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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$50,000+$25 - $49 / hr50 - 249Miami, FL
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See all 15 projectsORIL is a full-service web development company specializing in custom website development, web application development, and full-stack web development. The majority of reviews are highly positive, with 100% of clients expressing satisfaction with their professionalism, project management, and ability to deliver high-quality, user-friendly web solutions. Common themes include their strong technical expertise and efficient communication.
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$25,000+$150 - $199 / hr10 - 49Tampa, FL
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See all 3 projectsBrave People is a web development company specializing in brand development, web design, and custom website development. Across reviews, they are praised for their strategic approach and alignment with client values, with 100% positive feedback on project delivery and communication. Impressively, 80% of reviewers highlight their strong cultural fit and creativity.
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$5,000+$50 - $99 / hr2 - 9Mississauga, Canada
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See all 11 projectswise4dev inc. is a web development and design company specializing in custom website development, full-stack web development, and SEO strategies. The company consistently receives positive feedback, with clients praising their responsiveness, attention to detail, and ability to deliver projects on time. Approximately 90% of reviewers highlight wise4dev inc.'s effective communication and project management skills, while 80% commend their expertise in improving website functionality and design.
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$10,000+$25 - $49 / hr50 - 249Sukteri, India
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See all 38 projectsOyelabs Technologies is a web development company specializing in custom software and full-stack web development. Their reviews are overwhelmingly positive, with clients praising their punctuality, precise processes, and effective project management. Approximately 100% of reviews highlight their timely delivery and client-focused approach, showcasing their commitment to meeting project timelines and budgets.
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$25,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 6 projectsAugust is a web development company specializing in full-stack web development, custom website development, and digital solutions. In August, their client feedback was overwhelmingly positive, with around 90% of reviewers highlighting their technical expertise, seamless collaboration, and effective project management. Approximately 80% of clients praised August's ability to integrate design with back-end systems, demonstrating their proficiency in both front-end and back-end development.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 12 projectsThe UpperCode is a web development company that specializes in custom website development, full-stack web development, and web application development. Feedback from clients highlights their commitment to quality, timely execution, and cost-effectiveness, with 100% of reviewers expressing satisfaction with their work and emphasizing their impressive problem-solving skills and dedication to project success.
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$5,000+$25 - $49 / hr50 - 249New York, NY
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See all 13 projectsNapollo Software Design is a proficient web development company offering services such as Website Development, Web Programming, and Full-Stack Web Development. Client feedback highlights their professionalism, responsiveness, and transparency, with approximately 100% of reviewers praising their communication and problem-solving skills. Clients appreciate their ability to deliver projects on time and within budget, contributing to increased business success and a robust online presence.
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$10,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 4 projectsTechlexity specializes in Web Development and Web Programming, offering comprehensive online development solutions. Clients commend Techlexity for their efficient communication, timely delivery, and exceptional project management. The company excels in creating user-friendly solutions, such as MVPs and advanced applications, which enhance customer experiences and provide businesses with a competitive edge.
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$5,000+$50 - $99 / hr10 - 49Winnipeg, Canada
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See all 1 projectsSELK is a web development company specializing in custom website development and complex system architecture, particularly with Drupal. Their reviews highlight exceptional project management, accountability, and communication, resulting in a 50% increase in website traffic and successful integration of existing services. Impressively, 100% of feedback underscores their proactive approach and expertise, with no noted areas for improvement.
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$10,000+$50 - $99 / hr10 - 49Germantown, MD
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See all 14 projectsSailet is a versatile web development company that excels in delivering custom website development, web application development, and full-stack web development services. Across multiple reviews, clients praised Sailet for their remarkable attention to detail and client-oriented approach, with 100% of reviewers noting their timely delivery and professional communication. Their expertise in web design and online development consistently results in high client satisfaction and successful project outcomes.
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$10,000+$50 - $99 / hr10 - 49Opole, Poland
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See all 11 projectscodelabs.rocks is a comprehensive web development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Reviewers consistently praise their transparent project management, effective communication, and innovative solutions, with 100% positive feedback emphasizing their ability to meet deadlines, accommodate client needs, and maintain strong client relationships. They are highly recommended for their agile and professional approach to complex projects.
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$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 13 projectsDevlane is a Web Development company offering Front-End and Back-End Development, Custom Website Development, and Quality Assurance services. Clients commend Devlane for their high-quality work, flexibility, and effective integration with clients' teams. Approximately 100% of reviewers highlight their transparent communication and absence of hiring pressure, with successful project outcomes and significant user engagement improvements noted.
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$1,000+< $25 / hr250 - 999Pimpri-Chinchwad, India
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See all 3 projectsTudip Technologies Pvt. Ltd. is a versatile technology company offering extensive development services, including building banking systems, QA testing, and mobile application development. Reviewers commend their adaptability, responsiveness, and commitment to quality assurance, with 100% of the feedback highlighting their exceptional project management and 24/7 support. Clients appreciate their cost-effective solutions and dedication, despite geographical and time-zone differences.
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$5,000+$50 - $99 / hr10 - 49
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See all 32 projectsEster Digital is a full-service web development and design company noted for its proficiency in front-end and back-end development, as well as custom website creation. Across their reviews, 100% of clients commend their timely delivery, responsiveness, and high-quality outputs, often exceeding expectations. Approximately 70% highlight their creative approach and strong project management skills, making them a highly recommended choice for web programming and online development projects.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 14 projectsBinstellar Technologies Pvt. Ltd. is a comprehensive web development company offering services in web application development, front-end and back-end development, and custom website development. With 100% positive feedback from clients highlighting their project management, timeliness, and innovative solutions, Binstellar is praised for cost-effectiveness and quality, making them a preferred partner for businesses seeking robust online development solutions.
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$10,000+$25 - $49 / hr10 - 49Opole, Poland
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See all 14 projectsSmartbees is a web development company specializing in Web Design, Custom Website Development, and Web Application Development, serving diverse sectors such as marketing, nonprofit, and e-commerce. Across their reviews, 85% of clients highlight punctuality and high-quality project management, with 70% emphasizing their technological proficiency and problem-solving skills. Areas for potential improvement include cost optimization and communication regarding additional work.
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$25,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 22 projectsMWDN is a comprehensive web development company specializing in full-stack web and application development services. The company has received overwhelmingly positive feedback, with 100% of reviews highlighting their effective project management, timely delivery, and adaptability to client needs. Clients frequently commend MWDN for their professional communication and strong cultural fit, making them a reliable partner for varied development projects.
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$25,000+$50 - $99 / hr50 - 249Salvador, Brazil
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See all 7 projectsAvantsoft is a web development company recognized for its custom website development and web application development services. Impressively, 100% of reviewers praised their timeliness and ability to meet expectations, with many highlighting their efficient project management and effective communication. Their ability to deliver projects within budget and timeframe, coupled with high client satisfaction, underscores their commitment to quality service.
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$25,000+$50 - $99 / hr50 - 249Kielce, Poland
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See all 4 projectsSilevis Software is a software development company that provides a range of services including software architecture, development, and deployment across various platforms. Their reviews highlight a strong commitment to client goals, effective communication, and a collaborative approach. Approximately 75% of reviewers emphasize their professionalism and ability to integrate seamlessly with internal teams, contributing to successful project outcomes.
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$25,000+$25 - $49 / hr50 - 249San Francisco, CA
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See all 13 projectsKwanso LLC is a web development company specializing in custom website development, web application development, and full-stack web development. With 100% positive feedback, clients highlight their ability to modernize websites and deliver high-quality applications on time. Reviewers commend Kwanso LLC's excellent project management, strong communication skills, and dedication to client needs, making them a reliable partner for complex web development projects.
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$25,000+$200 - $300 / hr50 - 249Reno, NV
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See all 39 projectsNoble Studios is a distinguished agency specializing in Website Development, Web Design, and digital strategy. Their expertise in creating custom, highly functional websites that are both visually stunning and technically advanced is consistently praised in client reviews. Approximately 90% of feedback highlights their professionalism, adaptability, and commitment to delivering user-friendly and customizable solutions. Clients frequently appreciate their project management skills and ability to form collaborative relationships, making them an excellent choice for comprehensive web development needs.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsBitBreeze is a web development firm specializing in full-stack web development and custom website development. Clients commend their ability to merge technical expertise with creative design and highlight their responsiveness and professionalism. With 100% positive feedback, BitBreeze is praised for adhering to deadlines and ensuring client satisfaction, though some suggest slightly more structured early documentation.
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$10,000+Undisclosed50 - 249
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See all 6 projectsAstec is a professional development agency specializing in Full-Stack Web Development and Web Application Development. They have demonstrated expertise in handling complex IT systems, notably employing Java, JavaScript, and Python. Reviews indicate 100% positive feedback, highlighting their exceptional time management, technical skills, and collaborative approach, making them an ideal partner for projects requiring flexibility and dynamic solutions.
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$5,000+$50 - $99 / hr2 - 9Leeds, England
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See all 2 projectsErised provides comprehensive Website Development services, focusing on creating functional and user-friendly applications, as evidenced by their successful development of a pilot app for an E-Learning platform. Clients consistently praise Erised for their efficient communication, flexibility, and impressive price-quality ratio, noting significant improvements and ease of use in their deliverables.
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$10,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 16 projectsCompoze Labs is a web development company specializing in custom website development and web application development. Reviews highlight their adaptability, strong project management, and commitment to client missions, with 100% positive feedback on their supportive and engaged team. Clients appreciate their agile approach and reliable delivery on timelines.
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$1,000+$25 - $49 / hr10 - 49Budapest, Hungary
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See all 5 projectsEasify Technologies is a web development company specializing in Website Development, Web Design, and Custom Website Development. They have consistently received positive feedback for their creativity, timely project management, and effective communication. Notably, 100% of reviewers highlighted their responsiveness and innovative approach, while none reported areas needing improvement, showcasing their commitment to delivering high-quality service.
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$5,000+$100 - $149 / hr10 - 49Palmerston North, New Zealand
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See all 2 projectsNodero is a software development company specializing in building complex, customized software solutions across various industries. The reviews indicate a strong emphasis on effective project management, high-quality deliverables, and excellent interpersonal communication, with around 90% of reviewers highlighting the team's professionalism and adaptability. However, a few clients have noted a desire for increased transparency in project progress updates.
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$5,000+$25 - $49 / hr50 - 249
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See all 19 projectsParalect Inc. is a company specializing in Website Development, offering services that include Custom Website Development, Web Application Development, and Full-Stack Web Development. With 100% of reviews highlighting impressive project management and communication, Paralect Inc. consistently delivers projects on time. Reviewers appreciate the company's culture and professionalism, making them a preferred partner for development needs.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 8 projectsDONE. is a distinguished web development company known for delivering high-quality custom website and web application development services. Across multiple reviews, clients consistently praise DONE. for their professionalism, effective communication, and ability to transform ideas into functional solutions. Approximately 95% of feedback highlights their exceptional project management, creativity, and timely execution, resulting in increased web traffic and conversions for clients.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsVindaloo Softtech Pvt. Ltd. is a telecommunications and software development company specializing in customized VoIP, CRM, and PBX systems. Clients consistently commend their professionalism, clear communication, and timely delivery of quality projects. Notably, 100% of reviewers express satisfaction with their deliverables and responsiveness. Additionally, many highlight the company's ability to adapt to changes and provide innovative solutions.
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$25,000+$100 - $149 / hr2 - 9Edmonds, WA
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See all 21 projectsBlack Antelope is a digital design and development agency specializing in Website Development, Web Design, and Custom Website Development. Their clients commend their excellent project management and communication skills, with a consistent 100% positive feedback on timely delivery and responsiveness. Notably, 90% of reviewers highlight their ability to understand and implement client visions, while 70% appreciate their budget-friendly pricing and value for cost.
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$5,000+$50 - $99 / hr10 - 49Fort Wayne, IN
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See all 3 projectsDataCose is a web development company specializing in custom solutions such as appointment tracking, proposal generation, and live-streaming systems. Reviews highlight a 100% satisfaction rate, with clients praising their efficiency, professionalism, and ability to improve operational processes. The company excels at understanding and meeting client needs with a collaborative approach.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 7 projectsBulcode is a web development company excelling in Website Development, Full-Stack Web Development, and Custom Website Development. Across their reviews, approximately 100% of clients highlight their technical expertise, proactive communication, and adherence to deadlines. Many reviews also praise their ability to increase operational efficiency and sales, with 67% of reviewers mentioning impressive project management and customer support.
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$25,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 28 projectsVault Innovation is a full-stack web development company specializing in creating custom technology solutions, including web application development and front-end and back-end development. Across their reviews, they receive predominantly positive feedback, with 90% of clients praising their technical expertise, project management skills, and ability to adapt to client needs. Clients frequently commend their transparency and partnership approach, while some suggest improvements in communication and project timeline estimations.
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$25,000+$100 - $149 / hr10 - 49London, England
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See all 11 projectsSteadfast Collective is a web development company known for delivering high-quality services such as custom platform development, web application development, and ongoing website maintenance. With 100% positive feedback, clients consistently commend their professionalism, timely delivery, and exceptional customer service. Approximately 80% of reviews highlight their effective communication and transparency, emphasizing their client-first approach and the ability to manage complex projects efficiently.
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$50,000+$150 - $199 / hr10 - 49New York, NY
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See all 5 projectsTanooki Labs is a Full-Stack Web Development company specializing in web application development and custom website solutions. The reviews reflect a 100% positive sentiment, highlighting their exceptional project management, responsiveness, and ability to align with client values. Reviewers specifically commend their technical expertise and the educational support they provide, making them a reliable partner for both technical and non-technical clients.
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$10,000+$25 - $49 / hr50 - 249London, England
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See all 38 projectsEmvigo Technologies Ltd is a web development company excelling in custom website development, full-stack web development, and web application development. With over 90% positive feedback, clients commend their commitment, adaptability, and timely project delivery. Many reviewers (approximately 70%) highlight their impressive project management and ability to work closely with clients to understand and deliver on specific requirements.
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$10,000+< $25 / hr50 - 249Frisco, TX
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See all 7 projectsBiz4Solutions is a versatile software development company specializing in mobile and web applications across various industries. The reviews highlight a consistent theme of strong project management and effective communication, with 100% of clients noting their professionalism and dedication to client success. Approximately 80% of reviewers praised their ability to deliver solutions tailored to specific business needs, while 60% emphasized their collaborative approach and depth of technical expertise. The company is appreciated for its commitment to understanding client goals and providing innovative solutions.
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$10,000+$25 - $49 / hr10 - 49São Carlos, Brazil
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See all 7 projectsLiven is a web development company specializing in Web Application Development, offering services such as Full-Stack Web Development and Custom Website Development. They consistently deliver high-quality projects on time, with 100% of reviewers noting their understanding and alignment with client needs. Clients appreciate their effective project management and innovative solutions, though some suggest faster bug resolution.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 16 projectsITSUA is a web development company specializing in custom website development, full-stack web development, and web application development. Across their reviews, 100% of clients praised their professionalism, timely delivery, and effective communication, with many highlighting their attention to detail and responsiveness. Their ability to align project goals with client needs and deliver scalable solutions is frequently noted.
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$5,000+$25 - $49 / hr10 - 49Chişinău, Moldova
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See all 7 projectsCreativSoft is a full-stack web development company specializing in custom website development and web application development. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, timely delivery, and exceptional problem-solving capabilities. Clients highlight their value for money and seamless communication, with several noting their ability to exceed expectations and enhance user experience through innovative solutions.
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$25,000+$50 - $99 / hr10 - 49Pécs, Hungary
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See all 13 projectsCubicfox is a full-stack web development company known for its expertise in custom website development, front-end, and back-end development, as well as web application development. Overall, 100% of the reviews are positive, highlighting their professionalism, flexibility, and client-focused approach. Clients appreciate their effective project management style and innovative solutions, with numerous testimonials praising their commitment and impressive design work.
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$5,000+$25 - $49 / hr50 - 249
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See all 7 projectsOrbixCode is a comprehensive web development company specializing in Web Development, Web Design, and Web Application Development. Clients highlight their effective communication, timely delivery, and budget-friendly services, with 100% positive feedback across reviews. They excel in both e-commerce and custom web solutions, ensuring client satisfaction through their responsive and innovative approach.
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$25,000+$200 - $300 / hr10 - 49New York, NY
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See all 4 projectsCompose[d] is a creative design and digital content agency specializing in social media design, digital assets, and engaging content creation for global brands. Their clients consistently praise them for their creative flexibility, efficient project management, and strong communication skills. With a 100% satisfaction rate, reviewers frequently highlight the team's responsiveness, collaborative nature, and ability to deliver high-quality work that meets or exceeds expectations.
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$5,000+$25 - $49 / hr10 - 49Avaré, Brazil
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See all 8 projectsVistapub is a web development company specializing in full-stack web development, delivering high-quality custom website development and web application solutions. Reviews indicate a 100% positive feedback rate, emphasizing their effective project management, flexibility, and commitment to client satisfaction. Clients particularly appreciate their adaptability and the high level of communication throughout projects.
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$10,000+$50 - $99 / hr10 - 49
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See all 7 projectsWise Engineering is a full-stack web development company specializing in custom website development and web application development. Reviewers highlight their strong communication skills, efficient project management, and quick adaptability, with 100% positive feedback on their ability to deliver polished products swiftly. Their autonomous and innovative approach is particularly praised by clients.
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$5,000+$25 - $49 / hr50 - 249Bikaner, India
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See all 1 projectsiWebwiser is a software and app development company known for building comprehensive end-to-end solutions. They consistently deliver projects ahead of schedule, with 100% of clients appreciating their adaptability and understanding of project briefs. Clients highlight the company's high ratings, budget-friendly pricing, and excellent value for cost.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 1 projectsNetleon Technologies is a web development company specializing in website and mobile app development, known for its high-quality and reliable services. They are praised for their hardworking nature and effective project management, with 100% positive feedback highlighting their ability to meet client specifications and create aesthetically pleasing and user-friendly designs.
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$5,000+$100 - $149 / hr2 - 9Erie, PA
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See all 5 projectsSnowberry Media is a web development company specializing in custom website design and development, offering services such as full-stack web development, web application development, and e-commerce solutions. With a 100% satisfaction rate across reviews, clients consistently commend their timely delivery, effective project management, and ability to communicate technical details clearly. Approximately 80% of reviewers highlight their responsiveness and adaptability to client needs.
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Undisclosed< $25 / hr10 - 49
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See all 36 projectsE2developers is a web development company specializing in custom website and WordPress development. Across all reviews, clients consistently praise their professionalism, effective communication, and ability to deliver projects within deadlines, with over 90% positive feedback emphasizing their design capabilities and proactive project management. Additionally, their client-centric approach and expertise in both front-end and back-end development are frequently highlighted.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
38.5/40.019.2/20 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+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
39.5/40.019.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$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 -
$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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% 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.