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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$1,000+$100 - $149 / hr10 - 49București, Romania
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See all 21 projectsWPRiders is a full-stack web development company specializing in custom website development and web programming solutions. Their reviews highlight a consistent theme of technical expertise and strong project management skills, with 90% of clients expressing satisfaction with their responsiveness and ability to meet project requirements. WPRiders is praised for their ability to deliver complex web development projects on time and within budget, while also providing strategic insights that align with business objectives.
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$25,000+$150 - $199 / hr2 - 9Washington, DC
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See all 17 projectsNiftic Agency is a versatile company offering web development, web design, and digital branding services. They are particularly praised for their collaborative approach and design aesthetics, consistently delivering projects on time with 100% client satisfaction. Approximately 83% of reviews emphasize their impressive project management and ability to integrate seamlessly with client teams. Additionally, 67% of reviewers commend their ability to handle complex web programming tasks and create unique user experiences.
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$25,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 45 projectsEvaCodes is a distinguished full-stack web development company specializing in Web3 solutions, blockchain integrations, and custom website development. With a remarkable 100% satisfaction rate, clients commend EvaCodes for their quality deliverables, efficient project management, and excellent communication. Approximately 85% of reviews highlight their technical proficiency, timely execution, and ability to exceed expectations, making them a reliable partner for complex web development projects.
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$5,000+$25 - $49 / hr50 - 249Pune, India
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See all 22 projectsWednesday Solutions is a full-stack web development company specializing in custom website and web application development. Across their reviews, 100% of clients praised their timely delivery and strong communication, with over 80% highlighting their impressive problem-solving and architectural skills. Their collaborative approach and commitment to project goals make them a reliable partner, despite occasional challenges with bug recurrences and tech stack explanations.
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$5,000+$50 - $99 / hr10 - 49Birmingham, England
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See all 19 projectsRepublic Marketing is a web development company specializing in custom website development, web design, and online development. Reviews indicate an overwhelmingly positive reception, with 100% of clients commending their project management, attention to detail, and passion for delivering high-quality work. Approximately 57% of reviews specifically highlight their ability to align projects with client values and goals.
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$50,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 14 projectsTherefore is a web development company specializing in custom website development and web application development, with expertise in Drupal and other modern technologies. Reviews indicate consistent satisfaction, highlighting their strong project management skills, commitment to client needs, and technical proficiency, with 100% of feedback being positive. Approximately 50% of reviewers emphasize their ability to integrate seamlessly with client teams, providing exemplary communication and swift problem-solving solutions.
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$10,000+$25 - $49 / hr10 - 49Zymna Voda, Ukraine
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See all 28 projectsBits Orchestra is a web development company specializing in custom website development and full-stack web development, with a focus on platforms like Kentico. The company boasts a 100% success rate in completing projects on time and within budget, as noted by multiple reviewers. Reviewers consistently highlight their technical expertise, reliability, and excellent communication skills, with no negative feedback reported. The company is particularly praised for its ability to understand client needs and offer proactive solutions, making it a valuable partner for web application development.
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$25,000+$25 - $49 / hr10 - 49Bogotá, Colombia
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See all 22 projectsLeanware is a web development company specializing in custom website development, full-stack web development, and web application development. With a 100% positive feedback rate, clients commend their dedication, communication, and effective project management. Reviewers highlight Leanware's ability to exceed expectations and maintain strong client relationships, fueling successful web dev projects across various sectors.
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$25,000+$150 - $199 / hr10 - 49Nashville, TN
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See all 20 projectsTwin Sun is a proficient web development company known for its expertise in custom website and web application development. Their services, which include full-stack web development and front-end and back-end development, receive overwhelmingly positive feedback, with over 90% of reviewers highlighting their exceptional project management and communication skills. Clients frequently commend their transparency, integrity, and capacity to adapt to complex project requirements effectively.
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$10,000+$100 - $149 / hr10 - 49White Rock, Canada
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See all 31 projectsPragmatica is a website development company specializing in web design and full-stack web development services. The company consistently receives positive feedback, with 100% of the reviews highlighting their exceptional project management, timely delivery, and responsiveness. Clients are impressed by Pragmatica's ability to align development projects with organizational missions, with 80% of reviews emphasizing their creativity and attention to detail in custom website development projects.
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$1,000+$25 - $49 / hr10 - 49
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See all 9 projectsRSA Creative Studio is a web development company specializing in custom website development and Webflow services. With a 100% positive feedback rate, clients consistently praise their excellent project management, responsiveness, and ability to deliver high-quality, modern websites efficiently. Reviewers frequently highlight their communication skills and adaptability, with over 85% mentioning these attributes as particularly impressive.
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$10,000+$100 - $149 / hr10 - 49Chicago, IL
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See all 3 projectsBlueshoon, inc is a web development company specializing in custom website development, web programming, and full-stack web development. With a team praised for their authenticity and responsiveness, Blueshoon, inc consistently meets project benchmarks and delivers projects flawlessly. Positive feedback comprises 100% of the reviews, highlighting their exceptional project management and talented team.
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$10,000+$25 - $49 / hr10 - 49Plovdiv, Bulgaria
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See all 7 projectsVoidweb is a web development company recognized for its expertise in Website Development and Custom Website Development. With a high percentage of positive feedback, clients appreciate their seamless integration into teams, proactive mindset, and ability to meet deadlines. However, there is room for improvement in documentation. Approximately 90% of reviewers praised their technical skill and responsive communication.
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$5,000+$25 - $49 / hr10 - 49
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See all 13 projectsEsfera Design is a design consultancy specializing in UI/UX and workflow optimization. They are highly regarded for their flexibility, quality, and cultural fit, with 100% of reviews noting their strong project management and communication skills. Clients appreciate their ability to deliver on time and align with business goals, with 40% of reviews highlighting their impressive turnaround time and responsiveness.
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$5,000+$100 - $149 / hr10 - 49Krk, Croatia
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See all 12 projectsBB Agency is a distinguished Web Development company specializing in Custom Website Development, Web Design, and Full-Stack Web Development. The agency consistently receives positive feedback for their creativity, strategic approach, and exceptional project management. Approximately 95% of reviewers praised their ability to align with business objectives and deliver on time. Clients commend their attention to detail, proactive communication, and seamless integration of design and development processes, with 90% expressing satisfaction with the collaboration and outcomes.
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$75,000+$150 - $199 / hr10 - 49Manhattan Beach, CA
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See all 18 projectsIsadora Agency is a distinguished web development company specializing in custom website development and web design, delivering comprehensive online development solutions. The agency receives overwhelmingly positive feedback, with clients praising their attention to detail, project management, and ability to deliver visually appealing and functional websites. Approximately 100% of reviewers commend their project management skills, while 90% emphasize their innovative design approach. Overall, Isadora Agency is recognized for transforming outdated sites into modern, responsive platforms that significantly enhance user experience and client engagement.
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$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 24 projectsCreative Corner Studio is a web development company specializing in custom website development, web design, and user experience optimization. The reviews demonstrate a remarkable 100% satisfaction rate, with clients consistently highlighting their professionalism, timely delivery, and exceptional technical expertise. Approximately 60% of reviewers praise their ability to enhance user engagement and conversion rates through intuitive design and seamless functionality.
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$10,000+$25 - $49 / hr10 - 49La Plata, Argentina
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See all 17 projectsSINAPTIA is a web development company specializing in Website Development and Full-Stack Web Development using Ruby on Rails. The reviews reveal a high level of satisfaction, with 100% positive feedback emphasizing their flexibility, professionalism, and effective project management. Approximately 60% of reviewers highlight SINAPTIA's ability to adapt to new technologies and their transparent communication, fostering trust and collaboration across various projects.
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$10,000+$100 - $149 / hr10 - 49Tel Aviv-Yafo, Israel
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See all 12 projectsTLVTech is a distinguished web development company specializing in web application development, custom website development, and full-stack web development. The firm is praised for its professionalism, technical expertise, and responsiveness, with 80% of reviewers highlighting on-time delivery and client satisfaction. They are particularly noted for their collaborative approach and ability to deliver high-quality solutions even under challenging circumstances.
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$10,000+$50 - $99 / hr10 - 49Berlin, Germany
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See all 43 projectsThe Weather is a web development company specializing in Custom Website Development and Web Design. They consistently receive positive feedback for their creativity and ability to translate complex concepts into appealing web solutions. Approximately 90% of reviewers highlight their effective project management and responsiveness, while their seamless integration of design and functionality is frequently noted as impressive. Only a small portion of feedback mentions areas for improvement, such as earlier follow-up on domain processes.
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$50,000+$150 - $199 / hr10 - 49Ormond Beach, FL
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See all 6 projectsZaengle is a web development company specializing in custom website development, web application development, and full-stack web development services. Across multiple reviews, Zaengle is praised for their strong project management, timely deliveries, and the integrity and professionalism of their team. With 100% positive feedback, clients commend their ability to integrate seamlessly with internal teams and their commitment to providing value-aligned services.
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$10,000+$25 - $49 / hr50 - 249Sacramento, CA
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See all 16 projectsBluelight is a full-stack web development company specializing in web application development, DevOps engineering, and QA testing. Consistently praised for their robust communication and timely delivery, Bluelight has received overwhelmingly positive feedback, with 100% of reviewers expressing satisfaction with their responsiveness and technical expertise. Clients appreciate their alignment with company values and the excellent value for cost offered.
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$10,000+$50 - $99 / hr50 - 249Austin, TX
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See all 20 projectsRootstack is a full-stack web development company with expertise in web programming, online development, and custom website development. The reviews reflect a 100% positive feedback rate, highlighting their excellent programmers, strong communication, and ability to meet deadlines. Approximately 80% of reviewers praised their project management and adaptability to client needs. The company is particularly commended for its accountability and efficient delivery of services, such as web application development and front-end development.
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$25,000+$25 - $49 / hr50 - 249Alexandria, VA
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See all 55 projectsPlavno is a web development company offering services such as full-stack web development, web application development, and IT staff augmentation. Their clients praise their technical expertise, particularly in React, PHP, and WordPress, and their ability to deliver projects on time. The company has consistently received positive feedback, with 100% of the reviews highlighting their effective project management, responsiveness, and dedication to achieving clients' business goals.
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$5,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 25 projectsW3care Technologies Pvt. Ltd. is a versatile web development company known for offering comprehensive services, including custom website development, web application development, and web programming. With 100% positive feedback, clients consistently praise their prompt communication, effective project management, and ability to deliver projects on time and within budget. Approximately 70% of reviewers highlight their excellent problem-solving skills and commitment to understanding client needs.
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$5,000+< $25 / hr50 - 249Jaipur, India
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See all 27 projectsOwebest Technologies is a full-stack web development company specializing in custom website development, web application development, and backend development. Their reviews reveal a consistent theme of professionalism, timely delivery, and proactive communication, with 100% of reviewers noting satisfaction with project outcomes, including enhanced website speed and security. The company excels in understanding client needs and offers cost-effective solutions, often exceeding client expectations, as reflected in their effective handling of complex projects.
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$10,000+$50 - $99 / hr50 - 249Ząbki, Poland
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See all 42 projectsCogniteq is a web development company excelling in web application and custom website development, offering full-stack capabilities with a focus on both front-end and back-end development. The company consistently receives positive feedback, with approximately 90% of reviews highlighting their professionalism, responsive communication, and timely project delivery. Clients frequently praise Cogniteq's skilled developers and effective project management, establishing them as a reliable partner for online development needs.
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$1,000+$150 - $199 / hr10 - 49Provo, UT
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See all 156 projectsBig Red Jelly is a versatile web development and design company, offering services such as website design, online development, and custom website development. Reviews highlight their exceptional project management and communication, with 100% of clients noting timely delivery and a collaborative approach. Their ability to understand client needs and deliver high-quality outcomes has earned them overwhelmingly positive feedback.
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$10,000+Undisclosed10 - 49San Ramon, CA
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See all 11 projectsMoonstone Interactive is a web development company specializing in custom website development, web design, and full-stack web development services. Their clients praise their professionalism, responsiveness, and ability to deliver high-quality solutions on time. Approximately 100% of reviews highlight their exceptional project management and collaborative approach, with no significant negative feedback mentioned.
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$10,000+$50 - $99 / hr10 - 49Lisle, IL
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See all 10 projectsiTech4Web is a web development company specializing in services such as Drupal migration, WordPress updates, and custom web application development. With an impressive 100% satisfaction rate from clients, they excel in project management, timely delivery, and communication. Notably, 57% of reviewers commend their creative, cost-effective solutions and expert knowledge, particularly in Drupal and DevOps workflows.
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$25,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 24 projectsWindmill Strategy is a web development company specializing in custom website development, web design, and full-stack web development for industrial B2B clients. Reviews indicate strong project management and timely delivery, with 90% of reviewers praising their communication and expertise in SEO and user experience. A notable 80% highlight their technical proficiency and personalized approach, although some suggest refining CTA specificity.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 22 projectsKanhaSoft is a comprehensive Web Development company specializing in custom software and full-stack solutions. They consistently receive positive feedback for their communication, responsiveness, and commitment to delivering high-quality work, with 100% of reviews praising their ability to meet or exceed client expectations. Clients frequently highlight their expertise in Website Development and Web Application Development, as well as their proficiency in handling complex projects using technologies like Python, Django, and React.
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$5,000+$150 - $199 / hr10 - 49Kansas City, MO
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See all 9 projectsVoltage is a web development company specializing in custom website development, web design, and SEO services. The company receives overwhelmingly positive feedback for its client-centric approach, expertise, and timely delivery, with 100% of reviews highlighting satisfaction with their results. They are praised for improving web traffic, generating qualified leads, and effectively translating client visions into successful digital strategies and platforms.
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$50,000+$150 - $199 / hr10 - 49St. Louis, MO
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See all 12 projectsSpry Digital is a full-service web development company specializing in custom website development, web design, and online development. In their reviews, 85% of clients praised their responsiveness and technical expertise. Clients also highlighted their ability to improve user experience and implement complex functionalities. However, some noted the need for clearer initial communication. Overall, Spry Digital is recognized for strong project management and problem-solving skills.
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$25,000+$25 - $49 / hr50 - 249Miami, FL
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See all 29 projectstsukat is a specialized Web Development company known for its expertise in WebGL, VR, AR, and 3D software applications. With a 100% satisfaction rate across reviews, tsukat is praised for its high-quality deliverables, efficient project management, and responsiveness. Approximately 67% of reviewers highlighted their digital competence, while 33% emphasized their exceptional project management skills.
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$5,000+$100 - $149 / hr10 - 49Downers Grove, IL
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See all 16 projectsZealth Digital Marketing is a comprehensive web development company specializing in Website Development, SEO optimization, and web design services. They consistently deliver projects on time, as 100% of reviewers highlight their responsiveness and effective communication. Clients appreciate their technical expertise, attention to detail, and commitment to customer satisfaction, with no reported areas for improvement across reviews.
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$1,000+$25 - $49 / hr10 - 49Lisboa, Portugal
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See all 22 projectsBuzzvel is a web development company specializing in full-stack web development, web design, and custom website development. Across multiple reviews, 100% of clients praised their project management skills, timely delivery, and proactive communication. Notably, over 90% of reviewers highlighted their technical expertise and customer-oriented approach, indicating satisfaction with Buzzvel's ability to exceed expectations and adapt to project needs.
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$1,000+$25 - $49 / hr50 - 249Hanoi, Vietnam
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See all 17 projectsTigren is a web development company specializing in custom website development, particularly on the Magento and Shopify platforms. Reviewers consistently highlight Tigren's technical expertise, punctuality, and efficient project management, with 100% of reviews noting timely delivery and responsiveness to needs. Additionally, Tigren's ability to enhance website performance and customer satisfaction is frequently praised, with improvements in conversion rates and sales growth reported by clients.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 29 projectsSolGuruz is a comprehensive Web Development company specializing in Custom Website Development and Web Application Development. Their services consistently meet and often exceed client expectations, with 100% of the reviews mentioning successful project completions and strong communication. Clients appreciate their proactive problem-solving and flexibility, highlighting their efficient project management and timely delivery of responsive solutions.
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$5,000+$25 - $49 / hr10 - 49Beograd, Serbia
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See all 11 projectsSantos Digital is a full-service web development company, excelling in custom WordPress and Elementor-based website design and development, including front-end and back-end solutions. The company has received overwhelmingly positive feedback, with clients praising their excellent project management, responsiveness, and ability to meet deadlines. Approximately 100% of reviews cited their strong culture fit, technical expertise, and high-quality results, frequently highlighting their ability to understand and elevate brand identities through tailored web solutions.
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$5,000+$25 - $49 / hr50 - 249Dallas, TX
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See all 47 projectsiQlance Solutions LLC is a versatile web development and application development company praised for their expertise in full-stack web development, custom website development, and web application development. Their reviews reflect a high satisfaction rate, with approximately 85% of clients highlighting the team's professionalism, adaptability, and timely delivery. Clients appreciate their ability to transform concepts into functional, scalable digital solutions and their exceptional customer service. The company is commended for its cost-effective services and commitment to client needs, with minor suggestions for improvement in quality assurance and project manager involvement.
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$10,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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See all 9 projectsNeat Digital is a web development company specializing in custom website development, web design, and full-stack web development. Their reviews reflect a high level of satisfaction, with 100% positive feedback. Clients commend their strategic approach, attention to detail, and excellent project management, highlighting their ability to deliver modern, user-friendly, and SEO-optimized websites.
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$25,000+$100 - $149 / hr10 - 49Calgary, Canada
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See all 7 projectsFire Flower Apps is a versatile web development company specializing in custom website development and web application development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, flexibility, and strong project management skills. Clients commend Fire Flower Apps for their ability to modernize websites, enhance user experience, and effectively implement client visions, with 75% noting their adeptness in communication and trend awareness.
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$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 16 projectsStuntCoders is a comprehensive web development company specializing in custom website and web application development. The reviews demonstrate a consistent theme of high-quality work, effective project management, and a strong focus on customer satisfaction. Impressively, 100% of reviewers highlighted their technical and creative proficiency, with many appreciating their ability to balance both aspects seamlessly. Overall, the feedback is overwhelmingly positive, underscoring their professionalism and responsive communication.
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$10,000+$25 - $49 / hr50 - 249Hamilton, Canada
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See all 17 projectsCabot Technology Solutions, Inc is a comprehensive web development company that specializes in full-stack web development, web application development, and custom website development. Their reviews are overwhelmingly positive, with clients highlighting their technical competencies, responsiveness, and ability to deliver on time. Approximately 100% of reviews mention satisfaction with project outcomes, while some indicate a need for improved client expectation management.
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$10,000+$50 - $99 / hr10 - 49Chapel Hill, NC
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See all 11 projectsHyperspace Ventures is a full-stack web development company renowned for its comprehensive web design and development services, including UI/UX and backend development. Their reviews highlight a 100% on-time delivery rate and exceptional project management across diverse projects, with clients praising their professionalism, effective communication, and attention to detail. Approximately 80% of clients commend their ability to meet specific business needs, showcasing their adaptability and commitment to client satisfaction.
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$1,000+$100 - $149 / hr10 - 49Las Vegas, NV
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See all 55 projectsAgency Jet is a comprehensive digital marketing company specializing in SEO and website development services. Clients frequently commend their responsiveness, project management, and client-focused approach, with 91% highlighting their effective communication and project execution. Although one reviewer noted issues with project timelines, the overarching sentiment is positive, with significant improvements in SEO rankings and website traffic reported by 85% of clients.
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$25,000+$50 - $99 / hr10 - 49Labin, Croatia
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See all 32 projectsLloyds digital is a web development company specializing in custom website development, web application development, and full-stack web development. Overall, Lloyds digital has received positive feedback, with over 90% of clients expressing satisfaction, particularly highlighting their agility, responsiveness, and innovative solutions. While some reviews noted minor communication delays, the company is praised for their professional expertise and seamless project management, contributing to enhanced brand presence and improved user engagement.
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$5,000+$25 - $49 / hr50 - 249Chernihiv, Ukraine
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See all 35 projectsChe IT Group is a web development company specializing in Website Development, Web Design, and Custom Website Development. With positive feedback from all clients, they are praised for their excellent project management, timely and professional delivery, and outstanding communication. Approximately 100% of reviewers highlight their responsiveness and quality work, while many emphasize their ability to meet deadlines without compromising on quality.
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$25,000+$100 - $149 / hr2 - 9Brooklyn, NY
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See all 23 projectsTransfuture is a distinguished web development company specializing in custom website development and web design, with a demonstrated proficiency in WordPress and a commitment to enhancing user experience. The company's reviews reflect a 100% positive sentiment, praising their project management, attention to detail, and ability to deliver visually compelling, on-time solutions. Approximately 70% of reviewers highlight their impressive personalized approach and adaptability to various client needs.
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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+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% 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 -
$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 - 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 - $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+< $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.