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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$50 - $99 / hr50 - 249Los Angeles, CA
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See all 158 projectsCoalition Technologies is a web development company offering services such as website redesign, SEO, and email marketing. Feedback from their clients is predominantly positive, with over 85% highlighting their responsiveness, customer service, and project management. However, one review criticized their value for money and SEO services, suggesting room for improvement in delivering consistent quality across all projects.
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$10,000+$100 - $149 / hr10 - 49San Diego, CA
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See all 13 projectsLightspace is a comprehensive web development company specializing in custom website development, web design, and web application development. The company consistently receives positive feedback, with 100% of reviewers expressing satisfaction with their work. Key themes include their impressive project management and design skills, responsiveness, and ability to deliver projects on time and within budget.
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$10,000+$100 - $149 / hr50 - 249Denver, CO
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See all 21 projectsNEWMEDIA.COM is a web development company offering services in web design, web programming, and custom website development. The company receives overwhelmingly positive feedback, with approximately 95% of reviews highlighting their responsiveness, project management skills, and ability to meet or exceed expectations. About 85% of reviewers specifically commend their expertise in creating modern, user-friendly websites, further emphasizing their proficiency in full-stack web development and web application development.
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$50,000+$50 - $99 / hr50 - 249Seattle, WA
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See all 22 projectsThirstySprout is a Full-Stack Web Development company renowned for its rapid starter turnaround and exceptional developer quality. They specialize in transforming designs into functional interfaces and developing comprehensive backend solutions. Reviews highlight a high satisfaction rate, with 100% of clients praising their communication, adaptability, and the speed at which they assembled skilled teams.
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$25,000+$25 - $49 / hr50 - 249Santa Monica, CA
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See all 31 projectsIT-Dimension Inc. is a web development company specializing in custom website development, web application development, and full-stack web development services. Reviews indicate a 100% satisfaction rate, highlighting their responsiveness, timely delivery, and problem-solving capabilities. Approximately 50% of reviewers commend their innovation and ability to handle unforeseen challenges effectively, while 30% emphasize their excellent communication and project management skills.
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$5,000+$25 - $49 / hr50 - 249Ludhiana, India
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See all 40 projectsLN Webworks Private Limited is a web development company specializing in Drupal and custom website development. Reviewers consistently highlight their expertise in Drupal, responsiveness, and timely project delivery. Positive feedback is noted in 100% of reviews, with 70% emphasizing their effective communication and project management. However, 30% suggest improvements in providing clearer effort estimations and engaging in detailed project discussions.
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$1,000+$50 - $99 / hr10 - 49Philadelphia, PA
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See all 104 projectsChopDawg.com is a web development company specializing in custom web and mobile application development, including full-stack web development and web programming. The overall feedback is overwhelmingly positive, with approximately 90% of reviewers praising their project management, communication, and ability to deliver on time. A recurring theme, mentioned by over 70% of reviewers, is their commitment to understanding clients' needs and delivering tailored solutions.
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$10,000+$50 - $99 / hr50 - 249Denver, CO
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See all 91 projectsJPLoft is a web development company specializing in custom website development, web application development, and full-stack web development. Their reviews consistently highlight their responsiveness and ability to deliver projects on time, with approximately 85% of feedback being positive. Clients appreciate their attention to detail and strong communication skills, with 70% specifically praising their project management and proactive approach.
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$10,000+$25 - $49 / hr50 - 249New Delhi, India
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See all 18 projectsQED42 is a versatile web development company specializing in full-stack web development, custom website development, and web application development using Drupal, among other technologies. Reviewers consistently highlight QED42's professionalism, responsiveness, and ability to deliver high-quality solutions on time, with over 90% positive feedback. Their structured approach and flexibility in client collaboration are noted by approximately 70% of reviewers. Improvements are suggested in enhancing agility and testing processes.
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$10,000+$100 - $149 / hr10 - 49Kraków, Poland
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See all 26 projectsNopio is a web development company specializing in custom website development and full-stack web programming. They have received overwhelmingly positive feedback, with clients praising their attention to detail, responsiveness, and project management skills. Approximately 90% of reviewers highlight their impressive execution and communication, while several clients appreciate their ability to stay within budget and timeline constraints.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 26 projectsUinno is a distinguished web development company specializing in full-stack web and application development services. They are praised for their robust project management and technical expertise, with approximately 95% of clients noting their professionalism and timely delivery. Reviewers frequently highlight Uinno's ability to provide innovative solutions and their impressive ability to adapt to clients' needs, making them a reliable partner for web design and development projects.
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$75,000+$150 - $199 / hr50 - 249Amesbury, MA
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See all 33 projectsImarc is a comprehensive web development company offering services that include full-stack web development, custom website development, and web application development. Based on their reviews, 90% of clients highlight their expertise and impressive project management. While some clients noted minor room for improvement in quoting and project management, 70% of reviews commend their strong communication and responsiveness.
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$10,000+$50 - $99 / hr50 - 249Karachi, Pakistan
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See all 73 projectsCodup is a prominent web development company specializing in website development, custom website development, and full-stack web development services. They have consistently received positive feedback, with approximately 90% of reviewers praising their project management, timely delivery, and excellent communication. Clients frequently commend Codup's technical expertise and ability to align with business goals, making them a reliable partner for diverse web development needs.
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$25,000+$50 - $99 / hr50 - 249San Jose, CA
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See all 31 projectsDiffco is a web development company specializing in custom website and web application development, offering comprehensive services in front-end and back-end development. The company consistently receives positive feedback, with 100% of reviewers noting their excellent project management, timely delivery, and collaborative approach. Reviewers frequently commend Diffco's innovative ideas and responsiveness, contributing to successful project outcomes.
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$10,000+$25 - $49 / hr250 - 999Stockholm, Sweden
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See all 36 projectsBeetroot AB is a web development company offering services in full-stack web development, front-end development, and web application development, with a notable emphasis on WordPress. Reviewers consistently highlight their exceptional project management, proactive communication, and ability to meet client needs with precision. With nearly universal positive feedback and no significant areas for improvement mentioned, Beetroot AB demonstrates a strong commitment to quality and client satisfaction.
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$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 28 projectsPowercode Group is a web development company providing custom website development, mobile app creation, and full-stack web development services. Reviewers commend their professionalism, timely delivery, and responsiveness. Approximately 80% of reviews highlight their effective communication and dedication to project success. Commonly praised attributes include their technical expertise, problem-solving skills, and strong project management, making them a valuable partner for various digital development projects.
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$10,000+Undisclosed10 - 49Bogotá, Colombia
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See all 15 projectsContra Studio is a proficient web development company specializing in custom website design, web programming, and full-stack web development services. Across their reviews, clients consistently praise their creativity, responsiveness, and ability to deliver complex projects on time, with 100% of reviews highlighting positive outcomes like increased traffic or improved brand visibility. Their exceptional project management and alignment with client values have been particularly noted.
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$50,000+$25 - $49 / hr250 - 999Warszawa, Poland
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See all 95 projectsGLOBALDEV is a full-stack web development company known for its expertise in web application development, particularly focusing on custom solutions using Figma and React. The feedback from reviews is predominantly positive, highlighting their proficient project management and effective communication. However, 20% of reviewers suggest improvements in tracking features and issue visibility. Overall, GLOBALDEV has proven to be a reliable partner in online development projects.
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$10,000+$100 - $149 / hr10 - 49Milton, Australia
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See all 11 projectsLabrys is a full-stack web development company specializing in custom website development, web application development, and Web3 solutions. They received overwhelmingly positive feedback, with around 90% of reviews highlighting their professionalism, timely delivery, and technical expertise. Notably, 67% of reviewers praised their engineers' exceptional skills and communication, while 33% appreciated their adaptability and alignment with project goals.
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$50,000+$100 - $149 / hr50 - 249Newport Beach, CA
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See all 101 projectsSaritasa is a web development company specializing in full-stack web development, custom website development, and web application development. The company's reviews are overwhelmingly positive, with clients praising their project management, technical expertise, and ability to deliver tailored solutions. Approximately 90% of the feedback highlights their professionalism and responsiveness. Saritasa demonstrates strong skills in both front-end and back-end development, ensuring client satisfaction and successful project outcomes.
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$50,000+$100 - $149 / hr10 - 49New Orleans, LA
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See all 26 projectsLookFar Labs is a reputable web development company specializing in custom website and web application development, including front-end and back-end solutions. The company is consistently praised for its professionalism, communication, and project management skills, with 100% of reviews highlighting their responsiveness and ability to meet or exceed expectations. Clients appreciate their collaborative approach and technical expertise, making them a preferred partner for diverse web programming needs.
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$10,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 28 projectsLexis Solutions is a full-stack web development company highly praised for its ability to deliver custom web application development services, with particular expertise in front-end and back-end development. Client feedback is overwhelmingly positive, with 100% of reviewers appreciating their strong project management and communication skills. Frequent commendations highlight their ability to align with business goals, innovate, and deliver on time.
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$5,000+$25 - $49 / hr250 - 999Singapore, Singapore
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See all 3 projectsDEHA GLOBAL PTE. LTD. is a software development company specializing in creating custom solutions for diverse industry needs, such as Excel plug-ins and onboarding platforms. Across three reviews, clients praised the company for its effective communication, project management, and cost-effectiveness, with 100% of reviewers noting timely delivery and high-quality work. Some feedback suggested improvement in development speed.
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$10,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 14 projectsSmultron Web Development is a versatile web development company specializing in custom website development and full-stack web development, with services ranging from web application development to front-end and back-end development. Positive feedback comprises over 90% of reviews, highlighting their professionalism, flexibility, and efficient project management. Approximately 70% of reviewers commend their timely delivery and attention to detail.
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$10,000+$50 - $99 / hr50 - 249Costa Mesa, CA
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See all 31 projectsWve Labs is a comprehensive web development company specializing in custom website development, including web design and web application development. The feedback from clients is overwhelmingly positive, with 100% expressing satisfaction in areas such as communication, project management, and attention to detail. Clients consistently commend Wve Labs for their ability to deliver high-quality, intuitive, and visually appealing websites that align with business goals and enhance online presence.
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$25,000+$150 - $199 / hr10 - 49Atlanta, GA
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See all 16 projectsDragon Army is a web development company specializing in Custom Website Development, full-stack web development, and Web Programming. The feedback about Dragon Army is overwhelmingly positive, with approximately 90% of reviewers highlighting the company's exceptional communication and project management skills. Reviewers frequently mention the team's ability to deliver projects on time and within budget while maintaining a fun, creative, and highly responsive approach.
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$25,000+$50 - $99 / hr10 - 49Chicago, IL
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See all 37 projectsCalibrate Software is a proficient web development company specializing in Web Application Development, Front-End Development, and Back-End Development. They consistently deliver projects on time and within budget, exhibiting strong expertise in UI/UX design, project management, and collaborative engagement with clients. With 100% of reviews highly recommending their services and praising their communication skills and attention to detail, they are recognized as a reliable partner in creating dynamic, custom web solutions.
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$5,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 7 projectsRW Infotech Private Limited is a full-stack web development company excelling in both front-end and back-end development. They are renowned for their proficiency in creating scalable, user-centric web applications and are commended for their professional and communicative project management. With 100% positive feedback, clients praise their strategic recommendations and ability to enhance user engagement and conversion rates.
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$5,000+$50 - $99 / hr2 - 9Warszawa, Poland
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See all 43 projectsRoud Studio is a web development company specializing in custom website development, web design, and full-stack web development. They have received overwhelmingly positive feedback, with approximately 95% of reviewers highlighting their timely delivery, creativity, and responsiveness. Clients frequently commend their ability to exceed expectations in both design and functionality, with 80% mentioning the value and cost-effectiveness of their services.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 35 projectsTeaCode is a prominent Web Development company delivering a range of services including Front-End, Back-End, and Full-Stack Web Development. The company is highly regarded for its professionalism and proficiency, with 100% of reviews highlighting their reliability and effective project management. Clients appreciate TeaCode's swift problem-solving abilities and their seamless integration with client teams, ensuring timely delivery and high-quality custom solutions.
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$5,000+$150 - $199 / hr2 - 9Toronto, Canada
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See all 29 projectsDay Shift Digital is a prominent web development company specializing in Website Development, Custom Website Development, and Web Design across various platforms like WordPress and Shopify. The company has received overwhelmingly positive feedback, with clients praising their project management, responsiveness, and ability to integrate with client teams. Reviewers consistently highlight their balance of creativity and strategy, with no reports of dissatisfaction or suggested improvements.
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$5,000+< $25 / hr50 - 249Jaipur, India
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See all 132 projectsEmizen Tech, a prominent web development company, specializes in full-stack and custom website development, along with web application programming. The reviews reveal a consistent theme of effective project management and prompt communication, with 86% of clients noting their responsiveness and development expertise. However, one client reported significant project delays, highlighting the importance of clear communication and resource management. Overall, Emizen Tech is praised for their technical skills and ability to meet diverse client needs.
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$50,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 19 projectsNeocoast is a web development company specializing in custom web and application development. The overall feedback is overwhelmingly positive, with reviewers frequently highlighting their attention to detail, communication skills, and ability to deliver on time. Approximately 85% of reviews emphasize their strong project management and adaptability, while around 90% note their effective handling of both front-end and back-end development tasks.
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$5,000+$150 - $199 / hr10 - 49Camberwell, Australia
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See all 12 projectsChromatix is a distinguished web development company specializing in custom website development and web design. The reviews highlight their consistent delivery of high-quality, conversion-focused websites, with 100% of clients noting their exceptional project management and effective communication. Approximately 70% of reviewers commend Chromatix's strategic engagement and collaboration, emphasizing their ability to enhance client branding and online presence through tailored solutions.
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$5,000+$100 - $149 / hr50 - 249Burnaby, Canada
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See all 8 projectsBACKBONE is a web development company specializing in custom website development, web application development, and full-stack web development. The overall feedback is 80% positive, with clients highlighting their strong project management skills and commitment to deadlines. Approximately 60% of reviewers praise their ability to understand brand needs and deliver user-friendly, visually appealing websites, though improvements could be made in documentation and proactive engagement.
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$50,000+$100 - $149 / hr10 - 49Irvine, CA
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See all 40 projectsTopflight Apps is a versatile web development company specializing in comprehensive software solutions, including full-stack web development and mobile applications. Across their reviews, clients frequently commend their project management skills, responsiveness, and ability to meet deadlines, with around 85% of reviewers highlighting their strong problem-solving capabilities. However, stability in product management could improve, as noted by approximately 15% of reviewers.
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$25,000+$150 - $199 / hr10 - 49Vista, CA
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See all 26 projectsThe Smyth Group is a comprehensive web development company focused on custom website development, full-stack web development, and web application development. The majority of their reviews highlight exceptional project management, timely delivery, and a strong focus on customer service, with approximately 100% of reviewers expressing satisfaction. Clients commend their U.S.-based teams for integrating seamlessly with existing workflows and exceeding expectations.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 93 projectsHalo Lab is a web development company renowned for its expertise in full-stack web development, web design, and website architecture. The company excels in delivering visually cohesive and user-friendly websites, as highlighted by its consistent positive feedback, with 100% of reviewers praising their on-time project delivery and responsiveness. Halo Lab's creative execution and adaptability to feedback set them apart, making them a strong candidate for custom website development.
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$10,000+$25 - $49 / hr50 - 249Bielsko-Biała, Poland
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See all 35 projectsSelleo is a renowned full-stack web development company noted for its expertise in developing complex web applications. Across numerous reviews, clients consistently highlight Selleo's ability to deliver high-quality, secure, and scalable solutions, with 100% of reviewers praising their technical skills and project management capabilities. Their dedication to understanding client needs and delivering projects on time with proactive communication is frequently commended, underscoring their reputation for excellence in custom website development and web application development.
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$5,000+$150 - $199 / hr10 - 49Portland, OR
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See all 32 projectsSembit is a full-stack web development company that specializes in custom website development, web application development, and related services. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their project management, responsiveness, and ability to deliver on time and within budget. Clients commend Sembit for their clear communication and deep commitment to understanding and meeting client needs.
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$10,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 201 projectsDev Technosys is a full-stack web development company offering comprehensive services in website and mobile application development. Approximately 85% of reviews highlight their professionalism, effective communication, and ability to deliver complex projects on time, while 15% note delays. Key themes in feedback include their adept integration of custom features, user-friendly designs, and responsive project management, making them a reliable partner for web application development projects.
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$10,000+$150 - $199 / hr10 - 49New York, NY
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See all 34 projectsCantilever Web Design & Development is a full-stack web development company praised for creating robust, user-friendly websites and conducting strategic consulting. With 100% positive feedback from reviewers, key themes include their consultative approach and commitment to project management. Notably, 80% of reviewers highlight their strong communication skills, while 70% mention their alignment with client values and goals, ensuring tailored and effective web solutions.
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$10,000+$50 - $99 / hr50 - 249Aventura, FL
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See all 24 projectsKubikware is a web development company known for its expertise in full-stack web development, web application development, and custom website development. With 100% positive feedback, clients appreciate Kubikware's high-quality deliverables, technical knowledge, and responsive project management. Many reviewers (about 60%) commend their ability to deliver projects on time and within budget, although some note their rates are slightly higher than competitors.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 12 projectsNirvana Canada is a web development company renowned for its expertise in full-stack web development, custom website development, and digital marketing services. With a strong focus on delivering quality work, 100% of their reviews highlight their reliable project management, timely delivery, and exceptional understanding of business needs. Clients particularly appreciate their attention to detail and proficiency in both front-end and back-end development.
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$1,000+$50 - $99 / hr10 - 49New York, NY
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See all 11 projectsLil Big Things is a specialized Web Development company offering services such as Website Development, Web Design, and Web Application Development. The overall feedback is overwhelmingly positive, with clients praising their creativity, project management, and efficiency. Approximately 100% of reviews highlight their ability to deliver projects on time and exceed expectations through responsive communication and innovative solutions.
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$10,000+$50 - $99 / hr10 - 49Berlin, Germany
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See all 26 projectsMakers' Den is a versatile web development company specializing in custom website development, full-stack web development, and web application development. They are highly praised by 100% of reviewers for their project management, technical expertise, and exceptional delivery. Clients appreciate their ability to integrate seamlessly with teams, challenge conventional thinking, and maintain clear communication, making them a trusted partner in online development projects.
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$75,000+$50 - $99 / hr50 - 249Budapest, Hungary
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See all 18 projectsRollout IT is a comprehensive web development company specializing in custom website development, full-stack web development, and web application development. Based on reviews, the company is praised for its technical expertise, responsive project management, and ability to deliver on time, with 100% of reviewers highlighting their clear communication and flexibility. Clients appreciate their problem-solving skills and their ability to align projects with business goals effectively.
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$10,000+$50 - $99 / hr10 - 49Sydney, Australia
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See all 18 projectsBearplus is a web development company specializing in full-stack web development, web design, and web application development. With a 100% positive feedback rate, clients consistently praise their creativity, attention to detail, and effective project management. Approximately 80% of reviews highlight their exceptional design sense and ability to align with brand values, while 70% commend their timely delivery and proactive communication.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 32 projectsSoftblues is a web development company specializing in custom website development, full-stack web development, and web application development. Clients consistently praise Softblues for their professionalism, timely delivery, and exceptional project management. With 100% positive feedback, reviewers commend their proactive communication and technical expertise, highlighting their ability to exceed expectations and deliver high-quality, scalable solutions across various industries.
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$10,000+< $25 / hr50 - 249Karur, India
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See all 20 projectsMallow Technologies Private Limited is a software development company specializing in Web Development and Custom Website Development. With a strong focus on technical expertise, their reviewers consistently highlight responsiveness and the ability to meet deadlines. Approximately 100% of reviews commend their project management skills and communication, with an emphasis on delivering high-quality results within budget and time constraints.
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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 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
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$1,000+< $25 / hr250 - 999Boston, 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.