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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$10,000+< $25 / hr50 - 249Jaipur, India
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See all 19 projectsSAG IPL is a full-service web development company offering a range of services, including web design, custom website development, and online development. Based on reviews, 85% of clients appreciate their project management and commitment to solving client challenges, while 15% note areas for improvement in communication. The company is recognized for delivering cost-effective solutions and accommodating client needs, particularly excelling in full-stack web development and digital marketing efforts.
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$5,000+$25 - $49 / hr2 - 9Barcelona, Spain
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See all 3 projectsGCT is a web development company specializing in custom website development, web application development, and front-end and back-end development. Reviews highlight their professional approach, timely delivery, and valuable insights, with 100% positive feedback on communication and project management. Approximately 75% of reviewers commend their efficiency and ability to meet deadlines.
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$1,000+$100 - $149 / hr2 - 9New York, NY
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See all 3 projectsAlfatek Digital is a web development company specializing in custom website development and web design. They received 100% positive feedback for their efficient project management, timely delivery, and ability to meet client specifications, such as CRM integration and mobile-friendly design. Clients commend their genuine and friendly approach, with no noted areas for improvement.
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$10,000+$100 - $149 / hr10 - 49
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See all 3 projectsBi Studio Inc. specializes in Website Development and Web Design. Their clients appreciate their comprehensive branding strategies and visual identity creation, which effectively represent company values and services. Feedback consistently highlights Bi Studio Inc.'s effective communication, timely delivery, and satisfaction with the final outcomes.
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$5,000+$25 - $49 / hr10 - 49Wien, Austria
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See all 9 projectsMOVE Digital is a comprehensive digital development company specializing in Web Development, including Custom Website Development, Front-End and Back-End Development, and Full-Stack Web Development. Reviews consistently highlight their high professionalism, effective project management, and proactive problem-solving, with 100% positive feedback on timely delivery and communication. Clients appreciate their ability to align with company values and provide tailored digital solutions.
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$5,000+$25 - $49 / hr10 - 49Uzhhorod, Ukraine
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See all 9 projectsWallTree is a versatile company specializing in Web Development, Web Design, and Full-Stack Web Development. With 100% positive feedback, clients commend their consistent quality, reactivity, and strong project management. However, areas for improvement include handling change requests and documentation. Clients appreciate their flexibility and creativity in delivering solutions that meet expectations across various sectors.
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$5,000+$100 - $149 / hr2 - 9
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See all 2 projectsDigital Crayon is a web development company specializing in website design and custom website development. They are praised for creating a professional and fresh-looking website with an easy-to-navigate booking system. The company is noted for its timeliness and effective project management, although additional face-to-face meetings could enhance the experience.
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$1,000+$50 - $99 / hr2 - 9Cape Town, South Africa
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See all 12 projectsVegatech is a renowned web development company specializing in custom website development and web design, frequently praised for their professionalism, attention to detail, and timely delivery. With 100% positive feedback, clients consistently commend Vegatech's ability to translate visions into functional, user-friendly websites, leading to enhanced online presence and increased business outcomes.
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Undisclosed$25 - $49 / hr10 - 49Johannesburg, South Africa
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See all 10 projectsMut-Con (Pty) Ltd is a web development company known for delivering exceptional website development services, as evidenced by 100% positive feedback from clients. Reviewers frequently praise their impressive project management, professional team, and successful enhancement of online presence, with 100% noting their outstanding service and high-quality modern website outcomes.
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$1,000+$25 - $49 / hr10 - 49Prague, Czech Republic
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See all 3 projectsRascasone is a web development company specializing in custom website development and web application development. Overall feedback is overwhelmingly positive, with clients praising their adherence to deadlines and quality of work. Approximately 100% of reviewers highlight their effective project management and timely delivery, often using Trello for coordination.
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UndisclosedUndisclosed10 - 49Indore, India
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See all 2 projectsNagar Software Solution Pvt. Ltd specializes in Web Development and Web Design, excelling in both mobile and custom website development. They receive overwhelmingly positive feedback, with 100% of reviewers praising their strong project management, timely delivery, and innovative solutions. Their commitment to excellence and customer-centric approach ensures high user satisfaction and the successful execution of complex projects.
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$5,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 9 projectsThe Social Formula is a web development company specializing in website development and social media maintenance. They have received positive feedback for enhancing social media engagement, website traffic, and brand image, with 100% of reviewers highlighting their professionalism and creativity. Clients appreciate their responsiveness and proactivity, consistently meeting expectations and delivering on time.
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$1,000+$25 - $49 / hr50 - 249Chennai, India
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See all 4 projectsVINSINFO Private Limited is a web development company known for its excellence in Custom Website Development and Web Design. With a 100% positive feedback rate, clients commend their effective project management, timely delivery, and strong communication skills. Their proactive and agile approach ensures a high-quality service, tailored solutions, and robust website performance.
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$25,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 14 projectsNimble AppGenie is a web development company specializing in creating custom websites and online applications. With a client satisfaction rate nearing 100%, they are praised for their comprehensive project management and collaborative approach, often exceeding expectations in web design and development. A significant 66% of reviewers highlight their strong client-focused relationships and innovative solutions.
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$5,000+$25 - $49 / hr50 - 249
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See all 2 projects3ilogics is a distinguished Web Development company known for its expertise in Custom Website Development and Full-Stack Web Development. With a 100% positive feedback rate, clients commend their professional design capabilities and exceptional project management. Approximately 80% of reviews highlight their effective communication and innovative solutions, underscoring their commitment to delivering high-quality web programming services.
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$5,000+< $25 / hr50 - 249Bhuj, India
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See all 10 projectsWRTeam is a proficient web development company offering services such as web design, full-stack web development, and comprehensive digital solutions. Client feedback is overwhelmingly positive, with 90% of users rating their experiences as excellent. Their strengths include timely delivery, responsive communication, and a commitment to client success, making them a dependable partner for web application development.
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$1,000+$50 - $99 / hr2 - 9
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See all 3 projectsAvrion is a web development company excelling in custom website development and web design. They consistently deliver projects on time and within budget, with 100% of reviewers praising their professionalism and guidance throughout the development process. Clients appreciate their ability to meet expectations and ensure a seamless experience.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsWPXStudios is a web development company specializing in complex website builds, web design, and eCommerce solutions, as evidenced by their custom website development and full-stack web development services. Client feedback is overwhelmingly positive, with 100% satisfaction regarding timely delivery, communication, and technical capabilities, highlighting their proficiency in both front-end and back-end development.
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$10,000+$100 - $149 / hr10 - 49
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See all 1 projectsStory of AMS is a dynamic digital agency specializing in app design and development, notably employing technologies like React Native. They are highly regarded for their flexibility, speed, and commitment to delivering results under tight deadlines. Positive feedback highlights their energy and responsiveness, with 100% of reviewers noting their impressive project management and delivery capabilities. However, improvement in operational support systems is advised for future scalability.
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$50,000+$150 - $199 / hr250 - 999Herndon, VA
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See all 4 projectsAEM Corporation, primarily known for its software development services, consistently receives exceptional feedback from clients. With 100% of reviews highlighting their technical expertise and deep client engagement, the company is praised for its project management, integrity, and adaptability. Notably, clients commend AEM Corporation for their ability to co-create innovative solutions and their strong customer focus, with no negative feedback reported in the available reviews.
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$1,000+< $25 / hr10 - 49New York, NY
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See all 3 projectsPotential Digital Agency is a web development company specializing in services such as platform migration, web design, and digital marketing. Across their reviews, clients highlight their expertise in SEO and SEM, with a noted 25% sales increase post-migration. Approximately 80% of feedback praises their cooperative team and flexibility, though some suggest improved project timelines.
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$5,000+$50 - $99 / hr10 - 49San Antonio, TX
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See all 11 projectsBounty Hunter is a versatile web development company specializing in website design, development, and digital marketing services. Across their reviews, 100% of clients praised their effective project management, cultural alignment, and value for cost, with notable achievements in SEO and lead generation. Clients consistently highlight Bounty Hunter’s attentiveness, professionalism, and seamless communication, making them a trusted partner for custom website development and marketing strategies.
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$1,000+$25 - $49 / hr10 - 49Kolkata, India
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See all 2 projectsRank Quick Infotech.pvt.ltd is a web development company specializing in custom website development and web programming. Reviewers highlight their professionalism, affordability, and effective communication, with 100% of feedback mentioning their responsiveness to change requests. Despite minor initial bugs, the company demonstrated quick resolution and delivered a smooth and efficient web application development experience.
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$5,000+$25 - $49 / hr50 - 249
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See all 1 projectsAKVATEQ is a development company specializing in SaaS solutions and website projects. They are praised for their strong alignment with client values, competitive pricing, and excellent project management. 100% of the feedback is positive, highlighting their effective communication and the presence of the owner, Asad, throughout the project.
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$1,000+$25 - $49 / hr50 - 249Highland Charter Township, MI
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See all 7 projectsPranshtech Solutions Pvt Ltd. is a full-service Web Development company specializing in custom website development, web application development, and mobile solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their technical expertise, timely delivery, and proactive communication. Clients appreciate their attention to detail and ability to meet evolving project needs, demonstrating a strong commitment to customer satisfaction.
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$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsCodeSuite is a web development company specializing in full-stack web development, web application development, and mobile app development using technologies like Django and React. Overall, 100% of their reviews highlight their professionalism and expertise, with clients praising their precise project management and quality code. There were minor concerns regarding grammatical accuracy, mentioned by only one client.
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$1,000+< $25 / hr10 - 49Pune, India
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See all 4 projectsBUDHANA TECH, LLP is a web development company recognized for its expertise in web development and delivering innovative solutions. With 100% of reviewers highlighting exceptional project execution and responsiveness, they are consistently praised for improving processes and productivity, making them a reliable and valuable partner for transformative IT solutions.
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$25,000+$100 - $149 / hr50 - 249West Hollywood, CA
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See all 11 projectsVentureDevs is a comprehensive web development company offering services in full-stack web development, web application development, and custom website development. With an overwhelmingly positive client feedback (100% satisfaction), their strengths lie in excellent project management, strong communication, and adaptability. Clients appreciate their ability to deliver tailored solutions and maintain high-quality standards, as reflected in consistently successful project outcomes.
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$1,000+$25 - $49 / hr2 - 9Montevideo, Uruguay
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See all 2 projectsMarkenetics is a web development company specializing in custom website development and brand identity services. Across reviews, 100% of clients express satisfaction with their high-quality work and effective communication. They are praised for their ability to meet deadlines and provide solutions, though a minor improvement in social media management is suggested.
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$5,000+$25 - $49 / hr2 - 9Ankara, Türkiye
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See all 3 projectsWPCenter is a web development company specializing in WordPress development and front-end development for bespoke websites. The company consistently receives positive feedback for its high-quality deliverables and communication, with 100% of reviewers highlighting timely delivery and effective collaboration. Clients appreciate their exceptional alignment with team needs and strong project management capabilities.
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$10,000+$25 - $49 / hr50 - 249
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See all 1 projectschild zon is a digital solutions provider specializing in web and mobile application development. Overall feedback indicates a positive experience, with clients appreciating their availability and commitment to meeting deadlines. However, 20% of reviewers suggest the need for improved project preparedness. Despite this, their proactive communication and task-based work approach are well-regarded by clients.
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$5,000+$25 - $49 / hr10 - 49Noida, India
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See all 22 projectsBoxinall is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. Overall, approximately 83% of reviews highlight positive feedback, particularly noting their effective project management and timely delivery. However, 17% of feedback suggests some areas for improvement, primarily in communication consistency during project execution.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 9 projectsAppgenix Infotech LLP is a full-stack web development company, renowned for crafting responsive and SEO-friendly websites. With 100% positive feedback, clients commend their professionalism, transparency, and excellent project management. Approximately 90% of reviewers highlight their adaptability and dedication in delivering high-quality work, ensuring satisfaction and continued collaboration.
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$1,000+$25 - $49 / hr50 - 249Sanauli, India
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See all 6 projectsInStep Technologies is a prominent web development company specializing in custom website development and web application development. With 100% positive feedback from reviews, clients highlight their expertise in full-stack development, proactive communication, and customer-centric approach. The company consistently meets project deadlines and is praised for their responsiveness and flexibility in accommodating client needs.
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$10,000+$50 - $99 / hr10 - 49Bydgoszcz, Poland
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See all 2 projectsBoostHigh is a software development company that specializes in creating custom software solutions using technologies like C++, C#, Symfony, JavaScript, and PHP. Reviews indicate a high level of client satisfaction, with 100% reporting high-quality deliverables and effective project management. Clients appreciate their transparency, communication, and seamless integration into existing workflows, though some suggest expanding their capacity for larger projects.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 3 projectsKonceptwise Digital Media Pvt. Ltd. is a web development company specializing in website development and maintenance. They have consistently demonstrated strong project management and communication skills, with 100% of reviewers highlighting their technical expertise and accessibility. Clients appreciate their ability to make technical decisions understandable for non-IT professionals, with no significant areas for improvement noted.
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$10,000+$50 - $99 / hr10 - 49
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See all 2 projectsUnillence is a full-stack web development company noted for its expertise in custom website development and web application development. An impressive 100% of reviewers highlight their exceptional project management, timely delivery, and responsiveness to client needs, with no areas for improvement mentioned. Their collaborative spirit and high standards of work consistently lead to client satisfaction.
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$5,000+$50 - $99 / hr2 - 9Toronto, Canada
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See all 8 projectsDevNinja.tech is a distinguished web development company, renowned for its expertise in custom website development and web application development. With a 100% positive feedback rate, they are praised for their advanced security measures, innovative solutions, and commitment to high-quality, user-friendly web applications, achieving a 40% increase in user engagement and 25% efficiency boost for clients.
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$1,000+$100 - $149 / hr2 - 9
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See all 18 projectsDINO - Tech Solutions is a versatile web development company known for delivering custom website development, full-stack web development, and web application development. With a focus on high-quality results and exceptional communication, 90% of feedback highlights their professionalism and ability to meet deadlines. Many clients appreciate their adaptability and innovative solutions, making them a preferred partner for various online development projects.
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$1,000+$50 - $99 / hr2 - 9Sarasota, FL
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See all 1 projectsAtrax Designs is a web development company specializing in custom website development and web design. Client feedback highlights their professionalism and ability to implement requested features effectively, with 100% of reviewers expressing satisfaction with their work. Atrax Designs' commitment to understanding client needs is a recurring theme in their positive reviews.
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$5,000+$50 - $99 / hrFreelancerMedway, MA
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See all 12 projectsReardon Web Development is a distinguished web development company specializing in custom website design, web application development, and full-stack web development. The company consistently receives positive feedback for its professionalism, responsiveness, and attention to detail, with 100% of reviewers highlighting their exceptional communication and project management skills. Clients frequently commend their ability to understand and execute brand visions, resulting in increased visibility and business growth.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 2 projectsMatrixHive Technologies Pvt. Ltd. is a web development company specializing in custom website development and web application development. They have received positive feedback for their personal attention to detail, responsiveness, and ability to meet project timelines, with 100% of reviewers praising their alignment with company values and proficiency. Their comprehensive and responsive solutions demonstrate their expertise in front-end and back-end development.
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$5,000+$25 - $49 / hr50 - 249
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See all 10 projectsVitalify Asia Co.,Ltd. is a web development company specializing in custom website development and full-stack web development services. The company receives overwhelmingly positive feedback, with clients praising their technical expertise, exceptional project management, and effective communication. Approximately 100% of reviewers express satisfaction, highlighting Vitalify Asia's ability to deliver timely results and their commitment to client needs.
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$10,000+$100 - $149 / hr10 - 49Sofia, Bulgaria
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See all 13 projectsOblik Studio is a web development company praised for their expertise in custom website development and web programming. With 100% positive feedback across reviews, clients commend their project management, innovative approach, and ability to exceed expectations. They are recognized for delivering high-performance websites, with one client noting a significant increase in engagement and another highlighting exceptional user experience design.
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$10,000+$50 - $99 / hr10 - 49
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See all 5 projectsCode Pilots is a web development company specializing in global e-commerce solutions and custom website development. They have received overwhelmingly positive feedback, with reviewers praising their outstanding communication and effective project management. A significant portion of clients, around 70%, highlight their ability to significantly enhance website traffic and user engagement through their web development expertise.
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$10,000+$25 - $49 / hr50 - 249Parker, CO
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See all 1 projectsUPlanet Inc is a web development company specializing in full-stack web development and custom website development. Overall, 100% of reviewers express positive feedback, highlighting their adaptability and strong project management skills. Nearly all reviewers commend their expertise in PHP frameworks and their ability to manage complex projects from start to finish.
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$5,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 7 projectsKrishna Innovative Software Pvt. Ltd. is a web development company specializing in website and mobile app development, infrastructure enhancement, and web application development. Their reviews highlight exceptional full-stack development skills, efficient communication, and timely delivery, with 100% of reviewers praising their technical competence and client service excellence. They are noted for their adaptability and commitment to client satisfaction.
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$1,000+$25 - $49 / hr50 - 249دبي, United Arab Emirates
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See all 5 projectsAB Ark Private Limited is a web development company specializing in full-stack web and custom website development. Their reviews highlight a strong focus on client-centric solutions and technical expertise, with 100% positive feedback praising their timely delivery and innovative approach. Notably, 50% of reviewers emphasize their ability to significantly reduce operational workload and enhance user experience.
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$1,000+$100 - $149 / hr2 - 9
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See all 7 projectsRohallion is a proficient web development company known for its expertise in Drupal-based website solutions, focusing on both front-end and back-end development. Across multiple reviews, 100% of clients praised their problem-solving skills, responsiveness, and professionalism. Many highlighted their ability to deliver projects on time and within budget, with 83% specifically noting their strength in migrating and developing complex, multilingual websites.
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$10,000+$50 - $99 / hr2 - 905, Andorra
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See all 1 projectsROCHEGRUP SOFTWARES is a custom software development company specializing in web application development. Feedback from their clients is overwhelmingly positive, with reviewers praising their robust solutions and effective project management. Notably, 100% of the feedback highlights their excellent communication and ability to meet deadlines. No areas for improvement were mentioned, indicating high client satisfaction.
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List of the Top 15 JavaScript Development Companies
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$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 -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 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
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other
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.