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 87 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+< $25 / hr10 - 49Mississauga, Canada
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See all 55 projectsTelkoware is a versatile web development company specializing in custom website development and digital marketing solutions. Across numerous reviews, 100% of clients commend their attention to detail and quality of work, resulting in increased online traffic and customer inquiries. Their efficient project management and responsive communication are consistently highlighted, with no significant areas for improvement noted.
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$5,000+$25 - $49 / hr250 - 999Chicago, IL
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See all 22 projectsTechAvidus is a comprehensive web development company offering a range of services, including Custom Website Development and Web Application Development. Overall feedback is 100% positive, with clients praising their flexibility, responsive communication, and high-quality deliverables. Approximately 70% of reviewers highlight their competitive pricing and professional team.
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$5,000+$50 - $99 / hr50 - 249Cherkasy, Ukraine
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See all 5 projectsUAPP is a comprehensive software development company offering services such as business analysis, design, digital marketing, and SEO. They are praised for their personalized approach and strong project management, with 100% of reviewers noting their commitment to quality and effective communication. No negative feedback was reported, highlighting their ability to meet client needs proficiently.
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$10,000+$25 - $49 / hr10 - 49Chandler, AZ
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See all 7 projectsGila Software offers Website Development, Web Design, and Web Programming services. Feedback from clients highlights the company's responsiveness, timely project delivery, and openness to client ideas. A recurring theme across reviews is their effective project management and ability to provide valuable insights through comprehensive dashboards.
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$10,000+$25 - $49 / hr10 - 49Białystok, Poland
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See all 19 projects2N IT is a web development company specializing in custom and full-stack web and application development. Across their reviews, 100% of clients commend their professionalism and project management, emphasizing their proactive and efficient approach. Major themes include excellent communication and the ability to understand and meet client needs, with no significant areas for improvement noted.
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$25,000+$50 - $99 / hr10 - 49Tampa, FL
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See all 8 projectsAxel is a versatile web development company that specializes in web application development, mobile app creation, and custom website development. With a 100% satisfaction rate, reviewers commend Axel for its responsive project management, timely delivery, and innovative solutions. Approximately 80% of reviewers highlight their excellent communication and ability to understand client needs, while 60% emphasize their cost-effectiveness and high-quality results.
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$10,000+$100 - $149 / hr10 - 49Tychy, Poland
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See all 5 projectsTime4 Digital is a proficient web development company specializing in custom website development, front-end development, and CMS configuration. Across reviews, 100% of clients commend their technical expertise, communication, and ability to meet deadlines. Clients appreciate their responsiveness and modern technology use, while noting room for improvement in project management collaboration for even smoother operations.
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$1,000+< $25 / hr50 - 249Jaipur, India
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See all 4 projectsDecipher Zone Technologies Pvt Ltd is a web development company recognized for its expertise in custom website and software development. With 100% positive feedback, reviewers highlight their exceptional customer service, timely communication, and ability to deliver projects on time and within budget. Their work on website development and custom software has improved operations and increased web traffic for clients like Testscenario.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 14 projectsQuintagroup is a web development company specializing in custom website development and web application development, particularly using Plone CMS. The reviews are overwhelmingly positive, with 100% of clients highlighting their expertise, communicative approach, and project management skills. Approximately 50% of reviewers commend their ability to deliver tailored solutions efficiently. Their adaptability and commitment to client satisfaction are consistently praised.
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$50,000+$50 - $99 / hr50 - 249Bengaluru, India
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See all 6 projectsPepper Square Inc. is a web development company specializing in web design, WordPress development, and digital strategy execution. Customers praise their commitment, agility, and design thinking, with 100% positive feedback highlighting seamless project management and improved website performance metrics, including increased user engagement and conversions.
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$50,000+$150 - $199 / hr2 - 9Marina del Rey, CA
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See all 16 projectsWire Media is a web development company specializing in custom website development and web design, with a strong emphasis on user experience and strategic web architecture. The company receives predominantly positive feedback, with clients appreciating their personalized service, efficient project management, and responsiveness to client needs. Approximately 80% of reviewers noted their satisfaction with Wire Media's ability to align with organizational values and deliver on time and within budget.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 7 projectsBarwenock is a proficient Web Development company specializing in Magento, Custom Node, and React development, consistently praised for their high-quality services and technical expertise. With over 90% positive feedback, clients commend their professionalism, reliability, and exceptional project management skills, including the effective use of tools like Jira and Slack for seamless collaboration and communication.
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$10,000+< $25 / hr50 - 249Indore, India
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See all 26 projectsChapter247 Infotech is a web development company specializing in custom web applications, front-end and back-end development, and online development services. Reviewers consistently commend their professionalism, flexibility, and effective communication, with approximately 90% of reviews reflecting positive experiences. Many clients appreciate their ability to manage complex projects and their commitment to delivering quality results on time, with 70% highlighting their dependable project management.
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$10,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 26 projectsZgraya Digital is a web development agency renowned for its exceptional design and development capabilities, particularly in custom website development, web design, and web programming. Across numerous reviews, clients praised the company's professionalism, creativity, and ability to exceed expectations, with over 90% of feedback highlighting effective communication and project management. Clients consistently noted Zgraya's dedication to understanding and realizing their vision, resulting in high-quality, impactful web solutions.
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$5,000+$50 - $99 / hr10 - 49Montréal, Canada
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See all 7 projectsStackfee is a full-stack web development company specializing in custom website development, web application development, and online development. Their clients commend their strong communication, timely delivery, and ability to meet complex needs, with 100% of reviews highlighting their technical proficiency and client-centric approach. Stackfee is noted for their agile development process, allowing iterative feedback and ensuring client satisfaction.
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$25,000+$50 - $99 / hr10 - 49Pune, India
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See all 19 projectsIdyllic Software is a specialized Ruby on Rails development company known for its expertise in Web Development, particularly in Custom Website Development and Web Application Development. Reviews indicate a high level of satisfaction, with 100% of clients praising their ability to deliver projects on time and within budget. Clients appreciate their responsiveness and collaborative approach, although some noted minor challenges with resource management and initial project alignment.
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$25,000+$100 - $149 / hr10 - 49
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See all 3 projectsFive2One is a full-stack development company specializing in building complex technology solutions, such as blockchain platforms and mobile applications. Across reviews, they are praised for their technical expertise, excellent project management, and responsiveness, with 100% positive feedback. Many clients commend their ability to exceed expectations and foster clear communication, with over 60% highlighting their domain knowledge and patient approach.
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$10,000+$50 - $99 / hr10 - 49
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See all 12 projectsEPYC is a web development company with expertise in website design, development, and brand identity enhancement. The company has garnered overwhelmingly positive feedback, with 90% of clients praising their professionalism, effective communication, and ability to meet project deadlines. Notably, 70% of reviews highlight their exceptional project management and responsiveness to feedback, affirming their status as a reliable partner in custom website development and web application development projects.
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$5,000+$25 - $49 / hr10 - 49Łódź, Poland
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See all 7 projectsLowgular is a professional web development company specializing in custom website and web application development, particularly with Angular. The company has consistently received positive feedback for their project management, communication, and technical expertise, with 100% of reviewers highlighting their proactivity and commitment. Clients appreciate their knowledge, transparency, and effective delivery of projects on time, underscoring Lowgular's reliability as a development partner.
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$50,000+$100 - $149 / hr10 - 49Sacramento, CA
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See all 2 projectsDigital Deployment is a web development company specializing in custom website development and CMS integration, primarily using Drupal. Their reviews are overwhelmingly positive, with clients praising their project management, innovative web design, and responsive support, as evidenced by 100% of reviewers highlighting their effective problem-solving and communication. However, a few noted areas for improvement, such as integration with social media platforms.
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$1,000+$50 - $99 / hr2 - 9Kyiv, Ukraine
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See all 22 projectsCart Blender is a proficient web development company specializing in website development, design, and online store migrations across platforms like Shopify and WooCommerce. With a remarkable 100% positive feedback rate, clients commend their responsiveness, value for cost, and quality of deliverables. Approximately 83% of reviewers highlight Cart Blender's effective communication and adherence to project timelines, ensuring a smooth client experience.
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$5,000+$50 - $99 / hr10 - 49Zhytomyr, Ukraine
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See all 16 projectsMGROUP is a proficient web development company specializing in custom Shopify store design and development. Reviews highlight their dedication to delivering high-quality, tailored solutions with a strong emphasis on responsive design and seamless functionality. While communication was an area for potential improvement in some projects, 100% of reviews commend their commitment and expertise, leading to successful project outcomes and enhanced client satisfaction.
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$10,000+$50 - $99 / hr10 - 49Niš, Serbia
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See all 6 projectsNaissus technologies is a versatile web development company specializing in custom website development, web application development, and backend programming. Reviews highlight their strong project management, responsiveness, and ability to deliver on time with a focus on client success. Approximately 90% of reviews commend their flexibility and effective communication, though some mention room for improvement in project closure.
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$10,000+$100 - $149 / hr10 - 49Mumbai, India
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See all 32 projectsHEPTA is a web development company specializing in full-stack web development, custom website development, and web application development. The firm consistently receives positive feedback, with clients praising their quick turnaround times, effective communication, and superior project management. Approximately 90% of reviewers commend HEPTA for their seamless collaboration and ability to adapt to specific client needs and visions.
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$10,000+$100 - $149 / hr10 - 49San Francisco, CA
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See all 9 projectsGalliot is a company specializing in Full-Stack Web Development and Web Application Development. Overall, client reviews are overwhelmingly positive, with 100% describing Galliot as an integrated, efficient part of their team and praising their project management and technical expertise. A recurring theme is their ability to deliver high-quality work on time while providing valuable strategic insights.
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$10,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 1 projectsBITLogix Pvt. Ltd is a web development company specializing in custom website development and process automation. The overall feedback is overwhelmingly positive, with 100% of reviewers praising their professional service, timely delivery, and the significant operational improvements brought by their solutions. Key highlights include increased efficiency, improved collaboration, and cost savings through automation.
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$10,000+$50 - $99 / hr2 - 9Kraków, Poland
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See all 2 projectsForkflow is a web development company specializing in custom website development, including full-stack web development and web application development. The company has received 100% positive feedback, with clients praising their exceptional speed, fluid communication, and close integration with client teams. Forkflow effectively manages projects using tools like Slack and Linear, contributing to significant business growth, such as a 9x increase in one client's operations.
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$5,000+$50 - $99 / hr10 - 49Thessaloniki, Greece
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See all 25 projectsDigital Challenge is a versatile web development company, with a strong focus on custom website development, web design, and e-commerce solutions. The reviews highlight their professionalism, responsiveness, and dedication to meeting client needs, with 90% of feedback being positive. Clients frequently commend their project management and the ability to deliver on time, with 75% mentioning their excellent communication and tailored solutions. However, one review noted shortcomings in technical support and project delivery. Overall, Digital Challenge is recognized for its high-quality service and customer-centric approach.
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$10,000+$50 - $99 / hr10 - 49Kyiv, Ukraine
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See all 16 projectsTrembit is a web application development company specializing in custom solutions, such as video conferencing systems. Reviews highlight their timely project delivery and effective project management, with 100% of feedback being positive regarding their communication and collaboration. Clients appreciate the comprehensive solutions provided by Trembit, which include both software and hardware aspects.
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$50,000+$100 - $149 / hr10 - 49Richmond, VA
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See all 2 projectsCOLAB is a web development company specializing in Website Development and Web Design, offering services in both Front-End and Back-End Development. With a 100% positive feedback rate, clients consistently praise their exceptional project management, proactive communication, and dedication to client needs, making them a valued partner rather than just a vendor.
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$10,000+$50 - $99 / hr10 - 49Lublin, Poland
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See all 20 projects300DEVS is a proficient web development company specializing in Web Application Development and Custom Website Development. Across their reviews, 100% of clients commend their ability to transform underperforming platforms into stable, user-friendly experiences through expert Back-End and Front-End Development. Reviewers also highlight their professional project management and seamless communication, with no notable areas for improvement reported.
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$10,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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See all 11 projectsDirelli is a web development company specializing in custom website development, full-stack web development, and web application development. With a strong focus on quality and responsiveness, 100% of the reviews highlight their exceptional project management and technical expertise. Clients commend Direlli for their ability to deliver on time and their proactive approach, with no negative feedback reported.
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$10,000+$50 - $99 / hr10 - 49Miami, FL
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See all 10 projectsAppluex is a web and mobile development company excelling in Custom Website Development and Web Application Development. Their work is highly regarded, with 100% positive feedback emphasizing their strong project management and communication skills. Clients appreciate their responsiveness and the quality of their deliverables, resulting in high-functioning, bug-free applications.
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$10,000+$50 - $99 / hr50 - 249Kraków, Poland
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See all 16 projectsApplandeo is a full-stack web development company offering comprehensive services in web and mobile app development. Reviews highlight their transparency, proactive approach, and strong project management. Approximately 75% of feedback emphasizes their ability to improve business processes, while around 25% of reviewers note their impressive adaptability and technical expertise. However, some concerns about estimation and timeline management persist.
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$10,000+$25 - $49 / hr50 - 249Rio de Janeiro, Brazil
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See all 1 projectsiBlue Consulting is a digital product development company, renowned for crafting insurance solutions. Their reviews reflect a 100% success rate in delivering projects on time with agile methodologies, emphasizing strong project management and strategic alignment with client needs. Most reviewers highlight the company's professionalism and effective communication, with no areas for improvement noted.
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$10,000+$200 - $300 / hr2 - 9San Francisco, CA
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See all 2 projectsDigi Hotshot is a web development company specializing in custom website development and web design. The company is praised for its speed, responsiveness, and ability to meet project deadlines, with 100% of reviewers highlighting its timely delivery and budget-friendly pricing. Reviewers appreciated their flexible approach and effective communication, noting no significant areas for improvement.
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$1,000+$25 - $49 / hr10 - 49
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See all 20 projectsLogo Poppin is a web development company known for its robust Website Development and Web Design services. They maintain a strong focus on customer service, with 100% of reviews highlighting promptness and effective communication. Clients appreciate their capability to transform concepts into fully functional and visually appealing websites, meeting client needs with efficiency and precision.
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$25,000+$150 - $199 / hr10 - 49Ridgewood, NJ
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See all 18 projectsPaper Tiger is a web development company renowned for its comprehensive website design and development services, including custom website development, branding, and ongoing support. Reviewers highlight their excellent project management and responsiveness, with a notable 100% positive reception regarding their communication and design expertise. Clients frequently commend their ability to reflect brand identity through creative designs and impactful branding.
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$5,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 10 projectsMoka is a web development company specializing in custom website development, web design, and full-stack web development. The reviews highlight Moka's strong communication, agility, and expertise, with 100% positive feedback on project outcomes such as reducing bounce rates and enhancing user experience. Clients appreciate Moka's ability to deliver high-quality, tailored web solutions efficiently, with 80% of reviews mentioning their adaptability and commitment to client goals.
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$1,000+< $25 / hr50 - 249Tallinn, Estonia
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See all 2 projectsAvalon Soft 🥇 is a proficient web development company, excelling in both front-end and back-end development with a focus on scalable, user-centric solutions. They receive overwhelmingly positive feedback, with 100% of reviewers praising their technical expertise and effective communication, although a few note room for improvement in design implementation timelines.
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$10,000+$50 - $99 / hr2 - 9Sisak, Croatia
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See all 12 projectsKreativa Studio is a web design and development company known for its expertise in front-end development and custom website solutions. With consistently high client satisfaction, 100% of reviewers praised their responsive communication and ability to meet project deadlines. Clients commend their skill in aligning with brand visions and delivering visually appealing, user-friendly websites tailored to unique client needs.
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$5,000+$25 - $49 / hr10 - 49
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See all 12 projectsWPVender is a versatile full-stack web development company specializing in custom website development and web application development, offering comprehensive services such as front-end and back-end development, API integration, and UX/UI design. With 100% of reviews highlighting their technical expertise, timely delivery, and commitment to client satisfaction, WPVender consistently exceeds expectations through efficient project management and proactive communication.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 4 projectsInfo-Polus is a full-stack web development company, specializing in back-end and front-end development with technologies like AWS, Node.js, and React. Reviews highlight their impressive project management and timely delivery, with 100% positive feedback emphasizing their professionalism and ability to complete tasks efficiently and effectively.
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$5,000+$50 - $99 / hr10 - 49Johannesburg, South Africa
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See all 4 projectsBluebird Technologies is a proficient web development company specializing in full-stack web development and web application development. Their expertise is highlighted by the successful creation of a React web application and REST API, with 100% of reviewers praising their quick and competent delivery. While their responsiveness and technical proficiency impress, feedback indicates a need for increased workforce capacity.
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$10,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 1 projectsGlobal Happiness Sweden AB is a web development company specializing in Drupal and WordPress project architecture, development, and support. Reviews highlight a 100% satisfaction rate, emphasizing timely project delivery, excellent project management, and strong alignment with client values, with no reported areas for improvement. Clients appreciate their synergy and well-organized processes in Web Development and Web Design.
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$1,000+$50 - $99 / hr10 - 49Swansea, Wales
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See all 4 projectsThe Constant Media is a web development company specializing in custom website development, web design, and full-stack web development. Reviews highlight their strong problem-solving skills, adaptability, and ability to deliver innovative, technically sound web solutions. Positive feedback is overwhelmingly at 100%, with clients praising their dedication and ability to translate complex problems into understandable processes.
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$10,000+$50 - $99 / hr50 - 249
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See all 3 projectsSobre Software House is a web development company known for its expertise in Website Development and Web Programming. Reviews highlight their exceptional project management and high-quality deliverables, with 100% of reviewers praising their communication and responsiveness. Their ability to consistently meet deadlines and proactively address issues has been particularly impressive to clients.
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$5,000+$50 - $99 / hr10 - 49Bratislava, Slovakia
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See all 4 projectsLoopLabs is a web development company specializing in modern and intuitive website design, with a strong focus on web3 technologies and blockchain understanding. The reviews highlight their impressive creativity, professionalism, and quick delivery, with 100% of feedback being positive. Clients consistently praise their project management and communication, with many noting their ability to exceed expectations and deliver flawless designs.
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$100,000+$50 - $99 / hr50 - 249Ljubljana - Črnuče, Slovenia
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See all 21 projectsEqualeyes d.o.o. is a web development company praised for its expertise in web application development, custom website development, and effective project management. With approximately 100% positive feedback, clients commend their patience, communication skills, and ability to meet tight deadlines. The firm is recognized for delivering quality services and maintaining a strong client relationship, which aids in achieving significant business milestones.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsScaylar Technologies is a web development company excelling in migration and cloud adoption services. With 100% positive feedback, clients highlight their prompt delivery, flexibility, and outstanding understanding of business needs, consistently exceeding expectations. They are particularly noted for their expertise in utilizing serverless technologies and seamless API integration, demonstrating a strong commitment to client satisfaction.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
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
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% 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 -
$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 -
$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 -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
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 -
$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 -
$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
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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.