Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$10,000+$50 - $99 / hr10 - 49Austin, TX
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See all 15 projectsArcanium Ventures is a full-stack web development company specializing in custom website and web application development. They have consistently impressed clients with their responsive communication, ability to adapt to unique challenges, and budget sensitivity. With an overall positive feedback rate of approximately 90%, 85% of reviewers highlighted their impressive project management and technical expertise.
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$25,000+$100 - $149 / hr10 - 49New York, NY
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See all 8 projectsJAKT is a web development and design company specializing in custom website development, branding, and user experience. Their clients commend the outstanding quality of their work, with 100% of reviewers highlighting their professionalism and design expertise. The company is praised for its project management skills and ability to translate brand concepts into effective website designs.
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$1,000+< $25 / hr10 - 49Chhapi, India
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See all 1 projectsValuda's Tech Park is a web development company that specializes in creating customized web solutions, including online development platforms. With 100% of reviews highlighting their exceptional project management and problem-solving skills, the company is praised for delivering user-friendly platforms tailored to client needs. Clients appreciate their ability to suggest improvements and ensure timely delivery, although minor enhancements like personalized interfaces could be considered.
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$5,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 7 projectsYellowchalk Design is a UI/UX design studio known for creating intuitive and visually appealing user interfaces. Across reviews, clients emphasize their expertise, commitment, and flexibility, with 100% of reviewers expressing satisfaction with their work and highlighting their effective communication and problem-solving skills. A notable 80% of reviewers commend the team's responsiveness and dedication to exceeding expectations, often mentioning the active involvement of the company's founders.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 6 projectsDataMix is a full-stack web development company specializing in custom website development and web application development. They have garnered overwhelmingly positive feedback, with clients praising their organization, timely delivery, and exceptional communication skills. Approximately 90% of reviewers highlight the team’s helpfulness, easy communication, and commitment to project goals.
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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 16 projectsBliss Web Solution Pvt. Ltd is a web development company specializing in custom website development, web design, and web programming. Clients commend their professional project management and technical expertise, highlighting their response speed and commitment to quality. Reviews are overwhelmingly positive, with 100% expressing satisfaction, 40% noting impressive communication, and 20% emphasizing their solution-oriented approach.
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$25,000+< $25 / hr50 - 249ho chi minh city, Vietnam
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See all 4 projectsLogix Technology is a custom website development company specializing in full-stack web and software application development. With commendable proficiency in web programming, 100% of reviewers praise their agile project management and responsiveness. Clients highlight their technical expertise in front-end development using ReactJS and back-end development with NodeJS, noting their knowledgeable and accommodating team culture.
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$5,000+$25 - $49 / hr50 - 249Kakkanad, India
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See all 18 projectsSayOne Technologies is a multifaceted web development firm that excels in backend and custom website development, notably utilizing Python and Django. The company receives predominantly positive feedback, with 100% of reviewers praising their technical prowess and dedication. Many clients appreciate their project management skills, though some suggest enhancing frontend creativity and communication.
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$25,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 13 projectsEthervision is a versatile app and web development company with a strong focus on customer satisfaction and project management. The company has consistently received positive feedback, with approximately 100% of clients praising their responsiveness and dedication to delivering high-quality products. Reviewers often highlight Ethervision's ability to effectively communicate, meet deadlines, and provide innovative solutions tailored to specific business needs. Ethervision's expertise spans across various industries, specializing in mobile and web applications for both iOS and Android platforms.
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$5,000+$50 - $99 / hr2 - 9Sombor, Serbia
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See all 3 projectsUpment is a web development company specializing in enhancing website performance, particularly on Magento platforms. Garnering 100% positive feedback, clients appreciate their swift communication and effective solutions, notably improving site loading times and reducing bounce rates significantly. Their expertise in full-stack web development and commitment to client satisfaction make them a reliable partner for custom website development needs.
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$1,000+< $25 / hr2 - 9Surat, India
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See all 4 projectsZillion Infotech is a web development company specializing in custom website development, featuring services like front-end and back-end development. Across their reviews, 100% of clients praised their fast turnaround times and cost efficiency, although some noted room for improvement in communication and technical skills among junior developers.
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$1,000+Undisclosed2 - 9L'viv, Ukraine
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See all 7 projectsGnome agency is a web development company specializing in custom website development and online development services. With consistently positive feedback from clients, 100% of whom praised their professionalism, responsiveness, and flexibility in accommodating changes, Gnome agency is commended for delivering projects on time and within budget, resulting in improved client engagement and business growth.
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$5,000+$25 - $49 / hr10 - 49Gainesville, FL
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See all 12 projectsWebX Technologies is a web development company excelling in custom website development and design. Their reviews highlight a 100% satisfaction rate regarding timely delivery, responsive communication, and exceptional creativity. Clients frequently praise their professionalism, effective communication, and ability to work within budgets, with approximately 80% mentioning their impressive skill set and positive customer experiences.
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$1,000+$25 - $49 / hr2 - 9Kharkiv, Ukraine
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See all 10 projectsKrock Digital Solutions is a web development company highly praised for its Website Development and design services. Across their reviews, 100% of clients highlight their professionalism, timely delivery, and dedication to capturing the essence of a client's brand. Notably, 75% of reviewers commend their communication and project management skills, emphasizing their ability to exceed expectations consistently.
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$1,000+$25 - $49 / hr10 - 49
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See all 5 projectsThe Moon Digital Agency The Moon Digital Agency is a specialized web development company excelling in full-stack web development and custom website development. With a 100% positive feedback rate, clients praise their streamlined processes and adaptability. Approximately 50% of reviewers highlight their ability to deliver modern, responsive designs that accurately reflect corporate identities and project visions.
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 1 projectsADAT Soft Solutions is a web development company renowned for its ongoing website development, optimization, and enhancement services. The company has received exclusively positive feedback, with clients appreciating their intuitive approach and effective project management. Notably, 100% of reviewers highlight their reliability and hassle-free collaboration in web development projects.
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$5,000+$50 - $99 / hr2 - 9Abu Dhabi, United Arab Emirates
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See all 4 projectsYeswedoweb is a web development company specializing in custom website development and web design. The overall feedback is overwhelmingly positive, with clients praising their understanding of project needs, impressive design capabilities, and efficient project management. Approximately 100% of reviewers highlight their successful delivery and innovative approach, with no areas for improvement mentioned.
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$25,000+$25 - $49 / hr10 - 49Burgas, Bulgaria
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See all 3 projects42px is a software development company specializing in front-end development with expertise in React and Typescript. The company consistently meets client expectations, with 100% of reviewers noting successful project outcomes such as timely delivery and bug-free implementations. Clients praise their agile project management approach, highlighting seamless integration with existing teams and effective communication throughout the project lifecycle.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 4 projectsTechnisia is a proficient company specializing in Web Development and software integration services. With 100% positive feedback, clients commend their effective project management, timely deliverables, and solid technological expertise. Their services include Custom Website Development, Web Application Development, and mobile app integrations using technologies like WordPress, Laravel, and React Native.
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$10,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 2 projectsResty applications is a Web Development company known for its expertise in developing Wordpress websites with custom API integrations. The reviews highlight a 100% positive feedback rate, emphasizing the team's clear communication, punctuality, and strategic planning. Clients particularly appreciate their insightful guidance and smooth project deployments, contributing to ongoing successful collaborations.
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$50,000+$50 - $99 / hr50 - 249Sheridan, WY
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See all 2 projectsMVPRockets is a full-stack Web Development company specializing in building MVPs and complex platforms. Clients commend their strong team culture, responsiveness, and ability to deliver high-quality products under tight deadlines. Approximately 100% of reviews highlight their cultural alignment and partnership approach, emphasizing their ongoing support and impressive leadership.
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$10,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 2 projectsTechnowis is a web development company specializing in custom website development and web application development. With a strong focus on automating processes, they received 100% positive feedback for their timely delivery and effective communication. Notably, 50% of reviews praised their ability to save significant operational time and streamline onboarding processes.
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$1,000+< $25 / hr10 - 49
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See all 13 projectsBit Technologies - London is an expert in custom website development and full-stack web development. Reviews highlight their technical expertise, innovative solutions, and strong project management skills. Notably, 100% of feedback is positive, emphasizing their responsiveness and ability to deliver high-quality, tailored web solutions that meet complex client needs effectively.
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$1,000+< $25 / hr250 - 999Ciudad Autonoma de Buenos Aires, Argentina
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See all 5 projectsArbusta is a service provider specializing in quality assurance, manual testing, and software development, including AI and machine learning projects. Across their reviews, 100% of clients express satisfaction with Arbusta's clear communication, adaptability, and efficiency in project management, often exceeding expectations. Clients consistently highlight their technical expertise and collaborative approach, emphasizing Arbusta's role as a valuable partner in achieving project goals.
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$10,000+$25 - $49 / hr10 - 49Banja Luka, Bosnia and Herzegovina
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See all 5 projectsLogik Labs is a web development company specializing in web programming and both front-end and back-end development. Reviews highlight their adaptability and punctuality, with 100% of feedback being positive and noting their expertise in managing complex data integration, leading to enhanced operational efficiency and improved workflows for clients.
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$10,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 2 projectsPanorbit Services LLP is a versatile company specializing in custom website development and web application development, as well as offering additional services like product design and online publishing. Across their Clutch.co reviews, 100% of feedback is positive, highlighting their timeliness, responsiveness, and ability to deliver results that enhance user engagement and satisfaction. Their commitment to creative problem-solving and technical expertise is consistently praised by clients.
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$5,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 3 projectsIstellar Private Limited is a software development company with expertise in fintech and cloud-based solutions, offering services including app development and content management systems. The company has received overwhelmingly positive reviews, with 100% of clients praising their timeliness, communication, and flexibility. Clients notably appreciate their project management skills and responsiveness, making collaboration seamless and highly efficient.
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$1,000+$25 - $49 / hr50 - 249Surat, India
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See all 24 projectsIBL INFOTECH is a versatile web development company specializing in custom website development, web application development, and online development services. The company consistently receives positive feedback for its professionalism, proactive communication, and ability to deliver projects efficiently, with no negative feedback reported across reviews. Clients frequently commend their seamless project management and the notable increase in user engagement and conversions post-project.
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$5,000+$25 - $49 / hr2 - 9Kraków, Poland
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See all 3 projects3Step is a web and mobile app development company renowned for its projects in cultural and heritage documentation. The company has received overwhelmingly positive feedback for its flexibility, creativity, and professionalism, with approximately 95% of reviews highlighting their responsiveness and ability to incorporate client feedback. Clients appreciate their creative use of graphic elements and their commitment to project deadlines.
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$10,000+$25 - $49 / hr2 - 9Warszawa, Poland
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See all 3 projectsFOSTER_IT is a distinguished web development company specializing in Front-End Development and Custom Website Development. The firm consistently receives positive feedback, with reviewers praising their attention to detail and exceptional communication. Notably, 100% of reviews highlight their effective project management and rapid response to client needs, showcasing their ability to deliver high-standard solutions swiftly.
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$5,000+< $25 / hr50 - 249
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See all 6 projects12Grids - The Customer Experience Technology Company is a web development and digital marketing agency specializing in website design, development, and SEO optimization. They consistently received positive feedback, with 100% of reviewers highlighting their effective project management and responsiveness. Notably, clients reported significant increases in organic traffic and lead generation, with one citing a 50% rise in organic traffic within three months.
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$1,000+$25 - $49 / hr10 - 49Philadelphia, PA
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See all 2 projectsExadot is a web development company specializing in Website Development, Web Design, and UX/UI design. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery, attention to detail, and high-quality deliverables. Clients are particularly impressed with the user experience and aesthetics, leading to happy employees and customers.
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$100,000+$100 - $149 / hr10 - 49
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See all 2 projectsLivex Software is a web development company specializing in designing and maintaining e-commerce websites. The feedback is overwhelmingly positive, with clients praising their professionalism, efficiency, and the high quality of their designs. Notably, 100% of reviewers express satisfaction with their project management and delivery timelines, resulting in ongoing partnerships and strong recommendations.
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$25,000+$25 - $49 / hr10 - 49Vancouver, Canada
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See all 10 projectsArora Technologies Pvt Ltd. is a full-stack web development company specializing in custom website development, web application development, and back-end development. Clients consistently praise their responsiveness, project management effectiveness, and attention to detail, with over 85% of reviews highlighting their excellent communication and timeliness. Many reviewers emphasize the company's ability to understand and meet specific client needs, making them a reliable choice for web development projects.
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$1,000+$25 - $49 / hr10 - 49Astana, Kazakhstan
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See all 3 projects23Devs is a reputable web development company specializing in comprehensive web application development, including full-stack and custom website development services. Their work is highly praised for superior project management and communication, with reviews consistently highlighting their proactive problem-solving and client-focused approach. Impressively, 90% of feedback is positive, noting their timely delivery and innovative solutions.
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$1,000+$25 - $49 / hr10 - 49Leesburg, VA
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See all 18 projectsFocusteck is a web development company specializing in services such as custom website development, web application development, and full-stack web development. Across multiple reviews, clients have praised their responsiveness and ability to deliver professional web solutions, with approximately 80% of reviewers highlighting their effective project management and communication skills. However, some feedback suggests room for improvement in following directions and managing time zone differences.
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$5,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 1 projectsApptycoons is a web development company specializing in web application development and online development services. Their reviews highlight their technical expertise, proactive approach, and timely project delivery, with 100% of reviewers noting their impressive technical capabilities and responsiveness. This suggests a strong fit for projects requiring custom website and full-stack web development.
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$1,000+$50 - $99 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 2 projectsHatch2Web IT Solutions is a web development company known for its expertise in web design and website development. They receive positive feedback for their responsiveness, quick communication, and efficient project delivery, with 100% of reviewers highlighting their satisfaction and ease of collaboration.
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$25,000+$150 - $199 / hr10 - 49
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See all 4 projectsCrux Digital is a full-stack web development company specializing in front-end development and web application architecture. The company receives overwhelmingly positive feedback, praised for their project management, communication, and flexibility. Notably, 100% of reviewers highlight their strategic input and ability to accelerate development timelines effectively.
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$10,000+$100 - $149 / hr10 - 49Carlton, Australia
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See all 1 projectsBlitzm Systems Pty Ltd is a specialized IT development company focused on solution architecture and development with expertise in Microsoft software tools and cloud services. The reviews reflect a 100% positive sentiment, highlighting their flexibility, agility, and professional alignment with clients' needs. Reviewers particularly commend their non-rigid, adaptable approach in project delivery.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsCode24x7 is a web development company known for its proficient development work and strong project management skills. According to the review, 100% of the feedback was positive, citing timely delivery and effective communication as standout features. Reviewers frequently praised the company's alignment with client values and the communication and knowledge of the founder, Neeraj.
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$5,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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See all 2 projectsKalyna.Studio is a web development company known for Custom Website Development, Web Design, and Full-Stack Web Development. Reviews highlight their professional project management, with 100% of clients noting on-time delivery and high technical standards. Their unique focus on client satisfaction and transparent processes is consistently praised.
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$1,000+$25 - $49 / hr10 - 49Indore, India
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See all 1 projectsVIT Web Development Pvt. Ltd. is a web and mobile app design and development company known for its effective project management and open communication. All reviewers positively highlighted the team's ability to meet client requirements, with 100% expressing satisfaction and no areas for improvement identified.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsQDev Technolab is a web development company specializing in custom website development and web application development. Their reviews highlight an impressive development turnaround time and a strong understanding of business logic, with 100% of feedback noting timely delivery and project success.
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$25,000+Undisclosed10 - 49Bengaluru, India
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See all 6 projects1985 is a web development company specializing in maintaining and enhancing existing digital platforms, including web and iOS mobile applications. Overall, the feedback is positive, with clients appreciating their flexibility and adaptability. While there were minor communication issues, 1985's responsiveness to feedback led to noticeable improvements, highlighting their commitment to client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 2 projectsKodin Soft provides Website Development and Web Programming services, specializing in the enhancement of e-commerce platforms. Overall feedback highlights the company's professionalism, clear communication, and ability to understand and address client needs efficiently. Clients appreciate their effective project management style and the prompt resolution of issues.
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$5,000+$25 - $49 / hr10 - 49Odesa, Ukraine
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See all 1 projectsSingularika is a technology company specializing in AI-enabled solutions for lead generation and customer engagement. The overall feedback from clients indicates a high level of satisfaction, with praise for their understanding of project scope and provision of innovative alternatives. The company is highly recommended by clients, with no negative feedback reported in the reviews provided.
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 18 projectsSystechlogic is a web development company offering services such as Website Development, Front-End Development, and Custom Website Development. Reviews highlight their professionalism and strong communication skills, with approximately 90% of feedback being positive. Clients appreciate their dedication and ability to meet project requirements on time, with 60% of reviewers emphasizing their impressive adaptability and diverse skill set.
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$5,000+$50 - $99 / hr2 - 9
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See all 6 projectsLAION is a web development company renowned for its creativity and innovative technological solutions, offering services such as website design and online development. The company achieved a 100% positive feedback rate, with clients highlighting their contribution to significantly increasing business bookings and praising their timely and precise project management.
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Undisclosed$100 - $149 / hr10 - 49St. Louis, MO
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See all 2 projectsRoundedcube is a web development company specializing in Website Development, Web Design, and Back-End Development. Their clients commend them for their dedication and responsiveness, with 100% of reviews highlighting positive user feedback and significant project success. While some improvements in handling minor tasks were noted, their expertise in Sitecore and custom web solutions is praised consistently.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.