CoreBiz Engineering GmbH

Company Overview

In which countries do you actively serve clients?

Germany, German-speaking countries

ERPNext Experience

Since when have you been implementing ERPNext?

Since 2018 (added to product portfolio in 2018)

Do you contribute to ERPNext core or maintain publicly available Frappe apps? If yes, please link them.

Yes. CoreBiz Engineering maintains:

• erpnext_german_accounting: https://github.com/CoreBiz-Engineering/erpnext_german_accounting (Reports für deutsche Buchhaltung in ERPNext)

Functional Coverage

Which ERPNext modules do you implement in-house?

CoreBiz Works covers the typical business process modules including:

• CRM (lead management, customer relationships, sales opportunities)
• Sales (Vertrieb) — quotations through to invoicing
• Purchasing (Einkauf) — requisitions, purchase orders, goods receipts, supplier evaluation
• Warehouse / Inventory (Lager)
• Project Management (Projekte)
• Service / Support
• Accounting and Controlling (with German-specific reports)
• HR and Payroll (Personalwesen und Lohnabrechnung)

ERPNext modules can also be deployed individually — for example, CRM as a complement to an existing ERP system.

Do you cover local regulatory requirements (e.g. tax compliance, e-invoicing, payroll)?

Yes. CoreBiz Engineering specializes in:

• German accounting compliance (SKR03 implementation)
• German accounting reports (erpnext_german_accounting app)
• Adaptation of ERPNext for German market requirements
• SKR03 (standard German chart of accounts) integration for medium-sized enterprises

Technical Capabilities

Which hosting options do you offer or support?

CoreBiz cluster (cloud infrastructure with virtual machines for production, staging, and legacy system environments)

What is your customization philosophy?

Configuration of ERPNext with custom extensions where necessary

Do you develop custom Frappe apps for clients?

Yes, custom extensions as needed

Project Approach

What does your typical implementation process look like?

Installation, configuration, and maintenance of ERPNext systems with custom extensions

How do you handle data migration from legacy systems?

Flexible migration support (evidenced by Sage to ERPNext migration case with three virtual machine setup)

Post-Go-Live Support

Do you offer ongoing support contracts or managed services after go-live?

Yes, maintenance contracts that ensure upward compatibility of deployed systems, keeping them always up to date. Contracts cover system updates, upgrades, and technical support.

Do you offer training?

Yes. CoreBiz Engineering offers introductory courses and workshops. The workshop format has proven particularly effective: after an introduction to CoreBiz’s basic principles and architecture, the focus shifts to hands-on practice.

Migration Experience

From which systems have you migrated clients to ERPNext?

Sage ERP (documented case: Kelvin ABT migration from Sage ERP)

Is there a system you’ve migrated from particularly often?

Sage ERP appears to be a common migration path

References & Track Record

Can you share one or two case studies or anonymized project examples?

Yes, documented case study:

• Kelvin ABT: Building automation company that migrated from Sage ERP to ERPNext + CoreBiz Works with three-machine cluster setup (production, staging, legacy)

What is the typical size of your clients?

Medium-sized enterprises

Pricing

How do you structure your pricing?

Customized pricing based on requirements

Your Differentiator

What makes your approach to ERPNext implementation different from others?

CoreBiz Engineering’s focus is on providing ERPNext adapted specifically for the German market (CoreBiz Works). Their key differentiator is:

1. German Market Specialization: Dedicated adaptation of ERPNext for German accounting standards (SKR03) and regulatory requirements
2. German Accounting Reports: Development and maintenance of erpnext_german_accounting app for German accounting compliance
3. Flexible Infrastructure: CoreBiz cluster approach allowing flexible deployment with multiple environments (production, staging, legacy system coexistence)
4. Medium-Market Focus: Tailored solutions for German Mittelstand (medium-sized enterprises)
5. Open Source Commitment: Active development of public Frappe apps for German accounting and business requirements

Sources & Further Reading:

• CoreBiz Engineering GmbH Website
• CoreBiz Works ERPnext Adaptation
• GitHub - erpnext_german_accounting
• Kelvin ABT Case Study - Building Automation with ERPNext and CoreBiz
• CoreBiz Works Funktionsumfang
• CoreBiz Works Wartung (Maintenance)
• CoreBiz Schulung (Training)
• CoreBiz Works CRM Module (IT Works AG)
• CoreBiz Works Projektmanagement (IT Works AG)