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+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 19 projectsXeven Solutions is a versatile company specializing in web development, web design, and app development, with a strong focus on healthcare and e-commerce platforms. The reviews indicate a high level of satisfaction among clients, noting their impressive communication and project management skills, with around 75% of reviewers praising their adaptability and responsiveness. Clients consistently commend their ability to deliver comprehensive, user-friendly solutions.
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$50,000+$100 - $149 / hr10 - 49Des Moines, IA
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See all 4 projectsWe Write Code is a web development company specializing in custom web application development, as demonstrated through their work with the Iowa Donor Network. The reviews highlight their excellence in project management, communication, and delivering impressive results, with 100% of the feedback being positive. Their commitment to understanding client needs and their high-level integrity are frequently praised.
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$5,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 10 projectsRipeSeed is a web development company specializing in full-stack web development, web application development, and custom website development. They consistently receive positive feedback, with 100% of reviewers impressed by their communication, culture, and problem-solving abilities. Areas for improvement include progress reporting and technical documentation. RipeSeed’s projects have led to successful outcomes, such as a 50% reduction in processing time for one client.
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$5,000+$25 - $49 / hr50 - 249
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See all 5 projectsXtreme Technologies is a comprehensive web development company specializing in custom website development, web design, and full-stack web development solutions. With a 100% positive feedback rate, clients commend their effective project management, excellent customer service, and ability to transform complex requirements into user-friendly web solutions. Notably, 75% of reviewers highlighted their seamless communication and ability to deliver projects on time and within budget.
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$5,000+$50 - $99 / hr10 - 49Ho Chi Minh, Vietnam
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See all 1 projectsSaigon Digital is a web development company excelling in custom website development and optimization for user experience. With 100% positive feedback, clients appreciate their proactive approach and alignment in company values. Notably, they successfully enhance traffic and user engagement for B2B platforms, as highlighted in their reviews.
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$5,000+$100 - $149 / hr50 - 249Wilmington, DE
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See all 10 projectsAppKong is a web development company specializing in custom website development, web design, and full-stack web development. Their professional team is praised for delivering projects on time, maintaining clear communication, and offering a client-oriented approach. Approximately 100% of reviews commend their quality, transparency, and effective project management, highlighting their ability to understand client needs and provide turnkey solutions.
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$10,000+$50 - $99 / hr10 - 49
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See all 4 projectsDibrand LLC is a web development company specializing in full-stack web development and custom website development. Reviews highlight their attention to detail, professionalism, and effective communication, with over 90% of feedback being positive. Clients reported significant business improvements, such as a 25% sales increase, and appreciated Dibrand LLC's cultural fit and practical solutions.
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$5,000+$25 - $49 / hr10 - 49Panchkula, India
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See all 3 projectsRudra IT Networks is a web development company specializing in custom website and web application development. Highly praised for timely delivery and effective project management, 100% of reviewers commend their expertise in handling complex web programming tasks. Furthermore, their ability to communicate effectively despite time zone differences and language barriers is frequently highlighted.
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$5,000+$200 - $300 / hr2 - 9Lawrence, KS
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See all 1 projectsREVSYS is a Web Development company specializing in Custom Website Development, Web Application Development, and platform maintenance. Reviews highlight a 100% positive feedback rate, emphasizing their creativity, problem anticipation, and excellent project management. Clients praise their ability to deliver within budget and appreciate their strong alignment with client values.
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$5,000+< $25 / hr50 - 249Noida, India
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See all 12 projectsB2C InfoSolutions is a web development company offering services like Website Development, Web Design, and Full-Stack Web Development. Feedback on Clutch reveals mixed reviews, with approximately 50% highlighting communication and project delays as major issues, while the other half praises their flexibility and quality in design and execution. Despite challenges in management and delivery for some clients, others found B2C InfoSolutions' approach and final outcomes satisfactory.
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$25,000+$50 - $99 / hr10 - 49Khmel'nyts'kyi, Ukraine
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See all 18 projectsRexsoft Inc. is a reputable web development company specializing in full-stack web application development, custom website development, and web design. They consistently receive positive feedback, with approximately 95% of clients praising their professionalism, timely project delivery, and effective communication. Notably, around 80% of reviews highlight their exceptional project management and responsiveness, making them a preferred choice for businesses seeking reliable online development solutions.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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See all 2 projectsPATIO Interactive Inc is a dynamic Web Development company specializing in innovative AR/VR solutions for diverse business needs. With a focus on custom experiences like training simulations and 360 walkthroughs, they have a strong reputation, with 100% of feedback highlighting their cutting-edge innovation and impactful project management, particularly for large organizations.
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$50,000+$50 - $99 / hr50 - 249Iași, Romania
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See all 2 projectsExpert Network is a software development company specializing in Microsoft and .NET technologies. Reviews highlight their creativity, flexibility, and strong project management skills. Approximately 90% of reviewers praise their effective communication and ability to meet deadlines, while 70% commend the diverse and well-trained team. Overall, Expert Network is recognized for improving service quality and maintaining long-term client relationships.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsSoftvery Solutions specializes in Web Development and Web Application Development, delivering high-quality, intuitive web and mobile applications. The company is consistently praised for its collaborative approach and strong technical expertise, with 100% of reviewers highlighting their seamless integration with in-house teams and commitment to timelines and quality.
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$10,000+$100 - $149 / hr50 - 249Norfolk, VA
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See all 6 projectsTechArk Solutions is a web development company specializing in web design and custom website development. Reviews highlight their efficiency, technical proficiency, and speed, with 100% positive feedback from clients. Notably, clients commend their ability to deliver clean, fast-loading designs and increase organic traffic, demonstrating expertise in front-end and back-end development.
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$1,000+$100 - $149 / hr2 - 9Painesville, OH
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See all 2 projectsSoftware Prophets is a versatile development company specializing in custom application and mobile app development. Reviews reveal a 100% satisfaction rate, with clients praising their technical expertise, dedication, and responsiveness. Eric, the primary contact, is noted for his exceptional knowledge and ability to translate complex ideas into successful projects, making Software Prophets a reliable partner for diverse technological needs.
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$25,000+$100 - $149 / hr2 - 9Fitzroy, Australia
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See all 12 projectsAtlasopen is a web development company specializing in Website Development and Web Programming, offering services such as Full-Stack Web Development and Custom Website Development. Across reviews, 100% of clients praised their effective communication and personalized service, with 75% highlighting their creativity in problem-solving. Notably, 50% of reviewers appreciated their ability to understand complex project needs quickly.
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$10,000+$50 - $99 / hr10 - 49Ghaziabad, India
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See all 4 projectsDroot is a web development company specializing in Website Development and Web Design, noted for its professional and responsive team. With a 100% positive feedback rate, clients commend Droot for their alignment with company values, comprehensive project management, and high-quality designs, as well as their ability to meet project deadlines and offer ongoing support.
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$5,000+< $25 / hr50 - 249Newry, Northern Ireland
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See all 11 projects3rd Digital primarily offers Website Development, Web Design, and full-stack Web Application Development services. With a strong client approval rating evident by 100% positive feedback, the company is praised for its on-time delivery, customer-focused approach, and excellent value for money. Clients consistently highlight their impressive communication, integrity, and ability to address complex project needs effectively.
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$10,000+$25 - $49 / hr10 - 49
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See all 11 projectsTeqdeft is a distinguished web development company, specializing in comprehensive website and web application development, including front-end and back-end solutions. Reviews highlight a seamless blend of technical expertise and collaborative project management, with 100% of feedback emphasizing effective communication and innovative solutions. Clients noted significant improvements in website traffic, UX, and SEO, showcasing Teqdeft’s ability to deliver modern, user-friendly digital transformations.
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Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
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See all 13 projectsSeta Workshop is a full-stack web development company specializing in web application development, custom website development, and web design. They consistently deliver high-quality work with a strong focus on client satisfaction, evidenced by positive feedback in 100% of reviews. Clients frequently praise their professionalism, project management, and impressive attention to design detail, which enhances the user experience.
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$1,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 31 projectsDevTalents is a full-service web development company, excelling in Website Development, Web Application Development, and Custom Website Development. They have garnered positive feedback across diverse projects, with approximately 90% of reviews highlighting their proactive communication and expertise in user experience design. Reviewers frequently commend their ability to deliver projects on time and within budget, reflecting a strong commitment to quality and client satisfaction.
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$100,000+$100 - $149 / hr10 - 49Poreč, Croatia
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See all 10 projectsInfosit is a versatile web development company specializing in website development, custom web solutions, and full-stack web development. They excel in project management and timely delivery, with clients consistently praising their ability to meet deadlines and maintain high standards. Approximately 70% of the reviews highlight their expertise in backend web development and their exceptional capability to integrate advanced technology, leading to significant increases in client revenue.
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$1,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 3 projectsCodetribe Solutions Pvt Ltd is a web development company specializing in full-stack web and app development, offering front-end to back-end programming services. With a 100% positive feedback rate, reviewers emphasize their excellent project management, diverse skill sets, and dedication to client satisfaction, consistently delivering projects on time and within budget.
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$1,000+$25 - $49 / hr2 - 9Pune, India
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See all 9 projectsFantastech Solutions is a web development company highly praised for its expertise in custom website development and full-stack web development services, primarily using WordPress. Reviews indicate a strong focus on timely delivery, excellent communication, and technical proficiency, with 100% of reviewers expressing satisfaction with their services. Clients consistently highlight the team's integrity and ability to manage complex projects efficiently.
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$10,000+$200 - $300 / hr2 - 9Gahanna, OH
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See all 7 projectsBrave Little Beast is a web development company renowned for comprehensive website and brand development services, including custom and full-stack web development. With 100% positive feedback, clients consistently praise their strategic approach, timely delivery, and exceptional customer service. Approximately 60% of reviewers highlight their impressive work culture and alignment with client values.
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$1,000+$50 - $99 / hr10 - 49London, England
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See all 6 projectsCodener is a web development company specializing in custom website development and online development services. The company consistently receives positive feedback, with reviewers praising their responsiveness, affordability, and ability to deliver projects on time. Approximately 100% of reviewers commend Codener's project management and communication skills, highlighting their dedication to client satisfaction and seamless user experience in website development and design.
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$5,000+$25 - $49 / hr50 - 249Chandigarh, India
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See all 6 projectsRowthTech, a web development and SEO company, has received overwhelmingly positive feedback for their comprehensive online development services. With 100% positive reviews, clients commend their structured approach to website revamping and SEO strategies, highlighting significant improvements in search visibility and long-term growth potential. Their commitment to client education and timely delivery further underscores their professional excellence.
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$10,000+$50 - $99 / hr2 - 9Zagreb, Croatia
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See all 9 projectsNorth2 is a web development company specializing in custom website development and web design. The overall feedback from their reviews is overwhelmingly positive, with 100% of reviewers highlighting their professionalism and innovative design approach. Clients commend North2's ability to capture their vision and deliver unique, visually appealing websites, contributing to enhanced brand perception and increased engagement.
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$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 9 projectsWhite Label is a proficient web development company specializing in custom website development, full-stack web development, and web application development. The company receives positive feedback for its commitment and agility, with approximately 90% of reviews highlighting their effective project management and ability to meet tight deadlines and budgets. They excel in integrating complex systems, as noted by 70% of reviewers.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 1 projectsZBS Tech is a technology development company specializing in crypto and fintech solutions. With a focus on full-stack development, they are praised for their domain expertise and efficient project management, delivering over 90% of features on time. Approximately 90% of feedback highlights their expertise, clear communication, and cultural alignment, though some mention the need for improved junior developer oversight.
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$10,000+$25 - $49 / hr10 - 49Chişinău, Moldova
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See all 4 projectsCorLab Tech is a web development company specializing in custom website development, web application development, and UX/UI design services. With 100% positive feedback, clients commend their professional project management, including effective communication and timely delivery. Approximately 50% of reviewers highlight their expertise in web programming and the seamless integration of bespoke functionality.
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$10,000+$25 - $49 / hr10 - 49Ho Chi Minh City, Vietnam
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See all 1 projectsJAMstack Vietnam is a versatile web development company offering a comprehensive range of services, including UI/UX design, AI software development, and SEO. With 100% positive feedback, reviews highlight their exceptional project management, responsiveness, and ability to exceed expectations, making them a trusted and efficient partner in custom website development and online development projects.
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$1,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 10 projectsAvelts is a web development company specializing in custom website development and web design. Across their reviews, 100% of clients praised their responsiveness, flexibility, and on-time delivery, highlighting Ida's effective communication. Approximately 83% of reviewers appreciated their ability to incorporate client feedback seamlessly, while 67% emphasized their excellent project management and problem-solving skills.
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$10,000+$50 - $99 / hr10 - 49Coimbra, Portugal
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See all 2 projectsMappitall is a geospatial services company that specializes in GIS solutions and technical support for various projects, including asset management and mapping applications. Their clients commend them for their punctuality, expertise, and commitment, with 100% of reviewers highlighting successful project delivery within budget and on time, and noting their impressive communication and problem-solving capabilities. The company is highly recommended for its dedication, especially in challenging circumstances.
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Undisclosed< $25 / hr10 - 49London, England
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See all 5 projectsIsland wizards is a web development company specializing in custom website development, including web design and full-stack web programming. They have received overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness, attention to detail, and commitment to customer service. Clients highlight their ability to deliver projects on time and within budget, consistently meeting or exceeding expectations.
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$5,000+$25 - $49 / hr10 - 49Kelowna, Canada
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See all 6 projectsStreamline Healthcare is a custom software development company with expertise in healthcare and fintech solutions. Clients appreciate their economic pricing and value their sales acumen, with 80% highlighting their impressive business process insights and international reach. While their project management is praised for communication, some reviews suggest improvements in follow-up and project tracking.
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$50,000+$150 - $199 / hr10 - 49Evanston, IL
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See all 6 projectsRed Squirrel Technologies is a web development company noted for its expertise in web programming and online development. Across all reviews, 100% of clients praised their seamless integration into existing teams and their exceptional project management, emphasizing their ability to exceed expectations and deliver timely results. Clients also highlighted their strong company culture and alignment of values.
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$100,000+$150 - $199 / hr50 - 249New York, NY
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See all 4 projectsStride Consulting is a collaborative software development company specializing in web application development and augmenting engineering teams. Their services are marked by a strong Agile approach, facilitating high-quality, maintainable work products. Reviews indicate a 100% satisfaction rate with their ability to integrate seamlessly into existing teams and rapidly adapt to client needs, although there's a noted variance in engineer experience levels.
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$1,000+$25 - $49 / hr2 - 9
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See all 5 projectsA&T-studio is a web development company specializing in high-quality website development and web design services. They are highly regarded for their professionalism and efficiency, with 100% of reviewers expressing satisfaction with the timely and quality delivery of services. Clients commend their excellent project management, responsive communication, and technical expertise, leading to a stress-free experience.
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$25,000+$50 - $99 / hr10 - 49Trento, Italy
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See all 1 projectsBelka is a web development company known for its expertise in frontend development, UX development, and web application development. Reviews highlight their strong alignment with client values, proactive communication, and focus on business improvement. With 100% positive feedback, Belka is praised for being an ideal partner in scaling growth and enhancing user experience.
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$5,000+$150 - $199 / hr50 - 249Shelton, CT
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See all 10 projectsYork & Chapel is a web development company renowned for its expertise in website development, web design, and custom website solutions. The company consistently receives positive feedback, with clients praising its professionalism, responsiveness, and ability to deliver on time and within budget. Approximately 100% of the reviewers highlighted their excellent client service and project management skills. York & Chapel is recognized for going above and beyond to meet client needs, offering tailored solutions and innovative web programming.
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$10,000+$50 - $99 / hr10 - 49
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See all 8 projectsAlsyke Technologies is a proficient web development company specializing in full-stack web development, custom website development, and web application development. With 100% positive feedback, clients commend their skilled developers, smooth communication, and impressive responsiveness. Their expertise in both front-end and back-end development is particularly noted for bringing projects to life and integrating seamlessly with existing teams.
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$100,000+$150 - $199 / hr10 - 49Evanston, IL
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See all 9 projectsPalantir.net is a highly-regarded web development company specializing in custom website development, particularly using the Drupal platform. Reviewers consistently praise their expertise and attention to detail, with approximately 90% reporting increased website traffic and enhanced usability. Clients also highlight their effective project management skills, though some note room for improvement in support ticket response times.
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$5,000+$100 - $149 / hr10 - 49Calgary, Canada
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See all 5 projectsAutom8Growth is a web development company that offers services in Website Development, Design, and SEO. With 100% positive feedback, clients commend their customer service, attention to detail, and effective communication. Their customized approach and automation tools have significantly boosted client business growth, as seen in an 8x revenue increase for a med spa client.
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$5,000+$100 - $149 / hr50 - 249Los Angeles, CA
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See all 4 projectsFuturealiti specializes in Website Development, transforming mock-ups into functional websites. Their services are highly regarded for their competitive pricing, strong project management, and dedicated effort to ensure successful project execution. Clients appreciate their communication and timeliness, noting the overall quality of the deliverables despite some development challenges.
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$5,000+< $25 / hr50 - 249
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See all 19 projectsZenesys Technosys is a web development company specializing in custom website development using platforms like Kentico and technologies such as PHP and .NET. They have received mixed feedback, with around 70% of reviews highlighting their professionalism, timely delivery, and effective communication. However, 30% of the reviews indicate issues with project management, missed deadlines, and inadequate handovers. Overall, Zenesys is praised for their technical expertise but needs improvement in consistency and communication.
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$1,000+$100 - $149 / hr2 - 9Calgary, Canada
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See all 4 projectsDiluceo is a versatile web development company specializing in Website Development, Web Design, and Full-Stack Web Development. Reviews indicate positive feedback regarding their reliable and high-quality results, with 100% of clients impressed by their communication and adaptability. Despite occasional time management challenges, clients appreciate Diluceo's alignment with their values and proactive problem-solving.
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$25,000+$50 - $99 / hr2 - 9
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See all 4 projectsGenuineBee is a comprehensive web development company specializing in custom website development and web application development. The company has received predominantly positive feedback, with clients praising their project management, technical expertise, and ability to deliver tailored solutions that improve workflow and engagement. Approximately 90% of reviewers highlight their professionalism and responsiveness, emphasizing their impressive adaptability and proactive communication.
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Undisclosed$50 - $99 / hr50 - 249Frankfurt am Main, Germany
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See all 2 projectsCocomore AG is a full-service digital agency specializing in Web Application Development and Full-Stack Web Development. The reviews indicate a focus on strong technical skills, creative design talent, and exceptional communication, with about 70% of feedback highlighting their expertise and reliability. However, areas for improvement include project financing transparency and flexibility in small decision-making.
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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.