Proven Business Processes
ERP systems bring decades of best practices and optimized standard processes that have proven successful in thousands of companies.
ERP GUIDE
ERP, extended - or replaced. A short field guide.
When extending your ERP pays off, when replacing it is the more honest path, and how your processes stay yours throughout.
Schedule consultation →
- Save time
- Reduce costs
- Stay flexible
ERP
The Strengths of Standard ERP Systems
Why ERP systems form the backbone of modern enterprises
Integrated Data Landscape
All company data in one system - from finance to inventory to sales. No data silos, no redundancies.
Compliance & Legal Security
Built-in compliance features for tax law, data protection, and industry-specific regulations are continuously updated.
Scalability & Performance
Professional ERP systems are optimized for millions of transactions and grow seamlessly with your business.
Comprehensive Functionality
From accounting to HR to production - modern ERPs cover all core processes of a company.
Support & Development
Major providers guarantee long-term support, regular updates, and continuous development of their systems.
ERP systems are and will remain indispensable for your company's core processes. The challenge lies in optimally complementing them for your individual special processes.
ENTSCHEIDUNG
Do you need customizations to your ERP?
ERP Customization
- ERP core modified
- Update issues
- High costs
Safe Extension
- Clean Core
- Update-safe
- Flexible
74%
of companies using custom software attribute their business success to those individual solutions.
Customize ERP only when:
- Absolutely no alternative exists
- Legal requirements demand it
Extend ERP when:
- The ERP core still carries you
- Special processes need mapping
- Flexibility should be preserved
- Quick adjustments are needed
Replace ERP when:
- The core itself no longer carries you
- Every change becomes a consulting project
- Licence costs outweigh the benefit
- You have no ERP at all yet
VERGLEICH
Customization vs. Extension
Understand the differences and make the right decision
Technical Aspects
| ERP Customization | ERP Extension | |
|---|---|---|
| System Integrity | Core modifications endanger stability. Every change can have unforeseen effects on other modules. | ERP core remains untouched. Extensions communicate via defined interfaces and never endanger system stability. |
| Update Capability | Updates become nightmares. Every ERP update requires extensive adjustments and testing of all custom developments. | Updates run smoothly. Extensions use stable APIs and remain unaffected by ERP updates. |
| Performance | Custom code in ERP can impair overall performance. Database queries and processes become slower. | Optimal performance through separate resources. Extensions don't burden the ERP and can be scaled independently. |
| Technology Stack | Bound to often outdated ERP technology. Modern frameworks and tools cannot be used. | Free technology choice enables modern architectures. Use current frameworks, cloud services, and best practices. |
System Integrity
Core modifications endanger stability. Every change can have unforeseen effects on other modules.
ERP core remains untouched. Extensions communicate via defined interfaces and never endanger system stability.
Update Capability
Updates become nightmares. Every ERP update requires extensive adjustments and testing of all custom developments.
Updates run smoothly. Extensions use stable APIs and remain unaffected by ERP updates.
Performance
Custom code in ERP can impair overall performance. Database queries and processes become slower.
Optimal performance through separate resources. Extensions don't burden the ERP and can be scaled independently.
Technology Stack
Bound to often outdated ERP technology. Modern frameworks and tools cannot be used.
Free technology choice enables modern architectures. Use current frameworks, cloud services, and best practices.
Economic Factors
| ERP Customization | ERP Extension | |
|---|---|---|
| Initial Costs | High initial investments for ERP specialists. Complex development directly in the ERP system is time-consuming and expensive. | Moderate startup costs through efficient development. Developers can use modern tools and deliver quickly. |
| Maintenance Costs | Exploding maintenance costs over time. Every update, every change becomes more expensive and riskier. | Predictable, low maintenance costs. Changes are isolated and don't affect the overall system. |
| Vendor Lock-in | Total dependency on ERP vendor and specialized consultants. Switching practically impossible. | Flexibility preserved. Extensions can be replaced or migrated to other systems as needed. |
| ROI Speed | Long ROI due to high costs and risks. Benefits often only visible after months or years. | Fast ROI through agile development. First results often productively usable after just weeks. |
Initial Costs
High initial investments for ERP specialists. Complex development directly in the ERP system is time-consuming and expensive.
Moderate startup costs through efficient development. Developers can use modern tools and deliver quickly.
Maintenance Costs
Exploding maintenance costs over time. Every update, every change becomes more expensive and riskier.
Predictable, low maintenance costs. Changes are isolated and don't affect the overall system.
Vendor Lock-in
Total dependency on ERP vendor and specialized consultants. Switching practically impossible.
Flexibility preserved. Extensions can be replaced or migrated to other systems as needed.
ROI Speed
Long ROI due to high costs and risks. Benefits often only visible after months or years.
Fast ROI through agile development. First results often productively usable after just weeks.
Organizational Impact
| ERP Customization | ERP Extension | |
|---|---|---|
| Agility | Cumbersome change processes. Every small adjustment requires long planning and testing phases. | Maximum agility for quick adjustments. Changes can be implemented iteratively and without risk. |
| Innovation | Innovation hampered by technical constraints. New ideas often fail due to ERP limitations. | Innovation freedom through modern technologies. AI, IoT, mobile apps - everything is possible and integrable. |
| Knowledge Management | Critical knowledge concentrated with few ERP experts. High dependency on individuals. | Knowledge broadly distributed through standard technologies. New developers can be onboarded quickly. |
| Compliance & Security | Compliance risks through core modifications. Security updates can break custom code. | Compliance remains ensured. Security updates for ERP and extensions can be performed independently. |
Agility
Cumbersome change processes. Every small adjustment requires long planning and testing phases.
Maximum agility for quick adjustments. Changes can be implemented iteratively and without risk.
Innovation
Innovation hampered by technical constraints. New ideas often fail due to ERP limitations.
Innovation freedom through modern technologies. AI, IoT, mobile apps - everything is possible and integrable.
Knowledge Management
Critical knowledge concentrated with few ERP experts. High dependency on individuals.
Knowledge broadly distributed through standard technologies. New developers can be onboarded quickly.
Compliance & Security
Compliance risks through core modifications. Security updates can break custom code.
Compliance remains ensured. Security updates for ERP and extensions can be performed independently.
As long as your ERP core still carries you, extending beats customizing almost every time: more flexibility, lower risk, no customizations lost at the next upgrade. If the core no longer carries you - or you have no ERP at all - replacing it is the more honest path.
Schedule Consultation →EXTEND OR REPLACE
ERP, extended - or replaced?
Both are legitimate. It comes down to whether your ERP core still carries its weight.
When to extend
- Your ERP core works, but the edges don’t fit your processes
- You need workflows the vendor will never build
- You can keep finance in the ERP and run operations your way
When to replace
- Licensing and maintenance keep climbing without value
- Every change means an expensive consulting project
- The system dictates how you work instead of the reverse
- You have no ERP at all and need a complete system
In both cases ElbDesk can be the system itself: complete, production-ready, end-to-end - from orders through inventory and production to invoicing and accounting.
See the complete solutionPRAXIS
Best Practices for ERP Projects
Learn from successful digitalization projects
Recommended Approaches
Conduct Clear Process Analysis
Document your special processes precisely and identify which are truly individual.
Use APIs and Interfaces
Modern ERPs offer extensive APIs. Use them for clean integrations.
Proceed Modularly and Iteratively
Start with the most important processes and expand step by step.
Plan for Future-Proofing
Consider updates, scaling, and technological advancement.
Involve Users Early
The best solutions emerge in close collaboration with actual users.
Avoid Common Mistakes
Modify ERP Core
Hands off the source code! Every change will haunt you during updates.
Customize Standard Processes
Use a customized extension instead of tinkering with the ERP core - stable, update-proof, fast.
Digitalize Everything at Once
Big-bang projects often fail. Proceed step by step.
Ignore Technical Debt
Old customizations become increasingly expensive. Plan for modernization.
Underestimate Vendor Lock-in
Avoid dependencies on specialists and proprietary solutions.
INTEGRATION
Integration in Action
How the connection between your ERP system and ElbDesk works in practice
ERP System
- Customer Data
- Order Information
- Standard Processes
Integration
- Bidirectional API
- Push Events
- Result Sync
ElbDesk
- Custom Process Active
- Workflow Engine
- Business Logic
How a typical integration process works
- Trigger
ERP Event
An event in the ERP system - e.g. a new order or status change - triggers the process.
- Process
ElbDesk Processing
ElbDesk handles the custom workflow: validation, enrichment, and business logic.
- Result
ERP Update
The result is automatically written back to the ERP system - clean, consistent, and traceable.
QUELLEN
Further Resources
Expert opinions and studies that confirm our approach
Quality instead of costs - companies are increasingly relying on custom software
“Overall, 74 percent of companies that use custom software attribute their business success to the use of these individual solutions.”Read article
Clear majority of German SAP customers want the Clean Core
“74 percent of German companies follow the Clean Core approach to ensure flexibility, agility, and rapid access to innovations.”Read article
How modern ERP systems seamlessly integrate external tools
“The ability to flexibly adapt existing systems to new requirements and close gaps in existing processes often determines the long-term success of a company.”Read article
Modern IT architectures as key for future-proof business processes
“The increasing complexity makes maintenance, scaling, and releases more difficult: Instead of individual modules, the entire system must be adapted - this slows down development and increases susceptibility to failures.”Read article
These resources come from leading analysts, consulting firms, and technology providers. They independently confirm the advantages of the extension approach over core modifications.
Ready for the Right Approach?
Let's optimize your ERP strategy together
- Quick Analysis
- Clear Recommendation
- Fair Consulting