Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$100 - $149 / hr2 - 9New York, NY
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See all 12 projectsAgency atQuo is a distinguished web development company specializing in Website Development, Custom Website Development, and Web Application Development. With 100% of reviews highlighting their exceptional communication, on-time delivery, and solutions-oriented approach, clients consistently praise their professionalism and ability to exceed expectations, resulting in highly functional and user-friendly websites.
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$1,000+$50 - $99 / hr10 - 49Austin, TX
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See all 31 projectsUwindi is a web development company excelling in custom website development, web application development, and full-stack web development. With a strong emphasis on delivering user-friendly and scalable solutions, they maintain a 100% positive feedback rate, with reviewers frequently highlighting their adaptability, project management, and creative problem-solving skills. Clients appreciate Uwindi's ability to align with company values and deliver projects that capture brand identity effectively.
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$10,000+$50 - $99 / hr10 - 49Reston, VA
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See all 39 projectsTechnology Rivers is a custom website development company specializing in web application development, UX/UI design, and full-stack web development. The company has received overwhelmingly positive feedback, with over 95% of reviews highlighting their responsiveness, bug-free deliverables, and strong project management. Clients consistently praise their exceptional communication, collaborative approach, and strategic advice in realizing client visions while staying within budget.
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$5,000+$50 - $99 / hr10 - 49
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See all 19 projectsBULL SOFTWARE SRL is a web development company specializing in creating modern, responsive, and user-friendly websites and web applications. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their technical expertise, professionalism, and ability to align with client visions. Clients commend their project management skills, timely delivery, and proactive communication, noting their attention to detail and collaborative approach as key strengths.
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$5,000+$100 - $149 / hr2 - 9Calgary, Canada
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See all 22 projectsTrue Market is a comprehensive web development and design agency, offering services such as custom website development, web application development, and full-stack web development. With a remarkable 100% positive feedback rate, clients consistently praise the company's strategic approach, communication, and ability to deliver exceptional websites that exceed expectations. Notably, 70% of reviewers highlight their impressive project management skills and commitment to understanding client needs.
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$10,000+$100 - $149 / hr10 - 49Atlanta, GA
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See all 14 projects7Factor Software is a web development company specializing in web-based application development and custom website development. The reviews highlight their exceptional flexibility and collaboration, with 100% of feedback being positive, praising their ability to enhance project outcomes. Their expertise in Ruby on Rails and effective project adaptation contributed to increased revenue and customer retention for clients.
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$1,000+$25 - $49 / hr50 - 249Makati, Philippines
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See all 7 projectsGlobal BrainForce is a software development company specializing in custom software and web application development, with a strong focus on staff augmentation services. Reviewers consistently praise the quality and speed of their developers, noting a 100% satisfaction rate with their performance and project management. Clients highlight Global BrainForce's ability to deliver skilled, experienced developers who integrate seamlessly into existing teams.
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$10,000+$100 - $149 / hr10 - 49Sheridan, WY
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See all 5 projectsBighorn Web Solutions is a web development company specializing in custom website development and full-stack web development. They are praised for their adaptability and expertise, with 100% of reviewers highlighting their ability to meet complex requirements and deliver high-quality work. Clients commend their effective communication and seamless project management, resulting in significant improvements in e-commerce functionality and conversion rates.
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$50,000+$100 - $149 / hr2 - 9Gateshead, England
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See all 30 projectsArch is a full-stack web development company specializing in web design, custom website development, and web application development. Their reviews reveal an 80% satisfaction rate, with clients praising their professionalism, proactive communication, and ability to meet deadlines. However, 20% of reviews indicate issues with project execution and technical details. Overall, Arch demonstrates strong project management skills and client focus but may require improvement in design precision and larger project capabilities.
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$1,000+$50 - $99 / hr10 - 49Indianapolis, IN
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See all 9 projectsKurieta LLC is a full-service Web Development and branding agency known for its comprehensive approach to Website Development, including Web Design and Custom Website Development. Reviews from clients consistently highlight their exceptional communication and project management skills, with 100% positive feedback regarding their responsiveness and ability to meet deadlines. Clients also appreciate Kurieta LLC's flexibility and personalized service, referencing their strategic branding recommendations and development expertise.
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$10,000+< $25 / hr50 - 249Jakarta, Indonesia
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See all 10 projectsDOT Indonesia is a web development company specializing in custom website development and web application development. The reviews reflect a 100% positive sentiment, highlighting their eagerness to learn and adapt, and their effective project management. Approximately 50% of reviewers appreciated their commitment to delivering projects on time and within budget.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 8 projectsAvology Technologies PVT LTD is a versatile web development company specializing in Full-Stack Web Development and Website Maintenance. The feedback is overwhelmingly positive, with 100% of reviewers praising their flexibility, technical skills, and reliability in delivering projects on time. Some feedback suggests improvement in communication regarding development queries.
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$10,000+$25 - $49 / hr10 - 49Leidschendam, Netherlands
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See all 15 projectsGain Impact is a full-stack web development company specializing in custom website development and web application development. Across their reviews, 100% of clients praised their proactive approach, with 80% highlighting their innovative problem-solving and client collaboration. The company consistently delivers on time, ensuring high customer satisfaction by combining technical excellence with responsive project management.
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$1,000+$50 - $99 / hr10 - 49
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See all 18 projectsBeejern is a web development company specializing in full-stack web development and AI integration, consistently delivering high-quality, scalable platforms. Their reviews are overwhelmingly positive, with 92% user satisfaction in UX/UI design and a notable reduction in manual tasks by 60%. Clients commend their technical expertise, proactive problem-solving, and effective project management, describing Beejern as an extension of their own team.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 10 projectsSOTechnology is a versatile web development company specializing in custom website development, including Web Design and Full-Stack Web Development. With overwhelmingly positive feedback, 100% of reviewers praise their technical expertise and proactive project management. Clients frequently commend their ability to deliver projects on time and their commitment to understanding and aligning with business goals, making them a reliable partner for online development projects.
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$1,000+$100 - $149 / hr10 - 49Phoenix, AZ
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See all 12 projectsSigna Marketing is a full-service web development and SEO agency known for its expertise in creating custom website solutions and implementing strong SEO strategies. The company receives overwhelmingly positive feedback, with over 90% of reviewers praising their communication, professionalism, and timely project delivery. Clients consistently highlight their ability to transform ideas into functional and attractive web solutions while emphasizing their helpful, client-oriented approach.
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$10,000+$100 - $149 / hr2 - 9Berlin, Germany
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See all 3 projectsOvernice is a web development company specializing in custom website development and web design. They received 100% positive feedback for delivering high-quality projects on time and within budget. Reviewers consistently highlight their detail-oriented approach and exceptional project management skills.
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$5,000+$100 - $149 / hr2 - 9Vancouver, WA
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See all 7 projectsS'more Brands is a comprehensive web development and brand strategy firm known for its brand-first approach to web design and development, excelling in Custom Website Development and Front-End Development. Reviewers highlight the firm's effectiveness in creating user-friendly websites and strong brand strategies, with 100% of feedback noting positive outcomes and professional project management. A slight challenge was the complexity of maintaining the CMS.
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$10,000+$100 - $149 / hr10 - 49London, England
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See all 5 projectsArtistsweb is a distinguished web development company specializing in web design, custom website development, and full-stack web development. With a 100% positive feedback rate, clients highly commend their professionalism, creativity, and ability to deliver visually stunning and functional websites. Most reviews (75%) highlight their effective communication and commitment to delivering projects on time.
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$1,000+$25 - $49 / hr10 - 49Houston, TX
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See all 7 projectsGrowPixel LLC is a website development company specializing in modern and responsive web design, as highlighted by positive feedback from 100% of reviewers. Clients commend GrowPixel for their attention to detail, professional project management, and ability to enhance online presence, resulting in increased customer engagement and inquiries. The company consistently delivers on time, aligning projects with client branding and business goals.
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$10,000+$50 - $99 / hr10 - 49Tullamore, Ireland
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See all 22 projectsAppify is a web and app development company specializing in Custom Website Development and mobile app solutions. The company received overwhelmingly positive feedback, with 100% of reviewers praising their expertise, timely delivery, and personalized project management. A notable 75% of reviews highlighted the CEO's direct involvement, contributing to their outstanding client service and successful project execution.
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$5,000+$150 - $199 / hr10 - 49Cheswick, PA
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See all 10 projectsHigglo Digital is a full-service web development and SEO agency, specializing in custom website development and online growth strategies. They consistently receive high praise for their responsiveness and commitment to client success, with over 90% of reviews highlighting their exceptional project management and personalized approach. Clients commend their expertise in SEO and website functionality, resulting in significant traffic and sales improvements.
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$10,000+$50 - $99 / hr10 - 49Skopje, North Macedonia
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See all 5 projectsCodeart is a distinguished web development company offering services such as custom website development, full-stack web development, and web design. With a 100% positive feedback rate, Codeart is lauded for its exceptional project management, technical expertise, and creative design capabilities, resulting in high client satisfaction and successful project outcomes. Many reviewers (at least 80%) highlight their professionalism, timely delivery, and ability to exceed expectations through innovative solutions.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 7 projectsUltivic Pvt Ltd is a distinguished web development company known for its expertise in custom software solutions, web and mobile app development, and backend architecture. Across 100% of reviews, clients praise their technical excellence, seamless project management, and ability to deliver intuitive, high-quality products. The company is lauded for its ability to adapt to client needs, maintain transparent communication, and consistently exceed expectations.
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$10,000+$100 - $149 / hr2 - 9San Francisco, CA
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See all 21 projectsPrompt Digital is a web development company specializing in custom website development, front-end and back-end development, and full-stack web development. Their reviews highlight a 100% positive feedback rate, emphasizing their exceptional project management and ability to deliver aesthetic, high-performance digital solutions. Clients particularly praise their responsiveness and ability to translate complex B2B technology into user-friendly interfaces.
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$1,000+$25 - $49 / hr10 - 49Greater Noida, India
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See all 29 projectsUpCodo Digital is a web development company specializing in custom website and web application development, offering services including Web Programming and Full-Stack Web Development. The company has received overwhelmingly positive feedback, with numerous clients praising their responsiveness, effective project management, and the ability to deliver high-value solutions on time. Over 90% of reviews highlight their excellent communication and flexibility in addressing client needs.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 5 projectsMeant4.com is a web development company specializing in custom website development and web application development. With a 100% positive feedback rate, clients praise their commitment, agility, and excellent project management skills. Reviewers consistently highlight Meant4.com's ability to deliver scalable solutions and adapt to evolving project needs efficiently.
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$10,000+$50 - $99 / hr50 - 249Mumbai, India
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See all 3 projects3 Minds is a web development company specializing in modernizing web infrastructures and enhancing user interfaces. With successful outcomes such as improved performance, a 30% reduction in booking steps, and enhanced SEO, their project management and unique UI/UX design skills receive praise. Approximately 90% of feedback highlights their ability to deliver a fresh and responsive online platform.
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$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 8 projectsCIGen is a software development company renowned for offering high-quality services in software engineering, mobile app development, and data management solutions. They consistently receive positive feedback, with 100% of reviewers highlighting their deep expertise, commitment to project success, and alignment with client values. Clients appreciate CIGen’s skilled team, proactive communication, and ability to meet deadlines, making them a reliable partner for complex projects.
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$5,000+$50 - $99 / hr10 - 49Richmond, Australia
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See all 12 projectsEcompapi Digital Agency specializes in Website Development and SEO, offering services such as full-scale website redevelopment, SEO optimization, and digital marketing. Across reviews, clients consistently praise Ecompapi for their responsiveness, project management, and ability to enhance traffic and lead generation. Notably, 100% of reviewers report satisfaction, with increased online engagement and brand awareness frequently highlighted.
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$10,000+$100 - $149 / hr2 - 9New York, NY
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See all 22 projectsTorii Studio is a web development company renowned for its expertise in full-stack web development, web design, and web application development. The company consistently receives positive feedback, with 86% of reviewers highlighting their high technical competence and project management capabilities. Clients appreciate Torii Studio's ability to deliver polished, scalable solutions on time, with 52% noting their impressive blend of design sensitivity and engineering excellence.
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$5,000+$25 - $49 / hr250 - 999Cardiff, Wales
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See all 9 projectsDigiMantra is a web development company specializing in Website Development, Full-Stack Web Development, and UX design. Across their reviews, they consistently receive positive feedback, with clients praising their seamless integration of back-end functionality and front-end design, exceptional project management, and adherence to deadlines. Approximately 100% of reviewers commend their adaptability, communication, and commitment to delivering high-quality, user-friendly platforms.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 13 projectsMetaCTO is a versatile web development company with a strong focus on custom website development, full-stack web development, and web application development. The company consistently receives high praise, with 100% of reviews highlighting their exceptional project management, responsiveness, and ability to deliver complex projects on time. Clients commend MetaCTO for their innovative web design and programming solutions, seamless integration capabilities, and the ability to enhance user experience effectively.
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$25,000+$50 - $99 / hr50 - 249Budva, Montenegro
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See all 5 projectsByteminds is a web development company specializing in full-stack and custom website development, demonstrating expertise in both front-end and back-end projects. Reviews reveal a high satisfaction rate, with clients praising their strategic thinking, timely delivery, and effective communication. Approximately 90% of feedback highlights their user-friendly solutions and successful project management, underscoring their ability to transform complex ideas into functional platforms.
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$25,000+$25 - $49 / hr50 - 249București, Romania
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See all 14 projectsIT Teams is a software development company that specializes in Web Development and testing services, delivering high-quality products for cloud-based IoT platforms. Their reviews emphasize a 100% positive feedback rate, highlighting their exceptional responsiveness and dedication to customer satisfaction. The team effectively scaled the platform to over 10 software products, demonstrating flexibility and strong project management skills.
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$5,000+$50 - $99 / hr2 - 9
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See all 7 projectsScaleMeUp is a full-stack web development company specializing in custom website and web application development. They have consistently received positive feedback, with reviewers praising their on-time delivery, effective project management, and strong communication skills. Approximately 100% of reviewers commend their efficiency and attention to detail, resulting in increased traffic, improved conversion rates, and enhanced online presence for clients.
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$10,000+$25 - $49 / hr10 - 49Banská Bystrica, Slovakia
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See all 8 projectsDigital Solutions Studio is a web development company specializing in full-stack web development, web design, and custom website development. With high ratings and a motivated team, 100% of their reviews highlight their strong project management skills and responsiveness. Clients consistently praise their excellent communication and ability to deliver on time, making them a reliable choice for web programming and web application development.
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$25,000+$150 - $199 / hr10 - 49McMinnville, OR
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See all 20 projectsBuildable Custom Software is a full-stack web development company specializing in custom website development and web application development. Overall, their reviews are overwhelmingly positive, with clients praising their project management and technical expertise. Notably, 100% of reviewers commend their responsiveness and ability to exceed project expectations, highlighting their proficiency in both front-end and back-end development.
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$10,000+$25 - $49 / hr10 - 49Medellín, Colombia
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See all 9 projectsCodeBranch is a web development company that excels in web programming and full-stack web development. Their reviews highlight a 100% positive feedback rate, emphasizing their effective project management and timely delivery. Clients particularly value their experienced team and attentive support, with no noted areas for improvement.
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$50,000+Undisclosed10 - 49Columbia, TN
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See all 4 projectsPilot West Studios is a software development company recognized for its expertise in creating custom applications and software solutions. The reviews reflect a 100% positive feedback rate, highlighting attributes like timely delivery, effective communication, and a strong alignment with client business goals. Many clients (at least 67%) commend their personal touch and stateside team, and their ability to provide clear business value through technical work is frequently noted.
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$5,000+$50 - $99 / hr10 - 49Beverly Hills, CA
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See all 30 projectsAnkord Media is a web development company specializing in website development, design, and online development solutions. They consistently receive positive feedback for their creativity, technical skill, and ability to deliver user-friendly, responsive websites. With 100% of reviews mentioning on-time delivery and excellent project management, their work enhances client engagement and satisfaction.
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$5,000+< $25 / hr50 - 249Jaipur, India
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See all 15 projectsDeorwine Infotech is a comprehensive web development and mobile app company offering services such as Web Development, UI/UX Design, and API Integration. The majority of reviews (approximately 90%) highlight their exceptional project management and innovation, praising their professionalism and responsiveness. Clients commend their ability to deliver scalable, user-friendly digital solutions, with an average client growth of 3-4 times post-collaboration.
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$1,000+$100 - $149 / hr2 - 9Hudson, MA
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See all 18 projectsRootless Agency is a full-stack web development company specializing in website development, design, branding, and SEO services. They consistently receive positive feedback, with 100% of reviewers praising their professionalism, creativity, and responsiveness. Clients highlight the agency's ability to align with brand visions, meet deadlines, and deliver customized solutions, making them a reliable choice for businesses seeking comprehensive digital development.
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$5,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 15 projectsZarego is a full-stack web development company specializing in custom website and web application development. With a 100% positive feedback rate, reviewers consistently praise their proactive project management, timely deliveries, and innovative solutions. Clients commend their fast response times and alignment with project needs, highlighting their effective communication and ability to exceed expectations.
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$5,000+$50 - $99 / hr10 - 49Leicester , England
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See all 11 projectsBulb Studios is a highly regarded web development company specializing in web design, custom website development, and web application development. They have consistently received positive feedback for their expertise, project management skills, and collaborative approach, with 100% of reviewers praising their communication and timely delivery of projects. Clients appreciate their ability to maintain and enhance SEO presence and their commitment to understanding and solving client-specific challenges.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 29 projectsVolpis is a full-stack web development company that excels in creating custom web applications, as evidenced by their project with Seaport Resort & Marina. Their client praised the seamless, user-friendly design and effective project management. With 100% positive feedback, Volpis stands out for their prompt communication and deep understanding of web development technologies.
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$10,000+$25 - $49 / hr50 - 249Houston, TX
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See all 23 projectsFuturByte is a web development company offering comprehensive services including Website Development, Web Design, and Web Application Development. With a strong emphasis on customer experience and cost-effective solutions, 67% of reviews highlight their proactive approach and responsiveness, while one review notes an area for improvement in time management. Overall, clients commend their pricing and dedication to meeting project specifications.
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$10,000+$25 - $49 / hr10 - 49Rajkot, India
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See all 6 projectsArccus Inc. is a distinguished Web Development company noted for its Full-Stack Web Development and Web Application Development services. Reviewers consistently praised their responsive communication and on-time delivery, citing improvements in operational efficiency and impressive project outcomes, such as the 75% increase in website traffic for a consulting firm. Nearly all feedback (100%) highlighted their robust project management and alignment with client values.
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$50,000+$150 - $199 / hr50 - 249Walnut Creek, CA
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See all 14 projectsMira Commerce is a web development company specializing in e-commerce solutions, including website design, development, and order management systems. With 90% of reviewers highlighting their strong project management and responsiveness, clients commend their ability to improve site performance and conversion rates. While one review noted post-launch issues, the majority appreciate Mira Commerce's technical expertise and dedication to understanding business needs.
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$10,000+$150 - $199 / hr10 - 49London, England
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See all 5 projectsStudiomade is a web development company specializing in custom website development and design. Reviews highlight their exemplary project management, with 100% timely delivery and effective communication. Approximately 50% of reviewers praised their alignment with client values and budget. Clients reported enhanced usability, improved content management, and positive stakeholder feedback as key outcomes of their projects.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.