Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 91 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development and engineering service provider specializing in full-stack web development and custom website development. The company consistently receives positive feedback, with approximately 95% of reviews highlighting their high-quality developers and management excellence. Clients frequently commend their project management skills and responsiveness, making them a reliable partner for complex web programming and online development projects.
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$5,000+$25 - $49 / hr10 - 49Multan, Pakistan
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See all 11 projectsCyberify is a web development company excelling in custom website development, full-stack web development, and web application development. Reviews indicate 100% positive feedback, highlighting their responsiveness, timely delivery, and ability to exceed project expectations. Approximately 50% of reviewers mention impressive value and a strong focus on business solutions.
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Undisclosed$50 - $99 / hr2 - 9Bootle, England
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See all 2 projectsMoji Studio Tech is a web development company specializing in custom website development and full-stack web development services. Reviews highlight their excellent project management and ability to deliver complex, tailored websites, with 100% of feedback being positive. Clients appreciate their alignment in company values and good value for cost.
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$1,000+$25 - $49 / hr2 - 9Odesa, Ukraine
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See all 1 projectsPixelfreight is a web development company specializing in services like website development, web design, and SEO optimization. They successfully delivered a project involving custom website development and CRM integration within one month. Client feedback shows 100% satisfaction, highlighting their industry expertise, project management skills, and value for cost.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsDot One Technology is a web development company specializing in custom website development and web design services. According to their reviews, they receive approximately 100% positive feedback, with clients praising their meticulous attention to detail, client satisfaction, and effective project management. The company is noted for delivering responsive and user-friendly websites, with enhanced SEO and performance optimization.
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$1,000+$25 - $49 / hr2 - 9Velykyi Kuchuriv, Ukraine
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See all 1 projectskode.software is a web development company specializing in frontend design and development, particularly for SaaS products. Based on the reviews, 100% of clients express satisfaction with the quality and cost-effectiveness of their work. They are praised for their strong communication skills and flexibility, although some feedback suggests initial clarity could be improved in project requirements.
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$5,000+$100 - $149 / hr10 - 49East Greenwich, RI
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See all 3 projectsMythic Digital, LLC is a web development company specializing in Custom Website Development and Full-Stack Web Development, particularly using Drupal and JavaScript. Reviews indicate a 100% positive feedback on their ability to deliver high-quality, timely projects with strong communication and impressive technical expertise. Clients appreciate their broad knowledge and the value they deliver, although some suggest improving communication schedules early in the project.
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$1,000+$50 - $99 / hr10 - 49West Bromwich, England
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See all 1 projectsAl-Junaid Agency is a specialized development company known for creating tailored AI tools. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their technical expertise and responsive project management. Clients particularly appreciate their ability to bring visions to life with precision, contributing to significant user growth and satisfaction.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 4 projectsWama Software, a web development company, specializes in website development and web programming. Their services have been highly praised, with 100% positive feedback emphasizing their effective communication and technical expertise. Clients appreciate their ability to deliver modern, secure websites while providing ongoing support and improvements.
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$10,000+$25 - $49 / hr2 - 9Panipat, India
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See all 4 projectsKodetra Technologies Pvt. Ltd. is a versatile technology company specializing in web and app development and branding solutions. Reviews emphasize their professionalism and effective communication, with 100% of clients noting positive experiences. Clients appreciate their ability to integrate ideas and execute projects promptly, although minor feedback suggests potential enhancements in interface design and availability during specific time zones.
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$5,000+$25 - $49 / hr2 - 9Tunis, Tunisia
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See all 10 projectsWeaveLines is a full-stack web development company specializing in custom website and web application development. With a notable emphasis on quality and efficient project management, 100% of reviewers praised their rapid development, adaptability, and detailed communication. Clients consistently reported satisfaction with budget adherence and the proactive approach of WeaveLines, highlighting their commitment to client visions and long-term operational efficiency.
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$5,000+< $25 / hr10 - 49Jaipur, India
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See all 2 projectsPixel Point Technology offers comprehensive Website Development and Web Design services. Reviews highlight their ability to consistently deliver complex projects on time and their effective project management characterized by constant communication. Clients appreciate their skill in transforming ideas into functional websites, often noting their impressive programming capabilities and timely execution.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 4 projectsAppsTechy Private Limited is a web development company specializing in website maintenance, upgrades, and custom website development. Their reviews reflect a 100% satisfaction rate, highlighting their competence in web programming, timely project delivery, and dedication to customer satisfaction. Clients commend their responsiveness and adaptability, with no significant areas for improvement noted.
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$100,000+$300+ / hr10 - 49Morningside, Australia
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See all 2 projectsMetrix is a digital solutions company specializing in website development and marketing strategies. They received overwhelmingly positive feedback, with clients noting a 400% increase in leads and a 150% rise in sales. Reviewers consistently praised their agile project management and effective communication, with 100% highlighting ease of collaboration and satisfaction with the results.
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$10,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 2 projectsCodeTiburon is a software development company specializing in custom web and mobile application development. Reviewers commend CodeTiburon for their technical proficiency, organizational skills, and partnership approach, with around 90% highlighting their strong project management and communication, although some mention resource limitations and higher costs compared to competitors. Overall, clients express satisfaction with CodeTiburon's quality of work and their commitment to finding solutions.
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$10,000+$50 - $99 / hr2 - 9
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See all 7 projectsPinro is a web development company known for its expertise in both front-end and back-end development. They have received overwhelmingly positive feedback, with clients praising their technical proficiency and dedication, including their willingness to work beyond standard hours. Approximately 90% of reviewers highlight their excellent project management and ability to build close client relationships, ensuring tailored website development solutions.
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$5,000+$100 - $149 / hr2 - 9Alexandria, VA
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See all 2 projectsPRÜF creative is a web development company specializing in custom website development and web design, with expertise in WordPress platforms. Clients consistently praise their clear communication and timely delivery, noting improvements in website functionality and SEO. 100% of reviewers highlight the visually pleasing results and enhanced ease of managing website content.
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$25,000+$50 - $99 / hr10 - 49Victoria, Argentina
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See all 21 projectsBlackBox Vision is a full-stack web development and web application development company known for delivering high-quality, customized solutions. Across reviews, 100% of clients praised their technical expertise, project management skills, and ability to meet deadlines. The firm’s ability to align with client values and provide exceptional communication and empathy were highlights in 80% of the feedback.
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$10,000+$25 - $49 / hr10 - 49Noida, India
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See all 3 projectsiByte Infomatics is a web development company excelling in custom website development and full-stack web development services. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their communication skills, responsiveness, and ability to integrate seamlessly with project teams. Their technical expertise in platforms like React, Laravel, and WordPress is frequently highlighted.
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$5,000+$25 - $49 / hr10 - 49
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See all 9 projectsKorsa Agency is a web development company specializing in redesigning and rebuilding eCommerce websites. With a strong focus on communication and timely delivery, they received 100% positive feedback for their comprehensive design, development, and deployment services. Clients particularly appreciate their alignment of company values and effective project management.
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Undisclosed< $25 / hr10 - 49Kozhikode, India
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See all 5 projectsWiinnova Software Labs is a full-stack web development company specializing in front-end and back-end development, particularly for complex web solutions. Reviews highlight their impressive team spirit, open communication, and high-quality coding, with 100% of feedback praising their timely deliverables and effective collaboration. However, there is room for improvement in the speed of resource ramp-up.
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$5,000+< $25 / hr10 - 49Jaipur, India
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See all 3 projectsYorviTech Solutions Pvt. Ltd. is a web development company specializing in custom website development and web application development. They demonstrate strong project management skills and effective communication, as evidenced by 100% of reviewers highlighting their clear communication and flexibility. Clients commend their ability to exceed targets and deliver detailed work efficiently, with no significant areas for improvement noted.
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$5,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 1 projectsSemalt is an SEO agency that provides robust digital marketing services. The reviews indicate a positive reception, with approximately 90% of clients expressing satisfaction. Clients frequently commend their professionalism and results-driven approach, although some mention language barriers. Overall, Semalt is seen as effective in enhancing online visibility and business automation.
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$1,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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See all 2 projectsCycles is a marketing design company specializing in creating marketing assets such as one-pagers, landing pages, and social media assets. Feedback is overwhelmingly positive, highlighting their speed, quality, and effective project management, with 100% of reviewers expressing satisfaction and no areas for improvement mentioned.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 15 projectsTechnoBrains Business Solutions LLP is a web development company specializing in custom website development, web application development, and integration solutions. Across reviews, they are praised for their excellent project management, high-quality deliverables, and ability to cater to industry-specific needs. Approximately 80% of reviews highlight their professional communication and effective solutions, with no significant areas for improvement reported.
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Undisclosed$50 - $99 / hr2 - 9
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See all 1 projectsUbisource is a talent acquisition company renowned for providing nearshore sourcing solutions and aligning candidates with cultural and business needs. They consistently deliver high-quality resources promptly, with 100% of reviews highlighting their dependability and cultural alignment. Clients appreciate their thoroughness and minimal oversight requirements, with no areas identified for improvement.
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$1,000+< $25 / hr2 - 9Indore, India
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See all 5 projectsGreenTurban Website && Mobile APP Development is a web development firm specializing in WordPress customization and web design. The company receives positive feedback for its efficient, high-quality service and swift communication, with 100% of reviewers praising their quick response times and project delivery. Notably, 75% of clients highlight their professionalism and ease of communication.
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$25,000+$50 - $99 / hr10 - 49Poznań, Poland
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See all 5 projectsX-ONE is a web development company specializing in custom website development, full-stack web development, and web application development. The reviews highlight their exceptional project management and communication skills, with 100% of clients expressing satisfaction in these areas. Clients also appreciate their ability to deliver complex solutions on time and within budget, making X-ONE a trusted digital partner.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsTech Swamy is a web development company specializing in serverless solutions and custom web application development. Their expertise in AWS Amplify and Angular frameworks is highlighted in reviews, with 100% of clients praising their technical skills and responsiveness. Clients specifically commend their ability to deliver projects on time and their collaborative approach.
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$10,000+$25 - $49 / hr10 - 49New Delhi, India
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See all 3 projectsNoisiv Consulting is a web development company specializing in Website Development and Full-Stack Web Development services. They have received overwhelmingly positive feedback, with 95% of deliverables completed on time, and are praised for their innovative solutions and strong client relationships. Several reviewers noted their personalized approach, with 66% mentioning the founder's direct involvement in projects.
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$1,000+$25 - $49 / hr10 - 49Alicante (Alacant), Spain
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See all 2 projectsWebExito is a Web Development company specializing in creating custom websites from scratch, with a focus on Web Design and Web Programming. Reviewers highlight the company's effective communication and understanding of client needs, with 100% positive feedback on their collaborative approach and ability to deliver professional, well-designed websites tailored to business models and sector-specific requirements.
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$1,000+Undisclosed10 - 49Little Waltham, England
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See all 4 projectsVisibility SEO is an SEO agency that specializes in optimizing website content and managing Google Search Console to improve search engine rankings. Reviews highlight their effective SEO strategies, resulting in higher Google rankings and increased traffic. Impressively, 100% of feedback indicates timely project delivery and adaptability to Google's updates, with no suggested areas for improvement.
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$5,000+$50 - $99 / hr10 - 49Rawalpindi, Pakistan
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See all 14 projectsGenesis Engineering is a distinguished web development company specializing in front-end and back-end web development, mobile app solutions, and custom website development. With an impressive 100% positive feedback rate, clients consistently commend their technical expertise, attention to detail, and commitment to quality. Many reviewers highlight their exceptional project management skills and ability to exceed expectations by delivering tailored, user-friendly, and efficient web solutions.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 3 projectsSoftpers is a Web Development firm specializing in Full-Stack Web Development, Custom Website Development, and Web Application Development. Their reviews are overwhelmingly positive, with clients highlighting their rapid response speed, strong project management, and commitment to addressing issues promptly, though some have noted room for improvement in English language skills.
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$10,000+$25 - $49 / hr10 - 49Gliwice, Poland
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See all 9 projectsitSilesia is a web development company praised for its reliable and high-quality software development services, particularly in Web Application Development and Custom Website Development. With 100% positive feedback, clients commend their excellent communication, trustworthiness, and skilled team. They are recognized for delivering quality work at a reasonable pace, focusing on ongoing improvement and technical excellence.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 5 projectsBase X Tech is a web development company specializing in custom website development and Shopify solutions. Reviews highlight their exceptional project management, proactive communication, and the ability to deliver personalized and technically sound solutions. With 100% positive feedback, 67% of reviewers emphasize their innovative approach to web programming and development, leading to improved conversion rates and user engagement.
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$10,000+$100 - $149 / hr10 - 49Austin, TX
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See all 1 projectsVertex is a web development company offering comprehensive services such as branding, website development, and custom plug-ins. They excel in delivering professional web solutions with 100% positive feedback, noted for their proactive communication and ability to enhance business image and credibility through thoughtful recommendations.
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$1,000+$25 - $49 / hr250 - 999Dubai, United Arab Emirates
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See all 1 projectsOIS Solutions is a Web Development company specializing in Web3 development, offering services such as smart contracts and NFT marketplace development. Their reviews highlight a strong commitment to timely delivery and customer satisfaction, with 100% of reviewers praising their responsiveness and technical expertise, though some suggest improvements in initial communication and documentation.
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$5,000+$25 - $49 / hr50 - 249Surat, India
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See all 7 projectsIdentixweb Limited is a comprehensive web development company known for delivering custom website development and design services. Overwhelmingly positive reviews highlight their impressive customer service, affordable pricing, and a well-rounded team capable of handling diverse tasks efficiently. Approximately 90% of clients commend their ability to create functional and user-friendly websites tailored to specific needs.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsebenstar is a specialized web development company offering services such as website development, web design, and custom website development. The company has received 100% positive feedback from clients, highlighting their technical knowledge, timely delivery, and exceptional customer service. Reviewers frequently commend their ability to improve user experience and enhance website aesthetics.
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$1,000+$100 - $149 / hr2 - 9Moulton Park, England
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See all 1 projectsZestcode Digital is a web development company specializing in custom website development and full-stack web development, notably delivering high-quality WordPress websites. The reviews reflect a 100% positive sentiment, highlighting their effective communication, depth of knowledge, and impressive project outcomes, with websites loading 40-60% faster than standard methods.
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$5,000+$50 - $99 / hr10 - 49Zielona Góra, Poland
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See all 4 projectsCODETAIN is a web development company specializing in web and application development, with a focus on custom website development and full-stack web development. The reviews highlight their efficiency and reliability, with 100% positive feedback on their successful implementation of a Magento shop migration and excellent communication. Reviewers also praise their dynamic approach and quick response times.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 5 projectsHK Infosoft is a web development company specializing in custom website and web application development, exhibiting expertise in both front-end and back-end development. Feedback highlights their efficient project management, with 100% of reviews noting timely delivery and strong communication. Clients appreciate their proactive approach and collaboration, with 67% mentioning impressive customer service and attention to detail.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 4 projectsTecxar Consultants specializes in Website Development and Mobile App Development, providing clients with clean, user-friendly websites and apps. Reviews highlight their professional communication, adherence to timelines, and insightful understanding of client needs, resulting in increased business and customer satisfaction. Clients commend their proactive approach and ability to deliver attractive and functional digital solutions.
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$1,000+Undisclosed2 - 9Ibadan, Nigeria
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See all 1 projectsBlueMatrix Technologies is a web development company specializing in creating interactive and functional websites for clients, including nonprofit organizations. The company receives positive feedback, with 90% of reviewers praising their response system, technical expertise, and understanding of client needs. Notably, 80% of reviewers highlight their effective communication and project management capabilities.
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$1,000+$25 - $49 / hr10 - 49Abuja, Nigeria
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See all 6 projectsBrandGeko is a versatile company specializing in mobile app development, UX/UI design, and digital marketing services. They are recognized for their budget-friendly pricing, responsive communication, and commitment to meeting client expectations. With a 100% positive feedback rate, clients appreciate their ability to deliver quality work on time and their willingness to go the extra mile, with 80% highlighting their excellent communication and project management skills.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsDevSymmetrix is a quality assurance and software testing company recognized for its meticulous approach to identifying and fixing software bugs. In their reviews, 100% of clients commend their thoroughness and effective communication, highlighting an impressive collaboration experience devoid of language barriers. DevSymmetrix consistently delivers trustworthy results, fostering client confidence in their comprehensive testing capabilities.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 1 projectsCodeBites is a web development company specializing in custom website development and web application development. Reviewers highlight their efficient project delivery, with 100% of feedback indicating timely and effective solutions. Their expertise in integrating diverse data types and providing seamless cross-platform solutions is particularly praised.
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$50,000+$100 - $149 / hr50 - 249
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See all 15 projectsKAI Software is a web development company specializing in custom website development and full-stack web development solutions. The feedback is overwhelmingly positive, with clients appreciating their technical expertise and responsiveness, as well as their ability to meet project milestones and handle complex web application development efficiently. Approximately 100% of clients noted their professional project management and willingness to accommodate changes.
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$5,000+< $25 / hr1,000 - 9,999San Francisco, CA
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See all 5 projectsAppTecHub is a versatile company offering Website Development, Web Design, and Full-Stack Web Development, with additional services in SEO and social media marketing. Clients praise their professionalism, timely delivery, and transparent communication. Approximately 100% of reviewers express satisfaction, highlighting their technical expertise and reasonable pricing as significant strengths.
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$5,000+$50 - $99 / hr10 - 49Prague 5, Czech Republic
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See all 2 projectsPassion Communications is a boutique creative agency specializing in innovative communication strategies and digital marketing solutions. The agency is praised for its creativity, speed, and personalized approach, with 100% positive feedback highlighting increased sales and improved market presence for clients. Some reviews noted initial challenges with managing multiple demands but also acknowledged improvements over time.
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
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We evaluate service providers using a structured methodology that combines:
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.7/40.018.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
39.1/40.019.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.2/40.019.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.1/40.016.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.1/40.018.2/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+$50 - $99 / hr10 - 49Covina, CA
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
55% Web Development80% JavaScript45% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.3/40.018.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249L'viv, Ukraine
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Web Development40% JavaScript70% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$25,000+$50 - $99 / hr10 - 49Wrocław, Poland
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development70% JavaScript60% Other
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.