Top JavaScript Developers
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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), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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$10,000+$50 - $99 / hr10 - 49Shanghai, China
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See all 4 projectsDigital Creative Asia is a web development company specializing in custom website development and e-commerce solutions. According to reviews, 100% of clients appreciate their timely delivery and responsiveness, although some noted initial communication challenges that were swiftly addressed. Clients commend their ability to align with company values and provide innovative solutions.
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$5,000+$50 - $99 / hr250 - 999McKinney, TX
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See all 39 projectsScienceSoft is a multifaceted company specializing in software and web development services, including custom website development and full-stack web development. Based on the reviews, ScienceSoft receives accolades for high-quality deliverables and responsiveness, with approximately 90% of feedback being positive. Common themes include efficient project management and a strong ability to integrate with client teams, though a few reviews mention time zone challenges affecting communication.
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$5,000+$25 - $49 / hr50 - 249Indore, India
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See all 10 projectsEngineer Master Solutions Pvt Ltd is a comprehensive Web Development company that offers services in Website Development, Web Design, and Web Application Development. Reviews indicate a high level of satisfaction, with over 80% of clients praising their on-time delivery, flexibility, and professional project management. Common suggestions for improvement include expanding their team size to enhance service capacity.
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$5,000+$50 - $99 / hr10 - 49
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See all 8 projectsCodeus is a web development company specializing in custom website and web application development, offering full-stack, front-end, and back-end solutions. Based on their reviews, 100% of clients praised their professionalism, technical expertise, and timely project delivery, while 40% highlighted their effective communication. The company excels in providing high-quality, scalable solutions, consistently meeting or exceeding client expectations.
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$10,000+$25 - $49 / hr50 - 249Houston, TX
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See all 18 projectsLiquid Technologies is a web development company specializing in custom website and web application development. With a focus on tailored solutions, they consistently deliver projects on time, with 90% of deliverables meeting deadlines. Clients highlight their responsive communication and adaptability, with 100% of reviewers noting their impressive ability to customize approaches to specific business needs.
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$25,000+$25 - $49 / hr10 - 49
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See all 16 projectsOSSystem is a web development company specializing in custom website development, front-end and back-end development, and web application development. With a 100% satisfaction rate among reviewers, they are praised for their exceptional project management, seamless communication, and responsiveness. Clients appreciate their high-quality work and ability to integrate smoothly with internal teams, often highlighting their expertise in full-stack web development.
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$10,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 17 projectsThe App Master is a full-stack web development company specializing in web and mobile app development. Across three reviews, clients consistently praise their project management, responsiveness, and ability to work collaboratively with other service providers. Approximately 100% of the reviews highlight their flexibility and strong communication skills, emphasizing their capability to adapt and implement significant improvements efficiently.
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$25,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 7 projectsBRAINSUM is a specialized web development company offering a comprehensive suite of services, including custom website development, web application development, and full-stack web development. The majority of reviews highlight their professionalism, solution-oriented approach, and effective project management, with 100% positive feedback regarding their communication and commitment to delivering on time and within budget. Clients consistently commend their expertise in Drupal and their ability to exceed expectations.
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$25,000+$25 - $49 / hr50 - 249Brooklyn, NY
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See all 18 projectsDevtorium is a comprehensive web development company specializing in full-stack web development, web design, and custom website development. Their reviews consistently highlight their professionalism, efficient project management, and ability to deliver projects on time and within budget. Notably, 100% of the reviews praise their responsiveness and adaptability to client needs, with no negative feedback reported.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 7 projectsBizdesire is a web development company specializing in Website Development and Web Design services. With consistently high ratings, 100% of reviewers commend their professionalism, responsiveness, and excellent communication. Clients highlight their expertise in Web Application Development and Custom Website Development, noting their ability to meet deadlines and deliver high-quality results, making them a highly recommended partner for web development projects.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 24 projectsAppricotsoft is a web development company specializing in custom website development, web application development, and online development. The reviews reveal a consistent theme of high satisfaction, with 100% positive feedback noting their excellent project management, timely delivery, and proactive communication. Many clients appreciate their full-stack web development expertise and integration capabilities, with 80% specifically highlighting their impressive understanding and anticipation of client needs.
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$100,000+$100 - $149 / hr50 - 249Edinburgh, Scotland
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See all 5 projectsxDesign is a digital agency specializing in mobile app and web development, with a strong emphasis on UI/UX design. Across their reviews, clients consistently praise their technical expertise, collaborative approach, and effective project management. Approximately 100% of reviewers highlight their ability to integrate seamlessly with clients' teams, and there are no significant areas for improvement mentioned. This demonstrates a high satisfaction rate among clients.
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$1,000+< $25 / hr50 - 249Bengaluru, India
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See all 15 projectsCronJ IT Technologies is a Web Development company specializing in custom web and cross-platform application development. The company is praised for its professional workflow and ability to deliver feature-rich, scalable solutions. Feedback indicates high client satisfaction, with one client noting a 73% increase in customer consumption rate. A notable 100% of reviewers mention CronJ's effective project management and communication skills.
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$5,000+$50 - $99 / hr50 - 249London, England
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See all 2 projectsRafiki is a web development company specializing in Custom Website Development and Web Design. They consistently deliver projects on time and within budget, with 100% of reviewers praising their responsive communication and quality design work. Clients particularly appreciate Rafiki's quick turnaround times and alignment with company values.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 12 projectsFicus Technologies is a web development company known for its expertise in full-stack web development, particularly in developing multi-tenant architectures for ERP platforms. Feedback highlights their outstanding project management, with 100% of reviewers praising their creativity, availability, and innovative solutions. Clients appreciate their alignment with company values and their ability to handle both front-end and back-end development effectively.
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$5,000+$50 - $99 / hr10 - 49
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See all 23 projectsLOOKSGREAT.STUDIO is a web development company specializing in custom website development and web design. The overall feedback is exceptionally positive, with reviews highlighting their creativity, project management, and ability to enhance user experience. Approximately 100% of reviewers noted significant improvements in conversion rates, and 75% mentioned impressive communication and responsiveness. However, some noted a lack of 3D capabilities.
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Undisclosed$50 - $99 / hr50 - 249London, England
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See all 14 projectsFourmeta is a proficient web development company specializing in custom website development and web application development. Their expertise includes full-stack web development and both front-end and back-end development. Customer feedback is predominantly positive, with approximately 90% of reviewers praising their innovative solutions and ability to meet challenging deadlines. However, some clients mentioned initial project management challenges that improved over time.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 18 projectsOrder Group is a full-stack web development company renowned for its proficiency in website development, web design, and web application development. Across various projects, they have consistently delivered high-quality solutions on time and within budget, with 100% of reviewers highlighting their professionalism and understanding of client needs. Their ability to handle complex challenges and adapt to dynamic project requirements is frequently praised by clients.
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$10,000+$25 - $49 / hr10 - 49Niš, Serbia
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See all 2 projectsNIRI Intelligent Computing is a software development company specializing in AI and machine learning solutions. Reviewers unanimously praise their flexibility and expertise, with 100% noting timely delivery and a strong alignment with client values. Despite minor suggestions for UI/UX improvements, clients appreciate NIRI's ability to attract top talent, consistently delivering high-value and effective solutions tailored to business needs.
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$10,000+$50 - $99 / hr50 - 249Banja Luka, Bosnia and Herzegovina
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See all 8 projectsCodaxy is a web development company specializing in custom website development and web application development, particularly within the financial sector. Reviews consistently highlight their expertise in full-stack web development, with an emphasis on their Java and CxJS frameworks. Approximately 90% of reviewers commend their project management and dedication, while nearly 70% emphasize their innovative approach and efficient problem-solving capabilities.
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$10,000+$100 - $149 / hr10 - 49Irvine, CA
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See all 22 projectsDigital Solutions is a web development company specializing in Custom Website Development and Full-Stack Web Development. They receive overwhelmingly positive feedback for their professionalism, communication, and efficient project management, with 100% of reviewers praising their seamless processes and high-quality design work. Their expertise in crafting user-friendly and visually appealing websites is consistently highlighted, with many clients experiencing significant improvements in customer satisfaction and engagement.
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$10,000+$50 - $99 / hr10 - 49Portland, ME
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See all 15 projectsFreeport Metrics is a custom website development and web application development company with a strong focus on data visualization and user engagement. With 100% positive feedback in the provided reviews, clients commend their exceptional project management, communication, and innovative solutions that enhance data-driven decision-making. Approximately 75% of reviewers highlight their ability to meet project deadlines and create functional yet aesthetically pleasing digital solutions.
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$10,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 11 projectsDigitalMara is a web development company with a focus on front-end development, offering services such as full-stack web development and web application development. Their reviews indicate a strong reputation for delivering projects on time and within budget, with 100% of reviewers highlighting their technical expertise and resource depth. However, some mentioned communication and scope management as areas for improvement.
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$100,000+$150 - $199 / hr50 - 249Calgary, Canada
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See all 18 projectsLaunchcode is a web development company specializing in custom website development and web application development. Their clients highly commend their excellent project management and communication skills, with 100% positive feedback for their usability and intuitive design. Reviewers consistently highlight their long-term vision and relationship-driven engagement, which sets them apart in the industry.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 13 projectsFINGO Software House is a professional web development company specializing in front-end development, back-end development, and full-stack web development. With 100% positive feedback from clients, reviewers consistently praise their impressive quality of delivery and strong project management skills. Clients highlight FINGO's in-depth knowledge, proactive approach, and ability to act as a partner rather than just a supplier.
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$25,000+$100 - $149 / hr2 - 9Austin, TX
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See all 17 projectsStandard Beagle Studio is a distinguished Web Development company known for its comprehensive offerings, including Web Design, Custom Website Development, and Web Application Development. Their commitment to delivering high-quality, on-time, and within-budget solutions is consistently praised by 100% of reviewers. Clients appreciate their responsive communication, creativity, and ability to meet complex needs, making them a reputable partner for diverse projects.
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$5,000+$50 - $99 / hr10 - 49Gdynia, Poland
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See all 8 projectsSolveQ is a web development company specializing in front-end and back-end services, effectively utilizing agile development principles. They received positive reviews for their commitment to delivering quality solutions swiftly, with 100% of reviewers praising their ability to solve technical challenges efficiently. Their project management, characterized by Scrum and effective communication, resulted in increased ARR for their clients.
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
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See all 18 projectsPragmatic Coders is a web development company renowned for their expertise in Full-Stack Web Development and their agile approach to project management. With 100% of feedback being positive, reviewers frequently highlight their impressive technical skills and proactive communication. Clients appreciate their ability to deliver high-quality, scalable solutions tailored to specific business needs.
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$10,000+$100 - $149 / hr10 - 49Mesa, AZ
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See all 2 projectsSkyhook Interactive is a web development company specializing in custom website and WordPress solutions. The majority of reviews highlight their ability to handle complex projects efficiently, emphasizing their strong project management skills and reliability. Clients praise their trustworthiness and rapid turnaround times, with approximately 90% of feedback noting their professionalism and competence in managing multiple websites.
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$5,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 10 projectsAkdev is a full-stack web development company known for delivering custom web solutions and seamless integration with client teams. Reviews indicate a strong focus on both front-end and back-end development, with 95% of clients highlighting their ability to meet project needs effectively. Feedback is overwhelmingly positive, noting their technical expertise and proactive approach, with no significant areas for improvement identified.
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$10,000+$50 - $99 / hr10 - 49Rosario, Argentina
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See all 7 projectsTHE BLUE BOX is a proficient web development company specializing in full-stack development, including front-end, back-end, and web application development, with a particular emphasis on custom solutions. According to their reviews, 100% of clients commend their professionalism, seamless project management, and ability to deliver projects on time and within budget. Their expertise in both web development and app development, including iOS and Android platforms, is frequently highlighted.
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$5,000+$150 - $199 / hr2 - 9Doylestown, PA
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See all 8 projectsPedrera is a web development company specializing in custom website development, web programming, and full-stack web development. The company has received consistently positive feedback, with clients praising their expertise, transparency, and project management skills. Notably, about 90% of reviewers commend Pedrera's responsiveness and ability to meet deadlines. Their work has led to significant improvements in website traffic and user engagement for their clients.
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$1,000+$50 - $99 / hr50 - 249Rajkot, India
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See all 5 projectsEncircle Technologies Private Limited is a web development company specializing in custom website development, web design, and full-stack web development. Their reviews highlight a consistent delivery of high-quality and timely projects, with 100% of reviewers praising their technical expertise and reliability. Clients particularly appreciate their responsiveness, adaptability, and strong cultural alignment, which have fostered long-term professional relationships.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 8 projectsCleverCrew is a versatile software development company specializing in front-end and back-end solutions, app development, and database management. Reviews highlight their punctuality and effective communication, with 100% of reviewers appreciating their project management and integration with teams. Clients commend their quality-to-cost ratio and innovative problem-solving, although some suggest growth in machine learning expertise and English proficiency.
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$10,000+$25 - $49 / hr50 - 249
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See all 8 projectsWeDevelop LLC is a web development company specializing in full-stack web development and custom website development. The reviews highlight their flexibility, effective communication, and innovative approach, with 100% positive feedback praising their execution and design capabilities. Clients commend their ability to handle complex and evolving projects, demonstrating strong project management and technical expertise.
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$1,000+$100 - $149 / hr10 - 49Coral Gables, FL
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See all 18 projectsTheGenieLab is a proficient web development company specializing in custom website and full-stack web development, particularly noted for their expertise in Shopify implementations. With a 100% positive feedback rate, clients consistently commend their exceptional project management, technical competence, and commitment to client success. Approximately 60% of clients highlight their effective communication and adaptability to business needs.
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$50,000+$100 - $149 / hr10 - 49London, England
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See all 13 projectsNEVERBLAND is a web development company specializing in full-stack web development and design, offering comprehensive online and custom website development services. Client feedback indicates high satisfaction, with approximately 90% of reviews highlighting their creative and innovative web design capabilities and project management proficiency. However, a few reviews suggest improvements in CMS alignment and resource scalability could enhance their service delivery.
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$5,000+< $25 / hr50 - 249Philadelphia, PA
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See all 28 projectsXtreem Solution is a web development company specializing in custom website development, web application development, and online development. Their reviews highlight impressive communication, professionalism, and commitment to client satisfaction, with 90% of the feedback being positive. Over 75% of reviewers commend their project management and ability to deliver high-quality outcomes, with some noting room for improvement in documentation and timelines.
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$1,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 52 projectsRichestSoft is a proficient web development company specializing in custom website development, front-end and back-end development, and web application development. With over 90% positive feedback, clients praise RichestSoft for their exceptional communication, professionalism, and reliable project management. Notably, 60% of reviewers emphasize their responsiveness and ability to deliver projects on time, contributing significantly to clients' business success.
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$10,000+$150 - $199 / hr50 - 249Montréal, Canada
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See all 15 projectsSignifly is a web development company specializing in custom website development, web design, and web application development. Across the reviews, clients commend Signifly for their impressive design skills, professional project management, and strong communication, with approximately 90% of reviews highlighting their ability to meet deadlines and deliver quality work. Clients appreciate their holistic approach to web development, which integrates marketing strategies and technical expertise.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 23 projectsProacto is a web development company that specializes in comprehensive website solutions, including Website Development, UX/UI design, CMS integration, and performance optimization. Reviews reveal a high level of satisfaction, with approximately 100% reporting timely and effective project delivery. Clients frequently praise their responsiveness, professionalism, and ability to align with business goals, as well as their commitment to quality and customer satisfaction.
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$5,000+$25 - $49 / hr50 - 249Lviv, Ukraine
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See all 13 projectsInforce is a web development company specializing in custom website development, web application development, and full-stack web development. The reviews highlight their commitment to quality, innovation, and proactive problem-solving. With 100% of the feedback being positive, clients commend their flexibility, communication, and ability to deliver scalable, user-focused solutions that align with business goals and foster growth.
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$10,000+$50 - $99 / hr10 - 49Atlanta, GA
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See all 21 projectsAzul Arc is a full-service web development company that specializes in custom website development and web application development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their innovation, commitment to quality, responsiveness, and strong project management skills. Clients consistently highlight Azul Arc's expertise in designing user-friendly, visually appealing websites and applications, reflecting their dedication to delivering exceptional online development solutions.
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$5,000+$100 - $149 / hr2 - 9
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See all 8 projectsYourStoreMatters | Shopify Plus Agency is a web development company specializing in optimizing store speed and enhancing page speed index scores. Reviewers consistently praise their high expertise and seamless project management, with 100% of feedback indicating timely delivery and valuable results. Their strong ratings and cost-effective services are frequently highlighted as key strengths.
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$25,000+$25 - $49 / hr50 - 249Karachi, Pakistan
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See all 13 projectsRIKSOF is a software development company specializing in mobile app, web, and IoT solutions, with capabilities in hybrid frameworks and MEAN technology stacks. Customer reviews reflect overwhelmingly positive feedback, with over 90% praising their project management, responsiveness, and quality of deliverables. Notably, around 70% of reviews highlight their ability to meet deadlines and adapt to client needs, while some suggest minor improvements in communication and resource allocation.
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$5,000+$25 - $49 / hr2 - 9Ciudad de México, Mexico
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See all 9 projectsPyME One is a versatile company offering Website Development and Web Application Development services. The overall feedback is overwhelmingly positive, with 100% of reviewers expressing satisfaction, highlighting the company's effective project management, timely delivery, and excellent communication. Notably, 70% of the reviewers praised the company for its affordability and technical expertise.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 9 projectsLestro is a proficient web development company specializing in creating robust and innovative websites and web applications, offering services such as full-stack web development, custom website development, and web design. The reviews highlight Lestro's efficiency, expertise, and exceptional project management, with over 90% of feedback being positive. Clients commend their prompt communication, attention to detail, and ability to meet deadlines, reflecting a high standard of client service and satisfaction.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 9 projectsRight.Link is a web development company offering services in Web Application Development, Back-End Development, and Custom Website Development. The reviews reveal a high level of satisfaction, with clients noting their technical expertise, timely delivery, and excellent communication skills. Approximately 100% of reviewers highlighted the company's responsiveness and problem-solving capabilities, with minor suggestions for improved documentation.
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$50,000+$100 - $149 / hr10 - 49Chicago, IL
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See all 4 projectsGraveflex is a web development company renowned for its exceptional Website Development and Web Design services. With 100% positive feedback, clients commend their seamless project execution and user-centric approach, resulting in impressive outcomes like a 300X reach expansion and flawless UX. Clients appreciate their dedication, professionalism, and ability to deliver on time and within budget.
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$50,000+$100 - $149 / hr10 - 49Orlando, FL
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See all 9 projectsInformulate is a web development company providing custom website development, web application development, and platform modernization services. Across their reviews, 100% of clients praise their technical expertise, project management, and ability to understand and achieve business objectives. Clients commend their agile management style and forward-thinking approach, noting Informulate's ability to deliver timely, reliable, and effective solutions.
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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
37.9/40.018.6/20 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$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.