Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 9 projectsBlack Flag Creative is a specialized Web Development company delivering Custom Website Development and Full-Stack Web Development services. Across reviews, 100% of clients praised their professionalism, with 90% highlighting their effective project management and communication. Clients consistently noted their ability to capture unique visions, resulting in improved user experiences and increased engagement. Their expertise in developing responsive, engaging websites has impressed clients across various industries.
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$25,000+$150 - $199 / hr10 - 49Austin, TX
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See all 16 projectsCURTIS Digital, Inc. is a full-service web development company specializing in custom website development, full-stack web development, and online development. They have consistently received positive feedback for their technical expertise, responsiveness, and commitment to delivering high-quality solutions, with approximately 95% of reviews highlighting their innovative approach and strong communication skills. However, some reviews suggest room for improvement in project management efficiency.
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$50,000+$100 - $149 / hr10 - 49Miami, FL
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See all 10 projectsCobuild Lab Inc is a full-stack web development company specializing in web application development and design services. The company is noted for its minimalist UI approach, versatility, and ability to translate prototypes into functional web apps. Approximately 67% of reviewers commend their problem-solving skills and cost-effectiveness, while 33% highlight the need for improved communication processes. The team is dedicated, self-directed, and demonstrates a commitment to client profitability.
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$10,000+$25 - $49 / hr50 - 249San Francisco, CA
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See all 4 projectsNovalab Tech is a versatile web development company excelling in full-stack web development, web application development, and custom website development. Across reviews, 90% praise their technical skills, communication, and commitment to project success, though 10% mention minor onboarding and team continuity issues. Overall, they are highly regarded for their ability to integrate seamlessly into client workflows and deliver high-quality results.
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Undisclosed$200 - $300 / hr50 - 249
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See all 3 projectsUeno is a design agency renowned for its expertise in user experience (UX) and user interface (UI) design, as well as its ability to deliver creative and technically complex solutions. The company receives overwhelmingly positive feedback, with clients praising their exceptional project management, creativity, and strategic thinking. Over 90% of reviewers emphasize Ueno's high-quality work and responsiveness, with no significant areas for improvement noted.
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$1,000+$25 - $49 / hr10 - 49Bangkok, Thailand
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See all 11 projectsCriclabs is a web development company specializing in Website Development, Web Design, and Web Application Development. The firm consistently receives positive feedback, with 100% of reviewers highlighting their professionalism, effective communication, and timely delivery. Clients commend their ability to create modern, user-friendly websites using technologies like Webflow, while also providing great value for cost and aligning well with company values.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 12 projectsCodeshine is a full-stack web development company excelling in web application development, custom website development, and online development solutions. With a focus on technologies like React and Next.js, 100% of their reviews highlight their technical expertise and client-focused approach. Clients uniformly praise Codeshine for their reliability, on-time delivery, and capacity to adapt to changing project requirements.
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$25,000+$100 - $149 / hr10 - 49Rotterdam, Netherlands
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See all 6 projectsLevel Level is a web development company specializing in custom website development and full-stack web development, particularly with WordPress. Their reviews highlight a strong reputation for flexibility, problem-solving, and customer-oriented service, with 100% of reviewers emphasizing their responsiveness and technical expertise. They effectively manage complex projects, although some clients suggest improvements in project management and design offerings.
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$5,000+$50 - $99 / hr10 - 49Thessaloniki, Greece
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See all 27 projectsDigital Challenge is a proficient web development company offering services such as website design, custom website development, and full-stack web development. The company has received overwhelmingly positive feedback, with approximately 85% of reviews highlighting their professionalism, timely delivery, and effective communication. Clients particularly value their attention to client needs and ability to deliver customized web solutions, with about 90% of reviews praising their responsive web design and development capabilities.
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$1,000+$25 - $49 / hr50 - 249Noida, India
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See all 11 projectsIDS Logic is a web development company specializing in custom website development and full-stack web development services. With a strong focus on WordPress development, they consistently receive positive feedback for their professionalism, responsive communication, and competitive pricing. Clients praise their ability to deliver high-quality, scalable solutions within agreed timelines, with approximately 100% of reviewers highlighting their project management efficiency and technical expertise.
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$5,000+$150 - $199 / hr10 - 49Coquitlam, Canada
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See all 14 projectsBallistic Arts is a marketing firm with a strong emphasis on web design and custom website development. Reviews indicate a high level of client satisfaction, with positive feedback about their responsiveness and expertise in website optimization and social media management. Approximately 90% of reviewers commend their innovative approach and ability to enhance online presence, while no significant negative feedback has been noted.
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$1,000+$150 - $199 / hr10 - 49Zürich, Switzerland
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See all 4 projectsDivio AG is a full-stack web development company specializing in both front-end and back-end solutions, notably utilizing the Django CMS for custom website development. Reviewers highlight their ability to deliver comprehensive web application development services, with approximately 90% providing positive feedback. Clients consistently praise Divio AG for their effective communication, technical expertise, and responsive support, which contribute to an intuitive user experience and successful project outcomes.
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$10,000+$25 - $49 / hr50 - 249Uzhhorod, Ukraine
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See all 1 projectsElementica is a development company specializing in both front-end and back-end solutions, notably praised for building business-facing portals. Their reviews reflect a 100% positive feedback rate, highlighting their efficient project management and impressive company culture. Clients appreciate their alignment with company values and cost-effective service offerings.
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$10,000+$50 - $99 / hr50 - 249Podgorica, Montenegro
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See all 9 projectsBild Studio is a web development company specializing in custom website development, web design, and full-stack web development. The company consistently receives positive feedback, with reviews highlighting their impressive project management and reliability. Approximately 100% of reviewers commend their ability to deliver complex projects efficiently, with one noting significant improvements in KPIs for e-sales and e-services.
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$10,000+$100 - $149 / hr50 - 249Gamle Fredrikstad, Norway
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See all 12 projectsFrontkom is a web development company renowned for its expertise in offering digital marketing solutions and internet applications. The company has consistently received positive feedback, with clients praising its experienced team and effective project management. Approximately 90% of reviewers highlight their smooth project execution and ability to deliver stable, problem-free systems.
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$10,000+$25 - $49 / hr50 - 249Zagreb, Croatia
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See all 15 projectsPontis Technology - a Ponteva company is a distinguished web development company specializing in custom website development, web application development, and full-stack web development. Reviews highlight their exceptional project management, with a 95% reduction in administrative time for clients and a 70% decrease in payment errors. Impressively, 100% of the reviews commend their professionalism, expertise, and proactive approach in anticipating client needs.
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$10,000+$25 - $49 / hr50 - 249Zaporizhzhia, Ukraine
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See all 5 projectsPixelTeh is a web development company specializing in custom website development, full-stack web development, and web application development. The company receives overwhelmingly positive reviews, with 100% of clients highlighting their effective communication, timely delivery, and strong technical expertise. Clients particularly commend PixelTeh's ability to manage projects efficiently and provide valuable insights beyond mere execution.
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$5,000+< $25 / hr250 - 999Dhaka, Bangladesh
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See all 1 projectsLeadSoft Bangladesh Limited is an IT application development company specializing in blockchain solutions, as evidenced by their successful development and installation of a blockchain wallet. The company is praised for its professional communication and cost-effective services, achieving project goals on time and within budget. Positive feedback is unanimous, with 100% of reviewers highlighting their professionalism and value.
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$25,000+$25 - $49 / hr50 - 249San Diego, CA
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See all 25 projectsSynergyTop is a web development company lauded for its proficiency in custom website development, front-end and back-end development, and web application development across various sectors. Their reviews reflect a 100% positive customer satisfaction rate, with clients consistently praising their responsive communication, technical expertise, and commitment to delivering projects on time and within budget. Approximately 85% of reviewers highlight their exceptional project management and ability to adapt to changing requirements.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 27 projectsWebGuru Infosystems Pvt. Ltd. is a web development company recognized for its expertise in website development and design. With over 95% positive feedback, clients commend their professionalism, creativity, and timely delivery. A significant 70% of reviewers highlight the company's effective communication and customer service, emphasizing their ability to transform visions into reality with precision and attention to detail.
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$1,000+$50 - $99 / hr2 - 9Miami, FL
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See all 7 projects1111 Media Group is a web development company offering website development, SEO, and digital marketing services. Clients report a 210% increase in B2B leads and praise their efficient project management and responsive communication. With 100% positive feedback, clients commend their comprehensive team approach and dedication to meeting deadlines.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 3 projectsVerve Systems Pvt. Ltd. is a web development company specializing in Website Development and Web Application Development. The company consistently delivers high-quality projects, with 100% of reviewers expressing satisfaction with the final product and praising their responsiveness and efficiency. Clients highlight their timely communication and effective project management, making them a reliable partner for Online Development needs.
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$10,000+$100 - $149 / hr10 - 49Bonita, CA
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See all 22 projectsEatcaviar is a web development company specializing in web design, custom website development, and online development. With a 100% positive feedback rate, clients highlight their exceptional project management, creativity, responsiveness, and ability to deliver high-quality, modern websites that enhance user experience and lead generation. Their work consistently meets or exceeds expectations with impressive results, such as improved conversion rates and significant brand presence enhancement.
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$25,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 9 projectsLeanyLabs is a full-stack web development company, renowned for its professional online development services. They have garnered overwhelmingly positive reviews, with clients praising their quick problem-solving skills, responsiveness, and impressive attention to detail. Approximately 90% of feedback highlights their effective project management and ability to deliver quality web applications on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 10 projectsAOD.space is a web development company that specializes in Full-Stack Web Development, Website Development, and Custom Website Development. Across their reviews, 100% of clients express satisfaction with their project management, noting their effective communication and innovative solutions. Clients consistently praise their ability to deliver creative and technically proficient outcomes, with a focus on collaborative teamwork and adherence to deadlines.
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$5,000+$150 - $199 / hr10 - 49Klagenfurt am Wörthersee, Austria
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See all 4 projectsdMorpheus is a web development company specializing in custom website development and full-stack web development. The reviews highlight their technical expertise, with successful completion of projects involving dynamic content and region-specific web solutions. While 100% of reviewers praised their ability to meet deadlines and deliver on technical requirements, some noted the need for clearer scope definitions to manage project budgets effectively.
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$10,000+$25 - $49 / hr50 - 249Palo Alto, CA
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See all 25 projectsKoderspedia Solutions is a comprehensive web development and design company known for delivering custom website development and mobile app solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their responsiveness, professionalism, and ability to tailor solutions to specific business needs. Clients frequently commend their project management skills and commitment to delivering high-quality, user-friendly designs while adhering to timelines and budgets.
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$1,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 5 projectsSphinxly is a web development company specializing in custom website development and web design, known for their responsive and proactive project management. With a 100% positive feedback rate, clients commend their ability to align closely with project goals and deliver appealing websites that stand out in competitive markets. Notable for their effective communication and adaptability, they ensure client satisfaction while fostering ongoing collaboration.
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$5,000+$50 - $99 / hr50 - 249Bogotá, Colombia
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See all 11 projectsANTPACK is a versatile web development company excelling in custom website development and full-stack web development, often praised for its strong project management and collaborative approach. With 100% positive feedback, clients value ANTPACK's technical expertise, proactive support, and ability to deliver projects on time, frequently highlighting their commitment to enhancing user experience and meeting digital objectives.
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$5,000+$25 - $49 / hr50 - 249Noida, India
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See all 1 projectsTecOrb Technologies Pvt. Ltd. is a full-stack web development company offering services from UX/UI design to front-end and back-end development. Client reviews highlight their exceptional project management, responsiveness, and quality of work, with 100% positive feedback emphasizing attention to detail and commitment to delivering a successful product.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 27 projectsNIVIDATA CONSULTANCY is a versatile web development company specializing in custom software development, including frontend and backend solutions, API integration, and full-stack web development. With consistently positive feedback, clients commend their timely delivery, attentive communication, and high-quality work. Approximately 90% of reviewers highlight their impressive project management and responsiveness, while many praise their ability to adapt to complex needs swiftly.
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Undisclosed$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 10 projectsProffiz is a web development company specializing in custom web application development and full-stack web development. Their reviews highlight a 100% positive feedback rate, with clients praising their high-quality work, dedication, and effective communication. Notably, 50% of reviewers commend their impressive project involvement, treating initiatives as if they are part of the client's internal team.
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$5,000+$100 - $149 / hr50 - 249New York, NY
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See all 12 projectsRapptr Labs is a comprehensive web development company specializing in custom website development and full-stack web development services. Feedback from clients highlights their innovative web application development and effective project management, with a significant 90% of reviewers commending their responsiveness and flexibility. While their services are considered high-quality and modern, 20% of feedback notes the cost as a potential drawback.
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$5,000+$25 - $49 / hr2 - 9
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See all 3 projectsFalcn Lab is a web development company specializing in custom website development and full-stack web development. With a strong focus on communication and responsiveness, 90% of reviewers praise their ability to handle complex projects effectively. While there are occasional challenges with project timelines, Falcn Lab consistently goes above and beyond to deliver high-quality work and maintain customer satisfaction.
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$50,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 4 projectsCodexWorks Technologies is a web development company specializing in enhancing and revitalizing complex web-based systems such as ERP and CRM platforms. With a 100% success rate against development roadmap goals over 14 months, clients praise their proactive approach, exceptional project management, and ability to translate client visions into functional solutions effectively. CodexWorks is consistently recognized for delivering additional value beyond initial expectations.
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$5,000+$150 - $199 / hr10 - 49Irvine, CA
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See all 11 projectsHuman is a web development company specializing in website design, management, and custom website development. They have received overwhelmingly positive feedback, with clients praising their open-minded approach and expertise. Notably, 100% of reviewers commend their culture and ability to enhance conversion-focused experiences, with continued monthly sales growth reported by clients.
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$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 2 projectsAvraDev is a web development company specializing in website development and mobile site development. They received 100% positive feedback for their adherence to project plans, professional management of changes, and responsiveness. The company is commended for its alignment with client values and budget, demonstrating a strong cultural fit.
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$25,000+$100 - $149 / hr10 - 49Hopewell, NJ
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See all 16 projectsTechNeed is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. They have consistently received positive feedback, with approximately 100% of reviews highlighting their professionalism, expertise, and collaborative approach. Clients commend their ability to deliver user-friendly and scalable online solutions, with notable mentions of their strategic input and effective project management.
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$10,000+< $25 / hr2 - 9Navi Mumbai, India
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See all 9 projectsTarkashilpa Technologies is a web development company that provides comprehensive services, including Custom Website Development and Front-End Development, as evidenced by their work on NDC platforms and test automation frameworks. With a strong focus on understanding client requirements and timely, high-quality delivery, all reviews reflect positive feedback, highlighting their agility and dedication to client success.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 31 projectsiCoderz Solutions is a web development company specializing in full-stack web development and custom website development, offering a range of services including front-end and back-end development. The company is praised for strong communication, timely delivery, and professionalism, with 100% of reviewers noting impressive project management skills. Some feedback suggests improving quality assurance processes to ensure thorough testing before product delivery.
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$10,000+$150 - $199 / hr10 - 49Austin, TX
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See all 16 projectsFahrenheit Marketing is a versatile web development company specializing in Web Design, Web Programming, and Custom Website Development. With over 90% positive feedback, clients laud their exceptional communication, professionalism, and strategic creativity. Approximately 60% of reviewers highlight their ability to handle complex projects efficiently, underscoring Fahrenheit Marketing's reliability and dedication to client satisfaction.
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$5,000+$150 - $199 / hr10 - 49Greenville, SC
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See all 5 projectsBECK is a web development company specializing in custom website development and full-stack web development, with expertise in WordPress-based solutions. Clients consistently praise their creativity, responsiveness, and project management skills, with a 100% positive feedback rate. Approximately 75% of reviewers highlight BECK's ability to meet deadlines and stay within budget. Their adaptability and strong customer service are frequently commended.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 5 projectsSednor Holdings Limited is a web development company specializing in custom website development and web application development. The company receives overwhelmingly positive feedback, with clients praising their high-quality work, effective project management, and exceptional communication skills. Notably, 100% of reviewers report satisfaction with their web design and development projects, highlighting their ability to deliver scalable, modern interfaces and seamless client-side solutions.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsReborn is a web development company specializing in website development and design, offering services such as custom website development, front-end development, and back-end development. The reviews reflect a positive image, with 100% of clients impressed by their professionalism, responsiveness, and ability to deliver high-quality work on time. Clients appreciate Reborn's dynamic and modern approach, highlighting their expertise in creating artistic brand visions and meeting high industry standards.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 29 projectsPixlogix is a distinguished web development company excelling in custom website development, web design, and online development services. Reviews consistently highlight their professionalism, strong project management, and responsiveness in delivering on time and exceeding client expectations. The company is praised for its ability to understand client visions, with 100% of reviews commending their communication and collaborative approach.
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$10,000+$100 - $149 / hr10 - 49Prescott, AZ
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See all 13 projectsEightfold is a comprehensive web development and online development company specializing in custom website development, SEO, and branding. With a strong focus on digital presence, 100% of reviews highlight their impressive project management and attention to detail. Clients consistently commend their ability to enhance conversion rates and user engagement while maintaining efficient communication and meeting deadlines.
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$10,000+$25 - $49 / hr10 - 49Cherkasy, Ukraine
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See all 7 projectsMileStep, LLC is a web development company specializing in full-stack web development and custom website development. They are highly praised for their dedication and ownership of projects, with 100% positive feedback highlighting their loyalty and realistic project management. Clients appreciate their seamless integration into teams and ability to manage technical aspects effectively.
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$5,000+$25 - $49 / hr50 - 249
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See all 14 projectsDinamicka Development is a full-stack web development company renowned for its expertise in custom software and web application development, including front-end and back-end solutions. The company consistently receives high praise for its strong project management, technical proficiency, and adept handling of complex projects, with approximately 100% of reviews highlighting their professionalism, communication, and responsiveness to client needs.
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$25,000+$50 - $99 / hr10 - 49London, England
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See all 15 projectsYalla is a web development company with a strong focus on custom website development and creating user-friendly, visually appealing, and accessible online platforms. Approximately 100% of the reviews highlight their exceptional project management, timely delivery, and high responsiveness, while 67% specifically commend their expertise in web design and front-end development. Clients consistently praise Yalla's alignment with organizational values and their innovative, client-centric approach.
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$10,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 56 projectsRV Technologies is a web development company providing services such as custom website development, app development, and web design. The company is praised for its communication skills, cost-effectiveness, and timely delivery, with approximately 90% of reviews expressing satisfaction. However, one review indicates significant dissatisfaction, highlighting issues with understanding project requirements and quality of work. Despite this, the overall theme is of a reliable partner skilled in web programming and full-stack web development.
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List of the Top 15 JavaScript Development Companies
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$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
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.5/40.019.2/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% 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 -
$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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
39.5/40.019.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Walpole, 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$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 / 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
37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% Other
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.