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Top IT Service Providers for JavaScript in Poland

8 IT service providers ranked by rating, review volume and listing quality.

JavaScript spans more ground than any other language on this list. It runs in every browser, on servers through Node, and inside mobile and desktop applications, so a firm listing it may be doing front-end interface work, back-end services, or both.

The useful clarification is which part of the stack, and with what. Front-end work is dominated by a handful of frameworks and the choice affects hiring for years afterwards. Back-end JavaScript competes with other server languages and is chosen for good reasons and bad ones. Ask why they would pick it for your project specifically — a clear answer indicates a team choosing tools, and a vague one indicates a team using whatever they already know.

Want your company here?

Between them, the 8 IT service providers on this page cover node.js (7), mobile app development (6), web design (6) and iOS app (6). 8 of them have written a profile you can read before you get in touch.

We list more than 100 IT service providers in Poland listed for JavaScript development. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: BitBag, Ivision.pl and sunscrapers.

Before you shortlist, check

Which frameworks they use, and why for your project
Automated tests and code review as standard
Performance and accessibility targets agreed up front
How dependencies are kept up to date after launch

Filter by fitbudget, engagement, size and more

Lama Media
Mobile App Development · Custom Software Development · Web Development
Lama Media is a team of specialists who design and develop web and mobile applications, e-commerce platforms and complex websites.
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Lama Media
Mobile App Development · Web Development · iOS App
Lama Media is a software and web agency whose team designs and builds web applications, e-commerce platforms and large websites.
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TeaCode.io
Mobile App Development · Web Development · iOS App
TeaCode.io is a software development company from Poland that designs and builds custom web and mobile applications.
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Mobile Reality
Mobile App Development · Custom Software Development · Web Development
Mobile Reality is a software development company that builds web and mobile products and, more recently, AI agents for business.
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Black Company
Custom Software Development · Web Development · Web Design
Black Company is a team of web application developers based in Katowice, Poland.
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Digital Wolves
Custom Software Development · Web Development · Web Design
Digital Wolves is a team that delivers web and mobile applications.
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Enzode Sp. z o.o.
Mobile App Development · Web Development · Web Design
Enzode Sp. z o.o. is a software house that builds applications for omnichannel commerce, with e-commerce as its main focus.
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AppUnite Sp. z o.o.
Mobile App Development · Web Development · Web Design
AppUnite Sp. z o.o. is a Polish development agency that designs and builds web and mobile software.
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For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
Earned trust: verification, awards and the other checks a firm has actually passed
Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names Poland are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: USA (762) · UK (478) · India (392) · Germany (214).

Other specialisms in Poland: e-commerce (311) · UI/UX design (259) · Android app development (249) · iOS app development (232) · PHP development (159).

Every IT service provider in Poland: the full list.

Every category in Poland: the Poland country page.

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Top IT Service Providers for JavaScript in Poland

Lama Media

Lama Media

TeaCode.io

Mobile Reality

Black Company

Digital Wolves

Enzode Sp. z o.o.

AppUnite Sp. z o.o.