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List of the Top JavaScript Development Companies
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
50% Web Development50% Custom Software DevelopmentFocus Areas
10% JavaScript10% ASP.NET10% C# +710% Java10% PHP10% Python10% Rust10% SQL10% Scala10% SwiftSee all 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
Reviews mention Creative
Clients commend Digis for their unique blend of creativity and technical excellence, which distinguishes them in the industry. One client highlighted their 'holistic and innovation-driven' approach to application development, leading to a robust B2B SaaS platform. The overall sentiment reflects high satisfaction with Digis' creative solutions and project management, as they consistently met expectations and delivered impressive results throughout the partnership.-
Custom Software Development for Digital Marketing Agency
5.0 Apr 19, 2024One of the most impressive aspects of working with Digis was their unique blend of creativity and technical excellence, which is not as common in the industry as one might think. Their approach to developing our application is holistic and innovation-driven, setting them apart from others.
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5 of 5 JavaScript reviews are 5 stars2 new reviews for JavaScript in past 6 months$10,000 – $49,000 avg. project costJavaScript Experience
Digis has received overwhelmingly positive feedback from clients regarding their JavaScript services, with 92% of reviews highlighting strong project management and timely delivery. Clients frequently commend their top-tier developers and effective communication, resulting in faster feature delivery and enhanced productivity. Notably, 100% of reviewers did not identify any areas for improvement. The consistent ability to meet deadlines and provide quality solutions has made Digis a preferred partner for various projects, demonstrating their expertise in JavaScript-based applications.
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16 of 22 Web Development reviews are 5 stars1 new review for Web Development in past 6 months$50,000 – $199,999 avg. project costRead 22 ReviewsWeb Development PROJECT HIGHLIGHT
Development Staff Augmentation for Online Cooking Platform
5.0 — Digis, a Fiverr company (NYSE: FVRR) provides staff augmentation services for an online cooking platform. The team is fully integrated into the client's existing agile squads and contributes to the Read moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praised Digis for their competitive pricing and strong value for money. Feedback highlighted that Digis' services fit within budget constraints while delivering high-quality work, leading to successful project outcomes. One client noted, 'Pricing fit our budget' and 'Good value for cost,' while another emphasized the 'excellent quality of work' relative to investment. Overall, clients expressed satisfaction with the return on investment, often noting timely deliverables and effective communication throughout the process.Was this helpful?
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$1,000+< $25 / hr2 - 9New Delhi, India
Services provided
60% Web Development20% Mobile App Development10% Application Management & Support +110% E-Commerce DevelopmentFocus Areas
20% JavaScript20% Java20% PHP +220% Python20% SQLHeadquartered in New Delhi, India, Website App Company is a small web development company. Their services include Web Development and Mobile App Development.
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$1,000+Undisclosed2 - 9Yerevan, Armenia
Services provided
40% Web Development30% E-Commerce Development15% UX/UI Design +115% Web DesignFocus Areas
30% JavaScript40% PHP20% SQL +110% AJAXWay2Up, a website development firm, was established in 2018. Headquartered in Yerevan, Armenia, the team provides Web Development and E-Commerce Development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
50% Web Development20% Direct Marketing10% Market Research +310% Web Design5% Logo5% Public RelationsFocus Areas
10% JavaScript80% PHP10% AJAXBriny Infoway is a website development firm. They were established in 2011, and their services include Web Development and Direct Marketing.
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$10,000+$25 - $49 / hr10 - 49Ho Chi Minh, Vietnam
Services provided
40% Web Development50% Mobile App Development10% UX/UI DesignFocus Areas
20% JavaScript20% PHP20% Python +320% Redux10% Java10% SwiftPogofdev Software Development Company is a mobile application development company. Their team is based in Ho Chi Minh, Vietnam. The company provides Mobile App Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Noida, India
Services provided
40% Web Development30% Mobile App Development15% Custom Software Development +115% UX/UI DesignFocus Areas
20% JavaScript10% ASP10% ASP.NET +710% Kotlin10% Python10% Redux10% Ruby10% Typescript5% Java5% PHPApptivtech Solutions Pvt. Ltd. Is a web development firm launched in 2017. Their services include Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Kolkata, India
Services provided
40% Web Development30% Custom Software Development20% Application Management & Support +110% Application TestingFocus Areas
20% JavaScript35% PHP20% C++ +315% SQL5% AJAX5% Other programming & scripting languagesTechwens Software Pvt Ltd is a website development company established in 2021. In Kolkata, India, the team offers Web Development and Custom Software Development.
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$5,000+$50 - $99 / hr2 - 9Wrocław, Poland
Services provided
10% Web Development25% E-Commerce Development20% Computer Engineering +415% Other IT Consulting and SI10% Custom Software Development10% Low/No Code Development10% Mobile App DevelopmentFocus Areas
35% JavaScript35% C#15% PHP +115% SQLCLOUD VENTURE is an e-commerce development company. Established in 2023, the agency is located in Wrocław, Poland. Their services include E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
25% Web Development15% Graphic Design15% Mobile App Development +415% Video Production10% Branding10% Low/No Code Development10% Web DesignFocus Areas
45% JavaScript15% Typescript10% PHP +310% Python10% Redux10% SQLBranding Routes™, a website development firm, was established in 2020. The company specializes in Web Development and Graphic Design.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
20% Web Development20% Branding20% Search Engine Optimization +220% UX/UI Design20% Web DesignFocus Areas
20% JavaScript20% C#20% HTML5 +220% PHP20% SQLDEVTICS TECHNOLOGIES is a branding agency. Established in 2018, their team provides Branding and Search Engine Optimization.
Read more$499 Social Media Integration, SEO Friendly, Responsive $999 Social Media Integration, SEO Friendly, Responsive $1,699 Social Media Integration, SEO Friendly, ResponsiveView PackagesWeb Development
These packages contains: Social Media Integration, SEO Friendly, Complete Deployment, 404 Page, SSL Certification, Dedicated Account manager, Mailing List Integration, Responsive Design, Cross Browser Compatibility, QA, Strategy Session.Was this helpful?
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$1,000+$25 - $49 / hr10 - 49Mumbai, India
Services provided
25% Web Development25% Mobile App Development20% E-Commerce Development +315% AR/VR Development10% Cloud Consulting & SI5% Custom Software DevelopmentFocus Areas
16% JavaScript32% PHP16% Python +314% Kotlin11% Java11% SQLEstablished in 2017, BitBute, a small website development firm, is based in Mumbai, India. Their team offers Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
35% Web Development30% Application Testing25% Custom Software Development +110% Low/No Code DevelopmentFocus Areas
10% JavaScript20% SQL15% ASP.NET +615% C#10% HTML510% PHP10% Python5% AJAX5% TypescriptSee all 2 projectsStrategic IT Partners offers services primarily in Website Development and Web Design. Reviews emphasize their commitment to delivering high-quality projects on time, with solid architecture and user-friendly interfaces. Clients appreciate their effective communication, adherence to deadlines, and the comprehensive documentation and testing provided.
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$10,000+$50 - $99 / hr2 - 9WARWICK, England
Services provided
20% Web Development25% Web Design15% UX/UI Design +710% Search Engine Optimization5% Content Marketing5% Custom Software Development5% Digital Strategy5% E-Commerce Development5% Logo5% Print DesignFocus Areas
20% JavaScript50% PHP20% AJAX +110% XMLLaunched in 2008, Edge of the Web is a web design agency. The company offers Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Bengaluru, India
Services provided
20% Web Development20% AI Development20% AR/VR Development +220% Custom Software Development20% Mobile App DevelopmentFocus Areas
67% JavaScript11% AJAX11% Redux +111% SQLSmooper Labs is a software development firm. They are in Bengaluru, India and have small team of experts. Their services include Custom Software Development and Artificial Intelligence.
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$5,000+$25 - $49 / hr10 - 49New Delhi, India
Services provided
30% Web Development50% Mobile App Development10% E-Commerce Development +110% Wearable App DevelopmentFocus Areas
30% JavaScript30% Java10% C++ +65% ASP.NET5% C#5% Objective C5% PHP5% SQL5% XMLSee all 1 projectsSrishta Technology Pvt Ltd specializes in Android app development, with a client portfolio that includes food delivery applications. The overall feedback from clients highlights their effective workflow, dedicated team, and commitment to achieving project perfection. Clients appreciate their attention to detail and continuous improvement throughout the development process.
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$25,000+$25 - $49 / hr10 - 49Skopje, North Macedonia
Services provided
40% Web Development30% E-Commerce Development20% AI Development +110% Mobile App DevelopmentFocus Areas
20% JavaScript30% ASP.NET20% C# +220% SQL10% PHPSmall website development firm WIDNET LLC Skopje, is headquartered in Skopje, North Macedonia. Their services include Web Development and E-Commerce Development.
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Undisclosed< $25 / hr2 - 9New Delhi, India
Services provided
30% Web Development20% Mobile App Development15% IT Strategy Consulting +315% UX/UI Design10% Custom Software Development10% Low/No Code DevelopmentFocus Areas
30% JavaScript40% Typescript10% HTML5 +210% Python10% ReduxTechVanch Innovations is a website development firm. Established in 2024, their team provides Web Development and Custom Software Development.
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$10,000+$50 - $99 / hr10 - 49Pefki, Greece
Services provided
10% Web Development10% Advertising10% Conversion Optimization +710% Digital Strategy10% Email Marketing10% Market Research10% Pay Per Click10% Search Engine Optimization10% Social Media Marketing10% UX/UI DesignFocus Areas
20% JavaScript70% PHP10% AJAXProtocol Digital Marketing is a small Advertising company established in 2001. Their team provides Advertising and Market Research.
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$5,000+< $25 / hr50 - 249Jaipur, India
Services provided
10% Web Development20% Custom Software Development10% AI Development +810% AR/VR Development10% IoT Development10% Mobile App Development10% Web Design5% AI Consulting5% Blockchain5% DevOps Managed Services5% IT Managed ServicesFocus Areas
11% JavaScript11% C++11% Java +911% Kotlin11% Other programming & scripting languages11% XML6% HTML56% PHP6% Python6% Swift6% Visual Basic4% SQLCustom software development firm Krishna Padam IT Solution Pvt. Ltd. Was founded in 2015. The agency provides Custom Software Development and Web Design.
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$10,000+$25 - $49 / hr2 - 9Gdynia, Poland
Services provided
25% Web Development25% Custom Software Development25% E-Commerce Development +310% Application Management & Support10% IT Strategy Consulting5% Application TestingFocus Areas
45% JavaScript30% PHP15% SQL +25% AJAX5% ASP.NETTurbo IT sp zoo is a Gdynia, Poland-based custom software development company. Launched in 2017, the team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Tallinn, Estonia
Services provided
10% Web Development25% BI & Big Data Consulting & SI25% Custom Software Development +225% IT Managed Services15% IT Strategy ConsultingFocus Areas
25% JavaScript40% Java25% PHP +110% PythonNetAngelS is a software development company. They were founded in 2007, and their services include Custom Software Development and BI & big data consulting & SI.
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$10,000+$50 - $99 / hr10 - 49BOU, Argentina
Services provided
25% Web Development20% Custom Software Development20% Mobile App Development +315% IT Staff Augmentation10% AI Development10% BlockchainFocus Areas
10% JavaScript20% Java20% Python +320% Ruby20% Swift10% PHPWebsite development company IT Crowd Argentina was founded in 2010. Located in BOU, Argentina, the team focuses on Web Development and Custom Software Development.
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$250,000+$300+ / hr10 - 49New York, NY
Services provided
30% Web Development30% Custom Software Development20% Digital Strategy +210% Application Management & Support10% Mobile App DevelopmentFocus Areas
30% JavaScript20% Other programming & scripting languages10% AJAX +610% PHP10% Perl5% Java5% Objective C5% SQL5% XMLRubyLaw is a New York, New York-based software development company. They focus on Custom Software Development and Web Development.
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$25,000+$150 - $199 / hr10 - 49Vancouver, Canada
Services provided
25% Web Development25% Mobile App Development20% UX/UI Design +220% Web Design10% Digital StrategyFocus Areas
35% JavaScript50% PHP15% PythonAffinity Bridge is a website development firm. The firm is in Vancouver, Canada. Their services include Web Development and Mobile App Development.
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$25,000+Undisclosed10 - 49Kennesaw, GA
Services provided
30% Web Development30% UX/UI Design30% Web Design +110% Digital StrategyFocus Areas
30% JavaScript35% PHP35% SQLUser experience company DynamiX was established in 2005. The team offers UX/UI Design and Web Design.
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$25,000+$50 - $99 / hr10 - 49Prague, Czech Republic
Services provided
80% Web Development10% Mobile App Development10% UX/UI DesignFocus Areas
10% JavaScript50% Python20% Typescript +215% SQL5% AJAXCOEX s.r.o. Is a website development firm founded in 2006. Their services include Web Development and UX/UI Design.
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$50,000+$100 - $149 / hr250 - 999Herzliya, Israel
Services provided
15% Web Development20% UX/UI Design15% Cloud Consulting & SI +415% Custom Software Development15% Mobile App Development10% IoT Development10% Product DesignFocus Areas
20% JavaScript20% Python15% ASP.NET +315% C15% C++15% JavaCodeValue, an user experience company, was established in 2010. The team offers UX/UI Design and Custom Software Development and is headquartered in Herzliya, Israel.
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Undisclosed$25 - $49 / hr250 - 999Santa Monica, CA
Services provided
25% Web Development20% E-Commerce Development15% Custom Software Development +315% Mobile App Development15% Other Application Development10% Low/No Code DevelopmentFocus Areas
10% JavaScript10% AJAX10% Kotlin +810% PHP10% Python10% Ruby10% Rust10% SQL10% Swift5% Java5% Visual BasicBuild Offshore Team, a software development firm, was established in 2012. The team provides Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr10 - 49Santa Ana, CA
Services provided
15% Web Development15% Pay Per Click15% Search Engine Optimization +610% Branding10% Digital Strategy10% Mobile App Development10% Social Media Marketing10% UX/UI Design5% Custom Software DevelopmentFocus Areas
34% JavaScript33% PHP33% PythonMAB Ventures is a SEO company. Founded in 2002, the team specializes in Search Engine Optimization and Pay Per Click.
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$1,000+$25 - $49 / hr10 - 49
Services provided
20% Web Development20% Mobile App Development10% AI Development +510% API Development10% Custom Software Development10% E-Commerce Development10% Low/No Code Development10% UX/UI DesignFocus Areas
15% JavaScript15% C#15% C++ +415% PHP15% Python15% SQL10% JavaSee all 1 projectsBrainfab offers Web Development services with a focus on MVP development, basic design, and SEO optimization. Reviews highlight their flexibility, effective communication, and punctual project delivery, emphasizing a client-centric approach. Notably, Brainfab is commended for their transparency and adaptability, making them a reliable choice for Website Development and Web Programming needs.
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$1,000+$25 - $49 / hr50 - 249
Services provided
10% Web Development15% Custom Software Development10% Blockchain +710% Business Consulting10% Cybersecurity10% E-Commerce Development10% IT Strategy Consulting10% IoT Development10% Web Design5% UX/UI DesignFocus Areas
10% JavaScript35% PHP25% Python +225% SQL5% AJAXSee all 1 projectsEpixel MLM Software offers customized and reliable MLM and e-commerce software solutions. Client feedback highlights the company's ability to deliver quality, personalized software that aligns with customer needs, though some suggest improvements in response times for changes or requests. Overall, Epixel MLM Software is highly regarded for its effective project management and value.
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Undisclosed< $25 / hr50 - 249Bengaluru, India
Services provided
25% Web Development25% Custom Software Development25% Mobile App Development +125% Web DesignFocus Areas
25% JavaScript25% Java25% PHP +125% PythonFortune Innovations San Diego is a custom software development firm. They are based in Bengaluru, India. Their team provides Custom Software Development and Mobile App Development.
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Undisclosed$25 - $49 / hr50 - 249
Services provided
20% Web Development20% Custom Software Development20% E-Commerce Development +220% Mobile App Development20% UX/UI DesignFocus Areas
30% JavaScript30% Java30% PHP +110% PerlFortune Innovations Liverpool is a Clerkenwell, England-based custom software development firm. Founded in 2009, the team focuses on Custom Software Development and UX/UI Design.
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Undisclosed$100 - $149 / hr50 - 249
Services provided
30% Web Development30% E-Commerce Development20% Custom Software Development +210% Enterprise App Modernization10% IT Strategy ConsultingFocus Areas
20% JavaScript50% PHP20% SQL +110% XMLFounded in 1998, basecom is an e-commerce development company. The firm specializes in E-Commerce Development and Web Development, and is midsize.
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$10,000+$25 - $49 / hr50 - 249New York, NY
Services provided
30% Web Development20% Mobile App Development10% Custom Software Development +510% E-Commerce Development10% Enterprise App Modernization10% IT Staff Augmentation5% Application Management & Support5% Wearable App DevelopmentFocus Areas
20% JavaScript60% Ruby10% Ember.js +25% Java5% Objective CLaunched in 2004, Icicle Technologies Pvt. Ltd. Is a website development company. The team provides Web Development and Mobile App Development.
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Undisclosed$25 - $49 / hr50 - 249Stockholm, Sweden
Services provided
25% Web Development25% Custom Software Development25% Mobile App Development +125% Other Application DevelopmentFocus Areas
25% JavaScript25% ASP.NET25% C++ +125% JavaSofthouse, a custom software development firm, was established in 1996. They provides Custom Software Development and Mobile App Development.
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Undisclosed$25 - $49 / hr2 - 9London, England
Services provided
20% Web Development20% IT Staff Augmentation20% Search Engine Optimization +315% Custom Software Development15% Social Media Marketing10% E-Commerce DevelopmentFocus Areas
45% JavaScript35% Typescript10% ASP.NET +110% HTML5HollowCore is a SEO company. Located in London, England, their team provides Search Engine Optimization and IT staff augmentation.
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$1,000+< $25 / hr10 - 49Yerevan, Armenia
Services provided
30% Web Development20% API Development20% Mobile App Development +220% Web Design10% LogoFocus Areas
20% JavaScript20% AJAX20% PHP +220% SQL20% TypescriptSee all 1 projectsSharpAnt LLC specializes in Website Development, offering services including comprehensive web design and full development. Their reviews highlight high-quality standards, on-time delivery, and exceptional project management, with a strong emphasis on client collaboration and responsiveness. The company successfully increased user engagement and delivered optimized web solutions, making them a reliable choice for Web Programming and Online Development projects.
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$1,000+$25 - $49 / hr50 - 249North Sydney, Australia
Services provided
25% Web Development20% Mobile App Development15% Custom Software Development +410% E-Commerce Development10% Low/No Code Development10% Search Engine Optimization10% Social Media MarketingFocus Areas
13% JavaScript20% Java20% PHP +615% Python11% SQL6% Other programming & scripting languages5% C#5% C++5% XMLG-Tech Solutions, a software development firm, is based in North Sydney, Australia. The team specializes in Custom Software Development and Web Development.
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$10,000+Undisclosed10 - 49Sibiu, Romania
Services provided
15% Web Development20% IT Staff Augmentation15% API Development +615% Microservices Architecture Services15% Mobile App Development5% Blockchain5% DevOps Managed Services5% Engineering5% IoT DevelopmentFocus Areas
20% JavaScript20% ASP.NET20% C# +420% Typescript10% Redux5% Ruby5% SQLNerds Computing is an IT staff augmentation company located in Sibiu, Romania. Their services include IT staff augmentation and Web Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
30% Web Development30% Other Design20% Mobile App Development +210% E-Commerce Development10% Low/No Code DevelopmentFocus Areas
15% JavaScript25% PHP15% HTML5 +415% Java10% AJAX10% SQL10% XMLSee all 1 projectsColorweb IT specializes in Website Development, Web Design, and online store creation, ensuring fast, SEO-optimized, and mobile-adapted solutions. Reviews consistently commend their professionalism, timely delivery, and effective communication, making them a reliable partner for web development projects.
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$1,000+< $25 / hr10 - 49Indore, India
Services provided
40% Web Development30% Custom Software Development10% E-Commerce Development +210% Mobile App Development10% Other Application DevelopmentFocus Areas
30% JavaScript30% PHP20% AJAX +45% Ember.js5% Redux5% SQL5% SwiftWeb development firm Vitechso Techlab was launched in 2018. Located in Indore, India, the team offers Web Development and Custom Software Development.
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Undisclosed$100 - $149 / hr2 - 9Delray Beach, FL
Services provided
10% Web Development10% Accounting10% Application Testing +710% Branding10% E-Commerce Development10% Ecommerce Marketing10% Logo10% Search Engine Optimization10% UX/UI Design10% Web DesignFocus Areas
10% JavaScript60% HTML510% Java +210% PHP10% SQLPalmy Studio is a branding firm. Founded in 2024, the team focuses on Branding and Search Engine Optimization.
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$10,000+$50 - $99 / hr10 - 49Ahmedabad, India
Services provided
10% Web Development30% Mobile App Development20% UX/UI Design +315% Custom Software Development15% Product Design10% Low/No Code DevelopmentFocus Areas
40% JavaScript25% Redux20% Typescript +115% AJAXSee all 1 projectsdizayn.io | Product Development Studio specializes in brand identity development, including logo creation and illustrations. Reviews highlight their diligent, pragmatic, and knowledgeable team, emphasizing their timely delivery and proactive communication. Clients appreciate their good value for cost and effective project management, with no significant areas indicated for improvement.
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$10,000+$100 - $149 / hr10 - 49Christchurch, New Zealand
Services provided
30% Web Development30% Custom Software Development20% Web Design +210% Mobile App Development10% UX/UI DesignFocus Areas
35% JavaScript35% Typescript30% PHPLaunched in 2015, Voyage is a small Christchurch, New Zealand-based custom software development firm. Their services include Custom Software Development and Web Development.
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Undisclosed$50 - $99 / hr10 - 49Cheltenham, England
Services provided
25% Web Development25% UX/UI Design20% Custom Software Development +215% Application Management & Support15% Mobile App DevelopmentFocus Areas
40% JavaScript35% C#15% SQL +25% Java5% PythonSAS Managed Applications is an UX company. They are headquartered in Cheltenham, England, and their services include UX/UI Design and Web Development.
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$1,000+$100 - $149 / hr10 - 49Fresno, CA
Services provided
35% Web Development50% Web Design15% Search Engine OptimizationFocus Areas
30% JavaScript35% PHP35% SQLNetricks, Inc. Is a web design agency. They are located in Fresno, California and Fresno, California. Their team provides Web Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
Services provided
25% Web Development25% Mobile & App Marketing25% Mobile App Development +125% Social Media MarketingFocus Areas
40% JavaScript40% Python10% Ember.js +110% PHPLevycon is a mobile application development company located in Gurugram, India. The team focuses on Mobile App Development and Mobile & App Marketing.
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$25,000+$50 - $99 / hr10 - 49Čakovec, Croatia
Services provided
15% Web Development80% Custom Software Development5% Mobile App DevelopmentFocus Areas
75% JavaScript25% TypescriptEstablished in 2009, Tria is a custom software development firm. The firm specializes in Custom Software Development and Web Development, and is small.
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$1,000+< $25 / hr50 - 249Melbourne, Australia
Services provided
15% Web Development15% Branding15% Call Center Services +415% Email Marketing15% Search Engine Optimization15% Social Media Marketing10% Web DesignFocus Areas
20% JavaScript20% C++20% Ember.js +220% Ruby20% SQLSee all 1 projectsOutsource Genius offers comprehensive SEO services, including website audits, keyword research, on-page optimization, technical SEO, content strategy, and link building. Reviews indicate that the company excels in project management, consistently delivering work on time and demonstrating a strong commitment to fulfilling client needs, showcasing reliability and professionalism. Overall, clients express high satisfaction with Outsource Genius' services and outcomes.
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$25,000+$50 - $99 / hr10 - 49Sarajevo, Bosnia and Herzegovina
Services provided
25% Web Development25% Mobile App Development20% Custom Software Development +220% E-Commerce Development10% Low/No Code DevelopmentFocus Areas
20% JavaScript20% Python20% Typescript +410% ASP.NET10% C#10% Redux10% SQLValens is a Sarajevo, Bosnia and Herzegovina-based software development company. They specialize in Custom Software Development and Web Development and were launched in 2019.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.5/40.019.2/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.