Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 20 projectsNewsoft is a web development company that excels in delivering high-quality custom website development and full-stack web development services. Across multiple reviews, clients highlight their expertise in web programming and project management, with 100% of reviewers noting timely deliveries and exceptional communication. Notably, 75% mention the company's impressive adaptability and problem-solving capabilities, while 50% appreciate their company values and skilled team members.
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$5,000+$25 - $49 / hr10 - 49Chernihiv, Ukraine
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See all 31 projectsRedlab agency is a distinguished web development company specializing in custom website development, full-stack web development, and web application development. They consistently receive positive feedback, with approximately 100% of reviewers praising their professionalism, responsiveness, and commitment to excellence. Clients particularly appreciate their client-oriented approach and ability to integrate creative solutions, resulting in enhanced user engagement and efficient content management.
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$5,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 3 projectsEditCreation is a web development company that excels in Web Programming and Full-Stack Web Development. The reviews highlight their professional consulting, agility, and fast delivery, with a significant 64% reduction in system complaints. Their Scrum-based approach was a crucial advantage, although improvements in Q&A were suggested.
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$10,000+$25 - $49 / hr50 - 249Hamilton, Canada
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See all 17 projectsCabot Technology Solutions, Inc is a comprehensive web development company that specializes in full-stack web development, web application development, and custom website development. Their reviews are overwhelmingly positive, with clients highlighting their technical competencies, responsiveness, and ability to deliver on time. Approximately 100% of reviews mention satisfaction with project outcomes, while some indicate a need for improved client expectation management.
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$5,000+< $25 / hr50 - 249Mandaue City, Philippines
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See all 21 projectsKODA Kollectiv is a versatile web and software development company known for its expertise in Full-Stack Web Development, Web Application Development, and Front-End Development. Across reviews, 100% of clients commend their professionalism, timely delivery, and effective communication. Their ability to handle complex projects and adapt to client needs highlights their commitment and technical prowess, with 60% mentioning their impressive work ethic and culture.
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$25,000+$50 - $99 / hr50 - 249Sunny Isles Beach, FL
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See all 22 projectsVelvetech LLC is a web development company specializing in custom website development, web application development, and full-stack web development. With a strong focus on industries such as healthcare and finance, they have garnered positive feedback, with around 90% of reviewers praising their project management, timely delivery, and ability to understand complex requirements. Reviewers often highlight their expertise, customer-oriented approach, and innovative solutions.
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$10,000+$50 - $99 / hr10 - 49São Domingos de Rana, Portugal
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See all 42 projectsEqual is a web development and design company specializing in creating custom websites, web applications, and UX/UI solutions. Across their reviews, Equal received overwhelmingly positive feedback, with clients praising their professionalism, responsiveness, and ability to deliver high-quality designs aligned with business goals. Approximately 90% of reviews highlight their effective communication and project management, making them a valued partner for complex web development projects.
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Undisclosed$150 - $199 / hr10 - 49Northampton, MA
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See all 18 projectsLast Call Media is a web development company specializing in full-stack development, website redesign, and maintenance, with expertise in Drupal infrastructure and custom website development. Client reviews highlight their ability to increase website traffic, improve usability, and provide responsive communication with 90% of feedback being positive. Clients appreciate their technical expertise, proactive support, and collaborative approach, although some note challenges with project management consistency.
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$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
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See all 23 projectsSonatafy Technology is a custom website development firm specializing in full-stack web development and web application development. The company receives predominantly positive feedback, with 100% of reviewers highlighting effective collaboration and integration into virtual teams, though some suggest improved initial engagement could enhance their service.
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$10,000+$150 - $199 / hr10 - 49Ardmore, PA
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See all 25 projectsThink It First is a web development company specializing in custom website development and digital marketing services. The company has received overwhelmingly positive feedback, with reviewers praising their professionalism, creativity, and responsiveness. Notably, 100% of reviewers mentioned their quick turnaround times and high-quality deliverables. Clients have appreciated their collaborative approach and ability to exceed project goals, making them a preferred choice for web design and development projects.
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$1,000+$50 - $99 / hr2 - 9Mississauga, Canada
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See all 20 projectsCS Web Solutions is a versatile web development company offering services in website development, web design, and SEO. They have received overwhelmingly positive feedback, with 100% of reviewers commending their professionalism, timely delivery, and understanding of client needs. Clients appreciate their problem-solving abilities, responsiveness, and value for cost, making them a reliable choice for website and application development.
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$25,000+$100 - $149 / hr10 - 49Takoma Park, MD
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See all 25 projects45RPM is a web development company specializing in website redesign and enhancing user experience. They received overwhelmingly positive feedback for their efficiency, excellent communication, and quick response time, with 100% of reviewers praising their ability to deliver high-quality projects on time. Their work led to a 10% increase in average order value, showcasing their impactful contributions to custom website development.
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$10,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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See all 7 projectsMoldoWEB is a specialized web development company with a strong focus on custom website development and web application development, particularly using Angular. The reviews highlight a 100% satisfaction rate from clients, emphasizing their high-quality code, effective communication, and seamless integration into client teams. Notably, MoldoWEB is praised for agile project management and delivering projects on time, with several clients appreciating their technical expertise and cultural fit.
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$5,000+$25 - $49 / hr10 - 49Rio Tinto, Portugal
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See all 3 projectsNewGen is a web development company specializing in custom website development and web programming. With a focus on delivering great value and aligning with clients' needs, 100% of the reviews highlight their effective project management and proactive problem-solving approach, emphasizing a strong mutual understanding and efficient communication.
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$25,000+$50 - $99 / hr50 - 249Łódź, Poland
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See all 6 projectsHappy Team is a dynamic software development company offering IT consulting, mobile app development, and bespoke software solutions. They consistently receive positive feedback, with a notable emphasis on their professionalism and adaptability to clients' needs. Around 100% of reviewers highlight their effective communication and commitment to project timelines, while 80% commend their collaborative approach and technical expertise.
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$1,000+$50 - $99 / hr10 - 49Fort Lauderdale, FL
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See all 7 projectsELEK+RIK is a web development company specializing in custom website development, web design, and online development solutions. They have received overwhelmingly positive feedback, with clients praising their project management, responsiveness, and ability to deliver user-friendly and visually appealing websites. Notably, 100% of reviewers commend their communication and timely delivery, resulting in significant client satisfaction and measurable business improvements.
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$50,000+$150 - $199 / hr10 - 49Berlin, Germany
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See all 12 projectsBoldheart is a versatile web development company specializing in full-stack web development and web application development. Their reviews indicate a strong emphasis on effective communication, transparent project management, and seamless integration with client teams, with over 85% of feedback highlighting these aspects. Clients commend Boldheart for their strategic approach, innovative solutions, and ability to adapt to user feedback, resulting in successful launches and substantial user engagement.
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$25,000+$50 - $99 / hr10 - 49İzmir, Türkiye
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See all 27 projectsAtolye15 is a web development company specializing in custom website development, front-end and back-end development, and web application development. With a high level of client satisfaction, 100% of reviewers emphasize their exceptional project management skills, proactive communication, and technical proficiency, which often exceed expectations and lead to long-term partnerships. Their dedication to delivering high-quality work and seamless user experiences is consistently highlighted across reviews.
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$1,000+$100 - $149 / hr10 - 49New York, NY
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See all 28 projectsIntactdia is a web development company specializing in custom website development, full-stack web development, and web application development. They consistently receive positive feedback, with approximately 100% of clients praising their professionalism, attention to detail, and project management capabilities. Clients frequently highlight Intactdia's ability to meet deadlines and their responsiveness to evolving project needs, with around 70% noting their excellent communication and adaptability.
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$5,000+$50 - $99 / hr10 - 49North New Hyde Park, NY
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See all 14 projectsENCYPHERS is a web development company specializing in custom website and eCommerce solutions, including Shopify and headless architecture. Across their reviews, 100% of clients praised their responsive project management, timely delivery, and technical expertise in web development and optimization. Notably, 67% of reviewers highlighted their ability to enhance conversion rates and streamline user experience.
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$1,000+$100 - $149 / hr10 - 49Jacksonville, FL
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See all 38 projectsC7 Apps + Websites + Marketing is a web development company specializing in custom website development, web design, and online development. Their services are highly praised, with 100% of reviewers highlighting their timely delivery, attentive communication, and ability to meet or exceed expectations. Clients appreciate their value for cost and alignment with company values, as well as their thoughtful, client-focused approach.
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$1,000+$100 - $149 / hr2 - 9Lenexa, KS
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See all 1 projectsRank Fuse Digital Marketing is an SEO and digital marketing agency that excels in improving domain authority, enhancing backlinking, and managing Google Ads programs. With a 100% positive review rate, they are praised for their clear communication, responsiveness, and proactive approach, consistently exceeding expectations to deliver measurable results and successful project outcomes.
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$1,000+$50 - $99 / hr50 - 249Mississauga, Canada
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See all 19 projectsMacRAE's is a web development company specializing in Website Development, SEO, and Social Media Optimization. With over 85% positive feedback, clients commend their adaptability, communication, and ability to enhance online presence and SEO performance. Notably, 100% of reviewers reported significant growth in key metrics, while 40% emphasized the importance of their project management and communication skills.
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$5,000+$25 - $49 / hr10 - 49Stockholm, Sweden
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See all 18 projectsSlashdev is a proficient web development company specializing in Web Programming and Custom Website Development. The firm has consistently received positive feedback, with 100% of reviewers praising its technical expertise and project management skills. Clients commend Slashdev for its strategic thinking, strong technical execution, and the ability to deliver projects on time while improving operational efficiency and product reliability.
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$5,000+$150 - $199 / hr10 - 49Doylestown, PA
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See all 10 projectsSagefrog Marketing Group specializes in website development and integrated marketing services. Across multiple reviews, clients consistently praise the company for its strategic thinking, effective project management, and timely delivery, with 100% of reviewers noting increased lead generation and brand awareness. Their proactive and responsive approach, coupled with deep industry understanding, highlights their commitment to client success.
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UndisclosedUndisclosed50 - 249București, Romania
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See all 10 projectsRoweb Development is a web and software development company specializing in custom website and web application development. The reviews highlight their expertise in full-stack web development and web programming with a focus on responsiveness and client satisfaction. Approximately 80% of clients praise their knowledgeable team and problem-solving abilities, though some note areas for improvement in communication and project management.
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$25,000+$25 - $49 / hr50 - 249Gonnet, Argentina
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See all 11 projectsFlux IT is a web development company specializing in web application development and custom website development. Their reviews highlight a strong commitment to project management and UX design, with 100% of reviewers praising their scalability and adaptability. However, they could improve proactive communication. Overall, they are recognized for their flexibility and ability to deliver functional, scalable products.
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$25,000+$50 - $99 / hr50 - 249Miraflores, Peru
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See all 24 projectsTekton Labs is a versatile technology company specializing in web and mobile app development, demonstrated through their competence in Web Development and Web Programming. The majority of their reviews highlight their strong project management skills, commitment to deadlines, and effective communication, with over 80% of reviewers expressing satisfaction. Clients praise their ability to deliver quality projects swiftly and their professional, reliable approach to development challenges.
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$10,000+$50 - $99 / hr2 - 9Montréal, Canada
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See all 21 projectsScaling Process is a proficient web development company specializing in Website Development, Web Design, and Custom Website Development. With over 90% positive feedback, clients commend their responsiveness, technical expertise, and ability to deliver projects on time. Their commitment to understanding client needs and providing tailored solutions is highlighted by 80% of reviewers, praising their strategic approach and cohesive branding.
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$10,000+$25 - $49 / hr50 - 249Toronto, Canada
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See all 36 projectsDevIT is a web development company specializing in Website Development, Web Application Development, and Custom Website Development. Reviews highlight their strong technical skills, responsive communication, and reliable project management, with a notable 100% positive feedback on timely delivery and problem-solving abilities. Clients appreciate their integration into teams and the high-quality, scalable solutions they provide.
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$50,000+$150 - $199 / hr10 - 49Harvey, LA
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See all 11 projectsSusco Solutions is a web application development company that specializes in transforming existing systems into accessible online platforms. The feedback indicates mostly positive experiences, highlighting their technical expertise and commitment, which saved over 100 hours weekly for clients. However, there were occasional project management challenges, though these were seen as common in large projects.
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$1,000+$50 - $99 / hr2 - 9Toronto, Canada
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See all 6 projectsCrushing Cones is a proficient web development company specializing in website design, custom website development, and SEO optimization. Their reviews highlight their creativity, technical expertise, and exceptional problem-solving skills, with 100% positive feedback. Clients consistently praise their timely delivery, personalized approach, and ability to exceed expectations, making them a highly recommended choice for web application development and online development projects.
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$5,000+$25 - $49 / hr10 - 49Bratislava, Slovakia
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See all 13 projectsQikBuild is a web development company specializing in both custom and no-code solutions, offering services such as full-stack web development, web application development, and front-end development. The company is consistently praised for its professional approach, timely delivery, and effective project management, with 100% of reviews being positive and 57% of reviewers highlighting their flexibility and personal touch.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 14 projectsi-HiddenTalent is a web development company specializing in full-stack web development, web design, and custom website development, with a focus on delivering high-quality, interactive web and mobile applications. The company receives predominantly positive feedback, with 100% of reviewers praising their communication skills and project management. Clients are consistently impressed by their technical expertise and ability to deliver projects on time.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 22 projectsUpUp is a web development company specializing in Website Development, WordPress, and custom web solutions. Client reviews consistently highlight their professionalism, technical expertise, and reliability, with 100% positive feedback on timely delivery and project management. Notably, 75% of reviews commend UpUp's ability to transform challenging projects into successful outcomes, emphasizing their role as a dependable long-term partner.
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$25,000+$100 - $149 / hr10 - 49Brooklyn, NY
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See all 21 projectsWolf&Whale is a web development company specializing in custom website development, web design, and online development, with expertise in building Webflow websites and CMS design. They consistently receive positive feedback, with clients highlighting their collaborative approach and excellent communication. Approximately 100% of reviewers emphasize their responsiveness and the innovative solutions they provide, making them a preferred choice for enhancing online experiences.
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$25,000+$100 - $149 / hr10 - 49Englewood, CO
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See all 7 projectsThink Tree Studios is a mobile app development company specializing in building cross-platform applications with a focus on custom solutions and backend infrastructure. Across various reviews, 90% of clients praised their responsiveness, expertise in handling complex app functionalities, and personalized service. However, about 20% noted room for improvement in communication and Android development capabilities. Overall, Think Tree Studios is recognized for their commitment to delivering quality and tailored projects.
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$25,000+$50 - $99 / hr50 - 249Puchong, Malaysia
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See all 10 projectsWebby Group is a web development company specializing in comprehensive web application development, front-end and back-end development, and custom website development. Reviews highlight a 100% positive feedback rate, emphasizing their effective project management, responsiveness, and ability to deliver projects on time. Clients appreciate their strong delivery culture and technical expertise, although some suggest enhancing early-stage engagement.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 7 projectsDONE. is a distinguished web development company known for delivering high-quality custom website and web application development services. Across multiple reviews, clients consistently praise DONE. for their professionalism, effective communication, and ability to transform ideas into functional solutions. Approximately 95% of feedback highlights their exceptional project management, creativity, and timely execution, resulting in increased web traffic and conversions for clients.
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$1,000+$50 - $99 / hr10 - 49Zwolle, Netherlands
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See all 14 projectsStudio Ubique is a web development company known for exceptional web design and development services, with expertise in areas such as custom website development and front-end development. The company consistently receives positive feedback, with approximately 100% of reviewers praising their project management, communication, and the quality of deliverables. Clients particularly appreciate their ability to meet budgets and timelines while delivering user-friendly and visually appealing digital solutions.
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$1,000+$100 - $149 / hr10 - 49Cincinnati, OH
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See all 6 projectsSeven Hills Technology is a comprehensive web and mobile app development company specializing in custom software development, full-stack web development, and web application development. Their reviews reveal a strong emphasis on project management, communication, and delivering functional, user-focused solutions. Impressively, 100% of reviewers highlight their attention to detail and cooperative approach, with no significant areas for improvement mentioned, underscoring their commitment to excellence and customer satisfaction.
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$50,000+$50 - $99 / hr50 - 249Adma w Dafnah, Lebanon
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See all 15 projectsEurisko is a web development company specializing in custom website development, web application development, and full-stack web development. Reviews highlight their professionalism, timely delivery, and high-quality results, with 100% positive feedback on project management and impressive technical solutions. Over 66% of reviewers commend their ability to align company values and deliver innovative ideas.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 14 projectsEchoGlobal is a web development company specializing in Custom Website Development and Web Design. They consistently deliver high-quality projects, as evidenced by positive feedback from 100% of their reviewers, who praise their adaptability and responsiveness. However, 50% mention language barriers as an area for improvement. EchoGlobal is particularly commended for improving client software and providing professional, modern web solutions.
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$50,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 23 projectsMaterialize Labs is a web development company specializing in custom website and web application development, including front-end and back-end development. Across its reviews, the company consistently receives positive feedback, with 100% of clients praising their communication, professionalism, and ability to deliver projects on time and within budget. Approximately 90% of reviewers highlight their exceptional project management and client-focused approach.
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$25,000+$100 - $149 / hr10 - 49Stans, Austria
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See all 1 projectsBright IT is an IT solutions company specializing in developing custom platforms with expertise in microservice infrastructure and UI design. Their reviews highlight a high level of commitment and service orientation, with 100% of reviewers praising their dedication, scrum methodology implementation, and ability to tailor solutions to specific market needs. However, they may benefit from improved assertiveness in communication.
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$10,000+$50 - $99 / hr50 - 249San Francisco, CA
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See all 14 projectsScalable Path is a versatile online development company specializing in web programming, software development, and custom website development. With overwhelmingly positive feedback, clients commend their ability to quickly provide specialized, high-caliber talent, with 100% of reviewers noting timely and responsive project management. The company is particularly praised for its excellent culture fit and cost-effectiveness.
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$25,000+$100 - $149 / hr10 - 49Cardiff, Wales
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See all 11 projectsIllustrate Digital is a proficient web development company specializing in WordPress, offering services like custom website development and web design. They are highly regarded for their technical expertise, reliability, and collaborative project management approach. With 100% positive feedback highlighting their strong communication, timely delivery, and personalized service, they excel in creating robust back-end systems and enhancing user experience.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 14 projectsThinkWeb is a versatile web development company specializing in custom website development, web design, and web application development. With 100% positive feedback from reviewers, clients frequently praise their exceptional project management, responsiveness, and ability to integrate seamlessly into teams. Additionally, 83% of reviewers highlight ThinkWeb's ability to align solutions with client needs, emphasizing their commitment to delivering tailored, high-quality web solutions.
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$1,000+< $25 / hr10 - 49Ho Chi Minh City, Vietnam
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See all 14 projectsAfocus is a web development company specializing in custom website development and full-stack web development, with expertise in WordPress and Drupal. Overall, 90% of client reviews highlight their professionalism, technical expertise, and effective communication. Many clients appreciate their ability to accommodate project requirements and provide innovative solutions, with 75% praising their responsiveness and quality-focused approach to web programming and online development.
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$25,000+$150 - $199 / hr10 - 49Farmingdale, NY
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See all 7 projectsMAXBURST is a web development company known for delivering comprehensive digital solutions, including web design, development, SEO, and online marketing. Their reviews reveal consistent themes of professionalism, strong project management, and excellent communication, with 100% of clients praising their responsiveness and flexibility. MAXBURST is particularly distinguished for its ability to integrate and tailor solutions according to client needs, consistently receiving positive feedback for their personalized service and expertise.
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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 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
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$1,000+< $25 / hr250 - 999Boston, 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.