Top JavaScript Developers
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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 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.
Reviews mention Dedicated
The overall sentiment regarding Digis' dedication is highly positive. Clients have praised their team's commitment, noting impressive responsiveness, even outside regular hours. One client highlighted that developers were available at 1 a.m. local time, demonstrating exceptional dedication. Additionally, they consistently meet milestones and deadlines, showcasing strong project management skills. Overall, clients commend Digis for their unwavering commitment to project success, even under challenging circumstances.-
UI/UX Design, Mobile App & Web Dev for Sports Equipment Co
5.0 Apr 26, 2023I’m most impressed with Digis’ management skills and dedication because they work at any time. I’ve contacted Digis’ developers at 1 a.m. of their local time, and they’re still working. Digis’ team dedication is hard to find.
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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
Client feedback on Digis's JavaScript services reflects a high level of satisfaction, with 95% of reviews being positive. Many clients praised the expertise of their developers, particularly in frontend and full-stack development, noting timely delivery and effective communication as key strengths. Specific feedback highlighted significant improvements in project efficiency and feature development. Additionally, clients appreciated the agency's ability to provide skilled engineers quickly, confirming Digis as a reliable partner in enhancing their software solutions.
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Industry Experience
Digis has garnered positive feedback across various industries, including Media, Manufacturing, Information Technology, and Financial Services. They excel in software development, particularly in backend and frontend technologies like React, Angular, and Node.js, demonstrating strong project management and communication skills. Clients appreciate their adaptability and responsiveness, resulting in successful project outcomes, such as improved application functionality and streamlined user experiences. Industries like Media and IT have expressed high satisfaction with Digis' ability to integrate seamlessly into teams, indicating a strong fit for clients seeking expertise in these sectors.
Read All ReviewsSelect Industry to see insights
Human Resources Software Consulting Information technology Telecommunications Education Advertising & marketing Other industries Financial services eCommerce Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Wellness & Fitness Manufacturing MediaWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback on Digis highlights a strong sentiment regarding cost-effectiveness and value for money. Many clients noted that Digis offered competitive pricing while delivering quality work, with comments like "pricing fit our budget" and "good value for cost". Clients appreciated the alignment of company values, effective communication, and timely delivery, suggesting a reliable partnership. Overall, Digis is perceived as a cost-effective solution that meets client expectations without compromising on quality.Was this helpful?
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$25,000+$100 - $149 / hr10 - 49Ciudad de México, Mexico
Services provided
15% Web Development20% Business Consulting20% Custom Software Development +320% Mobile App Development15% AI Development10% UX/UI DesignFocus Areas
50% JavaScript50% TypescriptSee all 15 projectsNolte is a web development company specializing in custom website and web application development, often utilizing WordPress. Their reviews highlight strong project management, prompt communication, and expertise in both front-end and back-end development. Approximately 90% of reviewers emphasize their professionalism and ability to work with non-technical clients, though some suggest improvements in communication and project pacing.
Reviews mention Proactive
Client feedback indicates a strong sentiment towards Nolte's proactive approach. For instance, a marketing assessment specialist praised their promptness in addressing requests and problem-solving, especially during off-hours. Similarly, a business development manager noted Nolte's proactive research and suggestions tailored to the mortgage industry, which exceeded expectations. Overall, clients consistently highlighted Nolte's responsiveness and ability to anticipate needs, contributing to a positive engagement experience.-
Web Redesign & Rebranding for Mortgage Lending Firm
4.5 May 19, 2017They are in-the-know about a multitude of industries in general. When we spoke to them, Nolte’s people had done their research, and suggested certain colors and looks based upon the research conducted with other finance corporations. It was very proactive of them, given that most people would have just given us some artwork and asked for an impression.
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Industry Experience
Nolte has demonstrated expertise across various industries, including Real Estate, Information Technology, Education, Advertising & Marketing, Manufacturing, Media, Energy & Natural Resources, and Financial Services. Feedback highlights their strengths in project management, website development, branding, and user experience design. Overall sentiment is positive, with clients praising their responsiveness, professionalism, and ability to adapt to specific industry needs. Potential clients in these sectors can expect strong collaboration and impactful results.
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Real estate Information technology Education Advertising & marketing Manufacturing Media Energy & natural resources Financial services Arts, entertainment & music ConsultingWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Nolte's pricing is generally perceived as fair and offers good value for money, with multiple clients reporting costs below $10,000 for various projects. For instance, one client noted an investment of approximately $30,000 for an e-commerce website, highlighting Nolte's ability to work within budgets. Overall, clients commend the quality of work provided relative to the investment, often expressing satisfaction with the outcomes and the professional appearance of their projects.Was this helpful?
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$5,000+$25 - $49 / hr10 - 49
Services provided
50% Web Development40% Search Engine Optimization10% Web DesignFocus Areas
15% JavaScript25% PHP20% AJAX +220% Python20% SQLSee all 1 projectsHostimus is a web development company specializing in website development, web design, and online development. The company is praised for its attentiveness and personalized service, with 100% of reviews highlighting their responsiveness and project management skills. Positive feedback emphasizes their ability to align with client values and provide value for cost.
1 of 1 Web Development reviews are 5 starsLess than $10,000 avg. project costRead 1 ReviewWeb Development PROJECT HIGHLIGHT
Web Dev, Design & Branding for Farming Organization
5.0 — Hostimus developed and designed a website for a farming organization. The team hosted and secured the site and provided the client with guidance; they also helped them build a brand identity and fix Read moreWas this helpful?
Industry Experience
Hostimus has demonstrated expertise in the Agriculture industry, specifically aiding small farming organizations with website development and hosting solutions. Clients appreciate their personalized approach, attentive service, and ability to deliver projects on time, contributing significantly to brand and community engagement. The sentiment is overwhelmingly positive, highlighting strengths in communication and support. Hostimus appears to be an excellent fit for clients in agriculture seeking tailored digital solutions.
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AgricultureWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Hostimus's competitive pricing and strong value for money. One client noted that their pricing 'fits our budget' and emphasized 'good value for cost.' The company is praised for its attentive service and quick problem-solving, contributing to a positive overall sentiment regarding cost-effectiveness. Clients appreciate the balance of affordability and quality, reinforcing Hostimus's reputation as a valuable partner in web development and hosting.Was this helpful?
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UndisclosedUndisclosed10 - 49Washington, DC
Services provided
15% Web Development20% Digital Strategy20% Mobile App Development +315% Pay Per Click15% Social Media Marketing15% Web DesignFocus Areas
100% JavaScriptBlueprint Interactive is a Digital Strategy company. They are headquartered in Washington, District of Columbia, and their services include Digital Strategy and Mobile App Development.
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UndisclosedUndisclosed10 - 49Fargo, ND
Services provided
15% Web Development15% Content Marketing15% Graphic Design +415% Market Research15% Marketing Strategy15% Social Media Marketing10% Media Planning & BuyingFocus Areas
50% JavaScript50% PHPDMA Digital is a Fargo, North Dakota-based Content Marketing company. Founded in 2017, the team focuses on Content Marketing and Graphic Design.
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UndisclosedUndisclosed10 - 49Wausau, WI
Services provided
15% Web Development15% Web Design14% E-Commerce Development +414% Email Marketing14% Pay Per Click14% Search Engine Optimization14% Social Media MarketingFocus Areas
50% JavaScript50% Other programming & scripting languagesWeb design agency Virtual Vision Computing, LLC focuses on Web Design and Web Development. They were founded in 1996.
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UndisclosedUndisclosed10 - 49Modesto, CA
Services provided
15% Web Development15% Content Marketing15% Conversion Optimization +415% Direct Marketing15% Email Marketing15% Search Engine Optimization10% Pay Per ClickFocus Areas
50% JavaScript50% PHPT3 Direct is a Modesto, California-based Content Marketing company. Their services include Content Marketing and Conversion Optimization.
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UndisclosedUndisclosed10 - 49Nottingham, England
Services provided
40% Web Development20% Mobile App Development20% Search Engine Optimization +210% AR/VR Development10% Web DesignFocus Areas
25% JavaScript25% Java25% Python +125% SwiftLooks OK is a website development firm. The team is based in Nottingham, England, and their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Barrie, Canada
Services provided
15% Web Development15% Content Marketing15% Conversion Optimization +415% Search Engine Optimization15% Social Media Marketing15% Web Design10% Graphic DesignFocus Areas
100% JavaScriptNet Gain is a Content Marketing company. Their team is based in Barrie, Canada. The company specializes in Content Marketing and Conversion Optimization.
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UndisclosedUndisclosed10 - 49Sydney, Australia
Services provided
15% Web Development20% Web Design15% IT Strategy Consulting +415% Search Engine Optimization15% Social Media Marketing10% Mobile App Development10% Pay Per ClickFocus Areas
50% JavaScript50% AJAXAusNep IT Solution is a Sydney, Australia-based web design company. Their services include Web Design and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Rio de Janeiro, Brazil
Services provided
15% Web Development15% E-Commerce Development15% Mobile App Development +415% Pay Per Click15% Search Engine Optimization15% Web Design10% Digital StrategyFocus Areas
50% JavaScript50% PHPFounded in 2005, Guerra Byte is a small Rio de Janeiro, Brazil-based e-commerce development company. Their team focuses on E-Commerce Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Zaporizhzhia, Ukraine
Services provided
40% Web Development30% Blockchain30% Mobile App DevelopmentFocus Areas
25% JavaScript25% Objective C25% PHP +125% SwiftLaunched in 2017, CubeX-Ukraine is a website development firm. Located in Zaporizhzhia, Ukraine, the team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Kingston, Jamaica
Services provided
15% Web Development20% Custom Software Development20% UX/UI Design +315% Application Testing15% IT Managed Services15% Mobile App DevelopmentFocus Areas
50% JavaScript50% PythonSpeur Professional Services LLC. Is an UX company founded in 2017. The company specializes in UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Darmstadt, Germany
Services provided
15% Web Development20% Custom Software Development20% Mobile App Development +315% BI & Big Data Consulting & SI15% IT Staff Augmentation15% IT Strategy ConsultingFocus Areas
50% JavaScript50% PHPBased in Darmstadt, Germany and Zürich, Switzerland, orquidea IT Services GmbH is a custom software development firm. They specialize in Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Orlando, FL
Services provided
15% Web Development15% Content Writing Services15% Pay Per Click +415% Search Engine Optimization15% Social Media Marketing15% Web Design10% E-Commerce DevelopmentFocus Areas
50% JavaScript50% PHPIn Orlando, Florida, Sanchez Technologies is a social media marketing firm. The team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Lisboa, Portugal
Services provided
15% Web Development15% AI Development15% Application Testing +415% IT Managed Services15% IT Strategy Consulting15% Mobile App Development10% Web DesignFocus Areas
50% JavaScript50% JavaNowday is a small IT strategy consulting company located in Lisboa, Portugal. Their services include IT strategy consulting and IT managed services.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
10% Web Development15% Mobile App Development10% AR/VR Development +1010% Custom Software Development10% E-Commerce Development10% Low/No Code Development5% AI Development5% Application Management & Support5% Application Testing5% Blockchain5% IoT Development5% Other Application Development5% Wearable App DevelopmentFocus Areas
19% JavaScript38% Python19% Ruby +213% Redux11% SwiftCodezbit is a website development company. The team provides Web Development and Mobile App Development, and the agency is in Lahore, Pakistan.
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$1,000+$50 - $99 / hr2 - 9Rolleston, New Zealand
Services provided
10% Web Development20% Graphic Design10% Branding +610% Business Consulting10% E-Commerce Development10% IT Strategy Consulting10% Mobile App Development10% Search Engine Optimization10% Web DesignFocus Areas
10% JavaScript35% PHP25% SQL +410% AJAX10% HTML55% C#5% Other programming & scripting languagesNetspace is a graphic design company. They offer Graphic Design and Branding and are located in Rolleston, New Zealand.
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$1,000+< $25 / hr2 - 9Kolkata, India
Services provided
10% Web Development10% Branding10% Graphic Design +710% Logo10% Packaging Design10% Pay Per Click10% Product Design10% Product Marketing10% Search Engine Optimization10% Web DesignFocus Areas
10% JavaScript25% PHP25% Python +515% XML10% C++5% ASP.NET5% HTML55% jqueryUGD Solution is a branding agency. Their small team is headquartered in Kolkata, India. Their services include Branding and Search Engine Optimization.
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Undisclosed< $25 / hr50 - 249
Services provided
10% Web Development20% Blockchain10% AR/VR Development +610% Branding10% Graphic Design10% Low/No Code Development10% Mobile App Development10% Public Relations10% Video ProductionFocus Areas
14% JavaScript16% HTML514% C# +414% C++14% PHP14% Python14% UnrealScriptEstablished in 2016, Tridentverse is a mobile application development company. The midsize team specializes in Mobile App Development and Blockchain.
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$5,000+< $25 / hrFreelancerParañaque, Philippines
Services provided
20% Web Development60% Custom Software Development10% Mobile App Development +25% E-Commerce Development5% Other Application DevelopmentFocus Areas
10% JavaScript50% PHP10% AJAX +310% Redux10% SQL10% Visual BasicLogios Dev is a custom software development firm. They are located in Parañaque, Philippines and have small team of experts. Their services include Custom Software Development and Web Development.
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$10,000+< $25 / hr10 - 49Navi Mumbai, India
Services provided
10% Web Development19% Low/No Code Development15% E-Commerce Development +815% Mobile App Development10% AI Development10% Custom Software Development5% CRM Consulting and SI5% ERP Consulting and SI5% IT Managed Services5% IT Staff Augmentation1% BI & Big Data Consulting & SIFocus Areas
10% JavaScript20% Other programming & scripting languages10% ASP.NET +610% Java10% Kotlin10% PHP10% Python10% SQL10% SwiftSee all 1 projectsIndigloo Softwares is a versatile creative Software Development firm , We perform world-class custom software development services for startups, small-to-midsize (SMB), and enterprise-size
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$5,000+$25 - $49 / hr10 - 49
Services provided
10% Web Development20% Custom Software Development20% IT Managed Services +420% IT Staff Augmentation10% E-Commerce Development10% IT Strategy Consulting10% Mobile App DevelopmentFocus Areas
10% JavaScript10% AJAX10% ASP.NET +710% Apex10% C#10% Java10% PHP10% SQL10% Visual Basic10% XMLEXE Corp is an IT managed services company in Ho Chi Minh City, Vietnam. The team focuses on IT managed services and IT staff augmentation.
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$10,000+$50 - $99 / hr10 - 49Tallinn, Estonia
Services provided
10% Web Development50% Custom Software Development10% UX/UI Design +510% Web Design5% Application Testing5% Blockchain5% E-Commerce Development5% IT Staff AugmentationFocus Areas
10% JavaScript70% Typescript10% PHP +110% SQLLaunched in 2019, Visioncraft OÜ, a small custom software development company, is located in Tallinn, Estonia. Their team specializes in Custom Software Development and Web Design.
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UndisclosedUndisclosed2 - 9
Services provided
10% Web Development20% IT Strategy Consulting20% Low/No Code Development +415% BI & Big Data Consulting & SI15% Cloud Consulting & SI10% IT Managed Services10% Robotics Process AutomationFocus Areas
15% JavaScript25% Other programming & scripting languages20% HTML5 +320% SQL10% Java10% XMLIT strategy consulting company AutoMatrix Solutions was founded in 2023. The small team offers IT strategy consulting and Low/No Code Development.
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$1,000+< $25 / hr2 - 9Abuja, Nigeria
Services provided
10% Web Development10% AR/VR Development10% Web Design +155% Content Marketing5% Corporate Training & Coaching5% Digital Strategy5% E-Commerce Development5% Email Marketing5% Finance & Accounting Outsourcing (FAO)5% Graphic Design5% Logo5% Pay Per Click5% Print Design5% Search Engine Optimization5% Social Media Marketing5% UX/UI Design3% Mobile & App Marketing2% Video ProductionFocus Areas
11% JavaScript12% AJAX11% SQL +1211% Visual Basic5% ASP5% Ember.js5% Java5% Objective C5% Other programming & scripting languages5% PHP5% Perl5% Python5% Ruby5% Swift5% TypescriptSmall web design company Tradez Online., is in Abuja, Nigeria. The team provides Web Design and Web Development.
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Undisclosed$25 - $49 / hrFreelancerIndore, India
Services provided
20% Web Development30% Custom Software Development30% Mobile App Development +120% E-Commerce DevelopmentFocus Areas
10% JavaScript40% Python40% Ruby +110% PHPHire Software Experts is a software development company. The team offers Custom Software Development and Mobile App Development, and the company is based in Indore, India.
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$10,000+$50 - $99 / hrFreelancer
Services provided
10% Web Development20% Custom Software Development10% API Development +610% Application Testing10% Cloud Consulting & SI10% Content Marketing10% Enterprise App Modernization10% Low/No Code Development10% UX/UI DesignFocus Areas
20% JavaScript15% Typescript10% Ember.js +810% HTML510% Redux10% SQL5% AJAX5% Java5% PHP5% XML5% jqueryLocated in Asnières-sur-Seine, France, Devedanos is a software development firm. Launched in 2022, the team focuses on Custom Software Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Oko Erin, Nigeria
Services provided
25% Web Development25% Branding25% Digital Strategy +215% Web Design10% Low/No Code DevelopmentFocus Areas
50% JavaScript30% Other programming & scripting languages20% KotlinSee all 1 projectsFoenix Hub - Out of Business was a company specializing in Website Development, providing services for both personal and international client needs. Reviews highlighted their outstanding responsiveness and exemplary customer service, with 100% positive feedback regarding their project management and communication style.
1 of 1 Web Development reviews are 5 starsUnknown avg. project costRead 1 ReviewWeb Development PROJECT HIGHLIGHT
Website Development for Writing Agency
5.0 — Foenix Hub provided website development services for a writing agency. Read moreWas this helpful?
Industry Experience
Foenix Hub has received positive feedback primarily in the publishing industry, where they demonstrated strong expertise in website development. Clients praised their exceptional customer service, responsiveness, and effective project management. The overall sentiment is highly favorable, highlighting their impact on personal and client projects. This provider is particularly well-suited for businesses in the publishing sector seeking reliable web development solutions.
Read All ReviewsSelect Industry to see insights
PublishingWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have expressed high satisfaction with Foenix Hub's pricing and value for money, highlighting their outstanding customer service and responsiveness. One client noted that the company delivered exceptional website development services, with no areas for improvement identified. The overall sentiment indicates that clients feel they received excellent value relative to the costs incurred, which was a key factor in their selection of the vendor.Was this helpful?
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$5,000+$100 - $149 / hr2 - 9Sebastopol, CA
Services provided
25% Web Development25% Branding25% Mobile App Development +125% UX/UI DesignFocus Areas
50% JavaScript50% AJAXIn Sebastopol, California and Santa Cruz, California, 1stWave Interactive is a branding company. Founded in 2010, the team specializes in Branding and UX/UI Design.
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$10,000+$100 - $149 / hr2 - 9San Diego, CA
Services provided
25% Web Development30% Custom Software Development15% Mobile App Development +310% Cybersecurity10% UX/UI Design10% Wearable App DevelopmentFocus Areas
100% JavaScriptSoftware development company Notch8 is based in San Diego, California. Launched in 2007, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
Services provided
25% Web Development25% E-Commerce Development25% Graphic Design +125% IT Strategy ConsultingFocus Areas
50% JavaScript50% PHPTalik Creative Agency is an e-commerce development company established in 2014. Based in Portland , Oregon, the team focuses on E-Commerce Development and Graphic Design.
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UndisclosedUndisclosed2 - 9Boca Raton, FL
Services provided
25% Web Development25% IT Managed Services25% Mobile App Development +125% UX/UI DesignFocus Areas
100% JavaScriptNextGen Software LLC is an UX company. Their small team is based in Boca Raton, Florida. Their services include UX/UI Design and IT managed services.
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UndisclosedUndisclosed2 - 9Middle Valley, TN
Services provided
25% Web Development25% E-Commerce Development25% IT Managed Services +125% Web DesignFocus Areas
50% JavaScript50% Other programming & scripting languagesKaren's World of Design is an e-commerce development firm. They are located in Middle Valley, Tennessee and have small team. Their team focuses on E-Commerce Development and IT managed services.
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UndisclosedUndisclosed2 - 9Lakewood, CO
Services provided
25% Web Development25% Custom Software Development25% IT Managed Services +125% Web DesignFocus Areas
50% JavaScript50% PHPFounded in 1999, Admirable Consulting is a software development firm. Based in Lakewood, Colorado, the team focuses on Custom Software Development and IT managed services.
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UndisclosedUndisclosed2 - 9București, Romania
Services provided
25% Web Development25% Mobile App Development25% Search Engine Optimization +125% Web DesignFocus Areas
100% JavaScriptContrast Design Studio, a mobile app development firm, is headquartered in București, Romania. They focus on Mobile App Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Bratislava, Slovakia
Services provided
100% Web DevelopmentFocus Areas
25% JavaScript25% PHP25% SQL +125% XMLEstablished in 2012, Jozef Hindický, MSc - Web developer Bratislava is a web development company. The team specializes in Web Development.
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UndisclosedUndisclosed2 - 9Palma, Spain
Services provided
40% Web Development45% Web Design15% Content MarketingFocus Areas
35% JavaScript35% Visual Basic30% XMLWeb design agency redywebs was established in 1996. The company specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9București, Romania
Services provided
25% Web Development25% IT Managed Services25% IT Strategy Consulting +125% Web DesignFocus Areas
50% JavaScript50% PHPIT managed services company Qwerty Solutions was established in 2006. The team provides IT managed services and IT strategy consulting and is based in București, Romania.
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UndisclosedUndisclosed2 - 9Deerfield Beach, FL
Services provided
25% Web Development25% Business Consulting25% Search Engine Optimization +125% Social Media MarketingFocus Areas
50% JavaScript50% PHPBusiness Consulting company Acuitive Digital is in Deerfield Beach, Florida. The team specializes in Business Consulting and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9München, Germany
Services provided
25% Web Development30% Custom Software Development25% Application Testing +120% Application Management & SupportFocus Areas
100% JavaScriptCustom software development firm Synaptic Network is located in München, Germany. They focus on Custom Software Development and Application Testing and were launched in 2010.
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UndisclosedUndisclosed2 - 9München, Germany
Services provided
25% Web Development25% Mobile App Development25% UX/UI Design +125% Web DesignFocus Areas
100% JavaScript42robots.com is an UX design agency founded in 2011. The agency provides UX/UI Design and Mobile App Development.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
Services provided
25% Web Development25% Email Marketing25% Graphic Design +125% Web DesignFocus Areas
100% JavaScriptEmail Marketing company LG SITIOS - Diseño web Argentina is based in Rosario, Argentina. They offer Email Marketing and Graphic Design.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
Services provided
25% Web Development25% Custom Software Development25% E-Commerce Development +125% Web DesignFocus Areas
50% JavaScript25% PHP25% PythonLaunched in 2012, Sitios y Web is a small Bogotá, Colombia-based custom software development company. Their team offers Custom Software Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9McKinney, TX
Services provided
25% Web Development25% E-Commerce Development25% Social Media Marketing +125% Web DesignFocus Areas
50% JavaScript50% AJAXSILK Media Solutions LLC is an e-commerce development firm. They are based in McKinney, Texas and have small team. They provide E-Commerce Development and Social Media Marketing.
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UndisclosedUndisclosed2 - 9McKinney, TX
Services provided
25% Web Development25% Search Engine Optimization25% Social Media Marketing +125% Web DesignFocus Areas
50% JavaScript50% PHPIn McKinney, Texas, PRO Marketing Links is a SEO company. They provide Search Engine Optimization and Social Media Marketing and were established in 2010.
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UndisclosedUndisclosed2 - 9Dublin 5, Ireland
Services provided
25% Web Development30% Web Design25% Search Engine Optimization +210% Pay Per Click10% Social Media MarketingFocus Areas
100% JavaScriptIWebDesign is a web design company. They are headquartered in Dublin 5, Ireland and have small team. Their services include Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Dallas, TX
Services provided
25% Web Development25% BI & Big Data Consulting & SI25% Custom Software Development +125% UX/UI DesignFocus Areas
100% JavaScriptHimara Technologies, Inc. Is a custom software development company. They were founded in 2019 and provide Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9
Services provided
100% Web DevelopmentFocus Areas
25% JavaScript25% PHP25% Python +125% SQLHC Media, a small website development company, is based in Austria. Their services include Web Development.
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UndisclosedUndisclosed2 - 9Alajuela, Costa Rica
Services provided
25% Web Development25% Application Testing25% Custom Software Development +125% UX/UI DesignFocus Areas
50% JavaScript30% Python20% PHPFounded in 2021, Factor K Software is a small Alajuela, Costa Rica-based user experience agency. Their services include UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Lustenau, Austria
Services provided
25% Web Development25% AI Development25% IoT Development +125% Mobile App DevelopmentFocus Areas
50% JavaScript50% PHPArkulpa GmbH, a web development company, was established in 2013. In Lustenau, Austria, the team specializes in Web Development and Mobile App Development.
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Ability to Deliver considers three criteria:
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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.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.