Operational Excellence: Unlocking Value in Carve-Outs
- Jun 13
- 7 min read
Updated: Jun 23
Author: David Wang
Wang Advisory GmbH (June 2026)
Why separation excellence is becoming a core M&A capability

Carve outs are no longer exceptional transactions. They have become a strategic instrument for portfolio reshaping, private equity value creation, and corporate focus.
McKinsey research shows that buy side carve outs accounted for 28 percent of all M&A transactions above $100 million between 2018 and 2023. [1] Bain also finds that corporate carve outs remain attractive, but that returns have become harder to capture. Before 2012, the average private equity carve out generated approximately 3.0x MOIC, compared with 1.8x for the average buyout. Since 2012, average carve out performance has fallen to approximately 1.5x MOIC, slightly below the broader buyout average. [5]
The message is clear.
Carve outs can unlock significant value, but value is no longer automatic. The winners are not simply those who separate assets. The winners are those who build a better operating model while separating the business. Operational excellence is the difference.

The carve out value equation
A carve out creates value when three conditions are met:
• The separated business becomes operationally independent
• The parent company removes stranded costs and complexity
• The buyer or new entity can execute a sharper value creation plan
This sounds simple. In practice, it is one of the most complex situations in M&A.
Carve outs often require companies to untangle years of shared systems, functions, contracts, data, employees, legal entities, production sites, customer relationships, and governance routines. McKinsey notes that disentanglement can be more complex than integration in large M&A deals. [3]
BCG estimates that one time separation costs can range from approximately 1 percent to 5 percent of the divested business revenue, and can reach up to 13 percent of revenue in large and complex carve outs. [4]
This is why carve out value is not created at signing. It is created through operational discipline before, during, and after separation.

Six imperatives for operational excellence in carve outs
1. Start with the value thesis, not the separation checklist
A carve out should not begin with the question:
What needs to be separated?
It should begin with a better question:
What must this business become to create value?
The answer determines the separation strategy.
A financial sponsor may require a fully operational stand alone platform. A strategic buyer may prefer a leaner perimeter that can be integrated into existing shared services. A spin off may require a complete public company operating model. An internal carve out may focus on management accountability without a full legal separation.
The value thesis should define:
• Transaction perimeter
• Target operating model
• Stand alone requirements
• Separation cost budget
• TSA strategy
• Stranded cost plan
• Day 1 readiness scope
• First 180 day value creation roadmap
The most expensive carve out mistake is separating the wrong thing too late.
2. Map operational entanglement early
Operational entanglement is the hidden cost driver in carve outs.
The most important areas to map are:
• ERP and core applications
• Data ownership and data flows
• Shared service centers
• Finance and controlling processes
• HR, payroll, benefits, and pensions
• Procurement contracts and supplier terms
• Manufacturing sites, warehouses, and logistics networks
• Customer contracts and service obligations
• Cybersecurity, access rights, and identity management
• Regulatory licenses and compliance responsibilities
PwC Germany found that only 27 percent of surveyed companies regularly assess the operational entanglement of their business units before conducting carve outs. [8]
That gap matters. A weak entanglement view leads to weak valuation, weak TSAs, weak Day 1 planning, and unexpected cost leakage.
Operational excellence starts with transparency.
3. Build the Day 1 operating model before Day 1
Day 1 is not only a legal milestone. It is an operational test.
On Day 1, the carved out business must be able to answer practical questions:
• Who closes the books?
• Who pays employees?
• Who approves purchase orders?
• Who owns customer service?
• Who manages cyber incidents?
• Which ERP system is live?
• Which contracts transfer?
• Which functions are covered by TSAs?
• Which processes remain manual?
• Which leadership forum makes decisions?
PwC states that companies designing thoughtful operating models early can attract about twice as many serious buyers, based on its experience. [7]
The lesson is clear.
A credible Day 1 operating model increases buyer confidence, reduces execution risk, and improves transaction readiness.
4. Treat TSAs as value instruments
Transitional Service Agreements are often treated as administrative documents. That is a mistake. TSAs can protect business continuity, but they can also create dependency, cost leakage, and execution delays.
BCG notes that TSAs typically run for 3 to 24 months after closing. [4] McKinsey states that CFOs in buy side carve outs must manage dis synergies and stranded costs through flexible financial models and well structured Transitional Service Agreements. [2]
A strong TSA setup should define:
• Service scope
• Service levels
• Pricing logic
• Exit date
• Exit owner
• Dependency map
• Operational risks
• Reverse TSA requirements
• Governance cadence
• Escalation paths
The goal is not to maximize TSA coverage. The goal is to create enough stability for Day 1 while building a credible exit path. A good TSA protects value. A bad TSA postpones the problem.
5. Attack stranded costs before they become structural
Stranded costs are one of the most underestimated value leaks in carve outs.
They arise when costs remain with the parent company after the divested business has left. Typical examples include underutilized shared services, IT infrastructure, overhead functions, real estate, procurement teams, compliance functions, and management layers.
McKinsey notes that stranded costs can take up to three years for the parent company to recover from, leaving profit margins lower during that period. [3]
The practical implication is simple.
RemainCo needs its own transformation plan.
A carve out should trigger a cost reset across:
• Corporate overhead
• Shared services
• IT systems
• Vendor contracts
• Facilities
• Management layers
• Finance and HR operating models
• Governance forums
The best sellers use divestitures as a catalyst to simplify the parent company, not only to dispose of a non core asset.
6. Run the carve out through a Separation Management Office
Operational excellence requires governance.
A strong Separation Management Office should manage the transaction across functions, regions, legal entities, systems, suppliers, people, and value levers.
The Separation Management Office should own:
• Separation roadmap
• Day 1 readiness plan
• Functional workstream governance
• Issue and risk log
• Cost tracking
• TSA setup and exit planning
• Cut over planning
• Communication cadence
• Decision escalation
• Value realization dashboard
BCG emphasizes that a strong Separation Management Office is essential to control separation costs, challenge overruns, and maintain accountability. [4]
The best Separation Management Offices do not only track milestones. They manage value, risk, cost, and operational continuity.
Success Story: Confidential industrial IT carve out
In a confidential industrial portfolio company carve out, Wang Advisory supported the separation as external project leader advisor. The mandate focused on IT carve out execution, Day 1 readiness, SAP ERP separation, application separation, and cut over preparation. The team developed practical separation playbooks and supported a smooth Day 1 with no critical issues.

Key lessons from the case:
• Day 1 success depends on detailed cut over planning
• SAP ERP separation requires early dependency mapping
• Application ownership must be clarified before the transition
• Escalation paths should be designed before they are needed
• Business continuity must remain the first operational priority
The broader lesson is simple.
A carve out is not successful because the legal transaction closes. It is successful when the business can operate without disruption after closing.
The carve out excellence playbook

Phase 1: Strategic design
• Define transaction rationale
• Clarify buyer type and value thesis
• Determine transaction perimeter
• Assess stand alone requirements
• Estimate separation costs and dis synergies
• Identify stranded cost exposure
Phase 2: Separation planning
• Map operational entanglement
• Build Day 1 operating model
• Define governance and Separation Management Office setup
• Prepare TSA scope and pricing
• Design finance, HR, IT, operations, and legal workstreams
• Identify critical people and retention risks
Phase 3: Day 1 readiness
• Finalize cut over plan
• Confirm legal entity readiness
• Ensure system access and cybersecurity
• Prepare payroll, finance close, and supplier continuity
• Communicate with employees, customers, and vendors
• Activate issue escalation
Phase 4: Post close execution
• Track TSA performance
• Accelerate TSA exits
• Stabilize operations
• Resolve process gaps
• Monitor cost and revenue leakage
• Continue customer and employee engagement
Phase 5: Value creation
• Optimize the new operating model
• Remove stranded costs
• Simplify IT landscape
• Improve procurement and working capital
• Build performance management cadence
• Move from separation mode to growth mode
Executive checklist
Before launching a carve out, leadership should be able to answer ten questions.
• What is the value thesis of the separation?
• What exactly is inside and outside the transaction perimeter?
• Which functions must be stand alone by Day 1?
• Which processes depend on TSAs?
• What is the total separation cost budget?
• Where will stranded costs remain?
• Which systems, contracts, and data are most entangled?
• Who owns Day 1 readiness?
• Who owns TSA exit?
• What is the first 180 day value creation plan?
If these questions cannot be answered, the carve out is not yet operationally ready.

The leadership message
Carve outs are often described as separation transactions. That definition is too narrow. A carve out is a strategic opportunity to redesign a business, sharpen focus, remove complexity, and unlock trapped value. The companies that win do not treat carve outs as legal separations. They treat them as operational transformations.
The real question is not: Can we separate the business?
The real question is: Can we build a better business through the separation?
Sources
[1] McKinsey & Company, How buyers can successfully navigate integrating a carve out, published 23 July 2025.
[2] McKinsey & Company, What CFOs need to get right in a buy side carve out, published 27 August 2025.
[3] McKinsey & Company, Corporate divestitures: Considering stranded costs, published 24 July 2025.
[4] Boston Consulting Group, Don’t Let Carve Out Costs Compromise Value Creation, published 3 June 2021.
[5] Bain & Company, PE Backed Carve Outs Used to Be Reliable Winners. So What Happened?, published 3 March 2025.
[6] PwC Netherlands, Three key factors for a successful divestiture process, published 12 February 2024.
[7] PwC US, Enhancing divestiture deal value with Day One operating models, published 22 January 2026.
[8] PwC Germany, A strategic approach to carve outs, n.d., accessed 18 June 2026.



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