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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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 7 projectsBulcode is a web development company specializing in custom website development, web application development, and both front-end and back-end development. The firm is praised for its technical expertise, proactive attitude, and efficient project management, with 100% of reviewers highlighting their strong communication and commitment to client success. They consistently deliver high-quality results, meeting deadlines and exceeding expectations.
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$25,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 28 projectsVault Innovation is a full-service web development company specializing in custom website development, web application development, and full-stack web development. Across their reviews, 90% of clients express satisfaction with their project management, citing timely delivery and effective communication. Additionally, 80% of reviewers commend Vault Innovation’s ability to understand client needs and provide strategic insights beyond technical development.
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$25,000+$100 - $149 / hr10 - 49London, England
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See all 11 projectsSteadfast Collective is a full-stack web development company specializing in custom website development and web application development. Reviews highlight their exceptional professionalism, timely delivery, and strong communication skills, with 100% of clients praising their customer service and responsiveness. Their expertise in both front-end and back-end development ensures seamless project execution, making them a reliable partner for digital solutions.
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$10,000+< $25 / hr50 - 249Frisco, TX
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See all 7 projectsBiz4Solutions is a versatile software development company, specializing in mobile and web application development across various industries. Their reviews reflect a high level of client satisfaction, with over 90% of feedback being positive, highlighting their exceptional project management skills and ability to deliver complex solutions within set timelines. Clients frequently commend their communication, collaboration, and problem-solving abilities, which make them a trusted partner in achieving project goals.
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$10,000+$25 - $49 / hr10 - 49São Carlos, Brazil
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See all 7 projectsLiven is a web development company specializing in custom website development and web application development. They receive consistently positive feedback, with reviewers highlighting their project management, timely delivery, and deep understanding of client needs. Notably, their solutions have led to significant operational improvements, such as reducing task times by 87.5% and achieving 100 paying customers within four months.
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$25,000+$50 - $99 / hr10 - 49Pécs, Hungary
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See all 13 projectsCubicfox is a web development company specializing in custom website development, full-stack web development, and web application development. Their reviews indicate a strong emphasis on responsive design, effective communication, and client engagement, with 100% positive feedback highlighting their professionalism and flexibility. Approximately 75% of reviewers commend their project management, while 50% note their ability to provide innovative solutions.
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$5,000+$25 - $49 / hr50 - 249
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See all 7 projectsOrbixCode is a web development company specializing in creating e-commerce websites and web applications using technologies such as WordPress, PHP, Node.js, and React. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their effective communication, timely delivery, and ability to provide tailored solutions to meet specific client needs. Clients appreciate their professionalism, budget-friendly pricing, and responsiveness to requests.
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$25,000+$200 - $300 / hr10 - 49New York, NY
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See all 4 projectsCompose[d] is a creative design agency specializing in digital content creation for social media, app development, and game development. Clients across diverse industries, such as insurance and beauty, commend their creative flexibility, responsive project management, and ability to elevate brand aesthetics. Over 90% of the feedback highlights their ease of collaboration and high-quality deliverables, making Compose[d] a trusted partner for innovative digital solutions.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsReborn is a full-stack web development company offering services such as website development, web design, and web application development. They are praised for their professionalism and responsiveness, with clients highlighting their ability to deliver high-quality, custom web solutions without templates. Positive feedback comprises 100% of reviews, with 50% specifically noting their impressive project management skills.
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$5,000+$25 - $49 / hr10 - 49Avaré, Brazil
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See all 8 projectsVistapub is a web development company specializing in full-stack web development and custom website development. Their reviews highlight a 100% positive feedback rate, praising their exceptional project management, flexibility, and client-focused approach. Clients frequently commend their technical expertise and the ability to adapt to evolving needs, resulting in successful project deliveries.
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$10,000+$50 - $99 / hr10 - 49
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See all 7 projectsWise Engineering is a web development company excelling in full-stack web development and web application development. Reviews highlight their ability to work autonomously and creatively, with rapid project delivery and effective communication. Impressively, 100% of reviewers express satisfaction, emphasizing their strong engineering skills and collaborative approach.
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$5,000+$25 - $49 / hr50 - 249Bikaner, India
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See all 1 projectsiWebwiser is a software and app development company known for building comprehensive end-to-end solutions. They consistently deliver projects ahead of schedule, with 100% of clients appreciating their adaptability and understanding of project briefs. Clients highlight the company's high ratings, budget-friendly pricing, and excellent value for cost.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 1 projectsNetleon IT Solutions Pvt Ltd is a web development company specializing in Website Development and Web Application Development. The majority of feedback is positive, with clients praising their high-quality work, reliability, and aesthetic design. Approximately 100% of reviewers highlight their hardworking nature and adherence to timelines.
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$5,000+$100 - $149 / hr2 - 9Erie, PA
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See all 5 projectsSnowberry Media is a web development company specializing in custom website development, web design, and e-commerce solutions. With a 100% satisfaction rate from clients, they are praised for their responsive communication and ability to deliver projects on time and within budget. Approximately 80% of reviewers highlight their effective project management and ability to create user-friendly, visually appealing websites.
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Undisclosed< $25 / hr10 - 49
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See all 36 projectsE2developers is a web development agency specializing in custom website development, web application development, and WordPress solutions. Their reviews highlight consistent professionalism, effective communication, and timely delivery. Approximately 90% of clients commend their ability to understand and meet project expectations, while 80% mention their strong project management skills and responsiveness. Positive outcomes include increased website traffic and streamlined processes.
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$50,000+$25 - $49 / hr50 - 249Miami, FL
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See all 15 projectsORIL is a web development company specializing in full-stack web and application development, recognized for its strong project management and technical expertise. Across their reviews, 100% of clients praise their professionalism, timely delivery, and effective communication. ORIL's ability to collaborate flexibly and efficiently with existing teams, while delivering high-quality custom web solutions, consistently impresses their clients.
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$10,000+$25 - $49 / hr50 - 249Córdoba, Argentina
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See all 18 projectsClarika, a web development company, has received predominantly positive reviews for its expertise in website and web application development, as well as its adherence to project timelines and agile methodologies. Notably, 100% of reviewers praised Clarika for their impressive team and communication skills, and 83% highlighted their effective project management and on-time delivery.
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$10,000+$50 - $99 / hr10 - 49Gdańsk, Poland
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See all 17 projectsFNX Group - TYPO3 agency is a specialized web development firm focused on delivering high-quality TYPO3 CMS solutions, including Website Development and Custom Website Development. Across multiple reviews, clients consistently praise FNX Group for their expertise, reliable service, and strong project management. Approximately 90% of feedback highlights their ability to meet deadlines, maintain transparency, and deliver innovative solutions, underscoring their reputation for excellence and reliability in online development.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 9 projectsBlack Flag Creative is a web development company renowned for delivering custom website development and web design services. The reviews highlight their exceptional project management, responsiveness, and ability to create user-friendly, engaging websites. Notably, 100% of reviewers praised their communication and on-time delivery, while 83% emphasized their ability to align with client needs and vision.
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$25,000+$150 - $199 / hr10 - 49Austin, TX
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See all 16 projectsCURTIS Digital, Inc. is a full-service web development company specializing in web application development and custom website development. The firm is highly praised for its technical expertise, responsiveness, and ability to deliver innovative solutions, with approximately 90% of reviews highlighting their strong development skills and excellent client communication. While some clients noted room for improvement in project scheduling, overall satisfaction with their services remains high.
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$10,000+$25 - $49 / hr50 - 249Khmel'nyts'kyi, Ukraine
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See all 12 projectsIT Hoot is a full-stack web development company specializing in custom website development and web application development. The company consistently receives positive feedback, with 100% of reviewers praising their technical expertise, responsiveness, and project management skills. Clients note their ability to act as true technology partners, although some suggest improvements in documentation detail and managing simultaneous product launches.
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$5,000+$50 - $99 / hr2 - 9Mississauga, Canada
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See all 11 projectswise4dev inc. is a web development company that specializes in custom website development, web design, and full-stack web development. Reviews highlight their impressive project management skills, responsiveness, and ability to enhance client satisfaction through tailored solutions. Approximately 90% of clients emphasize wise4dev's attention to detail and effective communication, with many noting significant improvements in website functionality and user experience.
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$50,000+$100 - $149 / hr10 - 49Miami, FL
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See all 10 projectsCobuild Lab Inc is a versatile web development company specializing in custom web app development, including front-end and back-end development. The reviews highlight their strong technical expertise, with 100% noting their effective project execution, and 67% mentioning their commitment to client goals. While communication could be improved, clients consistently appreciate their problem-solving skills and strategic approach.
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Undisclosed$200 - $300 / hr50 - 249
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See all 3 projectsUeno is a creative digital agency known for delivering high-quality design and user experience services. Their work is highly praised, with 100% of reviews highlighting their excellent project management, responsiveness, and strategic creativity. Clients like Dropbox and Reuters TV report significant success and innovation as a result of their partnerships with Ueno, emphasizing their ability to deeply understand client needs and deliver exceptional results.
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$25,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 20 projectsCorpsoft Solutions is a web development company specializing in custom website development, full-stack web development, and web application development. Reviews indicate a strong emphasis on timely delivery, budget adherence, and quality assurance, with 100% positive feedback on project success and effective project management. Approximately 80% of reviewers praised their technical expertise and client-centric approach, although a few noted occasional communication inefficiencies.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 12 projectsCodeshine is a full-stack web development company excelling in web application development, custom website development, and online development solutions. With a focus on technologies like React and Next.js, 100% of their reviews highlight their technical expertise and client-focused approach. Clients uniformly praise Codeshine for their reliability, on-time delivery, and capacity to adapt to changing project requirements.
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$25,000+$100 - $149 / hr10 - 49Rotterdam, Netherlands
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See all 6 projectsLevel Level is a web development company specializing in custom website development, with expertise in WordPress implementation. Across their reviews, clients praise their flexibility, problem-solving attitude, and thorough project management, with a significant emphasis on client-centric approaches. Positive feedback highlights their ability to enhance website functionality and user experience, with an approximate 90% client satisfaction rate. A common theme is their responsiveness and ability to deliver substantial organic traffic growth.
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$1,000+$25 - $49 / hr50 - 249Noida, India
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See all 11 projectsIDS Logic is a web development company specializing in custom website development and full-stack web development services. With a strong focus on WordPress development, they consistently receive positive feedback for their professionalism, responsive communication, and competitive pricing. Clients praise their ability to deliver high-quality, scalable solutions within agreed timelines, with approximately 100% of reviewers highlighting their project management efficiency and technical expertise.
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$5,000+$150 - $199 / hr10 - 49Coquitlam, Canada
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See all 14 projectsBallistic Arts is a comprehensive marketing agency specializing in Website Development, social media management, and content creation. With 100% positive feedback, clients frequently praise their responsiveness and innovation. Notably, 66% of reviewers commend their tailored strategies and commitment to client success, leading to enhanced online presence and improved conversion rates.
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$1,000+$150 - $199 / hr10 - 49Zürich, Switzerland
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See all 4 projectsDivio AG is a web development company specializing in full-stack web development, including front-end and back-end development, often utilizing Django CMS. Overall, feedback is predominantly positive, emphasizing their efficiency, user-friendly solutions, and strong communication skills. Approximately 90% of the reviews highlight their successful handling of complex website redesigns and ongoing maintenance, underscoring their capability in both technical and creative domains.
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$10,000+$25 - $49 / hr50 - 249Uzhhorod, Ukraine
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See all 1 projectsElementica is a development company specializing in both front-end and back-end solutions, notably praised for building business-facing portals. Their reviews reflect a 100% positive feedback rate, highlighting their efficient project management and impressive company culture. Clients appreciate their alignment with company values and cost-effective service offerings.
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$10,000+$50 - $99 / hr10 - 49Katowice, Poland
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See all 50 projectsFooz is a web development company specializing in custom WordPress design and development, with a focus on enhancing user experience and integrating complex functionalities. Their reviews reflect high client satisfaction, with approximately 88% of the feedback highlighting their responsive project management and attention to detail. Many reviewers commend Fooz's ability to deliver scalable and user-friendly solutions, successfully transforming web design challenges into effective online platforms.
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$5,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 53 projectsWeb Design Sun is a web development company that excels in custom website development, full-stack web development, and web design. The company is highly praised for its project management, with over 90% of reviews highlighting timely delivery and effective communication. Clients specifically commend their ability to handle complex projects, such as Shopify and WordPress development, with precision and responsiveness.
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$10,000+$50 - $99 / hr50 - 249Podgorica, Montenegro
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See all 9 projectsBild Studio is a reputable full-stack web development company offering comprehensive web application development services. With 100% of reviewers praising their project management and ability to adeptly handle complex challenges, Bild Studio demonstrates a commitment to delivering scalable, maintainable solutions. Clients consistently highlight their transparency and efficacy, resulting in improved KPIs and successful project completions.
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$10,000+$100 - $149 / hr50 - 249Gamle Fredrikstad, Norway
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See all 12 projectsFrontkom is a web development company renowned for its expertise in offering digital marketing solutions and internet applications. The company has consistently received positive feedback, with clients praising its experienced team and effective project management. Approximately 90% of reviewers highlight their smooth project execution and ability to deliver stable, problem-free systems.
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$10,000+$25 - $49 / hr50 - 249Zagreb, Croatia
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See all 15 projectsPontis Technology d.o.o. is a web development company known for its expertise in Online Development and Web Programming. Reviews highlight their exceptional project management skills and proactive approach, with clients noting a 95% reduction in administrative time and substantial improvements in customer satisfaction. Impressively, 100% of reviewers commend their timely delivery and problem-solving capabilities.
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$10,000+$25 - $49 / hr50 - 249Zaporizhzhia, Ukraine
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See all 5 projectsPixelTeh is a web development company specializing in full-stack web development, web application development, and custom website development. The company consistently receives positive feedback, with 100% of reviewers highlighting their technical expertise, effective project management, and transparent communication. Clients appreciate their ability to deliver projects on time and their professional and responsive project managers.
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$5,000+$100 - $149 / hr2 - 9
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See all 12 projectsBrendly is a web development and design company recognized for its expertise in creating custom websites and ensuring excellent user experiences. They have consistently delivered projects on time, with 90% of reviews highlighting their impressive project management and communication. Clients appreciate their proactive approach, with 70% praising their ability to efficiently address technical challenges and implement client feedback swiftly.
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$5,000+< $25 / hr250 - 999Dhaka, Bangladesh
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See all 1 projectsLeadSoft Bangladesh Limited is an IT application development company specializing in blockchain solutions, as evidenced by their successful development and installation of a blockchain wallet. The company is praised for its professional communication and cost-effective services, achieving project goals on time and within budget. Positive feedback is unanimous, with 100% of reviewers highlighting their professionalism and value.
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$25,000+$25 - $49 / hr50 - 249San Diego, CA
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See all 25 projectsSynergyTop is a web development company that offers comprehensive services, including website development, web design, and SEO. The company has received overwhelmingly positive feedback, with nearly 100% of reviewers praising their technical expertise and responsiveness. Approximately 80% of clients highlight their exceptional project management and communication skills. SynergyTop consistently delivers projects on time, adapting swiftly to client needs and technological demands.
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$1,000+$50 - $99 / hr2 - 9Miami, FL
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See all 7 projects1111 Media Group is a web development company offering Website Development, SEO, and Digital Marketing services. They have consistently delivered on time and exceeded expectations, resulting in a 185% increase in B2B leads. Clients highlight their strong project management and responsive communication, with 100% positive feedback.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 3 projectsVerve Systems Pvt. Ltd. is a web development company specializing in custom website development and web application development using technologies like WordPress, PHP, and Laravel. The firm is praised for its efficient and responsive project management, with approximately 100% of reviewers highlighting their fast delivery and quality work. Clients commend their communication skills and ability to address issues promptly.
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$25,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 9 projectsLeanyLabs is a full-stack web development company specializing in custom web application development and front-end and back-end solutions. Reviews indicate high satisfaction, with approximately 100% positive feedback, highlighting their professionalism, responsiveness, and attention to detail. Clients commend their quick problem-solving, strong communication, and ability to deliver quality results on time within budget.
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$10,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 10 projectsAOD.space is a full-stack web development company specializing in custom website development and web application development. Client feedback is overwhelmingly positive, with 100% of reviewers praising their project management and innovative solutions. They are highly commended for their teamwork, responsiveness, and ability to meet deadlines, though some suggest expanding their design capabilities.
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$5,000+$150 - $199 / hr10 - 49Klagenfurt am Wörthersee, Austria
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See all 4 projectsdMorpheus is a full-stack web development company specializing in custom website development and web design. Reviews indicate a 100% positive feedback rate, highlighting their technical expertise, timely delivery, and responsiveness to client needs. Clients commend their ability to create dynamic and regionally-focused websites, though they suggest clearer scope definitions to manage costs.
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$10,000+$25 - $49 / hr50 - 249Palo Alto, CA
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See all 25 projectsKoderspedia Solutions is a comprehensive web development company specializing in Website Development and Custom Website Development, with a strong focus on creating user-friendly and responsive designs. Across their reviews, clients consistently highlight their professionalism, timely delivery, and commitment to client satisfaction. Impressively, nearly 100% of reviewers commend their personalized approach and quality of work, illustrating their dedication to exceeding client expectations.
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$1,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 5 projectsSphinxly is a web development company specializing in custom website development and web design, known for their responsive and proactive project management. With a 100% positive feedback rate, clients commend their ability to align closely with project goals and deliver appealing websites that stand out in competitive markets. Notable for their effective communication and adaptability, they ensure client satisfaction while fostering ongoing collaboration.
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$10,000+$150 - $199 / hr10 - 49Kitchener, Canada
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See all 10 projectsStryve Digital Marketing is a web development company specializing in custom website development and online marketing solutions. The reviews highlight a 100% positive response, noting their exceptional project management, communication, and ability to articulate complex concepts clearly. Clients appreciate their creativity, discipline, and alignment with company values.
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$5,000+$50 - $99 / hr50 - 249Bogotá, Colombia
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See all 11 projectsANTPACK is a versatile web development company excelling in custom website development and full-stack web development, often praised for its strong project management and collaborative approach. With 100% positive feedback, clients value ANTPACK's technical expertise, proactive support, and ability to deliver projects on time, frequently highlighting their commitment to enhancing user experience and meeting digital objectives.
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$5,000+$25 - $49 / hr50 - 249Noida, India
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See all 1 projectsTecOrb Technologies Pvt. Ltd. is a full-stack web development company offering services from UX/UI design to front-end and back-end development. Client reviews highlight their exceptional project management, responsiveness, and quality of work, with 100% positive feedback emphasizing attention to detail and commitment to delivering a successful product.
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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.