After a merger, two organizations bring two sets of processes, two sets of tools, and two sets of assumptions about how work gets done. Without deliberate process harmonization, those differences persist long after the deal closes.
This guide covers the practical framework for harmonizing business processes post-M&A: how to assess both organizations' processes, identify overlaps and gaps, design a target operating model, and manage the transition.
Why Process Harmonization Matters
Most M&A integration plans focus on systems, headcount, and financial consolidation. Process harmonization rarely gets its own workstream until something breaks.
A customer order falls through the cracks because the two fulfillment processes have different approval logic. Finance cannot close the books because procurement runs on different controls. Support tickets get routed to the wrong team because escalation paths were never aligned.
McKinsey estimates that 70% of mergers fail to achieve their projected synergies. Process misalignment is a primary contributor.
What Harmonization Actually Means
Harmonization is not about picking one company's process and forcing it on the other. True harmonization produces three types of outcomes:
- Adopt: One organization's process is clearly superior. The other team adopts it.
- Merge: Both organizations have strong processes. The target combines elements from both.
- Redesign: Neither process works for the combined entity. Something new is needed.
A Step-by-Step Framework
Step 1: Build Both Process Landscapes
Before you can compare processes, you need to see them. Each organization should produce a process landscape at the L0 (value chain) and L1 (process group) level.
Use the same leveling convention for both. If Company A uses "Order to Cash" and Company B calls it "Sales Operations", normalize the naming before comparing.
Step 2: Identify Overlaps and Gaps
Place both landscapes side by side. For each L0 area, ask: does the other organization have an equivalent? You will find full overlaps, partial overlaps, and unique areas.
Step 3: Assess at the Detail Level Where It Matters
Focus the detailed analysis on overlapping process areas that are on the critical path. Typically: order management, customer service, procurement, financial close, and employee onboarding.
Model the as-is state from both organizations using BPMN. Look for differences in approval chains, system touchpoints, exception handling, and roles.
Step 4: Design the Target Operating Model
For each overlapping area, design the to-be state. Involve process owners from both organizations. The people who run the processes daily have context that no integration consultant can replicate.
Resist the temptation to optimize during harmonization. The goal is alignment, not improvement. Get to one stable process first.
Step 5: Plan the Transition
Cover training, migration timeline, parallel-run periods, and rollback criteria. For complex processes, consider phased rollouts by region or business unit.
Step 6: Govern and Iterate
Assign process owners for each harmonized area. Schedule quarterly reviews. Track whether the synergies projected in the deal thesis are materializing.
Common Mistakes
- Winner takes all - Forcing the acquirer's processes destroys institutional knowledge
- Harmonizing everything at once - Prioritize by business impact
- Skipping the landscape step - You cannot compare what you cannot see
- Confusing harmonization with optimization - Align first, optimize later
- Ignoring culture - Processes carry cultural assumptions about risk, speed, and control
When to Harmonize (and When to Leave Alone)
Harmonize: Customer-facing processes, financial processes, processes tied to shared systems, employee-facing processes with consistency requirements.
Leave alone (for now): Business-unit-specific processes, back-office processes that can run in parallel, processes scheduled for sunsetting, areas with regulatory constraints.
Read the full guide with tools comparison, FAQ, and cross-links: Process Harmonization Guide on ProcessCamp
Top comments (0)