately 100% of reviews commend their agile approach, focus on maintainability, and excellent communication. RoleModel Software is noted for its commitment to excellence and strong collaborative efforts.
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$50,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 28 projectsSevenPro is a versatile web development company that offers a range of services, including full-stack web development, mobile app development, and custom software solutions. Across their reviews, 100% of clients highlight their professionalism, excellent communication, and timely project deliveries. Clients particularly appreciate their ability to integrate seamlessly with teams, showcasing expertise in technologies like React, Node.js, and Agile methodologies.
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$5,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 15 projectsOrthoplex Solutions is a full-stack web development company specializing in custom website development and web application development. The company consistently received positive feedback, with 100% of reviewers praising their professionalism, responsiveness, and ability to meet tight deadlines. Notably, 86% of reviews highlighted their excellent communication and project management skills. Their expertise in web design and development, as well as their client-focused approach, make them a preferred choice for many businesses.
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$25,000+$50 - $99 / hr50 - 249Austin, TX
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See all 24 projectsBRIGHTSCOUT is a web development company that excels in branding, web design, and custom website development, consistently delivering high-quality results that align with client goals. Their project management, responsiveness, and design talent are widely praised, with over 90% of reviews highlighting these strengths. Clients often commend their ability to meet tight deadlines and produce outstanding creative work, though some note the need for improved copywriting.
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$10,000+$150 - $199 / hr50 - 249New York, NY
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See all 39 projectsthoughtbot is a full-stack web development company specializing in custom website and web application development with a strong emphasis on Ruby on Rails. They have consistently received positive feedback for their professionalism, responsiveness, and engineering expertise, particularly in Front-End and Back-End Development. Approximately 70% of reviewers praised their high-quality software solutions and project management skills, while only a small fraction noted areas for improvement, such as the need for more guidance during the discovery phase.
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$10,000+$100 - $149 / hr10 - 49Brooklyn, NY
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See all 32 projectsFive Jars is a web development company specializing in custom website development and web design, excelling in Drupal and WordPress-based projects. Feedback indicates high satisfaction, with approximately 95% of reviews praising their timely delivery, effective communication, and professional project management. Around 80% of clients emphasize their knowledge, affordability, and adaptability to budget constraints, making them a preferred choice for organizations seeking dependable and innovative online development solutions.
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$10,000+$50 - $99 / hr10 - 49Limassol, Cyprus
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See all 55 projectsDigital Butlers is a web development company specializing in creating responsive, visually appealing websites with strong custom website development and online development capabilities. Reviews indicate a high satisfaction rate, with over 90% of clients praising their project management, communication, and quality of work. Around 70% of reviewers highlighted their seamless integration of complex systems and effective web design, emphasizing their full-stack web development proficiency.
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$50,000+$50 - $99 / hr50 - 249L'viv, Ukraine
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See all 63 projectsKindgeek is a versatile web development company that provides comprehensive services such as website development, web application development, and UX/UI design. Across their reviews, Kindgeek receives approximately 90% positive feedback, with clients praising their project management, excellent communication, and ability to meet deadlines. A notable 70% of reviewers highlight their expertise in providing high-quality, scalable solutions tailored to client needs.
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$10,000+$50 - $99 / hr50 - 249New York, NY
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See all 25 projectsIT Monks Agency is a web development company specializing in services such as custom website development, web programming, and SEO optimization. Across their reviews, 100% of clients highlighted their excellent communication, responsiveness, and ability to deliver projects on time and within budget. The agency's work is consistently praised for its high quality, user-friendly design, and alignment with clients' business goals.
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$10,000+$25 - $49 / hr50 - 249Kraków, Poland
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See all 36 projectsIncode Group is a distinguished web development company specializing in Full-Stack Web Development, including Custom Website Development and Web Application Development. The company holds a remarkable record of client satisfaction, with 100% positive feedback from all reviews, highlighting their technical expertise, agile project management, and ability to deliver high-performing, scalable solutions. Clients consistently commend their professionalism, timely deliveries, and excellent communication skills.
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$5,000+< $25 / hr50 - 249Stamford, England
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See all 27 projectsOffshorly is a web development company that specializes in full-stack web development, custom website development, and web application development. Across various reviews, they are commended for their professionalism, responsiveness, and reliable project management, with approximately 95% of reviewers praising their communication and adaptability. Their expertise in web design and development is frequently highlighted, making them a trusted partner for diverse digital projects.
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$50,000+$150 - $199 / hr50 - 249San Jose, CA
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See all 3 projectsClear Digital Inc is a web development company specializing in web design, full-stack web development, and custom website development. Their reviews are overwhelmingly positive, with 100% of reviewers noting their strong project management, timely delivery, and innovative ideas. Clients consistently commend their responsive communication and ability to enhance user experience and site performance, with improvements such as increased web traffic and conversion rates.
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$25,000+$50 - $99 / hr250 - 999Gliwice, Poland
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See all 51 projectsFuture Processing is a comprehensive software development company that offers services such as custom website development, full-stack web development, and web application development. The feedback from clients is overwhelmingly positive, with many emphasizing their dedication, technical competence, and ability to deliver solutions that solve real problems effectively. Approximately 80% of reviewers highlighted their professionalism and high-quality output, suggesting strong alignment with project needs.
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$5,000+$100 - $149 / hr50 - 249Nashville, TN
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See all 106 projectsUPQODE is a web development company specializing in custom website development, web design, and online development services. The firm receives positive feedback for its project management and communication, with approximately 90% of reviewers highlighting their efficiency, responsiveness, and attention to detail. While praised for their web design capabilities, some reviews suggest room for improvement in graphic design services.
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$10,000+$25 - $49 / hr10 - 49
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See all 67 projectsMerge Rocks is a Web Development company specializing in Website Development, Web Design, UX/UI design, and Web Programming, particularly on platforms like Webflow and WordPress. The company is praised for its exceptional communication, attention to detail, and ability to deliver projects on time, with 100% of reviews highlighting effective project management and positive collaboration. Their services are highly recommended for their blend of design quality and technical expertise, making them a preferred partner for custom website development projects.
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$25,000+$150 - $199 / hr10 - 49Pittsburgh, PA
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See all 72 projectsHUEMOR is a web development company with a strong emphasis on custom website development, website design, and full-stack web development services. The company consistently receives positive feedback, with approximately 90% of reviews highlighting their effective project management, timely delivery, and strong client communication. Many clients specifically praise HUEMOR's commitment to understanding their needs and providing responsive support.
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$10,000+$50 - $99 / hr50 - 249Ivano-Frankivs'k, Ukraine
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See all 19 projectsCOAX Software is a full-stack web development company recognized for its expertise in web application development and custom website development. Across the reviews, 100% of clients praise their technical ability, reliability, and commitment, highlighting their professionalism in managing complex projects and meeting deadlines. Approximately 80% of reviewers emphasize their strong team dynamics and responsiveness, with no significant areas for improvement noted.
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$10,000+$50 - $99 / hr10 - 49Johannesburg, South Africa
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See all 8 projectsBrave Digital is a full-service web development company specializing in custom website development, web programming, and web application development. Across their reviews, 100% of clients praise their strong communication, project management, and ability to deliver modern, user-friendly websites. Clients have highlighted their quick problem resolution and comprehensive service offerings, noting the company's quick adaptation to client needs and dedication to aligning with their brand values.
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$10,000+$50 - $99 / hr50 - 249Gdańsk, Poland
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See all 71 projectsNeoteric is a web development company renowned for its expertise in full-stack web and application development, including custom website and web programming solutions. With a focus on technical and UI/UX excellence, Neoteric has received overwhelmingly positive feedback, with approximately 100% of reviews praising their responsiveness, technical expertise, and ability to deliver on time. Their collaborative approach and alignment with client values are frequently highlighted.
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$10,000+$100 - $149 / hr2 - 9Toronto, Canada
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See all 100 projectsAzuro Digital is a web development company specializing in Website Development and Web Design. The reviews highlight their professionalism, responsiveness, and ability to deliver high-quality, custom website solutions. Notably, 100% of reviewers praised their project management and on-time delivery, with several emphasizing their adaptability and effective communication. Overall, clients are highly satisfied with Azuro Digital's services.
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$5,000+$50 - $99 / hr50 - 249
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See all 104 projectsRapidDev is a web development company specializing in full-stack web application development and custom website solutions. With over 90% of reviews highlighting their exceptional communication, professionalism, and timely delivery, RapidDev consistently meets client needs across diverse projects. Clients frequently commend their responsive project management and ability to translate complex requirements into effective digital solutions.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 55 projectsRubyroid Labs is a full-stack web development company specializing in custom website development and web application development. Reviews indicate a strong client focus, with 100% positive feedback highlighting their technical expertise, timely delivery, and responsive communication. Notably, 45% of reviewers commend their ability to understand and align with business goals, making them a reliable partner for complex online development projects.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 69 projectsROCKETECH is a versatile Web Development company specializing in full-stack web and web application development, with a strong focus on customization, design, and usability. With over 85% of reviewers highlighting their project management effectiveness, Rocketech has consistently delivered tailored solutions on time while maintaining open communication and attention to detail. They excel in creating user-friendly platforms and integrating complex systems, receiving predominantly positive feedback across various sectors.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 22 projectsOld.St Labs is a versatile web development company specializing in custom website development and web application development. The company consistently receives positive feedback for its exceptional project management, responsiveness, and collaborative approach, with 95% of reviewers highlighting these aspects. Clients commend Old.St Labs for their ability to deliver high-quality solutions on time and within budget, often exceeding expectations with their innovative and client-focused approach.
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$10,000+$25 - $49 / hr250 - 999Batavia, IL
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See all 17 projectsSDLC Corp is a web development company specializing in Full-Stack Web Development and Web Application Development. Reviews indicate a high level of client satisfaction, with an emphasis on their technical expertise, responsiveness, and ability to deliver projects on time. Approximately 100% of reviewers commend their project management skills and adaptability to client needs.
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$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 52 projectsSolveIt is a web development company specializing in web application development, mobile applications, and custom website development. With a 100% positive feedback rate, clients highlight their adaptability, clear communication, and timely delivery. Approximately 75% of reviewers praised their excellent project management and responsiveness, while others noted their alignment with company values and cost-effective solutions.
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$10,000+$50 - $99 / hr250 - 999Sofia, Bulgaria
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See all 41 projectsAccedia is a custom web development and consulting firm offering services such as web application development, front-end and back-end development, and application management. With over 90% positive feedback, clients consistently praise their technical expertise, effective project management, and proactive communication. Many reviewers highlight Accedia's ability to enhance initial project ideas, with 75% noting their problem-solving skills and adaptability to client needs.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 61 projectsChakor is a web development company specializing in custom website development, web design, and full-stack web development. Their reviews indicate a high level of professionalism, expertise in web programming, and a strong focus on client collaboration. Approximately 80% of reviewers commend Chakor's effective project management and timely delivery, while around 20% report communication and project management issues, suggesting room for improvement in these areas.
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$5,000+$200 - $300 / hr10 - 49Chicago, IL
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See all 20 projectsMarcel Digital is a web development company that excels in custom website development, web design, and online development services. Across their reviews, 100% of clients praised their effective project management, with consistent on-time delivery and proactive communication. About 80% highlighted their expertise in SEO and website optimization, underscoring their dedication to long-term success and client satisfaction.
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$25,000+$50 - $99 / hr10 - 49Atlanta, GA
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See all 56 projectsDedicated Developers is a web development company that excels in creating custom web applications and mobile app solutions. With an outstanding ability to deliver complex projects promptly, they maintain a 100% positive feedback rate. Clients consistently praise their technical expertise, responsiveness, and partnership approach, with over 80% noting their comprehensive project management and collaboration skills. They are recognized for ensuring scalable, user-friendly, and well-optimized products.
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$5,000+$25 - $49 / hr50 - 249New York, NY
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See all 115 projectsHelpful Insight Private Limited is a web development company specializing in custom website development, web application development, and full-stack web development. They have received overwhelmingly positive feedback, with over 90% of reviews highlighting their responsiveness, commitment to client satisfaction, and technical expertise. Clients frequently praise their project management skills and ability to deliver high-quality, innovative solutions on time and within budget.
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$10,000+$100 - $149 / hr10 - 49Encinitas, CA
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See all 33 projectsCollective42 is a web development company specializing in custom website development, web design, and full-stack web development services. Reviews indicate outstanding project management and communication, with 100% of clients praising their timely delivery and responsiveness. Additionally, 80% of reviewers commend their ability to align with company values and budget, making them a highly reliable partner for web application development and ongoing website support.
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$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 20 projectsOVERCODE is a web development company specializing in custom website development, front-end and back-end development, and web application development using technologies like React.js and Next.js. With 100% positive feedback, clients commend their project management, adherence to timelines, exceptional design skills, and ability to transform complex ideas into simple, user-friendly solutions. Notably, 100% of reviewers praised their commitment and communication.
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$50,000+$150 - $199 / hr10 - 49Austin, TX
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See all 49 projectsGLIDE® is a web development company specializing in custom website development, web design, and SEO optimization. Across multiple reviews, 90% of clients commend GLIDE® for their project management and ability to deliver timely, high-quality web solutions. Approximately 80% highlight their strong culture fit and alignment with client values. Common praises include their professionalism, responsiveness, and innovative solutions, with minor critiques on SEO and preparation for website launches.
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$10,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
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See all 54 projectsLumitech is a versatile web development company offering services such as front-end and back-end development, custom website development, and web application development. Overall, the feedback is overwhelmingly positive, with 100% of reviewers highlighting their professional communication, adaptability, and high-quality deliverables. Many clients (over 75%) appreciate Lumitech’s proactive problem-solving and strategic insights, making them a preferred partner for ongoing collaborations.
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$10,000+$50 - $99 / hr250 - 999Atlanta, GA
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See all 16 projectsrtCamp is a web development company specializing in website development, web application development, and WordPress solutions. The reviews consistently highlight their reliability, responsiveness, and technical expertise, particularly in WordPress and WooCommerce, with 100% of reviewers noting their timely delivery and excellent project management. Many clients (over 80%) commend their high-quality deliverables and strong alignment with company values, with no significant areas for improvement mentioned.
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$25,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 39 projectsRedberry: Premier Tier Laravel and Vue partner is a web development company specializing in custom website and full-stack web development, with a strong focus on project management and autonomy. They consistently receive positive feedback, with 100% of reviewers praising their communication and efficiency. Their ability to merge creativity with technical skills and deliver on time is frequently highlighted by clients.
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$10,000+< $25 / hr250 - 999Karur, India
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See all 21 projectsMallow Technologies Private Limited is a web development company specializing in full-stack web development, web application development, and software maintenance. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their technical expertise, responsiveness, and on-time delivery. Their ability to adapt and integrate new technologies, such as AI and CSS frameworks, is frequently highlighted by clients.
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$10,000+< $25 / hr50 - 249Hyderabad, India
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See all 52 projectsAhex Technologies is a comprehensive web development company providing a range of services including full-stack web development, custom website development, and web application development. With a high percentage of positive reviews, clients commend their project management, technical expertise, and commitment to customer satisfaction. Notable themes in feedback include their proactive communication and flexibility, as mentioned by over 90% of reviewers.
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$50,000+$100 - $149 / hr50 - 249Kraków, Poland
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See all 19 projectsRailsware is a full-stack web development company specializing in custom website development and web application development using Ruby on Rails, React, and JavaScript. Across various projects, reviewers consistently praise Railsware for their high-quality engineering, efficient project management, and excellent communication, with 100% positive feedback indicating strong satisfaction. Notably, 60% of reviewers highlighted Railsware's ability to integrate seamlessly with client teams as a significant value-add.
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$50,000+$50 - $99 / hr250 - 999Poznań, Poland
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See all 73 projectsNetguru is a versatile web development company providing services such as web and application development, custom website creation, and backend programming. Their reviews highlight strong project management, effective communication, and high professionalism. Approximately 90% of reviewers praised their transparent communication and ability to deliver projects on time. Clients also valued their innovative solutions and adaptability to specific project needs.
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$25,000+$100 - $149 / hr50 - 249New York, NY
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See all 97 projectsPerpetual is a web development company specializing in custom website design, web development, and branding. With over 90% of reviews being positive, clients commend their expertise in Webflow and Figma, commitment to timelines, and flexibility in accommodating client needs. Common themes include impressive project management, design accuracy, and effective communication. Perpetual's focus on partnership and understanding client visions further enhances their reputation.
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$10,000+$50 - $99 / hr50 - 249Austin, TX
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See all 28 projectsAkveo is a web development company specializing in full-stack web development and web application development. The company has received consistently positive feedback, with reviewers praising their expertise, reliability, and effective project management. Approximately 90% of reviews highlight their timely delivery and responsiveness, while 70% commend their technical proficiency in both front-end and back-end development.
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$50,000+$100 - $149 / hr50 - 249Porto, Portugal
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See all 38 projectsPixelmatters is a full-service web development company specializing in custom website development, web design, and web application development. Across multiple reviews, 100% of clients highlight their strong project management skills, with many praising their seamless integration into client teams and their proactive approach. Additionally, 90% of reviewers emphasize their high-quality design and development work, and a notable 80% mention the company's ability to exceed expectations while maintaining budget-friendly pricing.
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$10,000+< $25 / hr250 - 999Ahmedabad, India
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See all 69 projectseSparkBiz is a web development company that specializes in custom website development, full-stack web development, and web application development. Across the reviews, 100% of clients praised their professionalism and responsiveness, while 80% noted timely delivery and high-quality work. Some reviews mentioned room for improvement in communication, but overall, clients were satisfied with their flexibility and the value provided.
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$10,000+$100 - $149 / hr10 - 49Ultimo, Australia
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See all 24 projectsWP Creative is a web development company renowned for delivering comprehensive and high-performing custom website solutions. With a consistent track record in timely project delivery and proactive management, 100% of reviewers commend their technical expertise and responsiveness. Clients particularly appreciate their ability to improve website performance and engagement, underscoring their skill in custom website development and detailed project execution.
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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
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
37.5/40.018.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
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 -
$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 -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$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 -
$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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
38.8/40.018.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.8/40.017.8/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
37.1/40.017.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development60% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
40% Web Development70% JavaScript60% 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+$150 - $199 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Web Development20% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
36.7/40.017.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249Hong Kong, Hong Kong
Ability to deliver
37.8/40.018.4/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
25% Web Development60% JavaScript75% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
37.1/40.017.2/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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.