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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$10,000+< $25 / hr50 - 249Surat, India
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See all 2 projectsMicraSol LLP - App Development Company is a versatile firm specializing in Web Development, including Web and Mobile App Development, and SaaS solutions. With a 100% positive feedback ratio, reviewers highlight their partnership approach and value-driven service, emphasizing their effective project management and timely delivery. Approximately 50% of reviews mention their web development expertise.
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$5,000+$50 - $99 / hr2 - 9Cranford, NJ
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See all 10 projects12 Tech is a web development company known for its strong technical expertise, specializing in front-end and back-end development. They receive predominantly positive feedback, with clients praising their meticulous project management and open communication style. Approximately 90% of reviews highlight their ability to transform high-level requests into detailed requirements and emphasize their role as a true partner in development projects.
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$10,000+$50 - $99 / hr50 - 249Žilina , Slovakia
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See all 13 projectsBRAIN:IT is a reputable web development company recognized for their expertise in full-stack web development, web application development, and IT infrastructure support. With a focus on custom website development and exceptional project management, 100% of reviewers highlighted their timely delivery, effective communication, and agile approach. Additionally, their electronic signature solutions and digital transformation initiatives consistently impressed clients, ensuring enhanced efficiency and customer satisfaction.
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$1,000+$25 - $49 / hrFreelancer
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See all 25 projectsTovmach Web Studio is a web development company specializing in Website Development and Web Design, known for delivering high-quality and visually appealing custom websites. With a satisfaction rate of nearly 100% across reviews, clients consistently praise their timely delivery, efficient project management, and strategic, user-focused design solutions. Approximately 75% of reviewers highlight their impressive speed of service and responsive communication.
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$1,000+$25 - $49 / hr250 - 999Pune, India
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See all 20 projectsMobiloitte is a full-stack web development company that excels in custom website development, mobile app creation, and backend infrastructure. Reviews highlight their impressive technical expertise, thorough project management, and responsive post-launch support. Approximately 90% of feedback praises their ability to deliver secure, user-friendly applications, while 10% suggest improvements in initial time estimation and communication speed during critical phases.
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$1,000+$100 - $149 / hr2 - 9
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See all 17 projectsCubiFlow is a web development company specializing in custom website development and full-stack web development, with an emphasis on Webflow implementations. The reviews reveal a consistent theme of excellent customer service, strategic design thinking, and on-time delivery across projects. Approximately 85% of reviewers highlighted their strong project management and responsiveness, while 90% praised their ability to align with client visions and deliver high-quality, scalable results.
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$25,000+$25 - $49 / hr10 - 49Wrocław, Poland
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See all 8 projectsoakfusion is a proficient Web Development company known for its expertise in both Front-End and Back-End Development. Their reviews reveal a 100% satisfaction rate, highlighting timely delivery and the exceptional quality of developers who integrate seamlessly with client teams. Clients commend their excellent communication and ability to quickly acclimate to projects, ensuring successful outcomes.
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$25,000+$25 - $49 / hr10 - 49Wrocław, Poland
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See all 6 projectsRatioweb, a web development company specializing in Drupal, offers services in front-end and back-end development, website redesign, and custom website development. Their reviews indicate a strong emphasis on technical competence and flexibility, with around 90% of reviews praising their adaptability and communication skills. Clients value their professional approach and ability to provide tailored solutions while seamlessly integrating with existing teams.
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$1,000+< $25 / hr50 - 249Noida, India
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See all 14 projectsClixLogix is a web development company specializing in custom technology solutions, front-end and back-end development, and web application development. They are praised for their adaptability, timely delivery, and effective communication, with approximately 90% of reviews highlighting their ability to handle complex projects and respond to client needs efficiently. While some suggest minor improvements, overall feedback is positive regarding their collaboration and problem-solving skills.
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$10,000+$50 - $99 / hr10 - 49Belfast, Northern Ireland
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See all 11 projectsWeb Bureau is a web development company specializing in website development and custom website solutions. Their reviews highlight exceptional project management, with 100% of reviewers praising their communication and timely delivery. Clients commend their technical expertise and ability to handle complex challenges, resulting in successful migrations and increased SEO and lead generation effectiveness. Overall, Web Bureau consistently delivers high-quality services with positive client experiences.
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$25,000+$50 - $99 / hr10 - 49London, England
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See all 4 projectsBitorix is a software development company specializing in custom solutions, including Dapps, fintech platforms, and NFT platforms. Reviews consistently highlight their technical expertise, agile project management, and reliability, with 100% positive feedback praising their ability to deliver complex projects on time and their exceptional communication skills. The involvement of the founders and a strong focus on client satisfaction are noted as unique strengths.
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$10,000+$150 - $199 / hr2 - 9
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See all 3 projectsKind+Human is a dynamic UX/UI design company providing innovative prototyping and design solutions. Their clients consistently highlight their creativity, with over 80% mentioning their unique and innovative approaches. The company is viewed as a partner rather than just a vendor, with a strong focus on collaboration and delivering visually compelling designs that meet modern standards. However, some reviews advise attention to finer content details.
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$25,000+< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 2 projectsEsteplogic IT Solutions Pvt. Ltd is a web development company specializing in website development and web programming, with a strong emphasis on LAMP Stack technologies. The company is praised for its flexibility, commitment to service, and ability to handle complex data management solutions, maintaining a high level of client trust. Customers report positive feedback, with no major negative reviews, highlighting a consistent delivery of quality websites.
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$1,000+$25 - $49 / hr2 - 9Zagreb, Croatia
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See all 9 projectsLupus Art Net is a web development company specializing in custom website development, web application development, and full-stack web development services. With a consistent record of professional and timely project delivery, approximately 100% of reviewers commend their expertise and responsiveness. Clients frequently highlight their ability to understand and meet specific project needs efficiently, while maintaining exceptional communication throughout.
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$10,000+$50 - $99 / hr10 - 49
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See all 5 projectsUbik Group is a web development company that provides project management and engineering services, particularly in developing web platforms. They were praised for their professional, reliable, and agile team, with 100% of the feedback highlighting their smooth onboarding process and strong expertise in the technology space.
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$25,000+$25 - $49 / hr50 - 249Vasai-Virar, India
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See all 10 projectsVervali Systems Pvt Ltd is a versatile quality assurance and testing company offering services such as manual and automation testing, UI/UX, and project management. Their reviewers consistently praise their quality of work, timely delivery, and effective communication, with 100% noting their impressive professionalism and project management skills. Additionally, 85% of reviewers highlighted their ability to integrate seamlessly with client teams, while 67% commented on their exceptional problem-solving skills.
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$5,000+$100 - $149 / hr10 - 49Chicago, IL
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See all 4 projectsFresh Design Studio is a web development company specializing in website migrations, custom website development, and ongoing maintenance and support. Clients praise their responsiveness, project management skills, and customer service, with 100% of reviewers noting their professionalism and dedication to client needs. The studio is recognized for delivering projects swiftly while maintaining a high standard of design and functionality.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsAdvetfly Solutions LLP is a web development company specializing in Website Development and Web Design. The firm received consistently positive feedback, with clients praising their understanding of tasks and proactive work culture. Notably, 100% of reviewers highlighted their effective use of tools like Slack and Figma to ensure seamless project management. Improvement in language skills was suggested by 33% of reviewers.
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$5,000+$100 - $149 / hr2 - 9
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See all 7 projectsCompire is a web development company highly praised for its proficiency in Custom Website Development and Full-Stack Web Development. Reviews highlight their strong communication skills, timely project delivery, and creative problem-solving abilities. Approximately 90% of reviewers appreciated their ability to launch complex projects successfully, though some suggested better updates in project management systems.
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$5,000+$50 - $99 / hrFreelancerLauderdale, Australia
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See all 4 projectsFlowcraft is a web development company specializing in Website Development, Custom Website Development, and Web Application Development. With a 100% positive feedback rate, clients consistently praise their timely project delivery, seamless web design, and technical expertise. Notably, 75% of reviewers commend their effective communication and collaboration, highlighting their ability to address complex challenges with innovative solutions.
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$5,000+$50 - $99 / hr10 - 49Miami, FL
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See all 9 projectsHazak is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. Across various reviews, 100% of clients praise Hazak for their high-quality work, exceptional project management, and timely delivery. Notably, clients appreciate their attention to detail, strong technical skills, and ability to deliver projects on budget, with 83% mentioning their responsiveness and customer-centric approach.
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$1,000+$50 - $99 / hr10 - 49Surat, India
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See all 2 projectsV2 Web Solutions is a highly skilled web development company specializing in custom website development and full-stack web development. They consistently receive positive reviews, with clients praising their fast communication and ability to handle complex projects efficiently. Notably, 100% of reviewers report increased site traffic and satisfaction with their professional and responsive project management.
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$5,000+$100 - $149 / hr10 - 49
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See all 3 projectsIntelry Inc. is a proficient web development and design company, specializing in website development and online presence enhancement. They have garnered overwhelmingly positive feedback for their project management, professionalism, and ability to meet client needs, with 100% of reviews praising their adaptability and client-focused approach. Clients appreciate their honesty, expertise, and ability to deliver high-quality results within budget.
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$5,000+$25 - $49 / hr10 - 49Rajkot, India
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See all 7 projectsownAI Solutions is a web development company specializing in custom website development, front-end solutions, and full-stack web development. The company receives overwhelmingly positive feedback, with clients praising their efficient project management, proactive communication, and ability to anticipate needs. Approximately 100% of reviews highlight their impressive customer service and high-quality solutions.
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Undisclosed$50 - $99 / hr10 - 49
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See all 8 projectsDrupal Partners is a web development company specializing in Drupal services, including web application development, custom website development, and full-stack web development. The firm consistently receives positive feedback for its expertise in Drupal, evident in the 100% satisfaction expressed by clients across various reviews. Clients commend the company for its responsiveness, effective project management, and strong technical capabilities.
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$10,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 4 projectsLuminoguru Pvt Ltd is a web development company known for its expertise in Web Application Development and Back-End Development. The company received overwhelmingly positive feedback, with clients praising their effective project management and ability to understand and enhance existing applications. Notably, 100% of the reviewers appreciated their flexibility and communication skills, contributing to improved business profitability and customer satisfaction.
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$5,000+$25 - $49 / hr10 - 49BUENOS AIRES, Argentina
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See all 1 projectsJedify is a web development company specializing in creating high-tech, business-oriented web solutions for both B2C and B2B markets. Reviews highlight their experienced, nimble management and effective project methodology. With 100% of feedback being positive, clients praise their understanding and ability to build essential technology, reflecting Jedify's expertise in full-stack web development and web programming.
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$5,000+$100 - $149 / hr2 - 9Warragul, Australia
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See all 7 projectsCarbon Edge Australia is a web development company specializing in Custom Website Development and eCommerce solutions. Their clients report a 40% increase in platform sign-ups and significant improvements in user engagement. With close attention to client goals and timely project management, 100% of reviewers highlight their ability to align technical and ethical objectives seamlessly.
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$10,000+$25 - $49 / hr10 - 49Nussbaumen, Switzerland
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See all 5 projectsVallex is a web development company specializing in custom website development, focusing on both front-end and back-end services. The reviews highlight their exceptional performance, with 100% positive feedback emphasizing their professionalism, accountability, and alignment with client needs. Vallex's team is praised for delivering high-availability SaaS solutions, achieving a 99.9% availability rate.
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$1,000+$25 - $49 / hr50 - 249Hyderabad, India
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See all 3 projectsTechweblabs is a web development company praised for its custom website development services. Their reviews highlight their punctuality, patience, and technical skills, with 100% positive feedback. Clients recommend Techweblabs for their effective project management and appealing web design capabilities, making them a reliable choice for online development projects.
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$5,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 12 projectsonPoint Studio is a web development company specializing in custom website development, web design, and full-stack web development. The reviews highlight their exceptional project management, timely delivery, and seamless communication, with 100% of feedback being positive. Clients commend their technical expertise and adaptability, with 80% emphasizing their responsiveness and commitment to quality. The company's ability to align with client values and deliver high-quality, cost-effective solutions is frequently noted.
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$5,000+$50 - $99 / hr250 - 999Sofia, Bulgaria
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See all 8 projectsStanga1 is a full-stack web development company specializing in end-to-end software solutions, including web application development and DevOps. Reviews praise their technical expertise, timely project delivery, and strong communication, with 100% of feedback being positive. Their adaptability and client-focused approach are frequently highlighted as key strengths.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 4 projects200OK Solutions is a reputable web development company offering comprehensive services such as full-stack web development and custom website development. The reviews reflect a high level of satisfaction, with approximately 90% of clients praising their technical expertise and project success. Notably, 60% of reviewers highlight their capability in developing scalable and compliant MVPs. However, some clients noted room for improvement in invoicing and initial project understanding.
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$25,000+$50 - $99 / hr50 - 249Zagreb, Croatia
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See all 13 projectsIngemark is a web development company specializing in web and web application development, as demonstrated by their work in web marketplace development and customer-facing dashboards. Reviews reflect a 100% satisfaction rate, highlighting their broad development knowledge, effective project management, and responsive communication. Their technical expertise and alignment with client values make them a preferred partner.
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$10,000+$100 - $149 / hr2 - 9Novi Sad, Serbia
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See all 5 projectsmadebynorth is a versatile web development company, proficient in crafting custom website solutions and applications. Reviews highlight their expertise in Web Development, particularly in full-stack and web application development, with 100% positive feedback praising their professionalism, attention to detail, and adherence to deadlines. Clients consistently commend their exceptional project management and communication skills, with no significant areas for improvement noted.
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$1,000+$50 - $99 / hr2 - 9Gujranwala, Pakistan
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See all 8 projectsBrandbees is a web development company specializing in custom website development and web design. They have received overwhelmingly positive feedback from clients, with notable praise for their project management, responsiveness, and the ability to deliver visually appealing and user-friendly sites. Clients appreciate their strategic approach to web programming, leading to improved user engagement and conversion rates.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsFhtagn! Studio is a web development company that excels in custom website development and full-stack web development. Their work, particularly in web design and web programming, is highly regarded, with 100% positive feedback praising their expertise, timely delivery, and effective communication. Clients commend their ability to create engaging online platforms and provide necessary post-production support.
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$5,000+$100 - $149 / hr2 - 9
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See all 2 projectsPB Web Development is a web development company specializing in creating and managing custom event websites with a focus on enhanced UI/UX and mobile-first design. Clients consistently praise their reliability and responsiveness, with all reviewers noting the positive impact on user experience and a 15% increase in website traffic. Their effective project management and consistent team engagement are key strengths.
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$1,000+< $25 / hr10 - 49Wah, Pakistan
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See all 1 projectsExytex Technologies is an app development company specializing in Android applications. They received positive feedback for their honesty, competence, and exceptional work quality, with 100% of the reviewers expressing satisfaction. The company is praised for effective project management and excellent communication.
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$10,000+$25 - $49 / hr10 - 49Miami, FL
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See all 2 projectsSiblings Software is a software development company recognized for its ability to provide skilled software engineers, particularly in LATAM countries. Reviews highlight the company's professional and dedicated team, with 100% positive feedback on their performance, timely delivery, and effective project management. The CEO's responsiveness and professionalism are frequently praised, contributing to a strong culture fit and value alignment.
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$100,000+$150 - $199 / hr10 - 49New York, NY
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See all 1 projectsEngine Digital is a digital strategy and design agency providing web strategy, web design, and brand identity services. Their reviews reflect a 100% positive sentiment, highlighting their strong project management, rapid prototyping, and effective collaboration. Approximately 90% of reviewers emphasize their dynamic team and customized approach, resulting in increased lead generation and overall client satisfaction.
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$1,000+$25 - $49 / hr10 - 49Coimbatore, India
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See all 2 projectsBrandingbeez is a web development company recognized for its expertise in website development and design. With 100% positive feedback, reviews highlight their effective project management and responsive communication. Clients commend Brandingbeez for their ability to craft aesthetically pleasing and competitive websites, tailored to specific market needs, demonstrating a strong understanding of both technical and client-centric challenges.
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$5,000+$100 - $149 / hr2 - 9Tyler, TX
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See all 1 projectsBurgett Consulting is an IT consulting firm specializing in data integration and analytics solutions. Reviews consistently highlight their efficiency and responsiveness, with 100% positive feedback noting their ability to meet tight deadlines and deliver timely solutions. Clients appreciate their alignment with company values and budget considerations.
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Undisclosed$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 2 projectsPrimeWeb is a boutique web development company specializing in custom website development and full-stack web development. Reviews highlight their efficiency, speed, and effective collaboration, with 100% of reviewers noting their ability to integrate seamlessly as part of the client's team. They are praised for delivering projects on time and exceeding expectations without any noted areas for improvement.
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$25,000+$50 - $99 / hr50 - 249Northbrook, IL
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See all 16 projectsConsider It Done Technologies (CIDT) is a full-stack web development company specializing in custom website development and web application solutions. Client feedback is overwhelmingly positive, with 100% of projects delivered on time and within scope, highlighting CIDT's excellent project management and rapid feature implementation skills. Notably, 75% of reviewers commend CIDT’s ability to integrate design with advanced technologies seamlessly.
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$50,000+$50 - $99 / hr10 - 49
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See all 7 projectsEnkode Technologies is a full-stack web development company specializing in Web Application Development, Custom Website Development, and conversion rate optimization. They consistently receive positive feedback for their impressive competence, effective communication, and high-quality project management, with 75% of reviews highlighting these strengths. The company is recognized for its ability to deliver exceptional services that enhance usability and drive business growth.
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$1,000+< $25 / hr50 - 249
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See all 19 projectsSteves AI Lab Pvt Ltd is a specialized company offering AI-driven solutions, particularly in healthcare transformation and web development projects. They excel in delivering innovative, impactful solutions, as reflected by their 100% positive feedback. Clients commend their excellent project management and timely delivery, with standout achievements in streamlining operations and enhancing online development.
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$1,000+$100 - $149 / hr2 - 9Al Bataeh, United Arab Emirates
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See all 1 projectsDigivertize is a web design and marketing company highly regarded for its comprehensive service offerings, including web design, copywriting, and branding. With a 100% positive feedback rate, clients commend the company for its effective workflow, knowledgeable team, and the visually appealing and user-friendly websites they develop, which have led to tangible business results.
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$5,000+$25 - $49 / hr10 - 49
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See all 11 projectsWeb25.io is a versatile web development company specializing in custom website development, web design, and digital marketing solutions. The reviews indicate a high satisfaction rate with 100% positive feedback, highlighting their responsiveness, creativity, and commitment to customer-centric solutions. Approximately 75% of reviewers commend their design quality and proactive approach.
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$1,000+$25 - $49 / hr2 - 9
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See all 5 projectsA&T-studio is a web development company specializing in high-quality website development and web design services. They are highly regarded for their professionalism and efficiency, with 100% of reviewers expressing satisfaction with the timely and quality delivery of services. Clients commend their excellent project management, responsive communication, and technical expertise, leading to a stress-free experience.
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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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% 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 -
$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.