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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$1,000+Undisclosed10 - 49Ho Chi Minh City, Vietnam
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See all 16 projectsHitek Vietnam is a prominent web development company recognized for its full-stack web and mobile application development services. With over 80% of feedback highlighting their dedication, technical expertise, and timely delivery, they are praised for their deep understanding of business and technical needs and proactive project management. A minor area for improvement is the provision of more proactive documentation.
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$25,000+$25 - $49 / hr10 - 49Bishkek, Kyrgyzstan
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See all 8 projectsReviro is a web development company specializing in custom website and full-stack web development, showcasing expertise in both front-end and back-end development. Across reviews, 100% of clients express satisfaction with their project outcomes, highlighting Reviro's attention to detail, commitment to timely delivery, and effective communication. Notably, 67% of clients commend their responsiveness and professionalism in managing projects.
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$5,000+$25 - $49 / hr10 - 49Ivano-Frankivsk, Ukraine
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See all 6 projectsWeb Deluxe is a web development company with a strong focus on designing and developing high-conversion landing pages and websites. The overall feedback from their reviews is overwhelmingly positive, with reviewers praising their professionalism, effective communication, and seamless project management. Notably, 100% of reviewers highlighted their expertise in enhancing conversion rates and delivering projects on time.
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Undisclosed$50 - $99 / hr10 - 49
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See all 8 projectsDotinum is a versatile web development company specializing in e-commerce solutions and custom software development. According to client reviews, Dotinum is highly praised for its professionalism, reliability, and expertise, with a 100% positive feedback rate. Clients commend their innovative solutions and efficient project management, although some suggest enhancing communication and face-to-face interactions for long-term projects. Overall, Dotinum is recognized for its ability to meet and exceed client expectations.
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$5,000+$50 - $99 / hr10 - 49Wah, Pakistan
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See all 6 projectsElexoft Technologies is a web development company specializing in custom website and web application development. The company is praised for its cost-effective solutions, excellent communication, and timely delivery, with 100% of the reviews highlighting their technical expertise and quality of work. Clients appreciate their project management skills and honesty, with suggestions for growth focusing on expanding their talented team.
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$1,000+$50 - $99 / hr2 - 9George, South Africa
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See all 3 projectsCRT Digital is a versatile web development company specializing in custom website development, social media management, and digital branding. Reviews highlight their punctuality, innovative approach, and strong client relationships, with 100% positive feedback emphasizing their work ethic and creativity. Approximately 67% of reviewers highlight their ability to deliver on time and adapt to client needs.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 7 projectsZeppelin Labs is a full-stack web development company specializing in custom website development and web application development. The company received overwhelmingly positive feedback, with 100% of reviews highlighting their adaptability and effective communication. Clients commend their ability to meet strict deadlines and deliver high-quality web programming solutions, although some noted challenges with project changes and costs.
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$1,000+$50 - $99 / hr10 - 49Montréal, Canada
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See all 16 projectsAlgoseed Labs is a versatile web development company specializing in custom website development, web application development, and web programming. The company has garnered positive feedback, with 100% of reviews highlighting their impressive project management and technical capabilities. Clients commend Algoseed Labs for their timely delivery, effective communication, and dedication to meeting project goals, with many emphasizing their flexibility and expertise in handling complex web development projects.
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Undisclosed$100 - $149 / hr2 - 9Nashville, TN
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See all 2 projectsDesignUps is a web development company specializing in custom website development and front-end development. Reviews highlight their expert project management, delivering projects on time and within budget, with 100% of clients appreciating their collaborative approach and technical proficiency. Their ability to integrate seamlessly with client workflows and provide polished, high-performance websites is consistently praised.
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$100,000+$100 - $149 / hr50 - 249Québec, Canada
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See all 5 projectsVooban is a company specializing in Web Development and Custom Website Development, delivering high-end resources and solutions in diverse sectors including fintech and defense. The reviews highlight their strengths in project management and technical expertise, with 100% positive feedback regarding their professional approach and dynamic team spirit. Clients appreciate their adaptability and integration into Agile Scrum teams, though minor improvements in industry-specific negotiations are suggested.
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$1,000+< $25 / hr10 - 49Pune, India
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See all 13 projectsiB Arts Pvt. Ltd. is a proficient web development company, excelling in Web Design, Full-Stack Web Development, and SEO optimization. With a strong emphasis on project management and client responsiveness, they consistently deliver high-performance solutions, demonstrated by 100% positive feedback and on-time project completions. Approximately 80% of reviews highlight their technical expertise and adaptability, endorsing them for complex web development needs.
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$5,000+$150 - $199 / hr2 - 9Charlotte, NC
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See all 3 projectsRight Here Interactive is a specialized web development company known for its exceptional expertise in custom website and web application development. They have consistently demonstrated outstanding project management and communication skills, with 100% of reviewers praising their ability to handle complex technical challenges and deliver quality results. Their responsive and professional approach has earned them long-term trust and satisfaction from clients.
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$1,000+$25 - $49 / hr10 - 49Burwood East, Australia
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See all 9 projectsAndout is a web development company specializing in Web Design and Custom Website Development, utilizing WordPress technology. Reviews indicate a high level of customer satisfaction, with 100% of clients highlighting their effective communication and timely project delivery. Clients also appreciate the team's expertise in creating professional and SEO-friendly websites, resulting in significant improvements in conversion rates and lead generation.
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$25,000+$100 - $149 / hr10 - 49Berlin, Germany
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See all 4 projectsApe Unit is a versatile digital agency specializing in web and app development, live streaming, content management, and design solutions. Across their reviews, 100% of clients appreciated their flexibility, strategic input, and professional execution. While one client suggested slight improvements in quality review, the overall satisfaction remains high, with app ratings between 4.5 and 5, showcasing their commitment to delivering quality digital solutions.
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$5,000+$50 - $99 / hr10 - 49
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See all 6 projectsStrategixDesign is a web development company specializing in web and mobile app design, offering services such as custom website development and web application development. With 100% positive feedback, clients commend their innovative features, effective project management, and fair pricing. However, some suggest expanding their working hours to better accommodate clients' schedules.
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$10,000+$150 - $199 / hr10 - 49London, England
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See all 1 projectsFhoke is a web development company known for its creativity and speed in delivering high-quality digital marketing projects and brand refresh services. They have been praised for their excellent project management and ability to align with client values, with 100% positive feedback from reviewers highlighting their seamless communication and impressive results.
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$1,000+< $25 / hr2 - 9
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See all 10 projectsOnion Applications is a web development company that specializes in a range of services including Website Development, Web Design, and Custom Website Development. Across their reviews, clients consistently highlight their efficiency and responsiveness, with 100% of feedback noting timely delivery and high customer satisfaction. Their personalized approach and adaptability are frequently praised, making them a reliable partner for web programming and online development projects.
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$1,000+< $25 / hr10 - 49
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See all 8 projectsBay20 Software Consultancy Services P L is a web development company specializing in Magento updates, website development, and programming. They have received highly positive feedback, with clients praising their speed, professionalism, and expertise. Notably, 100% of reviewers commend their ability to deliver projects quickly and effectively, resulting in substantial business improvements, such as a 500% increase in online sales for one client.
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$10,000+$150 - $199 / hr2 - 9Norwalk, CT
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See all 5 projectsAustin Lawrence Group offers comprehensive web development, web design, and digital marketing services, including strategy creation, content development, and campaign execution. Reviews highlight their proactive project management, timely delivery, and extensive marketing expertise. Clients appreciate that the Austin Lawrence Group team functions as an integral part of their marketing departments, driving notable business growth without any areas for improvement mentioned.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsPoxPen Software Development specializes in Custom Website Development and Full-Stack Web Development, with a focus on creating user-friendly and efficient web solutions. Reviews indicate a 100% positive feedback rate, highlighting their precise understanding of client needs, timely delivery, and professional project management. Clients commend their ability to enhance user experience and streamline complex processes using advanced web technology.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsDigiature Technology is a web development company specializing in custom software solutions, such as MLM software development. The reviews reflect a high level of client satisfaction, with 100% of feedback highlighting timely delivery and effective project management. Clients particularly appreciate their specialized approach, which significantly enhances operational efficiency and compliance.
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$10,000+$25 - $49 / hr50 - 249
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See all 6 projectsBravado Solutions, a technology solutions company, specializes in developing AI-driven platforms and IoT-powered systems, and offers cloud-based integrations for a diverse range of industries. The company garners overwhelmingly positive feedback, with clients commending their expertise in AI, project management, and prompt adaptability, resulting in an average efficiency improvement of 30–40% and enhanced customer satisfaction across projects.
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$1,000+< $25 / hr10 - 49Hyderabad, India
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See all 2 projectsKKEYDOS INFO TECH PVT LTD is a web development company specializing in custom website development and full-stack web development. Reviews highlight their professionalism, technical expertise, and dedication, with 100% of reviewers appreciating their willingness to adapt and address feedback promptly. While communication is noted as an area for improvement, their overall commitment to client satisfaction remains commendable.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 2 projectsJ2ML Infotech specializes in Website Development, providing IT consulting and software development services. Reviews highlight their effective communication, promptness, and sincerity. Clients appreciate the quality deliverables and budget-friendly pricing, indicating overall satisfaction with J2ML Infotech’s services.
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$1,000+$25 - $49 / hr10 - 49Perai, Malaysia
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See all 6 projectsZoewebs is a comprehensive web development company specializing in Website Development and digital marketing services. They have received predominantly positive feedback, with clients praising their responsive service and professional expertise. Approximately 80% of reviewers highlight their effective project management and communication, although a few mention room for improvement in technical execution.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsCerdonis Technologies LLC is a mobile app development company known for its strong customer-focused approach and effective project management. Reviews indicate a high level of client satisfaction, with 100% positive feedback emphasizing their flexibility, timely communication, and ability to meet project requirements. Clients appreciate their ability to quickly understand complex source code and deliver tailored solutions efficiently.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 2 projectsCreatix Technologies specializes in Website Development and Web Design, with a particular forte in online gaming platforms. Reviews highlight their technical expertise, attention to detail, and client-centric approach. Clients commend their excellent project management, timely delivery, and effective communication, underscoring a commitment to high-quality, innovative solutions. Overall, client satisfaction is notably high, with positive feedback on their professionalism and ability to meet and exceed expectations.
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$1,000+$25 - $49 / hr2 - 9
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See all 4 projectsSpecialCase Software Solutions is a web development company specializing in web application development and custom website development. Their services include full-stack web development, front-end and back-end development, and design integration. Feedback indicates a high level of client satisfaction, with timely project completion and effective project management frequently mentioned, and 100% of the reviews convey positive experiences.
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$10,000+< $25 / hr10 - 49Noida, India
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See all 10 projectsUcodice Technologies Private Limited is a web development company specializing in custom website development, web application development, and ongoing website maintenance. With a focus on effective communication and fast delivery, they have garnered positive feedback for their ability to enhance website traffic and streamline client project management, with 100% of reviewers highlighting their excellent communication skills and project efficiency.
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$5,000+$100 - $149 / hr10 - 49Berlin, Germany
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See all 3 projectsBananapie GmbH is a Flutter development company praised for its exceptional communication and teamwork. The reviews consistently highlight their reliable delivery of high-quality features and effective remote collaboration. With 100% positive feedback, clients appreciate their ability to integrate seamlessly into existing teams and their openness to innovative problem-solving approaches.
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$10,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 16 projectsToXSL Technologies Pvt Ltd is a web development company that excels in delivering comprehensive website and custom web application development services. Reviews highlight their effective communication, detailed project management, and punctual delivery, with 100% positively noting their flexibility and customer-centric approach. Clients appreciate their keen eye for detail and commitment to high-quality code and service.
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$25,000+$100 - $149 / hr50 - 249Houston, TX
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See all 4 projectsAdcetera is a professional web development company that excels in Web Design and Web Programming, as highlighted by their successful website refresh project. Reviews indicate 100% positive feedback, with clients noting increased web traffic and praising Adcetera's cultural fit and effective project management.
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$10,000+$50 - $99 / hr50 - 249Os, Norway
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See all 5 projectsBetter Soft Services is a proficient web development company specializing in full-stack web development, including .NET and React solutions. With 100% positive feedback, clients commend their high qualification, flexibility, and ability to meet deadlines effectively while maintaining quality. Their agile project management ensures smooth collaboration, making them a reliable partner for custom website and web application development projects.
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$1,000+$100 - $149 / hr10 - 49Vancouver, WA
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See all 4 projectsDreamsToLife, LLC is a web development company specializing in custom website development, web design, and web programming. Feedback across reviews indicates that 100% of clients appreciate their fast turnaround, responsiveness, and expertise, particularly in HubSpot integration. While some mention high costs, 100% of reviewers agree on the quality and timeliness of deliverables, emphasizing their value in achieving project goals.
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$5,000+$25 - $49 / hr2 - 9Poznań, Poland
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See all 2 projectsPluscode specializes in Website Development and Web Design, consistently delivering exceptional website layouts and functionality. Client feedback highlights their meticulous approach, timely project management, and strong communication skills, emphasizing their commitment to achieving the best possible outcomes and customer satisfaction.
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$10,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 1 projectsBARREK Group is a web development company excelling in both design and backend development, particularly noted for their swift delivery. While feedback is predominantly positive regarding their technical capabilities, with emphasis on their expertise in backend development using NodeJS and NextJS, 100% of reviewers highlighted the need for improved communication.
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$5,000+$50 - $99 / hr2 - 9Miami, FL
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See all 3 projectsHyperion Saas LLC specializes in Website Development and Web Design, delivering tailored online development solutions. Clients consistently praise their ability to deliver projects on time, their professional communication, and the impressive value they provide for the cost. The company's friendly approach and excellent customer support further enhance their reputation as a reliable partner for web programming needs.
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Undisclosed$100 - $149 / hr10 - 49Bountiful, UT
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See all 2 projectsFluid Advertising is a marketing and digital advertising firm specializing in creating comprehensive marketing strategies, digital campaigns, branding, and online ecosystem development. The company receives positive feedback for its effective project management and strategic approach, with 100% of reviewers noting their professionalism and dedication. While some clients desire more initially precise creative outputs, Fluid's openness to feedback and improvements over time are highly commended.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 1 projectsWebsbaba Technologies Pvt.Ltd. is a web development company specializing in website design and development, along with digital marketing services. The company has been praised for delivering affordable and effective solutions, with clients highlighting notable improvements in online reach and brand presence. Approximately 80% of feedback emphasizes their quick and efficient development work.
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$5,000+$50 - $99 / hr10 - 49
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See all 8 projectsInigra - Software House is a web development company known for its expertise in web design, website development, and web optimization. The company has received 100% positive feedback, with clients highlighting their effective project management, timely delivery, and ability to tailor solutions to specific business needs. Their commitment to enhancing online presence and user experience is consistently praised.
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$1,000+$25 - $49 / hr10 - 49
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See all 3 projectsLemon.io is a staffing agency specializing in connecting businesses with vetted software engineers, primarily from Ukraine. Reviews highlight their ability to provide skilled offshore developers efficiently, with an emphasis on security and reliability, making them a popular choice. Approximately 100% of clients appreciate their service quality, although some suggest improvements to their online dashboard for enhanced functionality.
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Undisclosed$25 - $49 / hr10 - 49
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See all 3 projectsCloutSoft Technologies is a Web Development company specializing in Website Development and Web Design. The company consistently receives positive feedback, with 100% of reviewers highlighting their efficiency, communication, and problem-solving capabilities in delivering projects on schedule and within budget.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 5 projectsCleverDev Software is a web development company excelling in custom website development, including web and mobile applications, with a focus on logistics, healthcare, and finance industries. Clients consistently praise their professional project management, innovative solutions, and timely delivery, with over 90% of reviews highlighting their effective communication and cost-effective strategies.
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$25,000+$50 - $99 / hr2 - 9Wilmington, DE
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See all 1 projectsIonio is a technology firm specializing in AI-powered SaaS solutions for B2B demand generation and marketing automation. Their reviews are overwhelmingly positive, with 100% of clients highlighting their effective integration of AI technology and proactive communication. Clients praise Ionio for enhancing efficiency and productivity, noting a significant reduction in time spent on administrative tasks and impressive improvements in sales team productivity.
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$5,000+< $25 / hr10 - 49Indore, India
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See all 8 projectsShanti Infosoft LLP is a web development company specializing in custom website development and web application development. Their reviews highlight a strong focus on meeting client needs with flexibility and budget-friendly solutions. Notably, 100% of reviewers appreciate their willingness to adapt and support client objectives, though time zone differences occasionally presented communication challenges.
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$5,000+< $25 / hr10 - 49Karachi, Pakistan
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See all 1 projectsGeeksVisor is a web development company specializing in full-stack web development, website redesign, and search engine optimization. Based on client feedback, 100% of reviews highlight their exceptional creativity, communication, and professionalism, with an emphasis on successful project execution and delivering results beyond expectations. The team’s ability to increase website traffic and enhance user experience is frequently praised.
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Undisclosed< $25 / hr2 - 9
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See all 4 projects92 Design is a proficient agency specializing in Website Development and Web Design, delivering innovative online solutions. Client reviews consistently highlight the company's exceptional communication, attention to detail, and effective project management. Customers commend 92 Design for creating cutting-edge websites that align with business objectives, demonstrating expertise in UI/UX design and eCommerce development, resulting in increased customer satisfaction and sales.
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$10,000+$25 - $49 / hr50 - 249Karachi, Pakistan
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See all 10 projectsV8 Digital Solutions is a web development company specializing in comprehensive web design and development services, including full-stack, front-end, and back-end development. Their exceptional project management and innovative approach have been commended, with 100% of reviewers highlighting their responsive communication and ability to meet deadlines, leading to increased website traffic and improved conversion rates.
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$10,000+$150 - $199 / hr2 - 9Philadelphia, PA
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See all 2 projectsSyncware Technologies, Inc. is a versatile software development company specializing in creating custom web and mobile applications. The company's reputation is highly favorable, with 100% positive reviews highlighting Markus's exceptional design skills and effective communication. Clients commend his ability to transform visions into reality and appreciate the company's efficiency in addressing business challenges. However, a desire for improved project milestone management was noted.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsDeskcode Solution Pvt. Ltd. specializes in Website Development, offering services such as mobile app development and web programming, with a focus on creating seamless cross-platform functionality. Reviews highlight their excellent project management, responsiveness, and capability in delivering user-friendly, effective solutions, although there is room for improvement in scalability, documentation, and training provision.
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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.