
Open Source ERP: The Right Partner for Introduction
In today's digitalized business world, a powerful enterprise resource planning (ERP) system is essential for many companies to remain competitive. It integrates...

We develop business apps that digitize your internal processes – from mobile field apps to internal portals and workflow tools.
Business App Development
Business apps fit your workflows: data capture in the field, approvals, reporting, links to ERP and CRM. We build web and mobile apps your team uses every day – simple, fast and aligned with how you work. Not a generic product, but a solution that fits your business.
“Field apps need offline plans and conflict resolution—pure online forms fail on site and in warehouses.”
Thorsten Frieling, Senior Developer & Project Manager, Groenewold IT Solutions

Business apps pay off when workflows, roles and integrations are nailed down early. If you have a process in mind—field data, approvals, ERP handover—a short call is the best way to translate it into a roadmap, budget range and an iteration plan that your team can actually run.
Thorsten Frieling – Project management
Frequently Asked Questions
From around €20,000 excl. VAT for a focused internal tool; with mobile, workflows and ERP integration from €40,000 excl. VAT. We scope after a short workshop.
Yes, where needed. We build mobile and web apps with offline data capture and sync when online – for field service and on-site use.
Yes. We connect to common ERP, CRM and other systems so data flows in and out and the app fits into your existing landscape.
Typically 2–4 months for a first release. We deliver in iterations so you can use core features early and add more later.


„A business app entwicklung solution only pays off when processes, roles, and integrations are end-to-end—not another silo.“
Faster Clarity
Let's sort out scope, risks, and quick wins.
Ideal when you need to make decisions fast – without months of groundwork.
30 min strategy call – 100% free & non-binding
The approach described on this page is based on our experience from over 250 projects. We combine clear scoping, pragmatic technology choices, and measurable results. If your situation matches this solution, the next step is usually a short workshop or audit to prioritise measures and estimate effort. Many digitalisation projects are eligible for funding – we can advise you on suitable programmes.
Browse all solutions by use case, industry, and application type. For our service portfolio, see Services; for in-depth topic articles, see Topics. Key terms are explained in our IT Glossary. For a non-binding discussion about Business App Development or a custom proposal, please contact us.
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