Top IT Service Providers for JavaScript

Between them, the 69 best-ranked of these 72 IT service providers cover web development (65), mobile app development (46), web design (43) and android (41). They also list work in Delhi NCR and Ahmedabad. 68 of them have written a profile you can read before you get in touch.

1. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
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   Peregrine InfoWorld

   Mobile App Development · Web Development · iOS App · Also in United States of America

   Peregrine InfoWorld is a software development firm that works as an outsourcing partner for clients around the globe.

   Write a review
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   PrimeHammer

   Mobile App Development · Web Development · E-Commerce Development · Also in Czech Republic

   PrimeHammer, written primehammer on its site, is a Czech software studio that places vetted engineers from Europe and Latin America with client teams.

   Write a review
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   R

   ReactGeeks

   Mobile App Development · Web Development · iOS App · Also in Germany

   ReactGeeks supplies experienced React.js and React Native developers, and also advises and builds for clients.

   Write a review
5. –

   RS

   Red Sequence

   Mobile App Development · Web Development · Web Design · Also in United Kingdom

   Red Sequence is a software firm specialising in Azure, .NET, full-stack JavaScript and related web technologies.

   Write a review
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   Saburly

   Mobile App Development · Search Engine Optimization · Web Development · Also in United States of America

   Saburly is an engineering team that designs and builds digital products. It organises its offer into three areas: design, web and mobile.

   Write a review
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   Shrine Development

   Web Development · iOS App · Software Development · Also in United States of America

   Software development studio building iOS apps and JavaScript interfaces, with business strategy support for entrepreneurs

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   On record: Boutique

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   Silvae Technologies

   Web Development · Web Design · iOS App · Also in Bulgaria

   Silvae Technologies is a software company based in Ruse, Bulgaria. It builds connective layers between business systems, so that data moves and processes run automatically.

   Write a review
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   Simply Technologies

   Software Development · Software Testing · Mobile Platforms · Also in United States of America

   Simply Technologies is a software development company that specialises in JavaScript and related technologies.

   Write a review
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    SA

    Sonat AS

    Artificial Intelligence - AI · Web Development · Software Development · Also in Norway

    Sonat AS is a technology consultancy with offices in Oslo, Bergen and Trondheim. It works on digital projects where processes, IT and people meet.

    Write a review
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    Stack Summation

    Mobile App Development · Web Development · iOS App · Also in India

    Stack Summation is a software development agency in India that builds web and mobile applications for businesses. Its core team has about two decades of combined experience.

    Write a review
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    STS Tech

    Mobile App Development · Web Development · iOS App · Also in United States of America

    STS Tech is a web agency that designs and builds websites, online shops and web applications.

    Write a review
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    SH

    Studio Hyperdrive

    Mobile App Development · Web Development · Web Design · Also in Belgium

    Studio Hyperdrive is a digital development studio that builds products on the core web technologies HTML, CSS and JavaScript.

    Write a review
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    SwarmOnline Ltd

    Mobile App Development · Web Development · iOS App · Also in United Kingdom

    SwarmOnline Ltd is a software developer based in Scotland that builds bespoke cloud and mobile applications.

    Write a review
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    TAGsoft

    Mobile App Development · Web Development · iOS App · Also in Ukraine

    Full-cycle development company building mobile apps, web platforms, bots and custom CRM systems for small and mid-sized firms

    Write a review
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    Taner Media

    Mobile App Development · Search Engine Optimization · Web Development · Also in United States of America

    Taner Media is a New York agency that covers web development, digital marketing and graphic design under one roof.

    Write a review
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    The Frontside Inc.

    Mobile App Development · Web Development · Web Design · Also in United States of America

    The Frontside Inc. is a custom software development firm. It works for a broad range of clients on difficult digital product problems.

    Write a review
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    Think Tanker

    Mobile App Development · Web Development · iOS App · Also in India

    Think Tanker, written as ThinkTanker on its site, is a technology consulting and software company.

    Write a review
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    WebbyLab

    Custom Software Development · Web Development · Web Design · Also in Kyiv

    WebbyLab is a Ukrainian software company that builds complex web projects, web services and rich JavaScript applications.

    Write a review
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    X1 Group

    Mobile App Development · Custom Software Development · Web Development · Also in Germany

    X1 Group is a product development company with its headquarters in Berlin, Germany and development offices in Eastern Europe.

    Write a review
21. Joined since the Q4 2026 edition. These listings arrived after the edition was ranked; they get a place at the next one (January 2027).
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    Corptek Pty Ltd

    Mobile App Development · Web Development · iOS App · Also in Australia

    Melbourne software and IT company offering custom software, mobile apps, AI, infrastructure support and security services

    Write a review
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    reinteractive

    Mobile App Development · Web Development · Web Design · Also in Australia

    reinteractive develops applications mainly in Ruby on Rails, and its work runs from the first scoping conversation through to hosting and long-term support.

    Write a review

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