Process Optimization: 7 Methods That Immediately Cut Costs
Value stream mapping, 5-Why, PDCA and more - practical methods with examples.
Process optimization sounds like a consulting buzzword. But it's not. It's the fastest way to make your company more efficient – without new hires, without major investments. In this article, we show you 7 proven methods you can apply immediately.
What is Process Optimization?
Process optimization means: analyzing and improving existing workflows.
The goal:
- Less time for the same task
- Fewer errors in the workflow
- Lower costs for the same output
- Better quality for the customer
The difference from automation: Process optimization comes FIRST. Automating a bad process just means producing bad results faster.
The 7 Most Effective Methods
1. Value Stream Mapping
What is it?You map out the complete process – every step, every wait time, every handoff point. Then you distinguish:
- Value-adding: The customer would pay for it
- Necessary but not value-adding: Must be done, but no direct value
- Waste: Neither value nor necessary
| Step | Time | Wait Time | Category |
|---|---|---|---|
| Request arrives | - | 2h | Wait |
| Read request | 5min | - | Necessary |
| Search data in CRM | 10min | - | Waste |
| Calculate pricing | 30min | - | Value-adding |
| Wait for approval | - | 24h | Wait |
| Format quote | 20min | - | Necessary |
| Send | 2min | - | Value-adding |
- 26h total lead time
- Only 32min actual work
- 10min pure waste (CRM search)
- 26h wait time = 97% of the time
2. The 5-Why Method
What is it?For every problem, ask "Why?" 5 times – until you get to the root cause.
How to do it:Problem: Customers are complaining about late deliveries.
- Because shipping happens in the afternoon.
- Because picking takes so long.
- Because items have to be searched for in the warehouse.
- Because storage locations aren't maintained in the system.
- Because goods receipt doesn't include booking.
Solution: Improve goods receipt process – not extend shipping times.3. PDCA Cycle (Plan-Do-Check-Act)
What is it?A continuous improvement cycle in 4 steps.
How to do it: Plan:- Identify problem
- Collect data
- Develop solution
- Define success criteria
- Test solution on a small scale
- Pilot with one department/team
- Document what happens
- Measure results
- Compare with expectations
- What worked? What didn't?
- If successful: Roll out broadly
- If unsuccessful: Adjust and restart
- Establish standards
Plan: Support tickets should be answered in 4h instead of 24h
→ Solution: Templates for common inquiries
Do: Pilot with 3 support staff, 2 weeks
Check: Average response time now 6h
→ Better, but goal not reached
→ Insight: 40% of inquiries don't fit any template
Act: Expand templates, introduce AI categorization
→ Start new PDCA cycle
4. Bottleneck Analysis (Theory of Constraints)
What is it?Every process is only as fast as its slowest point. Find and eliminate the bottleneck.
How to do it:Incoming requests: 100/day
→ Level-1 Support: 120/day capacity (ok)
→ Level-2 Support: 40/day capacity ← BOTTLENECK
→ Developers: 80/day capacity (ok)
Not the solution: Hire more Level-1 support
The solution: Relieve Level-2 (training, tools, redistribution)
5. Standardization (SOPs)
What is it?Standard Operating Procedures – everyone does the same process the same (best) way.
Why is it important?- No dependency on individual people
- Faster onboarding
- Measurable improvement possible
- Foundation for automation
PROCESS: [Name]
VERSION: [1.0]
LAST UPDATE: [Date]
OWNER: [Name]
OBJECTIVE:
What should be achieved at the end?
PREREQUISITES:
What must be done beforehand?
STEPS:
[Specific instruction]
→ System: [Which tool]
→ Screenshot/example if needed
[Specific instruction]
...
EXCEPTIONS:
If X, then Y instead of Z.
SUCCESS CRITERIA:
How do I know it's done correctly?
COMMON ERRORS:
- Error 1: How to avoid
- Error 2: How to avoid
6. Eliminating the 8 Wastes (Lean)
What is it?Lean Manufacturing identifies 8 types of waste. These can be applied to any office process.
| Waste | Production | Office |
|---|---|---|
| Transport | Moving material | Forwarding documents |
| Inventory | Stock | Unprocessed emails |
| Motion | Walking distances | Switching between systems |
| Waiting | Machine idle | Waiting for approval |
| Overproduction | Producing too much | Reports nobody reads |
| Over-processing | Excessive quality | Perfectionism |
| Defects | Scrap | Correcting errors |
| Talent | Unused skills | Experts doing routine tasks |
7. Automation (as the Last Step)
What is it?Only after you've optimized do you automate the improved process.
Why last?- Automated garbage = faster garbage
- First understand, then automate
- An optimized process is easier to automate
| Automate | Don't Automate |
|---|---|
| Rule-based | Creative decisions |
| Repetitive | One-time tasks |
| Time-intensive | Already fast |
| Error-prone | Works reliably |
| Data transfer | Complex judgments |
Process Optimization in Practice: An Example
Initial Situation: Travel Expense ReportingCurrent process:
- Lead time: 3 weeks
- Error rate: 40% (wrong amounts, missing receipts)
- Time spent: 45 minutes per report
- Lead time: 3 days
- Error rate: 5%
- Time spent: 5 minutes per report
Quick Wins: Start Tomorrow
Implementable Today:
This Week:
This Month:
Common Mistakes in Process Optimization
1. Too Much at Once
Better: One process, one improvement, then next step.2. Optimizing Without Data
Better: First measure, then improve, then measure again.3. Asking the Wrong People
Better: Talk to the people doing the work, not just management.4. Seeking Solutions Before Understanding the Problem
Better: 5-Why method, find root cause.5. Treating Optimization as a One-Time Project
Better: Continuous improvement, PDCA as routine.Conclusion
Process optimization is not rocket science. It's systematic observation, asking questions, and improving. The biggest gains are often in the obvious:
- Eliminate wait times
- Avoid duplicate work
- Establish standards
- Only then automate
Start with one process. Today. Not perfect, but start.
Want to systematically optimize your processes? We help you identify and implement the biggest levers – from quick wins to full automation.