Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 91 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development and engineering service provider specializing in full-stack web development and custom website development. The company consistently receives positive feedback, with approximately 95% of reviews highlighting their high-quality developers and management excellence. Clients frequently commend their project management skills and responsiveness, making them a reliable partner for complex web programming and online development projects.
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$10,000+$100 - $149 / hr2 - 9Burlington, Canada
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See all 9 projectsNextide is a web development company specializing in Drupal CMS, offering custom website development and web application development services. They consistently receive positive feedback, with approximately 90% of reviews highlighting their expertise, collaborative approach, and dependable performance. Clients commend their project management, responsiveness, and ability to deliver tailored solutions on time and within budget, making them a reliable partner for ongoing development and complex projects.
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$25,000+Undisclosed2 - 9Bend, OR
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See all 4 projectsTurn Agency is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. Reviews indicate a 100% positive feedback on their expertise, with clients praising their technical acumen, consistent project management, and high-quality deliverables. Approximately 50% of reviewers appreciate their personalized communication and development experience.
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$10,000+< $25 / hr50 - 249
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See all 3 projectsCrazy Imagine Software LLC is a web development company specializing in full-stack web development, SaaS solutions, and custom digital solutions. The company receives overwhelmingly positive feedback for its timely project delivery, seamless team integration, and adaptability, with 100% of reviewers praising their communication and technical versatility. Reviewers highlight their efficient collaboration, commitment to continuous improvement, and their role in enhancing client scalability and innovation.
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$1,000+$25 - $49 / hr10 - 49Tel Aviv-Yafo, Israel
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See all 60 projectsLEVIEV'S is a web development company specializing in custom website development, web design, and full-stack web development. Across multiple reviews, clients commend their ability to enhance website functionality and design while maintaining strong communication and delivering on time. With 100% positive feedback, clients often highlight their commitment to understanding client needs and creating solutions tailored to specific industries.
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$5,000+$150 - $199 / hr10 - 49Virginia Beach, VA
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See all 3 projectsBryant Digital is a comprehensive web development and marketing agency known for its expertise in website development, branding, and digital marketing strategies. Reviews highlight their ability to serve as an extension of clients’ teams, delivering coordinated and performance-focused solutions. With 100% positive feedback, clients appreciate their strategic approach, responsiveness, and capability to drive measurable business growth.
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$25,000+$50 - $99 / hr10 - 49Envigado, Colombia
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See all 8 projectsSancrisoft is a web development company specializing in Custom Website Development and Full-Stack Web Development. With 100% positive feedback, clients commend their dependability, responsive project management, and fair pricing. Notably, 50% of reviewers highlight their ability to meet deadlines and their open, collaborative approach to problem-solving.
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$25,000+$200 - $300 / hr2 - 9Toronto, Canada
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See all 9 projectsTennis is a proficient web development company specializing in customized web solutions, including full-stack web development and web application development. The company consistently delivers high-quality results, with 100% of reviews praising their professionalism, responsiveness, and technical expertise. Approximately 80% of reviewers highlight Tennis's ability to work effectively under tight timelines, ensuring successful project outcomes.
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$5,000+$25 - $49 / hr2 - 9Randburg, South Africa
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See all 9 projectsAgile Routes is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. They've consistently received positive feedback for their technical expertise, responsiveness, and collaboration. Notably, 100% of reviewers praised their project management and ability to deliver scalable solutions. Their work resulted in significant improvements in user engagement and performance, earning a reputation as a reliable partner for complex web projects.
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$10,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 16 projectsShift8 Web is a web development company specializing in custom website development with a strong focus on SEO, performance, and long-term scalability. Reviews indicate a 100% positive feedback rate, highlighting their expertise in full-stack web development and project management. Clients appreciate their consultative partnership, proactive problem-solving, and ability to seamlessly integrate marketing and technical goals.
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$1,000+$50 - $99 / hr250 - 999Newark, DE
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See all 14 projectsSynoviq is a versatile technology company specializing in AI platform development, e-commerce solutions, and custom ERP systems. With a track record of delivering significant improvements, such as a 2200% sales increase and a 30% boost in inventory accuracy, Synoviq is praised for its technical expertise, project management, and customer-focused approach. While feedback is overwhelmingly positive, a minor suggestion is to enhance documentation practices.
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$10,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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See all 21 projectsAcademy Smart is a versatile web development company specializing in Front-End Development, Back-End Development, and Full-Stack Web Development services. Across multiple projects, clients praised their strong communication, timely delivery, and ability to adapt solutions to meet specific needs, with 100% of reviewers highlighting their efficient project management and collaborative approach. Their focus on customization and user-friendly design consistently impresses.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 8 projectsOrbilon Technologies is a full-stack web development company specializing in custom website development, web application development, and web programming. The firm consistently receives high praise for its proactive project management and technical prowess, with 100% of reviewers highlighting their timely delivery and excellent communication. Most clients commend their ability to handle complex projects efficiently and adapt to new technologies seamlessly.
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$1,000+$200 - $300 / hr2 - 9Farmington, MO
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See all 5 projectsElement 99 Marketing is a web development company specializing in Website Development, Web Design, and Custom Website Development. Reviews highlight their exceptional project management and personalized communication, with 100% positive feedback emphasizing their prompt, attentive service and ability to meet client needs effectively. Their high ratings and value for cost make them a preferred choice for web development projects.
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UndisclosedUndisclosed50 - 249Pune, India
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See all 14 projectsI Knowledge Factory Pvt. Ltd. is a web development company offering comprehensive services including custom website development, web design, and SEO. The reviews highlight their strong project management, technical expertise, and proactive support, with around 90% of feedback being positive. Approximately 80% of reviewers mention improved website performance and user experience, emphasizing their reliable and professional approach to delivering client projects.
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UndisclosedUndisclosed10 - 49Ahmedabad, India
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See all 13 projectsSaeculum Solutions Pvt Ltd is a versatile web development company specializing in custom website development with expertise in both front-end and back-end development. Across reviews, 100% of clients commend their professionalism, timely delivery, and excellent communication. Clients frequently mention their impressive project management skills and adaptability, with approximately 70% noting the founder’s active involvement and the team’s responsiveness to feedback.
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$10,000+$25 - $49 / hr50 - 249Sofia, Bulgaria
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See all 14 projectsBinerals is a proficient web development company known for delivering comprehensive solutions, including custom website development, web application development, and full-stack web development. Reviews indicate that approximately 85% of clients appreciate their dedication, communication, and project management skills, with clients highlighting their ability to propose innovative solutions and meet specific needs efficiently. Their expertise spans various industries, and their services are often praised for flexibility and cost-effectiveness.
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$5,000+$25 - $49 / hr250 - 999Kochi, India
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See all 7 projectsCitrus Informatics is a web development company specializing in custom website development and e-commerce solutions. With a focus on end-to-end website development and SEO optimization, they have been praised for their punctuality, responsiveness, and partnership mindset. Their work has resulted in a 3× increase in online engagement, receiving predominantly positive feedback.
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$25,000+$25 - $49 / hr50 - 249Surat, India
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See all 9 projectsCodewinglet Private Limited is a web development company known for its expertise in Custom Website Development, Full-Stack Web Development, and Web Application Development. Reviews highlight their efficient project management, timely delivery, and strong technical skills, with 100% of the feedback being positive and emphasizing their ability to adapt and communicate clearly. Their proactive problem-solving and UX improvements are particularly praised.
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$10,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 7 projectsThespian is a web development company specializing in comprehensive web application development, including front-end and back-end services. Across reviews, their professionalism, timely delivery, and effective communication are praised, with 100% of reviews noting their strong cultural fit and alignment with company values. Clients appreciate their expertise in full-stack web development and their ability to maintain long-term partnerships.
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$25,000+$50 - $99 / hr2 - 9Belfast, Northern Ireland
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See all 8 projectsNigma Software is a web development company specializing in Custom Website Development and Full-Stack Web Development. They received overwhelmingly positive feedback, with 100% of reviewers praising their thorough approach and strong project management, resulting in improved platform stability and performance. Clients appreciate their clear communication and responsiveness, noting their proactive collaboration and alignment with project priorities.
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$1,000+$25 - $49 / hr2 - 9Kolkata, India
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See all 4 projectsContent Spotlight is a digital strategy and SEO company known for its creativity, responsiveness, and effective writing practices. They excel in page indexing and search engine ranking improvements, with 100% of reviews highlighting successful project outcomes. Reviewers frequently commend their productivity and proactive communication, with no suggestions for improvement noted.
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$50,000+$50 - $99 / hr50 - 249Utrecht, Netherlands
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See all 11 projectsSunbytes is a web development company offering comprehensive services, including full-stack web development, web application development, and project management. The company is praised for its efficiency, reliability, and exceptional communication skills, with 100% positive feedback from clients. Notably, 66% of reviewers highlighted their alignment with company values and culture.
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$25,000+$25 - $49 / hr50 - 249London, England
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See all 4 projectsIntegrella is a technology consulting firm specializing in platform development, data migration, and IT infrastructure improvement. The company is consistently praised for its seamless integration with clients' internal teams, technical expertise, and collaborative approach. Approximately 100% of reviews highlight positive outcomes, emphasizing their professionalism, cultural alignment, and effective project management. Clients appreciate their ability to adapt quickly to changing needs and maintain strong communication throughout projects.
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$10,000+$25 - $49 / hr10 - 49Dublin, Ireland
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See all 28 projectsSquare Root Solutions is a full-stack web and mobile development company specializing in custom web application development and mobile app solutions. Across reviews, they are praised for their responsive project management, creative problem-solving, and ability to deliver scalable and user-friendly solutions. With a 100% positive feedback rate, clients highlight their strategic input and seamless execution aligning with project goals and timelines.
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$10,000+$50 - $99 / hr10 - 49Prague, Czech Republic
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See all 3 projectsnextap solutions s.r.o. is a versatile company specializing in mobile app and web application development with a strong focus on custom solutions. They have been praised for their commitment to client satisfaction, high development velocity, and effective project management. Notably, 100% of reviews describe them as a reliable partner, with clients highlighting their excellent communication and ability to meet project goals efficiently.
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$5,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 9 projectsTec Solutions is a web development company specializing in custom website development and web application development. Approximately 80% of feedback highlights their professionalism, with clients praising their ability to manage projects effectively and deliver user-friendly designs. Some reviews, about 20%, mention room for improvement in delivery times. Overall, Tec Solutions is recognized for their technical expertise and adaptability to client needs.
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$10,000+$50 - $99 / hr2 - 9Colorado Springs, CO
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See all 9 projectsBlack Jack Productions, LLC is a web development company specializing in custom website development and web design services. Their reviews indicate a 100% positive feedback rate, highlighting their professionalism, promptness, and excellent project management. Notably, 100% of reviewers commend the team’s responsiveness and ability to deliver impressive and functional website updates.
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$1,000+< $25 / hr50 - 249Kolkata, India
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See all 10 projectsDelostyle Studio Private Limited is a Website Development company specializing in creating high-quality, custom websites. Their reviews highlight a 100% positive feedback rate, emphasizing their flexibility, responsiveness, and creativity in project management. Clients appreciate the company's efficient execution and alignment with client values, with no areas for improvement noted.
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$10,000+$25 - $49 / hr50 - 249Bangkok, Thailand
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See all 15 projectsDBot is a web development company specializing in full-stack web development and backend systems. Across reviews, 100% of clients praise their clear communication and timely delivery, with impressive project management and effective coordination. Their services are highly recommended, with no areas noted for improvement.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 8 projectsWeb Mavens specializes in Website Development, Web Design, and Web Programming, offering comprehensive online development services. Clients consistently praise their ability to transform ideas into professional, sleek websites, citing excellent project management, timely delivery, and exceptional responsiveness to client needs. The overall feedback highlights their skill in creating user-friendly and visually appealing websites that meet detailed specifications.
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$5,000+$50 - $99 / hr10 - 49Piła, Poland
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See all 5 projectsWebtom.pl is a web development company offering services such as custom website development, web design, and front-end and back-end development. Reviewers consistently praise their project management, with 100% noting timely delivery and efficient communication. Clients highlight their professionalism, commitment, and ability to align with business goals, with one review emphasizing a 100% successful project outcome. However, 25% of reviews suggest room for improvement in detail orientation.
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$10,000+$50 - $99 / hr50 - 249Mission, KS
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See all 24 projectsSoftDoes is a web development company specializing in custom website development, web application development, and full-stack web development. They have consistently delivered projects on time, with reviews highlighting their ability to integrate AI-assisted functionalities and streamline operational workflows. Notably, 100% of reviewers were impressed by their project management capabilities and responsiveness, while none indicated any areas for improvement.
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$5,000+$50 - $99 / hr10 - 49Sheridan, WY
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See all 14 projectsEcom Luxx is a web development company specializing in custom website development and full-stack web development, with a focus on creating seamless online experiences. The company has received overwhelmingly positive feedback, with reviewers particularly praising their commitment to client success (mentioned by over 80% of reviewers) and excellent communication (noted by nearly 90% of reviews).
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$25,000+$25 - $49 / hr10 - 49London, England
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See all 3 projectsDEVITGROUP LTD is a web development company specializing in custom website development and web application development. The company is praised for its strong project management and communication skills, with all reviews highlighting their ability to deliver on time and within budget. Approximately 100% of reviewers commend their responsive and efficient service, noting their practical solutions and alignment with client values.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
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See all 8 projects303 Software, a web development company, specializes in custom website development and full-stack web development services. Overall, 100% of the feedback is positive, highlighting their strong technical expertise, meticulous attention to detail, and dependable project management. Approximately 50% of the reviews emphasize their alignment with client values and proactive communication, contributing to successful project outcomes.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 12 projectsTechKopra Solutions is a web development company specializing in custom website development, full-stack web development, and web application development. The reviews highlight their exceptional project management skills, responsiveness, and technical expertise, with 100% of reviewers noting satisfaction with their services. Clients appreciate their ability to deliver complex projects on time and within budget, though some suggest room for more creative input.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 21 projectsKrishang Technolab is a proficient web development company specializing in custom website development and full-stack web development. The company consistently receives positive feedback, with 100% of reviews praising their efficient project management and excellent communication. Clients are impressed by their ability to deliver projects on time and handle complex technical tasks, establishing Krishang Technolab as a reliable partner for online development needs.
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$5,000+$100 - $149 / hr2 - 9
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See all 4 projects628 Studio is a web development company specializing in website design, development, and branding. They have consistently delivered successful projects, with approximately 100% of reviewers praising their project management, flexibility, and clear communication. Clients commend their ability to enhance user experience, improve website traffic, and generate quality leads, indicating a strong proficiency in both front-end development and digital marketing strategies.
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$10,000+$50 - $99 / hr50 - 249Utrecht, Netherlands
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See all 11 projectsBugloos is a full-stack web development company noted for its exceptional custom website development, web application development, and seamless integration capabilities. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness, strategic thinking, and ability to deliver projects on time. Clients frequently highlight their impressive project management and commitment to understanding and fulfilling client visions.
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$5,000+$25 - $49 / hr10 - 49London, England
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See all 3 projectsHeka Software is a web development company specializing in custom website and web application development, reflecting technical credibility and product quality for industrial clients. Reviews indicate a 100% satisfaction rate, highlighting strong project management, customer-centric solutions, and attention to detail, with minor suggestions for improved end-user documentation.
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$5,000+$50 - $99 / hr2 - 9
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See all 13 projectsCloud Nexus Hub LLC is a web development company specializing in custom website development, web design, and full-stack web development. Clients consistently praised the company's ability to deliver high-quality, scalable, and strategic web solutions, with 100% of reviews highlighting their professionalism and responsive communication. Both projects reviewed noted successful outcomes and adherence to timelines, showcasing their effectiveness and reliability.
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$5,000+$50 - $99 / hr10 - 49Lisboa, Portugal
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See all 9 projectsTechRivo provides comprehensive services in software and web development, including web design and online development. The overall feedback highlights their attention to detail, professionalism, and effective project management. Clients appreciate their technological expertise and the clear communication maintained throughout the project lifecycle.
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$5,000+$100 - $149 / hr10 - 49Columbus, OH
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See all 9 projectsUplancer Agency is a web development company specializing in website development, web design, and digital marketing solutions. Reviews highlight their creativity, responsiveness, and commitment to project timelines, with 100% of reviewers praising their communication and project management. The agency consistently delivers tailored web solutions, as evidenced by successful outcomes like increased engagement and improved lead quality.
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$1,000+Undisclosed10 - 49
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See all 3 projectsREK Marketing and Design is a web development company that excels in creating custom website solutions. They are praised for their effective communication and responsiveness, with 100% positive feedback on their ability to translate client visions into functional, innovative websites. Clients specifically commend their capacity to deliver projects that exceed expectations.
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$5,000+$50 - $99 / hr2 - 9New York, NY
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See all 26 projectsIcebreaker Agency, a comprehensive web development firm, is renowned for its proficiency in website design, online development, and custom website development. With over 90% of reviews highlighting their exceptional project management and responsiveness, they consistently deliver projects on time while maintaining high client satisfaction. Their ability to adapt to client needs and provide innovative solutions is frequently praised.
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$1,000+$100 - $149 / hr2 - 9New York, NY
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See all 5 projectsFatLab Web Support is a web development company excelling in custom website development and technical expertise. Approximately 100% of reviewers praise their efficiency, responsiveness, and strong project management skills. Clients appreciate their cultural fit, value for cost, and collaborative approach, with no areas for improvement noted.
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$10,000+$25 - $49 / hr10 - 49Kolkata, India
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See all 17 projectsAQUALEAF IT SOLUTIONS PRIVATE LIMITED is a web development company specializing in services such as web design, front-end and back-end development, and custom website solutions. With 100% positive feedback, their clientele appreciates their technical expertise, responsiveness, and on-time project delivery. Approximately 85% of reviewers highlight their effective project management and adaptability to client needs.
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$10,000+$50 - $99 / hr10 - 49Madrid, Spain
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See all 7 projectsLyra is a full-stack web development company specializing in custom website development and web application development, delivering professional services tailored to clients' needs. Reviews highlight their expertise in backend and frontend development, with 85% of feedback praising their commitment and problem-solving skills. However, some reviews note that maintaining consistent focus and seniority in project phases could enhance outcomes.
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$10,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 16 projectsDigipal is a web development company specializing in custom website development, web application development, and staff augmentation services. They have consistently received positive feedback for their excellent customer service, responsiveness, and adherence to timelines, with 100% of reviewers highlighting their efficiency, professionalism, and alignment with client needs. The company excels in providing high-quality, cost-effective web programming solutions tailored to diverse project requirements.
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$5,000+$100 - $149 / hr2 - 9Clinton Township, MI
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See all 3 projects# The Problem We Solve Many B2B manufacturers struggle with low-intent website traffic and "random acts of marketing" that fail to generate a return on investment. We solve the disconnect between
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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
60% Web Development50% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.7/40.018.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
39.1/40.019.8/20 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 - 249Warszawa, Poland
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.4/40.019.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Web Development50% JavaScript80% 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.1/40.016.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.1/40.018.2/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.3/40.018.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 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 -
$25,000+$50 - $99 / hr10 - 49Wrocław, Poland
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development70% JavaScript60% 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+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.2/40.017.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% 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.