Multi-TSA Portfolio
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An operating partner TSA checklist is the standing set of checkpoints a PE operating partner runs on every portfolio carve-out from term sheet to TSA exit. The work draws on the operating partner playbook and turns the TSA from a passive deal artifact into an actively managed value creation lever. The four checkpoint phases run pre signing, Day One, mid-TSA, and exit. A portfolio operating partner who runs this checklist consistently spends roughly thirty percent of total TSA effort during the pre signing phase and recovers two to four times that effort through the rest of the TSA period.
The pre signing checkpoints are the highest leverage moments in the TSA lifecycle. The operating partner has signature authority on the deal, the seller has incentive to close, and every redline absorbed at signing avoids a dispute during execution. The operating partner runs the pre signing checklist in parallel with the QoE and the legal diligence.
Core pre signing items. Is a buyer-side TSA specialist engaged? Has the seller's draft TSA been redlined for catalog gaps, pricing soft spots, exit obligations, governance, and termination flexibility? Is the standalone cost model built from the bottom up rather than allocated from the seller's books? Has the Day One vendor list been identified and the long lead items started? Has the TSA cost been compared against standalone stand-up cost so the buy versus build decision is made on real numbers?
The operating partner who skips pre signing checkpoints inherits a TSA that protects the seller. The savings from skipping diligence are nominal (the diligence fee). The cost is structural and accumulates across the TSA period as overcharges, scope ambiguity, weak governance, and weak exit terms. Portfolio operating partners who track TSA economics across multiple deals consistently find the pre signing diligence pays for itself within the first three months of the TSA period.
The operating partner does not need to do this work personally. The role is to ensure the work happens. Specialist firms run the diligence under a Fixed Fee engagement. The operating partner reviews the work product, makes the strategic calls, and signs off on the negotiating position. The work pairs with the TSA due diligence checklist.
Day One checkpoints validate that the carved-out business operates cleanly from the first day under Newco ownership. The operating partner runs the Day One checklist with the Newco CEO and CIO during the signing to close window and through Day One itself.
Core Day One items. Is the new legal entity operational with banking, insurance, payroll, and tax registrations in place? Are all Day One critical vendors under contract with Newco or covered by enforceable TSA pass-through? Is identity operational so employees can log in on Day One? Are customers and major vendors notified of the change? Is the Day One war room staffed with named owners for each workstream? Is the issue tracking and escalation rhythm operating from minute one?
The operating partner sets the bar at the standard that no customer or employee should notice the transaction on Day One. That bar drives the work. Customer facing services keep operating. Payroll runs on schedule. Vendor invoices get paid. Email works. Phones work. Plants ship product. Retailers receive deliveries. The TSA covers the back office gap between the Day One operational standard and the eventual standalone Newco.
Day One issues that the operating partner discovers in the first week become Day One readiness fixes. Issues discovered in week two through six become TSA mid-course corrections. Issues that surface after the first ninety days become long term problems. The operating partner front loads the discovery rhythm. The work pairs with Day One readiness.
The mid-TSA checkpoints run roughly from month four through month nine for a twelve month TSA, or from month six through month eighteen for a twenty four month TSA. This is the phase where the exit ramp gets built. The operating partner uses the mid-TSA checkpoints to monitor execution, drive cost takeout, and confirm the exit plan is on track.
Core mid-TSA items. Is the monthly TSA invoice being validated against the catalog and the agreed pricing? Are service credits being claimed where SLAs are missed? Is the exit plan tracking to the original timeline or are slippages emerging? Is the Newco team being hired or contracted into place to replace TSA services? Are TSA services being dropped as Newco capability stands up?
The operating partner watches three patterns. First, TSA cost creep where the seller adds pass-through items or volume true-ups that were not in the original baseline. Second, exit slippage where workstreams that should be moving toward Newco stay parked on the seller. Third, scope inflation where Newco starts depending on TSA services that the original catalog did not include.
Mid-TSA is the right window to engage specialist help for renegotiation or exit acceleration if the trajectory needs correction. Operating partners who wait until month eleven of a twelve month TSA usually end up paying extension fees because the runway to exit closes before the renegotiation can complete. The work pairs with operating partner cost takeout.
Exit checkpoints run in the final ninety days of the TSA. The operating partner validates that the Newco team is ready to take over, that the seller's exit obligations are documented and committed, and that no critical service has been left without a Newco owner.
Core exit items. Is the Newco team operating the replacement systems in parallel with the seller's TSA services? Have all knowledge transfer sessions been scheduled and documented? Have data extracts been delivered and verified? Are extension fees only being paid where they are genuinely required, or is the timeline simply slipping? Is the final TSA invoice being audited against the contract before payment?
The most common exit failure mode is incomplete knowledge transfer. The seller delivers data, but the Newco team does not have the contextual understanding to operate the systems without daily seller support. The operating partner enforces the knowledge transfer obligations the TSA created. Documented sessions. Documented deliverables. Specific named seller resources committed to specific transfer milestones.
The operating partner also captures the lessons learned. What worked, what cost more than expected, which TSA terms held up under execution, which broke down. The portfolio operating partner aggregates these lessons across deals and feeds them back into the pre signing checklist for the next carve-out. The work pairs with TSA exit strategy.
The operating partner running two or three concurrent TSAs across the portfolio benefits from a standardized checklist applied consistently. The pre signing, Day One, mid-TSA, and exit checkpoints run on every deal, on the same template, with the same scorecard.
Portfolio level reporting becomes possible once the checklist is standardized. Each portfolio company gets a TSA status report against the four checkpoint phases. The operating partner can see across the portfolio which TSAs are tracking and which need intervention. The investment committee gets a consolidated view of TSA risk across the platform.
A Portfolio Retainer with a buyer-side TSA specialist firm is the most efficient operating model. The specialist firm applies the same checklist methodology across the portfolio, captures the data centrally, and produces the operating partner's status reports on a defined cadence. The cost per deal is materially lower than scoping each engagement separately.
The portfolio operating partner uses the standardized data to negotiate better terms on future deals. Knowing that the seller's draft TSA typically includes specific soft spots, and that the redline package recovers a defined percentage of TSA cost, gives the operating partner a credible baseline for the next negotiation. The work pairs with portfolio TSA rhythm.
A common pattern is to apply rigorous TSA checklists to large-cap deals and to assume small or mid-market deals will sort themselves out. The pattern produces inconsistent results. A poorly designed TSA on a mid-market deal can absorb more value relative to deal size than a poorly designed TSA on a large-cap deal. Apply the checklist consistently regardless of deal size.
The scope of the checklist can adjust by deal size. Mid-market deals may run a three week diligence sprint instead of a six week sprint. The Day One readiness program may run with a smaller team. The mid-TSA cadence may be quarterly rather than monthly. The fundamentals stay the same.
A Portfolio Retainer relationship makes this scaling efficient. The specialist firm sizes the work to the deal and applies the same method across the portfolio. The operating partner does not have to renegotiate scope and pricing for every deal. The Newco CFO and CIO get consistent quality of TSA support regardless of deal size.
The operating partner's job is to make TSA execution boring. Boring TSAs are the ones where every checkpoint passes, the invoices match the catalog, the exit happens on schedule, and the lessons feed into the next deal. The checklist is the mechanism. The work pairs with operating partner value creation.
The eight Day One priorities a PE operating partner runs personally on every portfolio carve-out.
Read the article →The monthly, quarterly, and annual cadence for monitoring TSAs across a PE portfolio.
Read the article →How a well-run TSA program becomes a value creation lever rather than a deal cleanup chore.
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Subscribe to The Day One Letter →A checklist without owners and sequence is a wish, not a plan. On a representative $48M-revenue carve-out, running ~200 Day-One line items across nine workstreams with named owners and explicit dependencies — rather than as a flat list — removes $2.1M of avoidable Day-One remediation cost.