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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$10,000+$100 - $149 / hr50 - 249Irvine, CA
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See all 8 projectsNOVVUM is a web development company specializing in custom website development and web application development. Client reviews highlight their exceptional ability to meet aggressive deadlines while closely adhering to design specifications. Approximately 100% of the feedback is positive, emphasizing their strong project management skills, empathetic client engagement, and commitment to delivering high-quality web solutions.
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$25,000+$50 - $99 / hr10 - 49
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See all 5 projectsForma Pro is a software development company specializing in PHP and Symfony frameworks, offering backend development, software architecture, and SaaS application services. Across the reviews, 100% of clients praise Forma Pro’s expertise, professionalism, and efficient project management, highlighting their impressive communication and problem-solving skills. Clients report successful project outcomes, with 80% expressing satisfaction with minimal areas for improvement.
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$10,000+< $25 / hr50 - 249Ahmedabad, India
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See all 24 projectsTechnource is a web development company specializing in custom website development, web application development, and full-stack web development. Reviews highlight their technical expertise, responsive communication, and alignment with client values, leading to successful project outcomes. Approximately 90% of reviewers commend their project management and technical proficiency, with most noting their impressive quality of work and timely delivery.
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$5,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 10 projectsFirefly Agency is a web development company specializing in custom website development, web design, and both front-end and back-end development. With 100% positive feedback from clients, they are praised for their clear communication, timely project delivery, and deep programming expertise. Clients frequently highlight their impressive design skills and exceptional ability to support client needs effectively.
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$5,000+$150 - $199 / hr10 - 49Denver, CO
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See all 12 projectsColorado Digital is a web development company specializing in creating user-friendly and efficient websites. Their reviews highlight a 100% positive response rate, emphasizing their responsiveness and professionalism. Customers appreciate their personable approach and alignment with client needs, with 75% of reviews mentioning satisfaction with project outcomes and improved website performance.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 7 projectsMindecs is a full-stack web development company, specializing in web application development and custom website development. The company is praised for delivering quality outputs, with 100% of reviews noting their effective communication and responsiveness. Clients value their ability to quickly understand project requirements, often becoming an integral part of their team. Mindecs' strong industry knowledge and efficient project management have impressed all reviewers.
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$25,000+$50 - $99 / hr50 - 249Singapore
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See all 5 projectsMadison Technologies is a web development company specializing in custom website development, full-stack web development, and web application development. Reviews indicate a 100% positive feedback rate, highlighting their punctuality, strong project management, and proactive problem-solving capabilities. Clients appreciate their ability to adapt to company culture and provide cost-effective solutions without compromising quality.
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$25,000+$100 - $149 / hr10 - 49London, England
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See all 3 projectsHex Digital is a web development company specializing in Website Development and Web Design, with a focus on custom and full-stack web development solutions. Across their reviews, 100% of clients praised their project management skills and responsiveness, while 50% highlighted their ability to meet deadlines and deliver tailored solutions. Clients consistently commend Hex Digital for their professional approach and effective communication.
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$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
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See all 9 projectsSnappymob is a web development company that excels in custom website development and project management. They are noted for their flexible communication and ability to deliver quality work under various constraints. With 100% of the feedback being positive, they are praised for achieving milestones on schedule and accommodating client needs effectively.
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$5,000+$150 - $199 / hr2 - 9Everett, WA
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See all 52 projectsJordan Crown is a distinguished web development company specializing in custom website development, web design, and full-stack web development. With overwhelmingly positive reviews, approximately 90% of clients commend their attention to detail, responsiveness, and ability to exceed expectations. Clients frequently highlight their exceptional project management and collaborative approach, with 80% praising their communication and flexibility. Jordan Crown is particularly renowned for creating tailored online solutions that align with client goals and brand identity.
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$5,000+$25 - $49 / hr250 - 999Noida, India
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See all 4 projectsAeologic Technologies is a web development company specializing in web application development and integration of backend services. The reviews highlight their successful completion of projects with efficient communication, timely delivery, and high code quality. Notably, 100% of reviewers expressed satisfaction, with no areas for improvement mentioned. Their services are praised for aligning with client values and budgets.
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$25,000+$150 - $199 / hr10 - 49Surry Hills, Australia
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See all 2 projectsNightjar is a highly-regarded web development company known for delivering exceptional custom website development and full-stack web development services. With 100% positive feedback, clients highlight Nightjar's seamless project management, advanced technical expertise, and user-focused design solutions, which have significantly increased traffic, leads, and user engagement. Their commitment to understanding client needs and aligning with project goals is consistently praised.
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$10,000+$25 - $49 / hr10 - 49Dnipro, Ukraine
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See all 15 projectsBroscorp.net is a full-stack web development company highly praised for its technical competence and project management skills. With 100% positive feedback, clients commend their flexibility, attention to detail, and ability to deliver on time and within budget. Reviewers frequently highlight their effective communication and responsiveness, with over 75% mentioning their adaptive project management and problem-solving capabilities.
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$1,000+$25 - $49 / hr50 - 249
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See all 1 projectsCrocos is a web development company specializing in website design, custom website development, and online development solutions. Approximately 90% of reviews highlight their responsive project management and ability to deliver projects on time. Clients consistently praise Crocos for their attention to detail and customized solutions, although some suggest improvements in providing more frequent updates and detailed post-launch support plans.
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$5,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 17 projectsGrowcode is a web development company specializing in web design, front-end development, and back-end development, with a strong emphasis on conversion rate optimization. Across their reviews, 100% of clients express satisfaction, highlighting their expertise in conducting website audits, redesigning front ends, and improving online conversion rates. Growcode's professional project management and proactive approach are consistently praised, leading to significant improvements in client revenue and customer satisfaction.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 5 projectsSWOT Digital is a web development company specializing in custom website development and full-stack web development solutions. Their reviews on Clutch.co indicate a 100% positive feedback rate, highlighting their strategic and result-oriented approach, which consistently achieves business objectives and significantly increases sales. Approximately 75% of reviewers commend their unique ability to transform complex ideas into successful online platforms.
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$10,000+$25 - $49 / hr50 - 249
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See all 8 projectsSmartexLab is a web development company specializing in frontend and backend development, particularly with AngularJS and Django frameworks. Clients appreciate their efficiency and adaptability, with 100% positive feedback highlighting their reliable performance and quick implementation of requirements. Their capability to supply skilled developers on demand is frequently praised.
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$10,000+$25 - $49 / hr50 - 249Cape Town, South Africa
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See all 12 projectsHaefele Software is a web development company that excels in custom website development and full-stack web development. The reviews highlight their professional, knowledgeable, and experienced team, with 100% positive feedback on their communication and project management. Clients appreciate their alignment with company values and commitment to continuous improvement.
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$10,000+$100 - $149 / hr2 - 9New York, NY
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See all 7 projectsHyuman is a web development company specializing in custom website development and web application development. The feedback from their reviews is overwhelmingly positive, with 100% of reviewers praising Hyuman's responsiveness, communication skills, and ability to deliver projects on time. Many clients noted their high-quality work and strategic approach, with 80% emphasizing their collaborative nature and alignment with client goals.
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$5,000+$25 - $49 / hr10 - 49Łódź, Poland
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See all 7 projectsInterSynergy is a comprehensive web development company specializing in services such as custom website development, full-stack web development, and web application development. With 100% positive feedback from clients, they are praised for their responsiveness, flexibility, and high-quality deliverables. Their expertise in both front-end and back-end development has proven vital in delivering tailored solutions, meeting deadlines, and enhancing user experience.
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$10,000+$300+ / hr10 - 49Singapore, Singapore
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See all 7 projectsPixelMusica is a web development company specializing in Website Development and Custom Website Development, complemented by corporate and event photography services. With 100% positive feedback, clients commend their high-quality, timely deliveries and responsiveness, noting their exceptional support and valuable recommendations. Their alignment with company values and good culture fit are particularly highlighted by reviewers.
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$10,000+$25 - $49 / hr10 - 49
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See all 14 projectsAndromeda Web & Word.Sky is a web development company specializing in custom website development, web design, and web application development. The company is praised for its attentiveness, affordable pricing, and effective communication, with over 80% of reviews highlighting these strengths. While some projects experienced delays, 60% of reviewers noted satisfaction with the functional and visually appealing results delivered by Andromeda.
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$25,000+$150 - $199 / hr50 - 249Cardiff, Wales
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See all 6 projectsBox UK is a full-stack web development company renowned for its expertise in custom website development and web application development. Across the reviews, 100% of clients commend Box UK for their technical proficiency, proactive approach, and strong project management skills. Clients appreciate their transparency and integrity, though minor communication issues regarding budget and new methodologies were noted.
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Undisclosed$100 - $149 / hr50 - 249Dubai, United Arab Emirates
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See all 8 projectsVirtue Xolutions is a web development company with a strong emphasis on Website Development, Web Design, and SEO-friendly content creation. Feedback highlights their professionalism and timely delivery, with 100% of reviewers impressed by their technical expertise and communication. Clients appreciate their holistic approach, combining design with digital marketing to effectively capture each brand's vision.
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$1,000+$25 - $49 / hr10 - 49Coral Gables, FL
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See all 9 projectsArchie Labs is a web development company specializing in custom website development, web application development, and full-stack web development. The company is praised for its technical expertise, proactive project management, and cost-effectiveness, with 100% of reviewers highlighting their rapid response and collaboration. Despite some backend limitations, clients appreciate their ability to deliver scalable and efficient solutions, making them a reliable partner for web and online development projects.
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$1,000+< $25 / hr50 - 249Hyderabad, India
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See all 6 projectsExtended Web AppTech is a web development company specializing in website and mobile application development. With consistently positive feedback, 100% of clients praised their timely delivery, strong communication, and responsiveness. Reviewers highlighted their expertise in mobile development and zero-bug platforms, making them a reliable partner for custom website and mobile development projects.
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$50,000+$50 - $99 / hr10 - 49
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See all 14 projectsArkenea Inc is a versatile website development company offering full-stack web development services, including custom website and web application development. The reviews highlight their professionalism, strong project management, and ability to deliver quality solutions even under tight deadlines. Approximately 80% of reviewers commend their adaptability and effective communication, while 75% express satisfaction with Arkenea's technical expertise and ability to address complex challenges.
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$100,000+$50 - $99 / hr50 - 249Culver City, CA
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See all 2 projectsStateside Agency is a versatile web development and staff augmentation company, offering services such as UX design, visual design, and developer support. Reviews highlight their effective project management and seamless integration of talent, with 100% of reviewers noting their strong communication and cultural compatibility. Clients appreciate their ability to meet high-level goals and their consistent delivery of quality work.
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$25,000+$50 - $99 / hr50 - 249Kharkiv, Ukraine
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See all 30 projectsJustCoded is a web development company specializing in custom website development, web application development, and full-stack web development. Reviews consistently praise their efficient project management and high-quality deliverables, with approximately 85% of reviewers highlighting their expertise in frontend and backend development. While their QA function could improve, 90% of clients express satisfaction with their ability to meet deadlines and adapt to project needs.
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$1,000+$50 - $99 / hr10 - 49San Francisco, CA
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See all 33 projectsCharly Agency is a distinguished web development company specializing in custom website development and redesign. Across multiple reviews, clients commend its efficiency, attention to detail, and proactive project management, with over 90% highlighting their timely delivery and responsiveness. The agency consistently receives positive feedback for its ability to blend creativity with practicality, ensuring high client satisfaction and excellent web design outcomes.
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$5,000+$25 - $49 / hr10 - 49
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See all 10 projects5w155 SA is a web development company excelling in Website Development and Web Design, praised for their responsive project management and high-quality deliverables. With 100% positive feedback, clients highlight their cost-effectiveness and adaptability, with 83% noting exceptional communication. The firm consistently meets deadlines and offers impressive value for money, emphasizing pixel-perfect solutions and innovative strategies.
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$25,000+$50 - $99 / hr50 - 249Budapest, Hungary
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See all 12 projectsAdroit Group is a versatile technology company specializing in Web Development, including front-end and back-end development, and custom software solutions. The reviews reveal a strong emphasis on responsive communication and collaboration, with 100% of clients highlighting their professionalism and technical expertise. Moreover, the company's adaptability and ability to deliver high-quality projects on time have been praised by all reviewers, demonstrating their commitment to client satisfaction and project success.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 4 projectsCodeRiders is a web development company specializing in full-stack web and application development. Reviewers consistently highlight the company's proficiency in delivering complex projects with a high degree of professionalism. Notably, 100% of clients commend their expertise in both front-end and back-end development, as well as their effective project management and communication skills.
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$10,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 17 projectsThe App Master is a full-stack web development company specializing in web and mobile app development. Across three reviews, clients consistently praise their project management, responsiveness, and ability to work collaboratively with other service providers. Approximately 100% of the reviews highlight their flexibility and strong communication skills, emphasizing their capability to adapt and implement significant improvements efficiently.
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$25,000+$100 - $149 / hr10 - 49
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See all 8 projectsPurr Digital is a web development company specializing in custom website development and full-stack web development. They have consistently received positive feedback for their expertise in web programming and integration, with 100% of reviewers highlighting their impressive development skills and project management capabilities. Clients appreciate their proactive approach, time management, and seamless integration of technologies, with no feedback indicating areas for improvement.
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$10,000+$25 - $49 / hr250 - 999Kuala Lumpur, Malaysia
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See all 35 projectsInvoZone is a web development company excelling in areas like custom website development, web application development, and both front-end and back-end development. Across their reviews, 100% of clients praised their professionalism, responsiveness, and dedication to delivering high-quality results. The team is noted for its strong communication and commitment to timelines, though a few reviews suggest initial improvements in communication could enhance their service further.
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$1,000+$50 - $99 / hr2 - 9Los Angeles, CA
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See all 9 projectsSunlight Media LLC is a professional web development company providing services such as full-stack web development and web design. They consistently receive positive feedback, with reviewers highlighting their attention to detail, responsiveness, and ability to deliver projects on time and on budget. Approximately 100% of clients express satisfaction with their project management and technical expertise, noting their commitment to quality web programming and custom website development.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 20 projects300.codes is a web development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Their reviews indicate a high level of client satisfaction, with approximately 95% positive feedback. Clients consistently praise their professional project management, adaptability, seamless integration of design and development, and responsive communication. Notably, 75% of reviewers highlight their exceptional technical expertise and innovative solutions.
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$25,000+$150 - $199 / hr50 - 249Austin, TX
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See all 15 projectsMutual Mobile (A Grid Dynamics Company) is a distinguished firm specializing in full-stack web development, web application development, and custom website development. Their 100% positive feedback highlights their expertise in delivering scalable and secure web solutions. Clients commend their outstanding project management, communication, and ability to meet objectives while accommodating strategic shifts. Themes of flexibility, professionalism, and commitment to quality recur in 75% of their reviews.
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$50,000+$25 - $49 / hr1,000 - 9,999Pittsford, NY
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See all 44 projectsNetsmartz LLC is a versatile web development company specializing in Full-Stack Web Development, Custom Website Development, and Web Application Development. Their reviews highlight a high satisfaction rate, with 95% of clients praising their project management, communication, and adaptability. Clients also commend their expertise in Adobe Commerce and Magento, with 80% mentioning Netsmartz’s ability to meet business needs efficiently.
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$25,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 3 projectsAlgotech Solutions is a versatile software development company known for providing high-quality development services, including web and SaaS application development, with expertise in languages such as JavaScript, PHP, and Python. Across their reviews, 100% of clients commend their commitment, communication, and ability to integrate seamlessly into existing teams, with no reported areas for improvement. They consistently deliver projects on time and exceed expectations in problem-solving.
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$25,000+$50 - $99 / hr50 - 249Bangkok, Thailand
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See all 26 projectsSeven Peaks is a web development company praised for its full-stack web development and website creation services. Their reviews highlight a 100% positive feedback rate, with clients commending their creative and efficient web application development. Notably, 75% of reviewers emphasize Seven Peaks' strong project management and collaborative approach, ensuring timely delivery and a user-friendly experience.
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$10,000+$25 - $49 / hr10 - 49Rzeszów, Poland
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See all 7 projectsLemonUnit.com is a distinguished web development company specializing in custom website development, web programming, and full-stack web development. Reviewers unanimously appreciate their experienced team, effective project management, and the quality of their web application development, with one client highlighting their ability to deliver solutions quickly and another praising their excellent communication. Clients consistently express high satisfaction, with no negative feedback reported.
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$100,000+$150 - $199 / hr50 - 249Carmel, IN
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See all 11 projectsSEP is a web development company known for integrating seamlessly with existing teams to enhance Web Dev projects. Their expertise in full-stack development, including technologies like Java and Spring, is highly praised. With 100% positive feedback, clients appreciate their ability to accelerate project timelines and deliver results that exceed expectations.
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$5,000+$25 - $49 / hr10 - 49Lisboa, Portugal
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See all 17 projectsINSAIM DESIGN is a web development company specializing in custom website development and front-end development, notably using Webflow. With a high satisfaction rate across reviews, clients commend their creativity and professionalism, with 100% of reviewers highlighting their proactive communication and responsiveness. Although some suggest enhancing project management, their efficiency and innovative design solutions are consistently praised.
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$5,000+$25 - $49 / hr10 - 49New Delhi, India
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See all 20 projectsSimplePlan Media is a comprehensive web development company specializing in Website Development, Web Design, and strategic online solutions. With an impressive portfolio, they consistently receive positive feedback from clients, highlighting their creativity, responsiveness, and project management skills. Over 90% of reviews commend their ability to deliver bespoke, user-friendly digital experiences, with particular praise for their expertise in both front-end and back-end development, branding, and SEO optimization.
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$10,000+$100 - $149 / hr10 - 49Austin, TX
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See all 46 projectsCyboticx is a versatile web development company specializing in custom website development, web application development, and web programming. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective communication, technical expertise, and adherence to deadlines. Notably, 80% of clients praised their innovative problem-solving and design capabilities. Cyboticx's commitment to client satisfaction and project success makes them a reliable partner for website and online development projects.
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$25,000+$25 - $49 / hr50 - 249Gurugram, India
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See all 17 projectsNeuronimbus is a versatile web development company specializing in custom website development, web programming, and full-stack web development. They consistently deliver projects within budget, though some reviews note occasional delays. Approximately 80% of reviews praise their project management and expertise, while 20% suggest improvements in customer focus and creative content.
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$50,000+$150 - $199 / hr50 - 249Austin, TX
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See all 16 projectsMighty Citizen is a comprehensive web development and digital marketing firm known for their expertise in Website Development, Custom Website Development, and Web Programming. Over 90% of feedback highlights their exceptional project management skills, attention to client needs, and robust services. Clients consistently praise their ability to deliver elegant, effective solutions that align with strategic goals, leading to increased engagement and web traffic.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsTeksyo is a web development company recognized for its expertise in custom website development, web programming, and full-stack web development. The feedback across their reviews is overwhelmingly positive, with customers highlighting their timely delivery, technical expertise, and ability to align with client needs. Approximately 100% of reviewers commend their project management and responsiveness to feedback.
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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.