Top JavaScript Developers
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Undisclosed$50 - $99 / hr50 - 249San Francisco, CA
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See all 60 projectsYellow is a versatile web development company offering services such as full-stack web development, custom website development, and web application development. Across their reviews, 100% of clients praised their technical expertise, timely project delivery, and responsive communication. Approximately 80% highlighted Yellow’s ability to integrate seamlessly with in-house teams, while 70% emphasized their commitment to quality and reliability.
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$5,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 12 projectsAKDev Group is a highly regarded Web Development company, recognized for its expertise in Custom Website Development and Full-Stack Web Development. They have consistently received positive feedback, with approximately 95% of reviewers praising their on-time delivery, high-quality standards, and seamless integration into client teams. Clients commend AKDev Group for their adaptability, transparent communication, and commitment to meeting business needs.
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$5,000+$50 - $99 / hr10 - 49London, England
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See all 41 projectsGoodspeed is a web development company specializing in Website Development, Web Design, and Web Application Development. The firm is highly praised for its responsive project management and attention to detail, with approximately 90% of reviewers noting positive results such as improved site performance and functionality. Clients consistently commend Goodspeed's speed, transparency, and technical expertise, making it a reliable choice for online development needs.
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$25,000+< $25 / hr10 - 49Yerevan, Armenia
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See all 2 projectsINSCOPE is a web development company specializing in custom website development and full-stack web development. They have received predominantly positive feedback, with clients appreciating their analytical approach and commitment to meeting deadlines. Approximately 90% of reviewers highlight their ability to deliver solutions without budget overruns. However, some initial challenges with language barriers and QA processes were noted and subsequently addressed.
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$25,000+$50 - $99 / hr10 - 49london, England
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See all 17 projectsThought&Function is a web development company specializing in custom website and web application development, offering both front-end and back-end development services. Their work is highly praised, with 100% of reviewers highlighting their effective project management and commitment to client success. They are commended for their responsive communication and ability to integrate into clients' teams, providing tailored solutions that exceed expectations.
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$25,000+$50 - $99 / hr50 - 249San Francisco, CA
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See all 19 projectsMindK is a proficient web development company specializing in custom website and web application development, with strong capabilities in full-stack, front-end, and back-end development. Their reviews indicate a high level of client satisfaction, with over 95% of the feedback being positive, highlighting their professionalism, timely delivery, and effective communication. Clients appreciate their ability to deliver quality work under challenging conditions and consider them more as partners than vendors.
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$5,000+$25 - $49 / hr10 - 49T'bilisi, Georgia
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See all 6 projectsIZY is a full-stack web development company noted for their expertise in implementing custom website designs using Ruby on Rails. Client feedback highlights their exceptional communication and commitment to project success, with 100% of reviews expressing satisfaction with their responsiveness and vested interest in client outcomes.
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$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 29 projectsFoursets is a web development company specializing in full-stack web development, web design, and SEO optimization. They enjoy a high level of satisfaction among their clients, with over 90% of reviews praising their impressive design work, timely delivery, and effective project management. While their custom website development capabilities are commendable, some reviews note minor room for improvement in areas like day-to-day communication and QA processes.
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$5,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 14 projectsBespoke Design is a web development company specializing in custom website development and full-stack web development services. Across numerous reviews, clients consistently praise their creativity, professionalism, and responsiveness, with 100% of feedback highlighting their punctual project delivery and exceptional communication. Approximately 85% of reviews emphasize their ability to deliver high-quality, custom web designs within budget.
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$5,000+$25 - $49 / hr50 - 249
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See all 47 projectsGroupBWT is a versatile web development company specializing in custom web solutions, including full-stack web development, web application development, and data scraping. They receive overwhelmingly positive feedback, with nearly 100% of reviews highlighting their project management skills and ability to deliver tailored solutions on time and within budget. Reviewers frequently praise their responsiveness and adaptability to client needs.
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$10,000+$25 - $49 / hr10 - 49دبي, United Arab Emirates
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See all 18 projectsWebSailors.pro is a prominent web development company specializing in full-stack web development, custom website development, and web application development. Clients frequently commend their adaptability, professionalism, and effective project management, which is evident in 100% positive feedback across reviews. Notably, 83% of reviewers highlight their technical expertise and seamless integration of complex functionalities. The firm demonstrates exceptional flexibility, ensuring timely delivery and high-quality outcomes.
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$10,000+$50 - $99 / hr10 - 49Bydgoszcz, Poland
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See all 17 projectsWise People is a web development company excelling in custom website development and web design. Approximately 100% of reviews highlight their exceptional project management, citing responsiveness and timely delivery. Clients commend their proactive communication and ability to align web development with brand identity, though some suggest incorporating more rigorous idea critiques for enhanced outcomes.
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$25,000+$100 - $149 / hr50 - 249Schenectady, NY
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See all 18 projectsJahnel Group, Inc. is a distinguished web development company noted for its expertise in full-stack web development, custom website development, and web application development. With 100% positive feedback, clients consistently praise their project management, flexibility, and dedication to delivering on-time and beyond expectations. Approximately 80% of reviewers highlight their impressive culture and team integration, making them a sought-after partner for diverse technological solutions.
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$10,000+$100 - $149 / hr50 - 249
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See all 6 projectsJMA, Inc is a full-stack web development company specializing in custom website development, web application development, and online development services. With a 100% positive feedback rate, clients consistently praise JMA, Inc for their exceptional project management, ability to deliver on time, and innovative solutions. Their flexibility and scalability are particularly noteworthy, making them a reliable partner for complex web and mobile app projects.
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$5,000+$50 - $99 / hr50 - 249L'viv, Ukraine
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See all 32 projectsFivecube Agency is a versatile web development company specializing in Web Design, Web Programming, and Full-Stack Web Development. They consistently receive positive feedback, with reviewers highlighting their professionalism, timely delivery, and high-quality products. Approximately 80% of reviewers commend their unique designs and efficient project management, while others note their capacity to adapt and effectively communicate with clients.
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$5,000+$150 - $199 / hr10 - 49Kansas City, MO
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See all 20 projectsCrema is a full-stack web development company specializing in web application development and custom website development. The company is praised for its adaptive project management, strong product team, and transparent collaboration, leading to high client trust. With a 100% positive feedback rate, clients highlight Crema's ability to push for beneficial solutions, ensuring projects are delivered efficiently and effectively.
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$1,000+$50 - $99 / hr50 - 249McKinney, TX
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See all 31 projectsDarly Solutions is a web development company specializing in custom website development, web application development, and full-stack web development. They consistently receive positive feedback for their project management, technical competence, and timely delivery, with 100% of reviewers praising their professionalism, communication, and ability to meet deadlines. Clients particularly value their flexibility and thorough understanding of project requirements.
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$50,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 30 projectsPieoneers is a full-stack web development company that excels in website development, web design, and web application development. Reviews highlight their professionalism, reliability, and ability to understand client visions, achieving a 100% project meeting success rate and significant SEO visibility improvements. Approximately 75% of reviewers commend their project management and strategic partnership capabilities.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 10 projectsFlatlogic is a web development company specializing in front-end and full-stack web development, including web application development, UI/UX design, and custom website development. Approximately 100% of reviewers commend their project management and communication skills, while 67% specifically highlight their adeptness in creating user interfaces. The company receives strong recommendations from clients for their flexible and high-quality development services, with no negative feedback noted.
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$5,000+$25 - $49 / hr10 - 49Poltava, Ukraine
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See all 41 projectsWeb Help Agency is a full-stack web development company specializing in custom website development, with a focus on WordPress and front-end development. Overall, 100% of reviewers highlighted their impressive communication and quality of work, with many appreciating their responsive project management and timely delivery. The agency is highly rated and recognized for its good value and efficient service execution.
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$25,000+$50 - $99 / hr50 - 249Da Nang, Vietnam
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See all 1 projectsENOUVO IT SOLUTIONS is a mobile application development company that excels in collaboration and innovation. Reviewers consistently praise the team for their knowledgeable and patient approach, with 100% of feedback highlighting their effective communication and ability to address all comments and suggestions. Clients appreciate their detailed project management and innovative solutions.
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$25,000+$100 - $149 / hr10 - 49Boston, MA
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See all 16 projectsZero Negative is a reputable web development company specializing in custom website development, web design, and full-stack development. The reviews indicate a high level of client satisfaction, emphasizing their exceptional project management, design skills, and ability to deliver unique, high-quality websites. Notably, 100% of reviewers highlight their commitment to understanding client needs and producing impressive results.
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$5,000+$50 - $99 / hr2 - 9Shanghai, China
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See all 8 projectsLantern Digital is a reputable web development company specializing in custom website development, web programming, and full-stack web development. They have consistently received positive feedback, with over 90% of reviewers highlighting their timely delivery, professionalism, and responsive communication. Their expertise in creating user-friendly, visually appealing websites tailored to specific client needs is frequently praised.
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$10,000+$25 - $49 / hr50 - 249Chernivtsi, Ukraine
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See all 45 projectsInventorsoft is a web development company specializing in custom website development, front-end development, and back-end development. Reviews indicate a strong emphasis on professionalism, effective communication, and timely delivery, with 100% of reviewers praising their project management and responsiveness. They are noted for their ability to integrate seamlessly into existing teams and deliver high-quality work, with a focus on exceeding client expectations in web programming and application development.
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$25,000+$150 - $199 / hr10 - 49Denver, CO
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See all 4 projectsTonic is a custom website development company specializing in web application development, providing comprehensive full-stack solutions. Overall feedback is highly positive, with clients praising their flexibility and knowledgeable team. Notably, 100% of reviewers commend Tonic's ability to deliver quality work within budget, and their impressive project management capabilities enhance user engagement and trust.
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$5,000+$50 - $99 / hr250 - 999Palo Alto, CA
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See all 78 projectsLITSLINK is a versatile web development company renowned for its full-stack web development services, covering both front-end and back-end development. Known for their professionalism and responsiveness, LITSLINK consistently delivers high-quality solutions, with 100% of reviewers praising their commitment to deadlines and customer satisfaction. Impressively, over 80% of reviews highlight their strong project management and problem-solving capabilities, ensuring client needs are met efficiently and effectively.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 42 projectsPecode is a web development company renowned for its expertise in Website Development, Web Design, and Web Application Development. With a perfect record of positive feedback, including mentions of their technical proficiency and seamless project management, Pecode has consistently delivered high-quality projects on time. Impressively, 100% of clients highlighted their effective communication and commitment to meeting specific business needs.
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$5,000+< $25 / hr250 - 999Ahmedabad, India
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See all 18 projectsWebClues Infotech is a web development company specializing in custom website development, front-end and back-end development, and web application development. They consistently receive positive feedback, with approximately 95% of reviews highlighting their technical expertise, project management skills, and ability to deliver projects on time. Clients commend their professionalism, communication, and dedication to high-quality solutions.
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$5,000+$50 - $99 / hr50 - 249
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See all 25 projectsWhite Label Coders is a proficient web development company specializing in Website Development, Web Design, and Full-Stack Web Development. The company consistently receives positive feedback for its technical expertise, adaptability, and communication, with nearly all reviewers highlighting their professionalism and ability to deliver on time and within budget. Clients commend their ability to tailor solutions to specific needs, with over 70% noting their exceptional project management and responsiveness.
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$25,000+$25 - $49 / hr50 - 249Las Palmas de Gran Canaria, Spain
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See all 24 projectsLasting Dynamics is a full-stack web development company specializing in custom website development and web application development. Approximately 100% of the reviews emphasize their exceptional project management and efficiency, with clients frequently highlighting their responsiveness, adherence to deadlines, and attention to detail. The company is praised for its ability to integrate complex solutions, making them a preferred choice for diverse web programming needs.
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$100,000+$50 - $99 / hr250 - 999Montevideo, Uruguay
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See all 27 projectsUruit by Nearsure is a proficient software and custom web development company that excels in providing full-stack web development, including web application, front-end, and back-end development. The overall feedback is overwhelmingly positive, with clients appreciating their technical prowess and responsive project management. While some reviews noted areas for improvement in UI/UX design, clients consistently highlight Uruit's strong development capabilities and effective communication, with approximately 80% of feedback mentioning their dynamism and flexibility.
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$5,000+$25 - $49 / hr50 - 249
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See all 25 projectsCodemotion is a distinguished web development company renowned for offering full-stack web and application development services. The reviews reflect a high level of satisfaction, with approximately 90% of clients highlighting their exceptional project management, technical expertise, and ability to deliver complex solutions. Clients commend Codemotion for their professionalism, effective communication, and commitment to integrating cutting-edge technologies, ensuring custom website development tailored to client needs.
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$5,000+$50 - $99 / hr50 - 249
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See all 26 projectsZeroqode is a web development company specializing in custom website development, web application development, and online development solutions. Across the reviews, 100% of clients commend their exceptional project management, responsiveness, and communication. Moreover, 60% of reviewers highlight Zeroqode's ability to adapt and integrate complex features seamlessly within budget constraints, underscoring their value-driven approach and effective collaboration.
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$1,000+$50 - $99 / hr250 - 999San Jose, CA
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See all 115 projectsMavlers is a web development company specializing in custom website development, full-stack web development, and web application development. Reviews highlight their exceptional project management, responsiveness, and technical expertise. Over 90% of clients commend their ability to deliver projects on time and within budget, with many appreciating their seamless communication and partnership mindset.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 32 projectsBixlabs is a web development company that specializes in full-stack web development and web application development, offering services in front-end and back-end development. Based on the reviews, Bixlabs is highly regarded for their professionalism, technical expertise, and the ability to deliver projects that meet client specifications. Approximately 90% of the feedback is positive, with clients praising their effective project management and strong communication skills, though a few noted minor areas for improvement in bug resolution and language translation.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 45 projectsHZF –– Gamedev Outsourcing Agency is a proficient development company specializing in web application development, offering services like custom website development and full-stack web development. With a focus on effective communication and timely delivery, 100% of reviewers praise their excellent communication skills, while some mention areas for improvement in design and code readability.
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$25,000+$50 - $99 / hr50 - 249Split, Croatia
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See all 1 projectsProfico is a web development company renowned for its expertise in Web Development and Web Design. With a focus on delivering high-quality custom website and web application development, Profico has received overwhelmingly positive feedback, with clients praising their flawless communication and dedication to project success. Notably, 100% of reviewers highlight their service-minded approach and accurate deliverables.
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$10,000+$25 - $49 / hr50 - 249London, England
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See all 7 projectsSovTech is a web development company specializing in Full-Stack Web Development and Custom Website Development. Reviews highlight their effective project management, open communication, and technical expertise, with around 100% positive feedback. Clients appreciate their competency in backend engineering and flexibility, though some suggest improving timeline estimations. Their work includes developing complex web applications and enhancing front-end and backend integrations.
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$50,000+$50 - $99 / hr50 - 249Austin, TX
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See all 12 projectsDivelement Web Services is a full-stack web development company excelling in web development, front-end development, and custom website development. Their reviews highlight a strong reputation for quality work, effective project management, and adaptability, with 100% of reviewers noting their responsiveness and technical expertise. Clients appreciate their ability to handle complex projects and provide innovative solutions, indicating a consistent commitment to client satisfaction.
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$25,000+$25 - $49 / hr50 - 249Kraków, Poland
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See all 20 projectsDBB Software is a versatile web development company offering services in Web Application Development, Full-Stack Web Development, and Custom Website Development. The company receives consistently high praise, with 85% of reviewers noting their timely delivery and strong problem-solving skills. While some suggest improvements in language proficiency, DBB Software's expertise and commitment to quality are widely recognized and appreciated.
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$10,000+$50 - $99 / hr50 - 249Rzeszów, Poland
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See all 23 projectsConcise Software is a full-stack web development company praised for their technical expertise, efficient project management, and professional communication. They excel in both front-end and back-end development, with services spanning Web Programming, Web Application Development, and Custom Website Development. Client feedback is overwhelmingly positive, highlighting their proactive problem-solving and adaptability, with over 85% of reviewers commending their communication skills and project management efficiency.
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$10,000+$25 - $49 / hr10 - 49Chernihiv, Ukraine
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See all 35 projectsRedlab agency is a web development company specializing in Website Development, Front-End Development, and Back-End Development across various industries. With 100% positive feedback, clients praise their ability to deliver high-quality custom websites and e-commerce solutions efficiently and on time. Reviewers frequently commend their project management skills, responsiveness, and collaborative approach, highlighting their strong client-oriented service and technical expertise.
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$10,000+$50 - $99 / hr10 - 49Culver City, CA
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See all 22 projectsTodor3D is a highly esteemed web development company specializing in 3D and AR/VR solutions, known for their full-stack web development capabilities. With over 90% positive feedback, clients frequently commend their excellent communication, technical expertise, and ability to deliver high-quality projects on time. Many reviews highlight their proactive problem-solving approach and dedication to exceeding client expectations.
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$10,000+$100 - $149 / hr10 - 49München, Germany
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See all 17 projects&why Studio is a distinguished web development company specializing in custom website development, web application development, and full-stack web development. With a primary focus on creating digital brand experiences and innovative web solutions, they have received overwhelmingly positive feedback for their strategic consultancy and project management expertise. Approximately 95% of reviewers highlighted their impressive communication and alignment with client values, underscoring their commitment to delivering high-quality, impactful digital solutions.
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$50,000+$25 - $49 / hr10 - 49Pune, India
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See all 2 projectsIncerro is a web development company specializing in front-end engineering and comprehensive software development, including both web and mobile applications. With 100% positive feedback, clients commend Incerro for their exceptional project management, timely delivery, and high-quality deliverables, highlighting their ability to manage ad-hoc requests and maintain effective communication.
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$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 23 projectsReenbit is a proficient Web Development company specializing in custom website development, web application development, and full-stack web development. With a 100% positive feedback rate, clients commend Reenbit for their professionalism, timely delivery, and adept project management. They excel in digital platform development and microservice architecture, providing innovative solutions that enhance operational efficiency across various industries.
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$5,000+$25 - $49 / hr50 - 249
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See all 20 projectsHashlogics is a web development company specializing in Website Development, Custom Website Development, and Web Programming. The reviews reveal consistent satisfaction with their technical expertise, attention to detail, and responsive communication, with approximately 95% of feedback highlighting their professionalism and the value they provide. Despite minor delays or communication improvements, clients appreciate their commitment to project success and long-term collaboration.
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$25,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 15 projectsWebbyLab is a full-stack web development company known for its exceptional custom website and web application development services. Reviews indicate a 100% satisfaction rate, highlighting their proactive project management, responsiveness, and innovative solutions. Notably, 80% of clients emphasize their technical expertise in web programming and seamless integration with internal teams, leading to successful, on-time project deliveries.
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$10,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 17 projectsStormotion is a software development company specializing in mobile apps, IoT, and SaaS platforms, frequently utilizing React Native and Bluetooth Low Energy (BLE) technologies. They are praised for their strong technical expertise, proactive problem-solving, and seamless communication. Reviews highlight their ability to meet deadlines and exceed quality expectations, with 100% of reviews emphasizing their professionalism and client-oriented approach.
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$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 20 projectsitjet is a web development company specializing in web application development, full-stack, front-end, and back-end development services. Clients highly praise their professional and responsive team, with 100% of reviews noting their timely delivery and effective communication. Approximately 80% of clients appreciate their problem-solving approach and adaptability, highlighting their capability to create user-friendly and engaging web platforms.
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Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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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.