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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsIT Squad is a web development company specializing in website development and optimization. They received positive feedback for their attention to detail and personalized solutions, with 100% of reviewers noting their exceptional communication and project management. Clients appreciated the alignment of company values and the cost-effective pricing.
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$10,000+$50 - $99 / hr10 - 49Novi Sad, Serbia
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See all 1 projectsCrystal Pigeon is a mobile app development company that excels in delivering complex projects under tight deadlines. The feedback for their services is overwhelmingly positive, with 100% of reviewers praising their professionalism, efficiency, and communication. Clients specifically commend their impressive app development skills and seamless project management, making them a highly recommended partner for future collaborations.
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$1,000+$25 - $49 / hr2 - 9Dhaka, Bangladesh
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See all 1 projectsAlcinder Tech is a web development company specializing in custom website development and web application integration. Clients highlight their efficient delivery and effective communication, with 100% of reviewers noting their prompt response times and strategic solutions. Their expertise in back-end development led to significant business results, including increased sales within 10 days of project completion.
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$5,000+$25 - $49 / hr10 - 49Noida, India
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See all 12 projectsTecziq Solutions is a web development company offering services such as website design, web application development, and custom website development. Reviews indicate a mix of experiences: 60% of clients appreciated their responsive service, attention to detail, and professionalism, while 40% expressed dissatisfaction, citing poor communication and unmet expectations. Their expertise in WordPress and proactive project management were notable themes among satisfied clients.
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$10,000+$50 - $99 / hr10 - 49București, Romania
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See all 8 projectsControl F5 Software is a web development company specializing in Website Development, Custom Website Development, and Web Application Development. Across multiple projects, they received positive feedback for their responsiveness, adaptability, and timely deliveries, with 100% of reviewers highlighting their effective communication and project management. Clients praised their ability to meet budgetary constraints and deliver functional solutions.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 12 projectsDB2 Limited is a full-stack web development company specializing in web and app development, offering services in frontend, backend, and mobile app development. Reviews indicate generally positive feedback, with clients praising their responsiveness, knowledge, and commitment to delivering projects effectively. A common theme is their ability to handle complex tasks and provide innovative solutions, though some noted the need for more accurate project scoping.
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$5,000+< $25 / hr10 - 49
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See all 1 projectsBrihat Infotech Private Limited is a web development company offering comprehensive services, including web design, front-end and back-end development, and digital marketing solutions. With 100% positive feedback, clients appreciate their professionalism, timely delivery, and transparency in project management. This alignment creates a favorable impression of their custom website development capabilities.
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$10,000+$50 - $99 / hr2 - 9Charlottetown, Canada
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See all 3 projectsEastCode Blockchain Labs is a web development company specializing in full-stack web development and web application development. Their reviews highlight an impressive commitment to timely delivery and effective communication, with 100% of reviewers noting their developers' seamless integration into the client's team and flexible work style. The company is particularly commended for reducing RPC calls by 80%, enhancing user response times significantly.
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$10,000+$50 - $99 / hr50 - 249
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See all 5 projectsInobright Inc. is a web development company offering services in both front-end and back-end development, including custom website development and web application development. The company receives overwhelmingly positive feedback, with over 90% of reviewers praising their strategic vision, ability to understand business needs, and effective project management. Clients consistently highlight their exceptional communication, problem-solving skills, and cost-effective solutions.
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$25,000+$100 - $149 / hr10 - 49Zagreb, Croatia
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See all 8 projectsIconis Digital is a full-stack web development company specializing in custom website development and web application development. They consistently receive positive feedback, with clients praising their professionalism, seamless integration into client processes, and reliable project management. Approximately 85% of reviewers highlight their exceptional ability to meet client needs, while reported outcomes include significant sales increases and improved digital presence.
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$5,000+$25 - $49 / hr10 - 49Istanbul, Türkiye
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See all 1 projectsReady Technology Services Inc. is a comprehensive technology solutions provider specializing in IoT product development, cloud solutions, and mobile app design. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their flexibility and result-oriented approach. They are noted for their close collaboration with clients, making them an ideal partner for startups seeking custom technology solutions.
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$10,000+$50 - $99 / hr2 - 9
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See all 12 projectsClap Creative is a web development company specializing in custom website development and full-stack web development services. They have consistently received positive feedback, with 100% of reviews highlighting their exceptional responsiveness and project management, particularly praising their CEO, DK. Clients commend Clap Creative for delivering projects on time and within budget, with 83% of reviews mentioning their ability to meet or exceed client expectations.
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$10,000+$25 - $49 / hr10 - 49Brooklyn, NY
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See all 3 projectsMediaset LLC is a web development company specializing in custom website development and web design. They are praised for their speed and quality of work, with 100% of reviewers highlighting their effective project management and ability to meet deadlines. Clients appreciate their professional consultations and seamless execution of web projects.
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$10,000+$100 - $149 / hr2 - 9Austin, TX
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See all 1 projectsPonticlaro is a web development company specializing in ongoing website development and maintenance. They have successfully executed projects for a solar and energy storage company, demonstrating technical proficiency and timely delivery. While 100% of the feedback highlighted their effective web development, there was a note on the need for improved transparency in retainer hours management.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsTechuick is a web development company specializing in custom website development and full-stack web development. The reviews highlight their impressive ability to deliver high-quality projects swiftly and efficiently, with 100% positive feedback on timely delivery and responsiveness. Clients particularly appreciate their communicative project management and value for cost.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 9 projectsFluxbyte Technologies Private Limited is a web development company specializing in website design and full-stack web development. Across reviews, 100% of clients praised their creativity, timely delivery, and exceptional customer service. Their ability to provide tailored solutions and seamless project management is frequently highlighted, showcasing their dedication to client satisfaction and effective communication.
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$10,000+$50 - $99 / hr10 - 49Pittsburgh, PA
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See all 3 projectsMaxaix is a mobile app development company renowned for its proficiency in creating intuitive and user-centric applications. With 100% positive client feedback, reviewers consistently highlight their timely delivery, efficient project management, and alignment with client goals. Maxaix's understanding of the latest technologies and value-for-cost offerings are often cited as impressive attributes.
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$1,000+$100 - $149 / hr2 - 9
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See all 9 projectsMoore Tech Solutions, Inc. is a web development company highly praised for its exceptional communication, project management, and timely delivery of web design and development services. With a client satisfaction rate nearing 100%, reviewers commend their collaborative approach and ability to meet budgetary needs. Approximately 90% of reviews highlight their flexibility and comprehensive understanding of client requirements, making them a reliable choice for both custom website development and ongoing support.
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$1,000+$25 - $49 / hr2 - 9Rawalpindi, Pakistan
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See all 4 projects1stFold WebSolutions is a proficient web development company specializing in website development and design, web application development, and custom website development. They have consistently received positive feedback, with clients praising their project management skills, timely delivery, and professional attitude. Over 85% of reviewers highlight their effective communication and value for money, making them a reliable choice for businesses seeking scalable online development solutions.
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$10,000+$50 - $99 / hr2 - 9Cork, Ireland
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See all 3 projectsNoise is a web development company specializing in custom website development with a focus on innovative design and technical expertise. Across reviews, 100% of clients expressed satisfaction, highlighting a 60%-70% increase in user engagement and online sales. Clients commend their seamless project management and responsiveness, with 80% noting a significant boost in digital presence efficiency.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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See all 1 projectsPreogen IT Solutions is a design and UI/UX company that excels in creating innovative solutions for software and websites. Their reviews reflect 100% positive feedback, highlighting creativity, timely delivery, and effective communication. Clients commend their excellent designs, strong teamwork, and competitive pricing, making them a reliable choice for design and UI/UX services.
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UndisclosedUndisclosed2 - 9Suceava, Romania
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See all 1 projectsRaisis Software is a web development company specializing in custom website development and web application development. With 100% positive feedback, clients praise their swift implementation, excellent communication, and collaborative approach. The company's expertise includes integrating complex features and delivering tailored digital experiences, making them a valuable partner for businesses seeking comprehensive online development solutions.
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$1,000+< $25 / hr10 - 49Kochi, India
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See all 18 projectsAatoon Solutions is a web development agency specializing in full-stack web development, custom website development, and digital marketing services. The company is praised for its professionalism, responsiveness, effective communication, and ability to deliver projects on time and within budget. Approximately 100% of reviewers highlight their excellent customer service and value for money.
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$25,000+$25 - $49 / hr50 - 249Furlong, PA
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See all 3 projectsAthenaworks is a web development company noted for delivering application development and web portal solutions. Clients appreciate their responsiveness and problem-solving skills, with 100% of reviews highlighting these strengths, although there is room for improvement in understanding the US market messaging. Overall, Athenaworks provides good value for cost with effective project management.
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$10,000+$150 - $199 / hr10 - 49Phoenix, AZ
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See all 5 projectsHSTK Haystack is a web development company specializing in creating seamless integrations and efficient online systems. Their clients commend their thoroughness, competence, and responsiveness, with 100% positive feedback for their project management and communication. They excel in streamlining processes, as 100% of reviewers highlight significant improvements in operational efficiency.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsASP.Net Zero Developers is a web development company specializing in building scalable platforms and ongoing support. Feedback indicates overwhelmingly positive experiences, with 100% of reviewers noting timely delivery and responsiveness. The company is praised for exceeding expectations and fostering a partnership-like relationship with clients, though improvement in communication regarding holidays is suggested by some clients.
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$1,000+$25 - $49 / hr2 - 9Odesa, Ukraine
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See all 5 projectsOkeycompany is a website development company specializing in custom website development and local SEO. With a team of 2-5 employees, they are praised for their professional and responsive service, delivering visually appealing and user-friendly websites. Approximately 90% of reviews highlight their timely delivery and effective communication, while about 10% suggest more proactive innovation in features.
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$50,000+Undisclosed10 - 49Dundee, Scotland
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See all 4 projectsVidatec is a web development company specializing in custom website development and full-stack web development. The majority of feedback is positive, with users appreciating the clean, user-friendly design and timely delivery of the MVP. Vidatec demonstrates flexibility and effective communication, although there is room for improvement in partnership collaboration.
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$1,000+$100 - $149 / hr10 - 49Auckland, New Zealand
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See all 2 projectsUltimate Web Designs Limited is a dynamic web development company specializing in custom website development, web programming, and online development solutions. Their reviews reveal a 100% positive feedback rate, highlighting their exceptional project management, effective communication, and ability to deliver enhanced websites promptly. Clients commend their flexibility, professionalism, and comprehensive service offerings, including web design, graphic design, and social media marketing.
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$5,000+$25 - $49 / hr2 - 9Islamabad, Pakistan
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See all 7 projectsKikbits is a web development company specializing in browser extensions, demonstrating expertise in Front-End Development. Reviews highlight their exceptional communication skills and efficiency, with 100% of clients noting timely project delivery and satisfaction with the quality of work. Their ability to understand and articulate client requirements is consistently praised, ensuring a seamless development process.
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$25,000+$100 - $149 / hr2 - 9Braddon, Australia
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See all 6 projectsBaha Agency is a Website Development company specializing in custom website and web application development. The agency is highly praised for its ability to guide clients through exploration phases, provide iterative builds, and deliver functional, beautifully designed websites. Clients appreciate their flexibility, creative approach, and exceptional customer service, with 100% of reviews highlighting their impressive communication and project management skills.
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$1,000+$50 - $99 / hr2 - 9Ottawa, Canada
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See all 2 projectsMDCOSS is a web development company recognized for its professionalism and technological expertise, offering services in web design, custom website development, and online development. Reviews highlight their personalized approach and commitment to delivering tailored solutions, with 100% of clients expressing satisfaction with their project management and the outcomes achieved.
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$5,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 9 projectsGenius Software is a web development company specializing in custom website development, web programming, and full-stack web development. Their reviews highlight a 90% positive feedback rate, with clients praising their attention to detail and seamless project management. They excel in secure, scalable, and user-friendly solutions, with 60% of reviewers emphasizing their expertise in handling data security and compliance.
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$50,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 6 projectsLuxdone specializes in Full-Stack Web Development and Web Application Development, delivering custom solutions with a strong emphasis on technical competence and business understanding. With 100% positive feedback, reviewers appreciate their transparency and ability to offer valuable suggestions, underscoring their role as true partners in development projects.
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$1,000+< $25 / hr10 - 49L'viv, Ukraine
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See all 1 projectsHaltenTech is a software development company specializing in creating scalable delivery service applications and portals for restaurants. According to the review, 100% of feedback is positive, highlighting their adherence to deadlines and effective project management using Trello and Zoom. While the company's technical expertise and quality are praised, early-stage UX design could be improved.
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$1,000+$25 - $49 / hr50 - 249Singapore, Singapore
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See all 8 projectsZimozi Solutions Pvt. Ltd is a versatile web development company specializing in Website Development, Custom Website Development, and SEO services. Reviews indicate a strong performance, with clients appreciating their enthusiasm, ownership of projects, and ability to enhance website functionality and UI/UX. While 100% of reviewers expressed satisfaction, some suggest the need for more realistic project timelines.
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Undisclosed$100 - $149 / hr2 - 9Tampa, FL
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See all 2 projectsHighNorth offers Website Development and Web Design services, specializing in creative redesigns that are responsive and user-friendly. Reviews highlight their exceptional customer service, effective communication, and ability to deliver projects on time, resulting in improved search engine rankings and increased website traffic.
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$5,000+$25 - $49 / hr10 - 49Ottawa, Canada
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See all 3 projectsDiraya Inc is a web development company specializing in Web Application Development and Custom Website Development. They have received positive feedback, with clients praising their active project management and leadership. Approximately 100% of reviewers noted successful project outcomes, such as app launches and timely deliveries, though one suggested more backend support.
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$5,000+$25 - $49 / hr10 - 49
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See all 5 projectsNextEnvision is a web development company specializing in custom website development, web programming, and web application development. Their reviews highlight impressive communication, high-quality work, and timely delivery, with 100% positive feedback emphasizing commitment to project timelines and deliverables. Notably, 50% of reviewers appreciate their reasonable approach to project aspects and management.
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$100,000+$25 - $49 / hr10 - 49London, England
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See all 3 projectsGBMF Tech is a web development company specializing in comprehensive web design and branding services. The overall feedback is overwhelmingly positive, with clients praising their efficient project management and the high-quality, modern websites produced. Approximately 100% of reviewers highlighted the professionalism and smooth communication experience with GBMF Tech's team.
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$1,000+< $25 / hr10 - 49Karachi, Pakistan
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See all 1 projectsXharpTech is a web development company specializing in backend and custom website development, with additional expertise in optimizing web design. All reviewers (100%) express positive feedback about their involvement in projects, highlighting their commitment, attention to detail, and effective project management. XharpTech ensures tasks are completed on time and within budget, demonstrating high engagement and adaptability in addressing challenges.
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$1,000+$25 - $49 / hr10 - 49Little Waltham, England
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See all 23 projectsWebMeridian is a web development company specializing in Website Development, Custom Website Development, and Web Programming, with expertise in platforms like Magento and Shopify. Based on their reviews, 100% of clients commend their professionalism, timely delivery, and effective communication. However, one review highlighted an initial team mismatch, which was promptly resolved by assigning a more compatible team, showcasing their adaptability and commitment to client satisfaction.
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$1,000+$50 - $99 / hr2 - 9București, Romania
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See all 10 projectsAlexBerendei.com is a web development company specializing in Website Development, Web Design, and Custom Website Development, with a notable focus on Drupal-based projects. The company has received overwhelmingly positive feedback, with over 90% of clients highlighting their efficiency, responsiveness, and ability to meet deadlines. Additionally, 60% of reviews praise their communication skills and ability to deliver high-quality, user-friendly websites that have led to measurable improvements in online presence and customer engagement.
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$5,000+$25 - $49 / hr50 - 249Birmingham, England
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See all 17 projectsFicode Technologies Limited is a web development company specializing in custom website development, full-stack web development, and web programming. The reviews indicate a high level of satisfaction with 100% of reviewers praising their attention to detail, prompt communication, and ability to deliver high-quality results. Additionally, 80% of reviewers commend their impressive project management skills and ability to meet or exceed deadlines.
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$10,000+$50 - $99 / hr10 - 49Żerniki Wrocławskie, Poland
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See all 3 projectsLSB DATA Software Developers is a professional Web Development company specializing in Custom Website Development and Web Application Development. They have demonstrated excellence in delivering innovative and responsive web solutions, leading to a 50% increase in turnover for their clients. The company is commended for its effective project management and communication, with 100% positive feedback from clients.
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$5,000+< $25 / hr10 - 49Petaling Jaya, Malaysia
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See all 10 projectsFigzol is a web development company providing services such as custom website development and full-stack web development. Feedback indicates a 100% positive response, highlighting their exceptional project management, responsiveness, and ability to deliver on time. Approximately 50% of reviewers emphasize their innovative design thinking and problem-solving skills.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 11 projectsWebfusion Solutions is a proficient web development company offering diverse services including full-stack web development, web application development, and custom website development. They maintain high standards of project management and communication, with 100% of reviews praising their professionalism, responsiveness, and ability to meet deadlines effectively. Clients consistently highlight their exceptional customer service and technical expertise.
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$5,000+$50 - $99 / hr2 - 9Ploiești, Romania
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See all 4 projectsPixelMakers specializes in Website Development, Web Design, and Web Programming, providing comprehensive digital solutions, including Webflow development, UX/UI design, and project management. Reviews consistently highlight their professionalism, timely delivery, and effective communication. Clients appreciate their high-quality work, alignment with company values, and utilization of modern project management tools.
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Undisclosed$25 - $49 / hr10 - 49Toronto, Canada
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See all 14 projectsMarrix Power is a full-stack web development company specializing in Website Development, Web Application Development, and Back-End Development. Reviews indicate a generally positive reception, with 83% highlighting their professionalism, attention to detail, and ability to meet project goals. However, 17% noted issues with communication and project delivery. The company is commended for its commitment to client success, though some feedback suggests room for improvement in transparency and scope alignment.
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$5,000+< $25 / hr10 - 49Udayampalayam, India
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See all 3 projectsInfinijith Apps & Technologies Pvt Ltd. is a web development company specializing in sophisticated full-stack web development and web application development. The company is praised for its seamless team integration and customer focus, with 100% of reviews highlighting effective communication and project management. Clients appreciate their responsiveness, transparency, and expertise in web programming and front-end development.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 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
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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.