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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$25,000+$100 - $149 / hr2 - 9Seattle, WA
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See all 9 projectsLunarbyte.io is a web development company specializing in full-stack web development and web application development. They receive overwhelmingly positive feedback, with clients praising their efficiency, project management skills, and thought leadership. Approximately 100% of reviewers highlight their responsive communication and dedication to project success, indicating a strong commitment to client satisfaction.
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$1,000+$150 - $199 / hr10 - 49Hawthorn, Australia
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See all 16 projectsEmote Digital is a full-service digital agency specializing in web development, digital marketing, and SEO strategies. With a focus on creating custom, user-friendly websites that align with clients' brand goals, Emote Digital has received overwhelmingly positive reviews. 83% of reviewers commend their proactive approach and effective project management, highlighting their transparency and responsiveness. Additionally, 75% emphasize the significant improvements in online visibility and user experience delivered by their strategic solutions.
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$25,000+$50 - $99 / hr10 - 49București, Romania
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See all 36 projectsAtta Systems is a proficient web development company, specializing in services such as custom website development, full-stack web development, and web application development. They have consistently received positive feedback, with 100% of reviewers appreciating their professionalism and problem-solving capabilities. Clients commend their effective project management and seamless communication, highlighting their ability to deliver high-quality projects within budget and on time.
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$50,000+$150 - $199 / hr10 - 49Montreal, Canada
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See all 14 projectsPlank is a web development company specializing in custom website development and web application development, with a strong focus on building effective and engaging digital experiences across various sectors. The company has earned commendations for its responsiveness, attentiveness, and collaborative approach, with 100% of reviews highlighting their client-first attitude and high-quality project management. Clients appreciate Plank's ability to deliver on time and adapt to changing project needs, leading to improved user experiences and increased online engagement.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 27 projectsThe Codest is a proficient web development company specializing in custom website and web application development, with notable expertise in Ruby on Rails and a focus on front-end and back-end integration. Across reviews, approximately 90% highlight their professionalism, timely delivery, and ability to enhance project productivity. Clients appreciate their open-mindedness and solution-oriented approach, though some suggest improvement in communication and code quality.
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$10,000+$150 - $199 / hr2 - 9Batavia, IL
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See all 10 projectsZadro Web is a web development company specializing in custom website development, web design, and full-stack web development services. They have received overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, creativity, and timeliness. Clients highlight their deep understanding of project goals and responsive communication, emphasizing their ability to produce user-friendly, aesthetically pleasing websites that align with client visions.
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$25,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 23 projects7EDGE is a full-stack web development company specializing in custom web app development and web application development. Across reviews, 7EDGE is praised for its high standards in project management and technical expertise, with an emphasis on understanding client needs and maintaining transparent communication. Approximately 90% of feedback highlights their professionalism, attention to detail, and ability to exceed expectations.
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$10,000+$25 - $49 / hr10 - 49Biała Podlaska, Poland
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See all 8 projectsClearMedia Software House is a web development company specializing in comprehensive online development, including custom website development and web application development. Their reviews reflect a 100% positive sentiment, highlighting commendable communication, attention to detail, and impressive technical skills. Approximately 80% of reviewers noted the team's responsiveness and efficiency in project management, with many praising their ability to deliver projects within budget and timelines.
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$1,000+$100 - $149 / hr10 - 49Denver, CO
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See all 28 projectsBLKDG is a full-service web development company, excelling in custom website development and front-end and back-end development. They consistently receive praise for their project management, timeliness, and ability to align with clients' visions and business goals. Across reviews, 100% of clients highlighted their effective communication and ability to deliver quality, modern websites that enhance user experience and engagement.
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$5,000+$50 - $99 / hr2 - 9
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See all 24 projectsSite Nine Studios is a web development company renowned for its expertise in custom website development, particularly with WordPress. The company excels in delivering projects on time and is noted for its modern, clean web designs and strong project management. Impressively, 100% of reviewers commend their effective communication and responsiveness, although some suggest improving phone accessibility for emergencies.
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$25,000+$150 - $199 / hr2 - 9Boulder, CO
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See all 10 projectsMerge Studio is a web development company that specializes in custom website development and offers services like web design, online development, and ongoing technical support. With a focus on nonprofit organizations, 100% of reviews highlight their exceptional project management and alignment with client goals. Clients appreciate their technical expertise, timely delivery, and collaborative approach, consistently rating their experiences positively.
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$25,000+$100 - $149 / hr50 - 249London, England
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See all 4 projectsThe Lightning Group is a web development company specializing in creating MVPs, CRMs, and front-end solutions. They receive positive feedback for their startup-friendly processes and understanding, with 100% of reviewers acknowledging their effective communication. However, there is room for improvement in their contracting and billing processes.
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$5,000+$25 - $49 / hr50 - 249Noida, India
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See all 22 projectsQuokka Labs is a web development company specializing in custom website development, mobile app development, and web application development. With positive feedback from nearly all clients, Quokka Labs is praised for its responsive leadership, on-time delivery, and effective communication. Approximately 80% of reviewers highlight their commitment to client satisfaction and adaptability to project needs.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 22 projectsAngry Nerds is a full-stack web development company renowned for its exceptional web application development services. With a focus on customer-centric project management and collaboration, they consistently exceed client expectations. Approximately 90% of reviewers highlight their investment in client success, with many praising their expertise in both front-end and back-end development. The company receives accolades for its agile methodology and ability to adapt to evolving project requirements.
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$25,000+$150 - $199 / hr2 - 9Salisbury, England
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See all 8 projectsHeadscape is a distinguished web development company specializing in custom website development, web design, and full-stack web development. Based on client reviews, 100% of feedback is positive, highlighting their expertise in creating functional and modern websites while delivering projects on time and within budget. Their strengths include excellent project management, effective communication, and a deep understanding of client needs, ensuring tailored solutions for diverse industries.
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$5,000+$150 - $199 / hr10 - 49Pleasant Ridge, MI
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See all 20 projectsPerfect Afternoon is a proficient web development company specializing in Website Development and Custom Website Development, offering comprehensive services including SEO, HubSpot setup, and Web Design. Feedback indicates high client satisfaction with 100% positive praise for their punctuality, creativity, and effective project management. Notably, 75% of reviews commend their commitment to understanding client needs and industry trends, ensuring tailored solutions for improved online presence and functionality.
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$25,000+$100 - $149 / hr10 - 49Princeton, NJ
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See all 12 projectsProven is a comprehensive web development company known for its expertise in custom website development and full-stack web development services. The company consistently receives positive feedback, with over 90% of reviewers highlighting their exceptional project management and responsiveness. Proven is praised for its ability to create intuitive and user-friendly web experiences, supported by a dedicated team that aligns well with clients' needs and objectives.
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$10,000+$150 - $199 / hr10 - 49Lakewood, CO
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See all 24 projectsNever Settle is a web development company specializing in website design, full-stack development, and SEO. They consistently receive positive feedback, with over 85% of reviewers praising their project management, responsiveness, and alignment with company values. Clients commend their ability to deliver high-quality websites, improve user engagement, and provide personalized service, although some suggest more regular updates and clearer communication on project timelines.
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$10,000+< $25 / hr50 - 249Noida, India
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See all 43 projectsAppventurez is a versatile web development company specializing in web design, custom website development, and full-stack web development. The majority of reviews are positive, with approximately 85% of reviewers praising their strong project management, responsiveness, and technical expertise. However, a few reviews highlighted areas for improvement in project management and quality assurance processes, suggesting a need for a more streamlined approach.
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$50,000+$100 - $149 / hr10 - 49Eugene, OR
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See all 12 projectsTwenty Ideas is a proficient Web Development company specializing in Custom Website Development and Web Application Development. With an impressive 100% positive feedback rate, reviewers consistently praise their professionalism, timely delivery, and innovative problem-solving abilities. Clients value their strong work ethic, creativity, and collaborative approach, often highlighting their effective communication and ability to adapt to project needs efficiently.
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$10,000+$50 - $99 / hr2 - 9Toronto, Canada
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See all 9 projectsAltoLeap Inc. is a web development company specializing in custom website and web application development. With an emphasis on quality deliverables and excellent communication, the company received 100% positive feedback across their reviews. Clients highlight their expertise, timely delivery, and adaptability to changes, making them a reliable partner for web and mobile application projects.
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$5,000+< $25 / hr1,000 - 9,999Brooklyn, NY
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See all 88 projectsTop Remotely is a comprehensive web development company specializing in Custom Website Development, Web Application Development, and Full-Stack Web Development services. With 100% positive feedback from reviewers, they are praised for their effective project management, adaptability to client needs, and tailored solutions. Clients appreciate their technical proficiency and strong alignment with business goals, although suggestions for more post-launch guidance were noted.
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$5,000+$150 - $199 / hr10 - 49Greenville, SC
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See all 5 projectsBECK is a web development company specializing in custom website development and full-stack web development, with expertise in WordPress-based solutions. Clients consistently praise their creativity, responsiveness, and project management skills, with a 100% positive feedback rate. Approximately 75% of reviewers highlight BECK's ability to meet deadlines and stay within budget. Their adaptability and strong customer service are frequently commended.
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$10,000+$25 - $49 / hr10 - 49Alexandria, Egypt
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See all 15 projectsIdentity Solutions is a web development company renowned for its expertise in custom website development, mobile app creation, and delivering high-quality digital solutions. With 100% positive feedback from clients, they are praised for their responsive communication, flexibility, and ability to meet complex requirements while delivering on time and within budget. Notably, 80% of reviewers commend their communication and project management skills.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 17 projectsWebalize is a web development company specializing in custom website development, web design, and full-stack web development projects. Across multiple reviews, clients praise the organization's professionalism, attention to detail, and efficient project management. All reviews reflect positively on the company, emphasizing their timeliness and effective communication. Approximately 100% of the reviews highlight Webalize's commitment to delivering high-quality solutions tailored to client needs.
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$10,000+$50 - $99 / hr10 - 49
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See all 21 projectsAlluxi is a versatile Web Development company excelling in Website Development, Web Design, Custom Website Development, and Full-Stack Web Development. With a commendable 100% positive feedback rate across diverse projects, clients praise Alluxi for their robust project management, technical expertise, and proactive communication. Notably, 80% of reviewers highlight their ability to exceed expectations through tailored solutions and seamless execution.
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$10,000+$50 - $99 / hr10 - 49Izmir, Türkiye
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See all 29 projectsCool Digital Solutions is a web development company specializing in custom website development, web application development, and full-stack web development services. The company receives overwhelmingly positive feedback, with 100% of clients praising their timely project delivery and responsiveness. Notably, 80% of reviewers highlight their exceptional attention to detail and ability to align with client needs, ensuring a smooth and effective collaboration.
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$1,000+$100 - $149 / hr10 - 49West Palm Beach, FL
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See all 9 projectsAjroni is a proficient web development company known for its expertise in custom website development and full-stack web development. With a 100% positive feedback rate, clients commend their exceptional communication and project management skills, highlighting timely delivery and professional execution. Approximately 80% of reviewers emphasize their responsiveness and ability to meet client needs efficiently.
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$25,000+$50 - $99 / hr50 - 249Ljubljana, Slovenia
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See all 8 projectsAgiledrop - developers for agencies and in-house teams is a web development company specializing in custom website development, full-stack web development, and web application development. The reviews highlight their seamless integration with teams, punctual delivery, and reliable project management. Approximately 80% of the reviews praise their effective communication and technical expertise, while 20% mention a need for more proactive planning suggestions.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 18 projectsWozify is a web development company specializing in custom website and web application development, with services extending to front-end and back-end development. The overall feedback from clients is overwhelmingly positive, with approximately 90% of reviews praising their project management, flexibility, and technical expertise. Many clients highlight Wozify's ability to deliver on complex projects with agility and precision, while also being highly responsive and communicative throughout the process.
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$50,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 19 projectsKRUTSCH is a full-service web development company offering custom website development, web application development, and mobile app creation. Clients describe KRUTSCH as responsive and attentive, with 83% praising their project management abilities. While some clients noted initial challenges, 67% highlighted the company's ability to adapt and meet their unique needs, resulting in successful project outcomes.
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$25,000+$100 - $149 / hr10 - 49Manor, TX
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See all 25 projectsInventive Works is a full-stack web development company specializing in custom website development, web application development, and web design. The company's reviews reflect a strong emphasis on professionalism, collaboration, and expertise in WordPress and React, with clients consistently praising their project management and communication skills. Approximately 90% of reviewers highlight their ability to meet deadlines and deliver high-quality solutions, while some suggest improvements in cost communication. Overall, Inventive Works is viewed as a valuable partner in enhancing digital infrastructures and achieving project goals.
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$5,000+$50 - $99 / hr10 - 49Rīga, Latvia
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See all 11 projectsUNECOS SOLUTIONS is a web development company known for providing custom website development and CRM solutions. Across their reviews, they consistently receive praise for their professionalism, adaptability, and timely delivery, with nearly 100% of feedback highlighting their client-centric approach and high-quality output. Their expertise in web design and development, coupled with strong project management, has led to significant operational improvements for their clients.
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$10,000+$50 - $99 / hr10 - 49Castelldefels, Spain
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See all 7 projectsUnimedia Technology is a versatile web development company specializing in Web Application Development, Full-Stack Web Development, and UI design. Reviewers unanimously praise their responsiveness, technical expertise, and seamless integration with client teams, with 100% expressing satisfaction with their project management and deliverables. Clients appreciate their ability to enhance customer engagement and rapidly implement UI improvements.
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$10,000+$50 - $99 / hr10 - 49Ciudad de México, Mexico
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See all 20 projectsSISU Technologies is a web development company specializing in custom website development, web app design, and full-stack web development. Reviews indicate that they provide high-quality services with strong communication, timely delivery, and excellent project management. Approximately 85% of reviewers highlight their responsiveness and professionalism, while 15% suggest improvements in initial budget and deadline estimations. Overall, SISU Technologies is commended for their expertise and value for cost.
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$5,000+$25 - $49 / hr10 - 49Weston, FL
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See all 12 projectsMorean is a web development company known for its adeptness in Web Development and Back-End Development services. With 100% positive feedback, clients commend Morean for its timely delivery, exceptional technical expertise, seamless communication, and collaborative approach, making them a reliable partner for projects such as A/B testing and backend redesign.
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$25,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 23 projectsDigital Natives is a versatile web development company specializing in Web Application Development, Front-End Development, and Back-End Development. With a high percentage of positive feedback across their reviews, they are praised for their ability to deliver user-centric solutions and maintain strong project management practices. Around 80% of reviewers highlight their effective communication and adaptability in addressing clients' needs, fostering successful collaborations.
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$25,000+$100 - $149 / hr10 - 49West Vancouver, Canada
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See all 8 projectsHooman Studio is a web development company specializing in web design, custom website development, and branding. Their reviews reflect a high level of client satisfaction, with 100% of reviewers praising their creativity, project management, and timely delivery. Clients noted an increase in leads and brand engagement post-project, with 60% specifically highlighting impressive design work.
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$1,000+< $25 / hr10 - 49Hanoi, Vietnam
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See all 19 projectsCapi Creative is a web design and development company specializing in custom website development and online development. Their reviews are overwhelmingly positive, with 100% of clients impressed by their clear communication and high-quality deliverables. Approximately 40% of reviewers highlight Capi Creative's ability to integrate design and functionality, ensuring websites are both aesthetically appealing and user-friendly across various devices.
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$1,000+$50 - $99 / hr2 - 9Miami, FL
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See all 7 projects1111 Media Group is a web development company offering website development, SEO, and digital marketing services. Clients report a 210% increase in B2B leads and praise their efficient project management and responsive communication. With 100% positive feedback, clients commend their comprehensive team approach and dedication to meeting deadlines.
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$10,000+$50 - $99 / hr10 - 49Coventry , England
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See all 20 projectsImobisoft is a comprehensive web development company specializing in custom website development, web application development, and full-stack web development services. They consistently receive positive feedback for their high-quality work, with clients frequently praising their responsiveness and technical expertise. Approximately 90% of reviewers highlight their timely delivery and effective communication, although some mention occasional communication slowdowns on smaller projects. Overall, Imobisoft maintains a strong reputation for delivering well-executed solutions.
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$25,000+$150 - $199 / hr10 - 49Medina, WA
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See all 29 projectsFlower Press Interactive specializes in web development and design, offering services like custom website development, front-end development, and web programming. The company has garnered overwhelmingly positive feedback, with clients praising their project management and ability to deliver high-quality, timely work. Approximately 95% of reviews highlight their expertise in web programming and design, making them a reliable choice for comprehensive web development solutions.
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$5,000+$50 - $99 / hr10 - 49Gdańsk, Poland
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See all 26 projectsINNOKREA is a web development company specializing in custom website development, web application development, and full-stack web development. Feedback across reviews is predominantly positive, highlighting their technical expertise and attention to detail. Approximately 75% of reviews mention their ability to create user-friendly, professional websites, while others emphasize their responsiveness and strong communication skills. Opportunities for improvement include enhancing the discovery phase and efficiency in communication.
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$5,000+$100 - $149 / hr50 - 249Franklin Lakes, NJ
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See all 4 projectsUX Team is a web development company recognized for their expertise in UXP design and development. They receive high praise, with 100% of reviewers highlighting their reliability and attention to detail. Clients commend their good culture fit and value for cost, with no noted areas for improvement.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 9 projectsQodeca is a web development company renowned for its comprehensive services in custom website development, full-stack web development, and web application development. With a 100% positive feedback rate, clients consistently commend Qodeca for their professionalism, commitment to client success, and ability to deliver projects on time and within budget. Notably, 100% of reviewers highlight their technical expertise and effective project management.
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$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 12 projectsYojji LTD is an esteemed web development company specializing in front-end development, web programming, and custom website development. With a strong focus on collaboration, they consistently deliver high-quality products and maintain a client-centric approach, evidenced by over 90% positive feedback. Their expertise in UX, agile project management, and engaging teamwork frequently receives commendation from clients.
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$10,000+$100 - $149 / hr10 - 49San Francisco, CA
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See all 6 projectsNova Era Agency is a web development company specializing in custom website development, web design, and SEO. The agency consistently receives positive feedback, with over 90% of reviewers highlighting their excellent communication and project management. Clients commend their creativity, responsiveness, and ability to deliver tailored solutions that enhance online presence and engagement.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 13 projectsAtlantiser® is a versatile web development company excelling in custom website development, web design, and full-stack web development. With a focus on brand strategy, they deliver exceptional digital solutions, achieving 100% client satisfaction across varied projects. Reviewers consistently praise their attention to detail, professionalism, and effective project management, with 80% highlighting their ability to meet client needs efficiently and creatively.
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$1,000+$100 - $149 / hr10 - 49Nashville, TN
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See all 12 projectsSocial Link is a comprehensive web development and marketing company specializing in creating and managing online platforms to enhance client engagement and lead generation. With 100% positive feedback from customers, they are praised for their expertise, communication skills, and ability to deliver projects on time. Their services include custom website development, social media management, and content creation, ensuring an impactful online presence for their clients.
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$25,000+< $25 / hr10 - 49Quezon City, Philippines
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See all 9 projectsJLabs is a full-stack web development company that provides services such as back-end and web application development. The company is praised for delivering projects on time and within budget, and 100% of the reviews highlight their strong communication and alignment with client needs. Some feedback suggests improved testing and documentation could further enhance their service.
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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.