Software products & engineering
BMK HUB is a software company. We build mobile and multiplatform apps with Kotlin Multiplatform, bring AI and machine learning into real products, and develop our own software products, for clients and businesses across Europe. Based in Skopje, North Macedonia, in the Central European time zone.
More than 15 years of hands-on experience building mobile and software products for real users.
One shared Kotlin codebase for Android, iOS, desktop, web and the server, with native UI where it matters. New apps, or moving an existing Android app to Kotlin Multiplatform step by step.
Android and iOS apps from the first prototype to release and long-term maintenance, with a focus on performance and a clean architecture.
From data pipelines and model training in Python to on-device inference in Android, iOS and Kotlin Multiplatform apps: AI features that run reliably in production.
An e-invoicing API for invoicing apps, billing tools and online sellers. Send one JSON invoice and get back an XRechnung (Germany) or Peppol BIS Billing 3.0 invoice, or upload an e-invoice and get a readable validation report. ZUGFeRD / Factur-X is next.
Free online validator · free trial · paid plans from €29 / month
Each product does one thing well, and we say plainly what it does and what it doesn't do yet.
Our products run on servers in the EU, and we collect only the data we need.
No call centre and no ticket maze: write to us and the people who build the product answer, usually within one business day.
Planning a mobile app, moving an existing app to Kotlin Multiplatform, or adding AI to your product? Tell us what you need, and we'll get back to you within one business day.
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