Turn critical Excel Workflows Into Secure Business Applications
What started as a useful spreadsheet often becomes a business risk. As more people, departments, and compliance requirements depend on it, manual effort and inconsistencies increase.
I analyze the business process behind the spreadsheet and design a maintainable solution that scales with your business.
Trusted by teams at Siemens Healthineers, Deutsche Post, RWE Supply & Trading, KfH and the City of Hamburg.
- One source of truth across teams
- Less manual work and fewer errors
- Automated workflows and approvals
- Complete auditability and transparency
- Built for long-term maintainability
Takes only 5 minutes
What you’ll receive via email
✓ Excel Risk Assessment
✓ Modernization Roadmap
✓ Next-Step Recommendations
Has Your Business Outgrown Excel?
What started as a practical spreadsheet often becomes difficult to manage
as more users, departments, approvals and compliance requirements depend on it.
Typical Excel Risks
- Sensitive data is visible to everyone
- Increasing effort to maintain the sheet
- Unclear permissions with growing compliance requirements
- Nobody knows which version is authoritative
- Manual copy & paste between systems
- Critical formulas understood by only one employee
- Unclear whether data is complete, approved or up to date
- Users must wait for others to finish editing
If several of these sound familiar, the issue is usually no longer Excel itself.
The issue is that the business process has outgrown Excel.
From Excel To Business Application
What changes after modernization.
Today with Excel
- Employees waiting for others to finish
- Manual copy & paste between departments
- Missing audit trails
- Critical knowledge stored in formulas
- Multiple versions of the same spreadsheet
- Unclear ownership
- Data loaded manually and are hard to find
- Reporting delays
After modernization
- Teams working simultaneously
- Real-time updates
- Complete traceability
- Automated calculations
- Single source of truth
- Role-based access
- Integrated data flows
- Consistent reporting
Why not just buy software?
Off-the-shelf software
- Processes must adapt to the software
- Features you don't need
- Limited flexibility
- Data often scattered across multiple systems
- Monthly licensing costs
Custom business application
- Built around your process
- Integrates existing systems
- Single source of truth
- Full control over your data
- Can evolve with the business
There is no one size fits all solution
Depending on the process, the right solution may be:
- Business Application (Web- or Desktop App)
- Workflow Automation
- AI Assistant (RAG or Agentic AI)
- Background Service
Designed For Long-Term Business Growth
Five core values delivered by design.
Consistent Business Data
One authoritative source instead of multiple spreadsheet versions.
Auditability & Compliance
Know who changed what and when.
Scalable Processes
Add users, departments, and workflows without rebuilding everything.
Reduced Operational Effort
Less manual work. Fewer errors.
Long-Term Maintainability
Changes remain affordable years later. New requirements can be implemented without rebuilding the system.
Why clients work with me
Over the last 14 years, I have repeatedly seen organizations build critical business processes in Excel. The spreadsheet itself is rarely the problem. Challenges emerge when multiple departments, approvals, compliance requirements, and long-term ownership depend on it.
My focus is helping organizations transform these workflows into maintainable business applications designed for reliability, transparency, and long-term adaptability.
- Domain expertise and stakeholder communication across technical and business teams
- Custom architectures built on proven software engineering standards
- Focus on long-term maintainability, flexibility and transparency
- Experience modernizing complex Excel-based workflows
From Excel to Operational Control
A brief review of your current process.
Answer a few questions about:
- Number of users
- Number of spreadsheets
- Departments involved
- Compliance requirements
- Manual effort
- Integrations
Outcome: Excel Risk Score
Based on your answers, you'll receive a short report via email covering:
- Key risks identified
- Modernization opportunities
- Recommended solution approach
- Suggested next steps
Together we'll validate the findings and discuss possible modernization paths.
We'll identify:
- Process bottlenecks
- Automation opportunities
- Integration requirements
- Security and compliance needs
- Pricing model
- Long-term maintainability requirements
The application is developed iteratively with regular review sessions. This ensures the solution evolves alongside your business requirements and delivers value early.
Outcome: A secure, maintainable web application tailored to your business process.
After deployment, I provide ongoing support, maintenance, and enhancements. Business processes, regulations, and technologies evolve over time. Your application should evolve with them.
Outcome: A sustainable solution that remains maintainable and valuable long-term.
Real Examples of Excel Modernization
Every business process is different. But the challenges are often the same: Manual work, data inconsistencies, missing transparency, compliance requirements, increasing maintenance effort. Here are examples of how organizations replaced spreadsheet-based processes with maintainable business applications.
Every Month You Wait, The Process Becomes Harder To Replace
What started as a useful spreadsheet often becomes more expensive to maintain than to modernize.
Get a personalized assessment and modernization roadmap.
Get Your Excel Assessment
What you will receive:
- Excel Risk Assessment
- Modernization Roadmap
- Recommended Solution Approach
- Next-Step Recommendations
Who Is This Assessment For?
- Companies with 50+ employees
- Business-critical Excel processes
- More than 10 spreadsheet users
- Compliance or audit requirements
- Multiple departments involved