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Software Development Company

300.codes

Polish software house building websites, web and mobile apps and e-commerce for marketing-led businesses

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About 300.codes

300.codes is a software house that builds websites and applications aimed at marketing and sales goals. It belongs to a group with a digital marketing business called KERRIS. Its site is written in Polish.

What 300.codes offers

Web development — websites, web applications and custom software.
E-commerce — online shops and sales platforms.
Mobile apps — for iOS, Android and Windows.
UX and UI design — interface work and testing of design options.
Product development — specification, MVP and digital transformation support.
Games and VR — Unity, WebGL and Unreal Engine work.

Who it works with

Pharmacy and drugstore retail, medical e-learning and food brands appear among its case studies, along with small and medium businesses.

Key facts

Technologies: PHP, Vue, React, Python, WordPress and Webflow
Also offers: a fixed-fee pricing model and GDPR and accessibility compliance work
Group experience: over 13 years of market experience

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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