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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$10,000+$50 - $99 / hr50 - 249Łódź, Poland
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See all 34 projectsLiki is a web development company offering services such as front-end and back-end development, web application development, and custom website development. Reviews highlight Liki's expertise in web technologies, with 100% of reviewers noting their technical skills and ability to adapt to client needs. Clients appreciate their effective communication and project management, resulting in high satisfaction with the quality and timeliness of deliverables.
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$5,000+$25 - $49 / hr10 - 49
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See all 16 projectsBladeware is a web development company specializing in Custom Website Development, Web Application Development, and Full-Stack Web Development. Across reviews, they receive overwhelmingly positive feedback, with 100% of clients noting their excellent communication, transparent project management, and timely delivery. Clients appreciate their direct approach and proactive engagement, often highlighting their expertise in delivering high-quality results within budget.
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$5,000+$50 - $99 / hr2 - 9Shanghai, China
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See all 8 projectsLantern Digital is a distinguished Web Development company offering comprehensive services such as Website Design, Custom Website Development, and Back-End Development. Reviews highlight the company's professionalism, timely delivery, and effective project management. Impressively, 100% of reviewers noted their responsive communication and creative solutions, with no areas for improvement mentioned, making them a highly recommended partner for web projects.
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$25,000+$150 - $199 / hr2 - 9Washington, DC
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See all 17 projectsNiftic Agency is a versatile company offering web development, web design, and digital branding services. They are particularly praised for their collaborative approach and design aesthetics, consistently delivering projects on time with 100% client satisfaction. Approximately 83% of reviews emphasize their impressive project management and ability to integrate seamlessly with client teams. Additionally, 67% of reviewers commend their ability to handle complex web programming tasks and create unique user experiences.
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$10,000+Undisclosed250 - 999Hampshire, England
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See all 66 projectsCommunication Crafts is a reputable web development company specializing in Website Development, Web Design, and Web Application Development. The reviews reflect a strong emphasis on delivering high-quality solutions with a notable 100% completion rate of bug fixes on projects. Reviewers frequently praised their project management skills, flexibility, and commitment to client satisfaction, with over 80% highlighting their responsiveness and attention to detail.
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$25,000+$25 - $49 / hr50 - 249Plovdiv, Bulgaria
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See all 30 projectsNew Line Technologies is a full-service web development company specializing in custom website development, front-end and back-end development, and web application development. Their clients consistently praise their professionalism, agility, and ability to deliver projects on time and within budget. With a strong focus on communication and client satisfaction, 100% of reviewers commend their adaptability and problem-solving capabilities, highlighting their ongoing support and transparent project management.
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$50,000+$50 - $99 / hr50 - 249Burnaby, Canada
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See all 19 projectsTechnorely Inc. is a versatile company specializing in Web Development and custom web solutions. Across their reviews, 100% of clients commend their technical expertise, proactiveness, and responsiveness to client needs. Notably, 83% of reviews highlight their ability to deliver on time, while 67% emphasize their professionalism and capacity to integrate seamlessly with existing teams.
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$100,000+$150 - $199 / hr50 - 249Washington, DC
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See all 22 projectsInteractive Strategies is a versatile web development company that excels in full-stack web development, custom website development, and web design. Across various projects, 95% of clients have praised their strategic approach and project management, noting the successful delivery of websites on time and under budget. Clients often commend their adaptability and commitment to understanding specific organizational needs, making them a reliable partner for web application development and more.
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$5,000+$25 - $49 / hr2 - 9Odesa, Ukraine
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See all 6 projectsZIPL Web Studio is a distinguished web development company specializing in website development, web design, and UI/UX design. The company has received overwhelmingly positive feedback, with over 90% of reviewers praising their professionalism, timely delivery, and cost-effectiveness. Clients consistently commend their design quality and post-project support, highlighting ZIPL Web Studio's ability to handle complex projects and deliver exceptional results.
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$10,000+$100 - $149 / hr50 - 249Miami, FL
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See all 83 projectsAbsolute Web is a web development company known for delivering custom website development and full-stack web development services. The company receives predominantly positive feedback, with 100% of reviewers mentioning their responsiveness, professionalism, and ability to meet deadlines. Their expertise in creating user-friendly, aesthetically pleasing websites is particularly highlighted, with 80% of reviewers praising their attention to detail and alignment with company values.
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$5,000+< $25 / hr10 - 49Ho Chi Minh, Vietnam
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See all 2 projectsARI Technology is a technology consulting firm specializing in AI and Big Data solutions. Reviews indicate a high level of professionalism and efficient project management, with 100% positive feedback on meeting deadlines and responsiveness. Notably, 100% of reviewers appreciate their proactive approach, though some suggest improvements in the feedback collection process during project handover stages.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 35 projectsNimblechapps Pvt. Ltd. is a web development company specializing in custom website development, front-end, and back-end development, with a strong focus on performance optimization and responsive design. They have received overwhelmingly positive feedback, with clients praising their proactive communication, technical expertise, and efficient project management. Approximately 90% of reviewers highlight their ability to deliver projects on time, often exceeding client expectations.
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$5,000+$50 - $99 / hr10 - 49Częstochowa, Poland
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See all 12 projectsBrival is a versatile software development company specializing in creating telemedicine platforms, investment platforms, e-commerce solutions, and mobile applications. Reviewers consistently highlight Brival's excellent communication, methodical project management, and ability to deliver projects on time and within budget. Notably, 100% of reviewers praised their responsiveness and flexibility in accommodating changing project needs, while 90% emphasized their problem-solving skills and commitment to client satisfaction.
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$10,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 15 projectsSolidstudio - eMobility Software is a company specializing in custom software development, notably in full-stack web and mobile application development. The company has received overwhelmingly positive feedback, with clients praising their technical expertise and project management skills. Approximately 90% of reviewers highlight their ability to deliver high-quality, scalable solutions, emphasizing their proficiency in web and mobile platform integration and agile methodologies.
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$5,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 3 projectsMANE is a distinguished web development company known for its expertise in custom website development, front-end and back-end development, and full-stack web development. With consistently positive feedback, 100% of reviewers praise their exceptional communication skills and high-quality, timely delivery. Clients commend MANE's ability to integrate complex systems and their creative, engaging approach to project management.
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$5,000+$25 - $49 / hr10 - 49Sumy, Ukraine
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See all 28 projectsYelpix LLC is a professional web development company specializing in Website Development, Web Design, and Full-Stack Web Development services. They consistently receive positive feedback for their timely project delivery, clear communication, and proactive approach, with 100% of reviewers highlighting their expertise and reliability. Clients frequently commend them for their speed, responsiveness, and ability to enhance initial designs.
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$25,000+$200 - $300 / hr10 - 49Sacramento, CA
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See all 6 projectsGoodness (Formerly Bukwild) is a full-stack web development company praised for its creative and strategic web design and development services. They consistently deliver high-quality solutions, with 100% of reviews highlighting their adept project management and responsiveness to client needs. Clients appreciate their alignment with business goals and value-driven approach, making them an ideal partner for custom website development projects.
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$1,000+$100 - $149 / hr10 - 49Coral Gables, FL
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See all 20 projectsTheGenieLab is a web development company specializing in custom website development and web programming, with a focus on platforms like Shopify. Overall feedback is highly positive, with clients praising their technical expertise, project management, and responsiveness. Approximately 100% of reviewers commend their project management skills and communication, with no significant areas for improvement noted.
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$25,000+$50 - $99 / hr50 - 249Cluj-Napoca, Romania
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See all 27 projectsHalcyon Mobile is a distinguished web and mobile development company specializing in web application development and custom website development. Across reviews, 100% of clients highlight their exceptional professionalism, technical proficiency, and ability to deliver robust products under tight deadlines. Clients commend their dedication, with 90% emphasizing their impressive project management and flexibility, which contribute to a high quality-to-price ratio.
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$25,000+$100 - $149 / hr50 - 249San Jose, CA
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See all 30 projectsEIGHT25MEDIA is a reputable web development company specializing in web design, full-stack web development, and custom website development. The company has received overwhelmingly positive feedback, with approximately 90% of reviewers praising their efficiency, quality, and project management skills. Clients frequently highlight their ability to quickly address issues and deliver high-quality results on time, with 60% specifically noting their impressive communication and responsiveness.
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$100,000+$150 - $199 / hr10 - 49Amesbury, MA
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See all 34 projectsImarc is a web development company specializing in custom website development and web application development, offering services from full-stack web development to front-end and back-end development. The reviews indicate a high level of client satisfaction, with approximately 90% of feedback being positive. Imarc is praised for its impressive project management skills, adaptability, and ability to deliver projects on time, although a few clients noted room for improvement in project estimation.
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$25,000+$150 - $199 / hr10 - 49San Francisco, CA
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See all 7 projectsCylogy Inc. is a prominent web development company offering a range of services including custom website development, web programming, and front-end and back-end development. The company has consistently received positive feedback for its technical expertise and project management, with 100% of reviewers highlighting their responsiveness and flexibility. Clients commend Cylogy Inc. for effectively integrating with their teams and delivering high-quality, reliable, and efficient web solutions.
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$10,000+$25 - $49 / hr50 - 249Dnipro, Ukraine
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See all 25 projectsCentum-D is a web development company offering services such as website design, front-end and back-end development, and custom website development. Reviews indicate a blend of positive and negative experiences: 70% of reviews highlight excellent project management and responsive communication, while 30% report issues with deadlines and project scope. Despite challenges, many clients appreciate Centum-D's expertise and cost-effective solutions.
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$10,000+$100 - $149 / hr10 - 49Kelowna, Canada
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See all 31 projectsCheeky Monkey Media Inc. is a full-stack web development company specializing in custom website development, web application development, and web design. The company has consistently received positive feedback, with over 90% of reviewers highlighting their expertise in project management and responsiveness. Clients commend their ability to tailor solutions to fit budget and scope while maintaining a collaborative and professional approach, which enhances user experience and optimizes SEO performance.
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$1,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 12 projectsAdex360 is a web development company that excels in Website Development and Web Design, offering tailored solutions for clients in the fashion industry. Reviews highlight their innovative approach, professionalism, and deep brand understanding, with 100% positive feedback mentioning their attention to detail and commitment to quality. Minor improvement areas include enhancing proactive communication during final stages of projects.
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Undisclosed$25 - $49 / hr2 - 9Warszawa, Poland
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See all 11 projectsFlyHigh.PRO is a web development company specializing in custom website development and web design services. The company is highly regarded for its deep expertise, exceptional quality, and responsive communication, with 100% of reviewers noting their professionalism and flexibility. Clients consistently praise their ability to meet deadlines and deliver high-performance websites, with no negative feedback reported. FlyHigh.PRO excels in project management, often exceeding client expectations for quality and service.
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$50,000+$150 - $199 / hr10 - 49Vancouver, Canada
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See all 17 projectsSkyrocket Digital is a web development company specializing in custom website development and digital solutions with a focus on sustainability and client satisfaction. Feedback from clients indicates a high level of satisfaction, with approximately 100% positive reviews highlighting their efficient project management, commitment to client needs, and ability to deliver innovative solutions that enhance user experience and brand engagement.
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UndisclosedUndisclosed250 - 999București, Romania
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See all 8 projectsCegeka Romania is a distinguished IT services company specializing in staff augmentation, software development, and Identity & Access Management solutions. The company receives positive feedback for its adaptability, communication skills, and project delivery efficiency, with over 90% of reviews highlighting these strengths. However, some reviews suggest potential improvement in the breadth of their talent pool and finance department practices.
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$10,000+$100 - $149 / hr2 - 9Sydney, Australia
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See all 4 projectsCroissant & Baguette is a web development company specializing in custom website development, front-end and back-end development, and web application development. The company has garnered 100% positive feedback, with clients praising their timely delivery, high-quality commitment, and responsiveness. Notably, 100% of reviewers highlighted their ability to understand and implement client visions effectively.
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$10,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 11 projectsSunrise Integration is a website development company known for enhancing website functionality and design, emphasizing professionalism and thoroughness. With 100% of reviews highlighting successful project outcomes, clients praise their ability to improve site structure, speed, and compliance, aiding in business growth and online presence, as seen through improved Google rankings and increased online bookings.
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$5,000+$25 - $49 / hr50 - 249Lviv, Ukraine
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See all 15 projectsInforce Digital is a proficient web development company specializing in Website Development, Web Design, Full-Stack Web Development, and Custom Website Development. With a 100% positive feedback record, clients commend their technical expertise, user-centric approach, and effective project management. Notably, 80% of reviewers highlight their commitment to quality and innovation, resulting in scalable, user-friendly web solutions.
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$10,000+$25 - $49 / hr10 - 49
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See all 9 projectsGorazdo Studio is a web development company known for its expertise in website development, web programming, and custom website development, particularly using cutting-edge technologies such as Next.js. Reviews highlight their proficiency in creating high-performance web platforms and effective project management, with 100% of feedback being positive and commendations for their flexibility and innovative solutions.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectssiteGist is a proficient web development company specializing in e-commerce solutions, renowned for their exceptional ability to integrate complex APIs and deliver custom solutions. The feedback from Lviv Handmade Chocolate highlights siteGist's superior communication, agile management, and product-focused mindset, with 100% positive remarks on their ability to increase orders significantly, particularly during challenging times.
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$25,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 2 projectsSDCLabs is a web development company praised for their expertise in website development and customizable solutions. With positive feedback highlighting their attention to detail and smooth project execution, 100% of reviewers express satisfaction with their web application development skills and communication, underscoring their commitment to delivering high-quality work in a timely manner.
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$25,000+$100 - $149 / hr10 - 49Cambridge, England
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See all 11 projectsStudio 24 is a web development company specializing in custom website development, with expertise in creating engaging web applications and interactive web maps. With 100% of reviewers praising their communication and problem-solving skills, clients highlight their capacity to deliver modern and effective solutions even within tight deadlines. Studio 24 is noted for its technical knowledge, particularly in front-end and back-end development.
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$10,000+$50 - $99 / hr2 - 9
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See all 10 projectsConcealed is a web development company specializing in custom website and web application development, including front-end and back-end services. The feedback is overwhelmingly positive, with 100% of reviewers praising their professionalism, timely delivery, and excellent project management. Clients commend their technical expertise and responsiveness, noting their ability to enhance online presence and client engagement.
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$25,000+$100 - $149 / hr10 - 49Spokane, WA
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See all 6 projectsHoudini Interactive is a web development company specializing in custom web solutions and brand development. The reviews indicate a 100% positive feedback rate, highlighting their responsiveness, timely delivery, and exceptional communication skills. Reviewers frequently praised Houdini's alignment with company values and the ability to integrate creativity with technical expertise, particularly in Website Development and Custom Website Development.
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$10,000+$25 - $49 / hr250 - 999Bellandur Amanikere, India
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See all 13 projectsCodilar Technologies is a web development company specializing in custom website development and Magento solutions. They have consistently been praised for effective project management and client-focused service, with an impressive 100% positive feedback from reviewers. Clients commend their ability to deliver customized platforms, optimize performance, and maintain open communication, ensuring seamless project execution and client satisfaction.
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$10,000+$25 - $49 / hr250 - 999Ahmedabad, India
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See all 48 projectsMindInventory is a comprehensive web development company specializing in full-stack web, app, and custom website development. With over 90% of reviewers highlighting their strong project management, responsiveness, and timely delivery, MindInventory has earned high ratings for its flexibility and technical expertise. However, 10% of feedback noted dissatisfaction, emphasizing the need for improved technical skills and communication.
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$25,000+$25 - $49 / hr10 - 49Vaughan, Canada
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See all 11 projectsCodepaper is a web development company specializing in web design, custom website development, and web application development. Across their reviews, 100% of clients highlight their strong project management and effective communication. Approximately 80% praise their ability to provide cost-effective, tailored solutions that align closely with client needs, enhancing user experience and operational efficiency. This commitment to customer satisfaction is a recurring theme in their feedback.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 3 projectshue&machine is a web development company specializing in web design and development services. Reviews highlight their exceptional user interface and user experience design, with 100% of feedback praising their communication and timely delivery. Clients appreciate their clean, minimalistic approach to custom website development, with no areas for improvement mentioned.
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$10,000+$50 - $99 / hr50 - 249Atlanta, GA
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See all 9 projectsIntuitio Labs is a web development company specializing in custom website development, front-end and back-end development, and web application development. Overall feedback from their clients highlights excellent communication, timely delivery, and high-quality work, with 100% of reviewers emphasizing their effectiveness and value for cost. Clients also appreciate their proactive approach, considering them subject matter experts in web development and management.
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$25,000+$50 - $99 / hr250 - 999London , England
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See all 13 projectsRNDpoint is a web development company recognized for its proficient delivery of front-end and back-end development services, including full-stack web development and custom website development. Across reviews, 100% of clients appreciated their commitment and quality of work, with 50% highlighting quick issue resolution and professional communication. Project management could be slightly improved, but overall satisfaction with their services is evident.
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UndisclosedUndisclosed250 - 999Fort Wayne, IN
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See all 42 projectsCODECLOUDS is a web development company highly regarded for its expertise in custom website development, web application development, and full-stack web development. Reviews indicate 89% positive feedback, highlighting their exceptional project management, communication skills, and ability to deliver timely, high-quality results. Clients appreciate their responsiveness and technical proficiency, though one review noted a significant project failure.
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$5,000+$100 - $149 / hr2 - 9
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See all 4 projectsGreatives Web is a distinguished web development company known for its expertise in website development, web design, and custom website development. They consistently deliver high-quality, responsive, and custom web solutions, with 100% of reviewers highlighting their exceptional project management and timely delivery. Their commitment to customer success and excellence in execution is a recurring theme, leaving no areas for improvement mentioned.
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$25,000+$100 - $149 / hr2 - 9London, England
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See all 6 projectsPowered by Coffee is a web development company specializing in custom website development, WordPress services, and full-stack web development. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their professionalism, on-time delivery, and effective project management. Clients appreciate their technical expertise, integrity, and ability to provide actionable advice, enhancing both website performance and user experience.
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$25,000+$50 - $99 / hr10 - 49Pasadena, CA
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See all 5 projectsCT Software Solutions is a software development company specializing in custom web and mobile app development using methodologies like Agile. The company is highly regarded for its efficient communication, rapid delivery, and cost-effective solutions, with 100% of reviewers praising their competitive pricing and timely execution. Remarkably, every client reported satisfaction with the quality and functionality of the delivered platforms.
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$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
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See all 27 projectsWebamboos is a proficient web development company specializing in custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback, with reviewers frequently praising their professionalism, communication, and ability to meet deadlines. Approximately 80% of the reviews highlight their effective project management and successful deliverables, indicating a strong client satisfaction rate.
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$10,000+$150 - $199 / hr10 - 49Miramar Beach, FL
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See all 13 projectsDigitlHaus Agency is a web development company specializing in custom website development, including web design and e-commerce solutions. Reviews indicate a high level of client satisfaction, with approximately 90% of feedback highlighting their professionalism, responsiveness, and effective project management. Clients frequently commend their ability to provide tailored solutions that align with client needs, contributing to enhanced user experiences and improved business outcomes.
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$10,000+$25 - $49 / hr10 - 49
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See all 14 projectsPeppernode is a web development company specializing in full-stack web development and web application development. Reviews consistently highlight their transparent communication, efficient project management, and ability to deliver high-quality solutions on time. Approximately 90% of feedback is positive, with clients praising their balance of speed and quality and their skill in providing custom website development tailored to specific needs.
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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.