Extend ERP. Accelerate processes.

The comprehensive guide for the right strategy for individual processes and existing ERP systems.

Save time Reduce costs Stay flexible

Do you need customizations to your ERP?

RISK

ERP Customization

  • ERP core modified
  • Update issues
  • High costs
RECOMMENDED

Safe Extension

  • Clean Core
  • Update-safe
  • Flexible
74%

74% attribute their business success to the use of individual solutions

The Strengths of Standard ERP Systems

Why ERP systems form the backbone of modern enterprises

Proven Business Processes

ERP systems bring decades of best practices and optimized standard processes that have proven successful in thousands of companies.

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.

Customization vs. Extension

Understand the differences and make the right decision

Technical Aspects

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Bound to often outdated ERP technology.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

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

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.

ERP extensions are the superior choice in almost all cases. They offer more flexibility, lower costs, and greater future security while reducing risk.

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Best Practices for ERP Projects

Learn from successful digitalization projects

Recommended Approaches

1

Conduct Clear Process Analysis

Document your special processes precisely and identify which are truly individual.

2

Use APIs and Interfaces

Modern ERPs offer extensive APIs. Use them for clean integrations.

3

Proceed Modularly and Iteratively

Start with the most important processes and expand step by step.

4

Plan for Future-Proofing

Consider updates, scaling, and technological advancement.

5

Involve Users Early

The best solutions emerge in close collaboration with actual users.

Avoid Common Mistakes

1

Modify ERP Core

Hands off the source code! Every change will haunt you during updates.

2

Customize Standard Processes

Use a customized extension instead of tinkering with the ERP core – stable, update-proof, fast.

3

Digitalize Everything at Once

Big-bang projects often fail. Proceed step by step.

4

Ignore Technical Debt

Old customizations become increasingly expensive. Plan for modernization.

5

Underestimate Vendor Lock-in

Avoid dependencies on specialists and proprietary solutions.

Remember: The right decision depends on your specific situation.

Get Expert Advice

Customize ERP only when:

  • Absolutely no alternative exists
  • Legal requirements demand it

Extend ERP when:

  • Special processes need mapping
  • Flexibility should be preserved
  • Modern technologies are utilized
  • Quick adjustments are needed

Integration in Action

How the connection between your ERP system and ElbDesk works in practice

ERP System

Customer Data
Order Information
Standard Processes

Integration

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.

Further Resources

Expert opinions and studies that confirm our approach

techconsult / heise

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
Eviden / SAP

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
Biquanda

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
MSG Advisors

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.

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