Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 86 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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$10,000+$25 - $49 / hr50 - 249Santo Tomé, Argentina
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See all 19 projectsSerfe is a full-stack web development company specializing in custom website and web application development, including front-end and back-end development, for various industries. With a focus on reliability and technical expertise, they have received overwhelmingly positive feedback, with 100% of reviewers highlighting their communication, project management skills, and timely delivery. Clients appreciate their ability to handle complex projects while maintaining flexibility and responsiveness.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 45 projectsIntegral Vision Ltd. is a web development company specializing in custom website development, with a strong focus on Drupal-based solutions. Their services consistently meet diverse needs, from bilingual websites to complex map applications. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their strategic collaboration, technical expertise, and effective project management. They are also praised for their ability to deliver on time and within budget, ensuring client satisfaction.
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$25,000+$50 - $99 / hr10 - 49Atlanta, GA
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See all 47 projectsDedicated Developers is a full-stack web development company specializing in custom website development, web application development, and mobile app creation. With a 100% positive feedback rate, clients consistently praise their project management, responsiveness, and technical expertise. Notably, 80% of reviews highlight their ability to integrate seamlessly with internal teams, while 90% emphasize their reliability and proactive approach to problem-solving.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 80 projectsElsner Technologies Pvt Ltd is a web development company specializing in website and web application development, with expertise in platforms like Magento and Shopify. The reviews highlight their high responsiveness, knowledgeability, and ability to deliver projects on time and within budget, with 80% of reviewers praising their prompt communication and technical proficiency. However, some suggest improvements in strategic proactivity and communication clarity.
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$50,000+$150 - $199 / hr50 - 249Toronto, Canada
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See all 48 projectsMajor Tom is a web development company specializing in custom website development, web design, and ongoing online development services. The company consistently receives high praise for its professionalism, timely delivery, and effective project management, with 83% of reviews highlighting their responsiveness and excellent communication. Clients frequently commend Major Tom for their ability to align with budgets and provide valuable services, with no significant negative feedback noted.
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$5,000+$50 - $99 / hr10 - 49Łódź, Poland
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See all 43 projectsOsom Studio is a highly rated web development company specializing in custom website development, full-stack web development, and web application development. Across all reviews, 100% of clients commend their technical expertise, communication, and project management skills. Their ability to deliver high-quality, timely solutions garners trust and satisfaction from diverse industries.
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$10,000+$100 - $149 / hr10 - 49Ultimo, Australia
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See all 24 projectsWP Creative is a web development company renowned for delivering comprehensive and high-performing custom website solutions. With a consistent track record in timely project delivery and proactive management, 100% of reviewers commend their technical expertise and responsiveness. Clients particularly appreciate their ability to improve website performance and engagement, underscoring their skill in custom website development and detailed project execution.
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$5,000+$200 - $300 / hr10 - 49Chicago, IL
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See all 19 projectsMarcel Digital is a digital agency specializing in Website Development and online solutions, offering services such as web design, SEO, and 24/7 website support. Their reviews highlight a 100% positive feedback rate, emphasizing exceptional project management, clear communication, and a customer-centric approach. Notably, 80% of clients praised their ability to deliver projects on time and within budget.
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$10,000+$100 - $149 / hr50 - 249Toronto, Canada
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See all 95 projects247 Labs Inc. is a web development company specializing in custom website development, web application development, and full-stack web development solutions. Across client reviews, 247 Labs Inc. has received overwhelmingly positive feedback, with approximately 95% of reviewers highlighting their professionalism, responsiveness, and ability to deliver on time and within budget. Their expertise in web programming and seamless project management are frequently praised, making them a trusted partner in web development projects.
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$10,000+$50 - $99 / hr250 - 999Kraków, Poland
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See all 31 projectsScalo is a web development company providing software and full-stack web development services, with particular expertise in web application development. Their clients appreciate their ability to deliver projects on time and within budget, with 75% positive feedback highlighting their talented team and effective collaboration. However, some reviews suggest room for improvement in technology utilization and code quality.
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$25,000+$100 - $149 / hr50 - 249New York, NY
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See all 93 projectsPerpetual is a web development company specializing in website design, custom web development, and full-stack web development. Reviewers consistently praise Perpetual's ability to deliver projects on time and within budget, highlighting their strong project management and flexibility. Approximately 90% of reviewers commend their creativity and the quality of work, with many clients impressed by their ability to translate complex visions into functional online platforms.
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$10,000+$50 - $99 / hr10 - 49Poznań, Poland
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See all 53 projectsAdchitects is a web development company specializing in custom website development, web design, and SEO services, often utilizing platforms like WordPress and HubSpot. Clients consistently praise the company's effective communication, project management, and creativity. Approximately 90% of reviews highlight their responsiveness and ability to deliver high-quality, aesthetically pleasing websites on time and within budget, with only minor suggestions for improvement regarding in-house talent and design phase duration.
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$10,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 201 projectsDev Technosys is a full-stack web development company offering comprehensive services in website and mobile application development. Approximately 85% of reviews highlight their professionalism, effective communication, and ability to deliver complex projects on time, while 15% note delays. Key themes in feedback include their adept integration of custom features, user-friendly designs, and responsive project management, making them a reliable partner for web application development projects.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 65 projectsSolar Digital is a proficient web development and design company, renowned for creating custom website solutions and enhancing brand identities. The company consistently receives positive feedback, with over 90% commendation for their timely delivery, innovative design approach, and strong project management skills. Clients appreciate their ability to improve business processes and enhance user engagement through Full-Stack Web Development and Web Application Development.
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$25,000+$50 - $99 / hr10 - 49Seattle, WA
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See all 34 projectsBilberrry is a web development company specializing in comprehensive website and web application development, including full-stack web development and custom website development. Reviews highlight their exceptional project management, timely delivery, and ability to integrate client feedback, with 100% of the reviews praising their communication and collaborative approach. Clients particularly appreciate their strategic insight and creativity in web design solutions.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 47 projectsLumitech is a versatile web development company specializing in full-stack development, custom website development, and web application development. With over 90% of feedback emphasizing their exceptional communication, collaborative approach, and adherence to deadlines, Lumitech consistently delivers high-quality solutions tailored to clients' needs. Their ability to integrate seamlessly with clients' teams and maintain strong project management practices is frequently highlighted.
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$10,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 36 projectsRedberry is a versatile web development company excelling in Website Development, Web Design, and Full-Stack Web Development. Their reviews reveal consistent praise for their creative and technical expertise, with 100% positive feedback on project management efficiency and timely deliverables. Clients frequently commend their responsiveness and capability to align digital solutions with business needs, making them a preferred choice for custom website development projects.
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$50,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 29 projectsPieoneers is a web development company excelling in full-stack web development, web design, and web application development, particularly for custom website projects. Their reviews emphasize a strong work ethic, effective project management, and alignment with client values. Across reviews, 100% of clients highlight their responsiveness and ability to meet deadlines, while over 85% commend their technical expertise and adaptability.
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$1,000+$25 - $49 / hr50 - 249Thorold, Canada
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See all 45 projectsComputan is a web development company specializing in custom website development, full-stack web development, and web application development. They have received mostly positive feedback, with 90% of reviewers highlighting their adaptability and ability to meet deadlines. Approximately 80% of reviews praise their technical expertise in platforms like WordPress, HubSpot, and Shopify, while some suggest improvements in communication and project updates.
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$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
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See all 116 projectsTechAhead is a full-stack web and mobile application development company noted for its extensive expertise in custom website development, web programming, and web application development. Reviews indicate that approximately 100% of clients are satisfied with TechAhead’s responsiveness, timely delivery, and proactive project management. Clients particularly appreciate TechAhead’s attention to detail and ability to exceed expectations, as noted by several reviews highlighting their strong communication and commitment to quality.
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$5,000+$50 - $99 / hr10 - 49
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See all 90 projectsRapidDev is a web development company specializing in custom website development, web application development, and full-stack web development. Reviews highlight their strong project management, responsiveness, and ability to understand client needs. RapidDev maintains high customer satisfaction, with around 95% of reviewers emphasizing their adaptability and effective communication. Common areas for improvement include attention to detail and occasional miscommunications.
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$10,000+$100 - $149 / hr10 - 49Sacramento, CA
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See all 40 projectsThree29 is a full-service web development company specializing in custom website development, web design, and web application development. Clients consistently praise their exceptional project management, timely delivery, and responsiveness, with 100% of reviewers highlighting their effective communication and flexibility in accommodating client needs. Their expertise in creating user-friendly, dynamic websites that align with client goals has significantly enhanced online presence and engagement for many businesses.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 45 projectsTechstack company is a full-stack web development firm specializing in custom solutions across various industries, including healthcare, logistics, and AI applications. The reviews highlight a consistent theme of technical excellence, proactive communication, and strong project management, with 100% of reviewers noting the company's ability to deliver projects on time and within budget. Reviewers frequently commend the team's ownership and integration into client processes, emphasizing reliability and a commitment to quality.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 52 projectsRubyroid Labs is a full-stack web development company specializing in custom website development and web application development. Their reviews reflect a remarkable 100% positive feedback, with a strong emphasis on their technical expertise and project management skills. Clients consistently praise their responsiveness, ability to meet deadlines, and seamless integration of customer goals, with 90% highlighting their flexibility and understanding of business needs.
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Undisclosed$50 - $99 / hr1,000 - 9,999Tampa, FL
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See all 31 projectsNIX is a versatile software development company that excels in providing services such as full-stack web development, web application development, and custom website development. The company is highly praised across its reviews, with 100% positive feedback highlighting their technical expertise, effective project management, and exceptional communication skills. Clients frequently commend NIX for their adaptability and strong customer-oriented approach, making them a reliable partner for diverse development needs.
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$10,000+$25 - $49 / hr50 - 249Vilnius, Lithuania
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See all 5 projectsRichBrains is a web development company specializing in front-end development and web design. Their services have been consistently praised, with 100% of reviewers highlighting their ability to deliver projects on time and within budget. RichBrains is particularly noted for their effective communication and adaptability to project needs.
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$5,000+$25 - $49 / hr50 - 249New York, NY
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See all 110 projectsHelpful Insight Private Limited is a versatile web development company specializing in web and application development, web design, and digital solutions. Across numerous reviews, 80% of clients praised their project management, innovation, and commitment to client satisfaction. While minor coding improvements were suggested by a few, the company's ability to deliver high-quality, custom web solutions on schedule is a recurring theme in the feedback.
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$10,000+$25 - $49 / hr250 - 999Stockholm, Sweden
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See all 36 projectsBeetroot AB is a web development company offering services in full-stack web development, front-end development, and web application development, with a notable emphasis on WordPress. Reviewers consistently highlight their exceptional project management, proactive communication, and ability to meet client needs with precision. With nearly universal positive feedback and no significant areas for improvement mentioned, Beetroot AB demonstrates a strong commitment to quality and client satisfaction.
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$25,000+$150 - $199 / hr10 - 49Kelowna, Canada
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See all 14 projectsTwirling Umbrellas is a web development company specializing in custom website development, web design, and digital marketing solutions. Their clients consistently praise their professionalism, clear communication, and ability to deliver projects on time and within budget. Approximately 98% of the reviews highlight their exceptional customer service and expertise in web programming and front-end development, and 95% of clients report increased website engagement post-project completion.
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$1,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 35 projectsThrillX is a web development company specializing in custom website development, web design, and online development services. The company boasts consistent positive feedback, with approximately 90% of reviews highlighting their professionalism, effective project management, and clear communication. Clients frequently commend ThrillX's ability to turn visions into reality, with 80% appreciating their flexibility and collaborative approach in web application development.
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$5,000+$50 - $99 / hr10 - 49Montreal, Canada
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See all 21 projectsWebisoft is a full-stack development company excelling in Web Development and Web Application Development, known for its flexibility and reliable communication. With 100% positive feedback, clients praise their ability to deliver projects on time and their exceptional customer service. Notably, 100% of reviewers highlight their adaptability and impressive support during deployment.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 57 projectsElifTech is a full-stack web development company known for delivering high-quality custom website and web application development services. The reviews indicate that 80% of clients praise their strong communication, adaptability, and dedication to solving complex problems, while 90% of clients are impressed by their project management and ability to meet deadlines. However, initial project scoping and timeline estimation could be improved according to 20% of clients.
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$50,000+$50 - $99 / hr10 - 49Boulder, CO
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See all 27 projectsSwovo is a web development company known for its expertise in custom website development and full-stack web application development. Feedback from clients, predominantly positive, highlights their strong project management and timely delivery, with 100% of reviewers praising their ability to meet deadlines and their comprehensive understanding of client needs. Their proficiency in UI/UX design and agile methodologies is frequently recognized, contributing to successful project outcomes.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 31 projectsVrrb - Web & Product Design Agency is a comprehensive Web Development company specializing in custom Website Development, including Front-End and Back-End Development. Across various reviews, 100% of clients praised their professionalism, efficiency, and attention to detail, with many highlighting their seamless project management and ability to deliver within budget and on time. A significant 85% of reviewers mentioned improved user experience and increased online visibility post-implementation.
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$75,000+$150 - $199 / hr250 - 999Chicago, IL
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See all 21 projectsCodal is a versatile web development company specializing in custom website development, full-stack web development, and web application development across various industries. The reviews reveal a strong emphasis on project management, timely delivery, and expertise in both front-end and back-end development. Approximately 90% of clients commend Codal's ability to handle complex projects and enhance user experience, with minimal negative feedback reported.
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$10,000+$50 - $99 / hr10 - 49Sisak, Croatia
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See all 28 projectsMater Agency is a web development company specializing in full-stack web development and custom website development. Reviews indicate a 100% positive feedback, with clients praising their timely delivery, impressive project management, and flexibility. Approximately 80% of reviewers highlighted their adaptability, while 60% mentioned their effective communication and willingness to accommodate client needs.
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$10,000+$100 - $149 / hr10 - 49Milton, Australia
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See all 11 projectsLabrys is a full-stack web development company specializing in custom website development, web application development, and Web3 solutions. They received overwhelmingly positive feedback, with around 90% of reviews highlighting their professionalism, timely delivery, and technical expertise. Notably, 67% of reviewers praised their engineers' exceptional skills and communication, while 33% appreciated their adaptability and alignment with project goals.
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$1,000+$150 - $199 / hr10 - 49Vancouver, Canada
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See all 4 projectsHop Studios Inc. is a web development company specializing in custom website development, web application development, and ongoing website management. The firm is praised for its responsiveness, strong project management, and commitment to quality. With 100% positive feedback, clients commend the team's communication, timeliness, and ability to deliver tailored solutions, with 100% of reviewers highlighting their exceptional service and professionalism.
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$10,000+$150 - $199 / hr10 - 49Beograd, Serbia
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See all 8 projectsIntellRocket is a full-stack web development company specializing in web design, web application development, and technical SEO. Across their reviews, 100% of clients praised their responsiveness, project management, and ability to deliver on time. Clients highlight their impressive technical skills and effective communication, with multiple reviewers noting their expertise in maintaining or improving Google Page Speed metrics and ensuring mobile optimization.
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$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
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See all 52 projectsArtkai is a web development company renowned for its expertise in custom website development, Web Design, and Web Application Development. Across its reviews, 100% of the feedback is positive, with clients consistently praising Artkai for its exceptional communication, project management, and design-centric approach. Approximately 90% of reviewers highlight their ability to deliver projects on time and within budget, underscoring their reliability and professionalism.
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$50,000+$150 - $199 / hr10 - 49Marlborough, MA
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See all 44 projects3 Media Web is a highly regarded web development company specializing in custom website development, web design, and online development, particularly using WordPress. With an impressive track record, 3 Media Web boasts a 100% positive feedback rate from clients who commend their efficient project management, strong communication, and exceptional service quality. Over 90% of reviewers highlight their ability to deliver high-quality, error-free work quickly while maintaining a client-centric, professional approach.
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$10,000+$100 - $149 / hr10 - 49San Diego, CA
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See all 13 projectsLightspace is a comprehensive web development company specializing in custom website development, web design, and web application development. The company consistently receives positive feedback, with 100% of reviewers expressing satisfaction with their work. Key themes include their impressive project management and design skills, responsiveness, and ability to deliver projects on time and within budget.
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$25,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 22 projectsEffectus Software is a web development company specializing in full-stack web development and custom website development services. Clients consistently praise their effective communication, agile project management, and ability to adapt to changing requirements. With a 100% positive feedback rate from reviews, Effectus Software is commended for their professional collaboration, seamless integration with teams, and delivering projects on time and within expectations.
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$50,000+$50 - $99 / hr50 - 249Seattle, WA
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See all 22 projectsThirstySprout is a Full-Stack Web Development company renowned for its rapid starter turnaround and exceptional developer quality. They specialize in transforming designs into functional interfaces and developing comprehensive backend solutions. Reviews highlight a high satisfaction rate, with 100% of clients praising their communication, adaptability, and the speed at which they assembled skilled teams.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 61 projectsShaligram Infotech is a comprehensive web development company specializing in custom software solutions, full-stack web development, and web application development. The company consistently receives positive feedback, with approximately 90% of reviewers praising their project management, technical expertise, and client-focused approach. Many clients, about 80%, highlight their responsiveness and ability to deliver projects on time and within budget.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 35 projectsTeaCode is a prominent Web Development company delivering a range of services including Front-End, Back-End, and Full-Stack Web Development. The company is highly regarded for its professionalism and proficiency, with 100% of reviews highlighting their reliability and effective project management. Clients appreciate TeaCode's swift problem-solving abilities and their seamless integration with client teams, ensuring timely delivery and high-quality custom solutions.
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$50,000+$100 - $149 / hr50 - 249Newport Beach, CA
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See all 101 projectsSaritasa is a web development company specializing in full-stack web development, custom website development, and web application development. The company's reviews are overwhelmingly positive, with clients praising their project management, technical expertise, and ability to deliver tailored solutions. Approximately 90% of the feedback highlights their professionalism and responsiveness. Saritasa demonstrates strong skills in both front-end and back-end development, ensuring client satisfaction and successful project outcomes.
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$5,000+$25 - $49 / hr250 - 999
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See all 79 projectsGetDevDone is a web development company specializing in custom website development, front-end development, and web application development. The company consistently receives positive feedback, with clients praising their professionalism, responsiveness, and ability to deliver projects on time. Over 90% of reviewers highlight their excellent project management and communication skills.
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$10,000+$100 - $149 / hr10 - 49New York, NY
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See all 43 projectsLounge Lizard is a versatile web development company specializing in website design, development, and digital marketing services. Reviews highlight their top-notch design skills, responsive project management, and ability to deliver creative solutions, with 100% of reviewers noting their professionalism and effective communication. Their expertise in SEO and website optimization is frequently praised, making them a preferred partner across various industries.
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$5,000+$100 - $149 / hr10 - 49Encinitas, CA
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See all 26 projectsCollective42 is a full-stack web development company offering a wide range of services, including website design, development, hosting, and ongoing support. Their clients frequently praise their exceptional communication, responsiveness, and ability to deliver projects on time and within budget. Notably, 100% of the reviews highlight their professionalism and expertise, with many clients mentioning their excellent customer service and effective problem-solving skills.
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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 Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 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
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+< $25 / hr250 - 999Maryborough, Australia
Ability to deliver
37.1/40.017.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
35% Web Development15% 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'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 -
$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 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% 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.