Jessica Grace
Director | Vector Advisory Services, LLC
The seller hands over a business. The buyer has to build a company.
Carve-out conversations start with the deal model. The real test starts after close, when a business that has always leaned on its parent has to run on its own, usually with the TSA clock already ticking.
We see this pattern across the carve-outs we support. Much of the hardest work sits in the seams: between buyer and seller, between running the business and running the separation, and between legacy systems and new ones. It may not all show up as line items in the model, but all of it shapes how quickly the business can stand alone.
Those lessons matter more as carve-out volume grows. Corporate sellers are simplifying their portfolios and PE is stepping in as a natural buyer: 71% of PE dealmakers in KPMG’s latest global survey are open to or actively pursuing separations, and nearly 80% of AURELIUS survey respondents predict an increase in corporates looking to divest non-core businesses. In that market, sellers increasingly reward certainty of execution over headline price.
Here are five lessons from our carve-out work, and what PE buyers should be preparing for before they sign.
A carve-out target has never operated on its own. Its systems, vendor contracts, shared services, and often its institutional knowledge sit with the parent. The planning question is not only what to integrate, but what the business needs on Day 1, Day 100, and at TSA exit, and who provides it at each stage.
Cost needs the same early attention. Once the business replaces services the parent provided at allocated rates, standalone cost can run above the pro forma in the deal model.
Recommendation: Build a standalone operating map and a bottoms-up cost baseline during diligence, reconcile it to the deal model, and confirm Day 1 basics such as entities, bank accounts, licenses, insurance, and third-party consents.
Under deal pressure, it is common to scope the first migration narrowly: active customers, a limited window of history, and attachments deferred. A common pattern: the initial migration covers a year or so of active records, while historical data stays on the seller’s platform under the TSA until it can move to a long-term archive for record retention.
Each choice is sound on its own. Together they create a dependency chain that has to be managed, or the business ends up extending the TSA, at premium pricing, just to reach records it rarely uses but is required to keep.
Recommendation: Build a TSA schedule with exit dates, pricing step-ups, and a named owner for each service. Decide early where historical data will live, and track exits on a scorecard the steering committee reviews.
Technology timelines tend to drive carve-out plans, but the real gates are often customer contracts, regulatory approvals, and certifications. We often see records move into the buyer’s production environment while contract-driven sequencing is still being defined. Teams make it work by staging records in waves, but issues such as duplicate product records with conflicting pricing then surface mid-migration, when they are harder to fix.
Reporting deserves the same scrutiny. Dashboards, journal entries, KPIs, and annual compliance reporting often key off the new system, and a transition year can require stitching together data from two platforms.
Recommendation: Choose the systems path early (clone, greenfield, or extended TSA), build the migration plan backward from the commercial and regulatory calendar, and decide how every dependent report gets produced through the first standalone close.
Carve-outs rarely run through one migration partner. One vendor extracts data, another loads it, a third handles forms or digital tools, and a fourth manages the archive. Each owns its piece, and no one naturally owns the handoffs. Overwrite risk also appears when operations teams enter data manually while automated imports are still running.
People gaps follow the same pattern. Parent teams deprioritize a business they have sold, the buyer’s bench is often thin, and issues wait for an owner while the TSA clock runs.
Recommendation: Map vendor responsibilities by handoff, not just scope. Name workstream owners, set freeze windows between manual entry and automated loads, and give issues an escalation path that clears blockers in days.
Every carve-out has a hybrid period: blended branding, legacy tools alongside new ones, and employees toggling between two systems. That is normal. An open-ended hybrid state is not, because the burden lands on frontline teams who are also adjusting to new ownership. Without a stated plan, dual-system friction can read to employees as no plan at all.
It is also worth pressure-testing what “fully transitioned” means. A definition centered on the core platform can hide legacy systems still supporting billing or receivables.
Recommendation: Make the end of the hybrid state a milestone with owners and exit criteria, and tell employees plainly what is changing, what is staying as-is for now, and what has not been decided.
Vector’s approach
We guide carve-outs through four steps: assess, plan, separate, and stand up. During diligence, we rebuild standalone cost bottoms-up, map TSA scope and contract consents, and pressure test separation scenarios against the deal model. Before close, we set decision rights and escalation paths, build the TSA schedule, and define Day 1 requirements and the systems path.
After close, we execute through 90-day sprints, drive TSA exits against a milestone scorecard, and protect the base business with leading indicators on customers, billing, and key talent. We stay hands-on through the first standalone close, then transfer ownership to the management team.
Standalone is built before the TSA clock runs out
Carve-out value depends on how well the business learns to stand on its own. For a carve-out in diligence or already underway, ask:
- Is standalone cost reconciled to the deal model, not just estimated?
- Does every TSA service have an exit date, an owner, and a known cost if it slips?
- Does the hybrid state have a defined end?
If the answer to any of these is “not yet,” start there.
Evaluating a carve-out or working through a separation? Vector Advisory helps PE sponsors and portfolio companies build a disciplined path to standalone, with clear TSA exits, accountable owners, and a business that keeps running throughout.
Sources
- KPMG International, “2026 Global M&A Outlook Survey”, March 18, 2026
- AURELIUS, “Carve-outs set to continue increase in 2026”, 2026