Top JavaScript Developers
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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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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 3 projectsOwleks is a web development company specializing in website development and web design, with a focus on creating platforms that facilitate anonymous communication. Their work received overwhelmingly positive feedback, with 100% of reviewers expressing satisfaction with their technical and graphical implementation. Clients praised their transparent communication and effective project management, highlighting the seamless collaboration and exceeding expectations in deliverables.
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$10,000+$50 - $99 / hr50 - 249Leicester, England
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See all 3 projectsTulipTech Ltd. is an IT services company specializing in Microsoft Office 365 setup and support. Reviews highlight their technical expertise, effective project management, and proactive support, with 100% positive feedback regarding communication and solutions. The company successfully enhanced team collaboration and operational efficiency for clients.
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$5,000+< $25 / hr50 - 249Noida, India
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See all 12 projectsB2C InfoSolutions is a web development company specializing in full-stack web development and mobile applications. However, their reviews indicate mixed feedback. While some clients praised their communication and project understanding, others highlighted project delays, poor quality management, and significant communication issues. Negative feedback constitutes approximately 50% of reviews, often citing incomplete deliverables and poor project management.
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$10,000+$50 - $99 / hr50 - 249Bengaluru, India
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See all 22 projectsNextbrain is a web development company that specializes in Web Application Development, Custom Website Development, and Full-Stack Web Development. The overall feedback from reviews is predominantly positive, with clients praising their responsive project management and ability to deliver high-quality work on time. Approximately 80% of reviewers highlighted their effective communication and understanding of client needs.
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$5,000+$25 - $49 / hr50 - 249Pune, India
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See all 9 projectsPrometteur Solutions PVT LTD is a web development company proficient in online development, including web programming and custom website development. With 100% positive feedback across three reviews, clients commend their responsiveness, timely delivery, and customer-oriented approach. However, some clients noted a lack of creative input, requiring precise guidance for desired outcomes.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsSoftvery Solutions specializes in Web Development and Web Application Development, delivering high-quality, intuitive web and mobile applications. The company is consistently praised for its collaborative approach and strong technical expertise, with 100% of reviewers highlighting their seamless integration with in-house teams and commitment to timelines and quality.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectspgiovas is a professional web development company specializing in Website Development and Web Design, with a focus on custom solutions tailored to client needs. Reviewers consistently praise their empathetic approach and excellent communication, highlighting their attentive and professional service throughout the project lifecycle. With 100% positive feedback, clients appreciate their ability to adapt and provide personalized solutions.
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$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 6 projectsLead IT is a versatile software development company specializing in cross-platform mobile applications and backend solutions. With 100% positive feedback, clients commend their exceptional communication, timely delivery, and innovative problem-solving skills. Approximately 66% of reviewers highlight their initiative in enhancing project outcomes, underlining their commitment to client success and seamless integration of feedback.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 9 projectsBlue House Technologies is a web development company specializing in custom website and web application development services. With a strong emphasis on flexibility, project management, and quick turnaround times, they are praised for their ability to exceed client expectations and deliver effective online solutions. Approximately 100% of the reviews highlight their professionalism and efficiency, with mention of their impressive adaptability and problem-solving skills.
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$10,000+$50 - $99 / hr10 - 49Plano, TX
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See all 4 projectsGrowthmill is a versatile development company specializing in mobile app creation, Stripe integration, and UI/UX design. With a 100% positive feedback rate, clients consistently praise their exceptional project management, rapid response times, and outstanding customer care. Approximately 100% of reviewers commend their ability to exceed expectations and flexibility in accommodating client needs.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 7 projectsSoftPositive is a web development company specializing in custom software solutions, including full-stack web development and web application development. Their reviews highlight a 100% positive feedback rate, with clients praising their efficiency, high-quality deliverables, and agile work environment. Notably, 50% of reviewers commended their project management skills and timely execution. SoftPositive is recognized for its experienced team and strong client collaboration.
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Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
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See all 13 projectsSeta Workshop is a web development company specializing in web application development, custom website development, and UX/UI improvements. They consistently deliver high-quality projects on time, with 100% of reviewers praising their professionalism, project management, and cultural fit. Their expertise in front-end development and backend solutions is complemented by their exceptional attention to detail and client-focused approach.
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$5,000+$25 - $49 / hr10 - 49Chennai, India
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See all 11 projectsApproLabs Private Limited is a proficient web development company specializing in custom website development and full-stack web development services. Their clients consistently express satisfaction with their technical expertise and timely project delivery, with over 90% of feedback highlighting their strong project management capabilities and commitment to quality. Notably, clients appreciate ApproLabs' proactive approach in identifying solutions and their thorough understanding of requirements.
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$5,000+$50 - $99 / hr10 - 49Tarnowskie Góry, Poland
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See all 4 projectsNEATsoft is a web development company specializing in Website Development and Web Design. The firm is praised for its efficiency, cost-effectiveness, and sector knowledge, with a 100% positive feedback rate highlighting their quick implementation and effective communication. Clients value their ability to deliver impressive results and enhance business processes.
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$5,000+$50 - $99 / hr2 - 9Chișinău, Moldova
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See all 5 projectsMishto is a web development company specializing in creating user-friendly and visually appealing web platforms, with expertise in Web Design and Full-Stack Web Development. The reviews highlight their exceptional project management skills, delivering high-quality work ahead of deadlines, with 100% of reviewers praising their clean designs and UX/UI instincts. Clients appreciate their ability to provide maximum value within budget constraints without needing modifications.
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$1,000+$25 - $49 / hr2 - 9Pune, India
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See all 9 projectsFantastech Solutions is a web development company highly praised for its expertise in custom website development and full-stack web development services, primarily using WordPress. Reviews indicate a strong focus on timely delivery, excellent communication, and technical proficiency, with 100% of reviewers expressing satisfaction with their services. Clients consistently highlight the team's integrity and ability to manage complex projects efficiently.
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$25,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 7 projects404 // Software crafters is a web development company specializing in custom web and mobile platform development, particularly excelling in full-stack web development. With a focus on agriculture technology, they have demonstrated strong project management skills and adaptability, as evidenced by successful platform launches and continued client collaboration. Client feedback is overwhelmingly positive, highlighting their expertise and innovative approach.
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$1,000+$25 - $49 / hr10 - 49Zaporizhzhia, Ukraine
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See all 2 projectsWOP lab is a web development company specializing in full-stack web development, web application development, and custom website development. They are praised for their professionalism, effective communication, and ability to deliver high-quality projects on time. Approximately 90% of reviewers highlight their seamless project management and technical expertise in transforming designs into fully functioning products.
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$5,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 5 projectsCX100 Inc, formerly known as Inkoniq, is a design-focused company offering UI/UX design and product design services. Reviews indicate a strong emphasis on seamless integration with client teams and high-quality design outputs, with 100% positive feedback on their professionalism and collaborative nature. Clients consistently praise their innovative solutions and attention to user-centric design, though minor punctuality issues and initial design preparation were noted.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 1 projectsZBS Tech is a technology development company specializing in crypto and fintech solutions. With a focus on full-stack development, they are praised for their domain expertise and efficient project management, delivering over 90% of features on time. Approximately 90% of feedback highlights their expertise, clear communication, and cultural alignment, though some mention the need for improved junior developer oversight.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsrgbweb.studio is a web development company offering services such as custom website development and web design. With 100% positive feedback, reviewers highlight the company's effective communication, adherence to deadlines, and ability to deliver user-friendly solutions. Clients appreciate the team's strong project management skills and their ability to quickly understand project requirements, resulting in user satisfaction and streamlined processes.
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$25,000+$100 - $149 / hr10 - 49
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See all 3 projectsBrainspire Solutions is a software development company specializing in automation, cloud solutions, and e-commerce integrations. Across their reviews, 100% of clients praised their technical expertise, professionalism, and ability to integrate seamlessly with client teams, resulting in significant efficiency improvements such as reducing manual processes from days to minutes. Clients value their adaptability, thorough understanding of business needs, and commitment to successful project outcomes.
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$1,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 10 projectsAvelts is a full-stack web development company specializing in web design, custom website development, and web application development. According to 100% of their reviews, clients praised Avelts for their exceptional customer service, timely project management, and responsiveness to feedback. Approximately 60% of reviewers highlighted their ability to deliver tailored solutions that met client needs, with no significant technical failures reported.
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$5,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 13 projectsAround25 is a web development company specializing in full-stack web development, web application development, and custom website development. Across their reviews, 100% of clients praise their reliability, quality of work, and strong communication skills. The company is noted for their exceptional project management and flexibility, with 80% of reviewers highlighting their ability to adapt and deliver projects on time and within budget.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 5 projectsExplore Logics is a web development company known for its expertise in custom website development, web design, and web application development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their ability to deliver high-quality work on time and within budget. Clients consistently highlight their strong communication skills and flexibility in accommodating changes, though initial concerns about website security were noted and subsequently addressed.
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$10,000+$100 - $149 / hr2 - 9Los Angeles, CA
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See all 24 projectsR\nd is a versatile web development company that specializes in WordPress and custom website development, excelling in both front-end and back-end services. The company has consistently received positive feedback for its exceptional project management and communication skills, with 100% of reviewers praising these aspects. Clients highlight R\nd's ability to deliver on time and under budget, emphasizing their commitment to client satisfaction and project success.
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$1,000+< $25 / hr10 - 49Bengaluru, India
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See all 11 projectsTechsigma Global Technology Solutions is a proficient web development company offering services in Website Development, Web Design, and Custom Website Development. The reviews demonstrate an impressive commitment to timelines, with 100% of clients praising their problem-solving abilities and responsiveness. Techsigma's agile methodologies and expertise in platforms like Python and WordPress result in highly satisfactory, defect-free project outputs.
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$5,000+$50 - $99 / hr10 - 49Kyiv, Ukraine
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See all 4 projectsKHMARKA is a web development company specializing in custom website development and full-stack web development services. Reviews indicate a high level of client satisfaction, with 100% of feedback highlighting their efficient project management and technical acumen. Clients appreciate their proactive approach in combining technical skills with business insights, enhancing overall project outcomes.
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$1,000+Undisclosed50 - 249Jeddah, Saudi Arabia
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See all 11 projectsAbove Limits is a web development company specializing in Website Development, Web Design, and Custom Website Development services. Based on their reviews, they have a 100% positive feedback rate, with clients praising their exceptional time management and transparency. Their ability to deliver user-friendly and captivating web solutions is frequently highlighted by 67% of reviewers.
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$25,000+$25 - $49 / hr250 - 999Kyiv, Ukraine
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See all 16 projectsGrid Dynamics Digital Team, formerly known as Daxx, is a distinguished provider of full-stack web development and web application development services. The company excels in recruiting skilled developers, offering comprehensive HR support and efficient project management, as highlighted in over 90% of their reviews. Clients appreciate their capacity to enhance development teams and manage logistical concerns, although some suggest expanding their technical engagement.
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$10,000+$50 - $99 / hr10 - 49Basingstoke, England
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See all 6 projectsBigger Picture is a web development company that excels in custom website development and brand re-development services. With a 100% positive feedback rate, clients praise their full-stack web development expertise, attention to detail, and exceptional project management. Approximately 90% of reviews highlight their ability to enhance brand presence and increase traffic, marking them as a reliable choice for web design and development needs.
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$25,000+$50 - $99 / hr10 - 49Amman, Jordan
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See all 6 projectsPandoSoft is a versatile company specializing in Full-Stack Web Development, particularly excelling in Web Application Development and Web Design. The organization receives exceptionally positive feedback, with 100% of reviewers noting their responsiveness, understanding, and exemplary project management skills. Their commitment to delivering outstanding service is consistently highlighted across all reviews.
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$5,000+$50 - $99 / hr2 - 9Vilnius, Lithuania
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See all 3 projectsNorrspark is a web development company specializing in custom website development and full-stack web development services. Their reviews reveal a strong reputation for delivering high-quality, user-friendly web solutions, with 100% of clients commending their responsive project management and ability to explain technical concepts clearly. However, a few clients suggested more proactive guidance on best practices could enhance their offerings.
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$5,000+$25 - $49 / hr50 - 249San Jacinto, CA
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See all 1 projects75WAY TECHNOLOGIES PVT. LTD. is a versatile IT services company specializing in custom web programming, leveraging technologies such as PHP, NodeJS, and AngularJS. The company has received overwhelmingly positive feedback, with clients noting 90% project completion upon delivery and praising their consistent communication and rapid execution. Clients are advised to provide clear instructions due to potential communication nuances.
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$5,000+$150 - $199 / hr50 - 249Shelton, CT
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See all 10 projectsYork & Chapel is a web development and design company known for its expertise in website development, including front-end and back-end solutions. With a track record of positive feedback from clients, 100% of reviewers commend their project management, punctuality, and responsive communication. They consistently exceed client expectations, focusing on client satisfaction, functionality, and modern design aesthetics.
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$10,000+$25 - $49 / hr10 - 49Córdoba, Argentina
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See all 13 projectsLinkchar is a web development company specializing in custom website development, full-stack web development, and web application development. They have consistently received positive feedback, with reviewers praising their proactive and professional team, timely delivery, and effective communication. Approximately 90% of reviewers highlight impressive project outcomes and collaboration, with no significant areas for improvement noted.
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$5,000+$150 - $199 / hr10 - 49Austin, TX
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See all 4 projectsWEBii is a web development company based in Austin, specializing in custom website development and web programming, particularly utilizing WordPress and WooCommerce. The company boasts a strong reputation for flexibility, communication, and customer service excellence, with 100% of reviewers highlighting their professionalism and responsiveness. Clients appreciate their cost-effectiveness and ability to offer ongoing support and strategic guidance for diverse web development needs.
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$1,000+$100 - $149 / hr2 - 9San Ramon, CA
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See all 8 projectsdesignial is a UI/UX design and consulting company with expertise in user research, strategy, and development for web and mobile applications. With a 100% positive feedback rate, clients praise their ability to provide actionable UX solutions and strategic advice, often highlighting Raj, the founder, for his project management and strategic capabilities. Clients frequently commend their communication, flexibility, and innovative problem-solving approaches.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 22 projectsFlutterflowDevs is a web development company specializing in Web Application Development using Flutter. Reviewers noted their technical expertise, with 100% mentioning successful implementation of projects like Progressive Web Apps and Augmented Reality applications. The company's commitment to collaboration and effective project management were highlighted, with about 75% of reviews praising their responsiveness and adherence to timelines.
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$10,000+$25 - $49 / hr10 - 49Plano, TX
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See all 8 projectsIntelliCeed Inc. is a web development company that excels in full-stack web development and custom website development, as well as mobile applications. Reviews highlight their professionalism and ability to deliver high-quality solutions on time, with 100% of reviewers praising their output quality and project management skills. However, some note the need for support in other programming languages like PHP.
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$1,000+$50 - $99 / hr2 - 9Prayagraj, India
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See all 4 projectsCode Zero Studio is a web development company specializing in custom website development, web design, and online development. Across their reviews, 100% of feedback highlights their exceptional project management, attention to detail, and commitment to client satisfaction. Over 90% of clients commend their ability to deliver tailored, high-quality solutions that improve website performance and user engagement.
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$10,000+$25 - $49 / hr2 - 9Petaling Jaya, Malaysia
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See all 7 projectsExcelfixer Sdn Bhd is a proficient web development company offering services like custom website development and web application solutions. They have received overwhelmingly positive feedback, with clients praising their expertise, timely delivery, and strong communication, as highlighted by 100% of reviewers. Their commitment to quality and client satisfaction is evident through their proactive approach and post-project support.
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Undisclosed$25 - $49 / hr10 - 49Littleton, CO
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See all 10 projectsRed Chameleon Web Agency specializes in Website Development, offering services such as Web Design, Front-End Development, and SEO improvements. With a 100% positive feedback rate, clients consistently praise their professionalism, transparency, and ability to handle complex projects efficiently. Notably, 100% of reviewers highlight their effective communication and adherence to deadlines, ensuring high client satisfaction and successful project outcomes.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 5 projectsSprigStack is a Full-Stack Web Development company excelling in Website Development and Web Design. With 100% positive feedback, reviewers commend its creativity, timely delivery, and excellent communication. Notable mentions include their capability to deliver projects under budget and ahead of schedule, with all deliverables surpassing expectations.
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$1,000+$50 - $99 / hr2 - 9
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See all 17 projectsHeer Digital is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. The company's reviews are overwhelmingly positive, with 100% of clients praising their responsiveness, project management, and ability to deliver projects on time. Many clients, approximately 83%, also appreciate their technical expertise and value for money, while none have suggested areas for improvement.
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$1,000+$25 - $49 / hr50 - 249Indore, India
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See all 4 projects99coders is a web development company known for its expertise in Website Development, Custom Website Development, and ongoing website maintenance. With a strong emphasis on communication and reliability, 100% of reviewers highlight their effective project management and willingness to adapt to client needs. Clients commend their efficient service delivery, with both reviews noting the company's professional and responsive team.
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$1,000+$100 - $149 / hr2 - 9Jacksonville Beach, FL
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See all 2 projectsDoohickey is a web development company specializing in custom website development, particularly with WordPress. They received overwhelmingly positive feedback for their exceptional web programming skills and consistent communication, with 100% of reviewers praising their detail-oriented approach and result-driven services. Clients highlight their ability to transform ideas into functional and aesthetically pleasing websites.
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$5,000+$25 - $49 / hr50 - 249Osijek, Croatia
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See all 5 projectsMono Software is a software development company that specializes in web and mobile application development, enterprise solutions, and system integrations. Overall, 100% of reviewers commend their strong project management skills, communication, and code quality. While some note a need for improved self-marketing and documentation, clients appreciate their proactive approach and dedication to client needs, with long-term partnerships being a common theme.
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$1,000+$25 - $49 / hr10 - 49
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See all 3 projectsDivlogics is a versatile software development company known for its efficiency in technical problem-solving and creative design. Review feedback is overwhelmingly positive, with 100% of reviewers highlighting their flexibility and exceptional communication. Divlogics successfully addressed a critical software bug and delivered professional social media banners, demonstrating their adaptability and commitment to high-quality outcomes.
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$5,000+$50 - $99 / hr10 - 49Karachi, Pakistan
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See all 12 projectsTezeract is a versatile web development company specializing in custom website development, web application development, and full-stack web development projects. The company has received overwhelmingly positive feedback, with approximately 90% of reviewers praising their timely delivery, effective communication, and advanced understanding of AI technologies. However, around 10% of feedback highlights minor issues with testing and scaling.
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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.