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Deal types and structure

Transition services agreement (TSA)

Also known as: TSA, transitional services agreement, transition services

Definition

A transition services agreement is a contract under which the seller continues to provide specified services to the sold business for a limited time after closing, until the business can perform them itself.

Updated November 2026

Transition services agreement, explained simply

When a division is sold, it cannot build its own IT, payroll and accounting overnight. The former parent provides them for a fee, commonly for 6 to 18 months, while the buyer sets up standalone functions.

Diligence reviews the list and pricing of services, service levels, duration and extension rights, and the exit plan. TSA fees are temporary and often differ from the long-term standalone cost, which is what EBITDA should reflect.

Services moving from the TSA to standalone

Illustrative

Coatings division of Pinecrest Industrial

The TSA must run long enough for the slowest function, usually IT, to be separated.

Worked example

Coatings division, $ millionsAmount
TSA fee for 12 months (IT, payroll, accounting)0.9
Estimated standalone cost after the TSA, per year1.6
One-time cost to set up standalone systems1.2

Pinecrest Industrial is a fictional company. All figures are illustrative.

Diligence checks that the TSA period is long enough to complete the set-up, and that standalone EBITDA uses the full standalone cost and not the lower TSA fee.

Why it matters in a deal

TSA costs and the standalone set-up affect EBITDA, cash needs and integration risk. Underestimating them is a common carve-out error.

Red flags

  • Services not covered by the TSA
  • A TSA too short to build standalone functions
  • TSA fees below the true future cost, which flatters EBITDA

Frequently asked questions

What is transition services agreement (TSA) in M&A?
A transition services agreement is a contract under which the seller continues to provide specified services to the sold business for a limited time after closing, until the business can perform them itself.
Is the TSA cost the same as the standalone cost?
No. TSA pricing is temporary and often differs from the long-term standalone cost.
Can a TSA be extended?
Often, but usually at a higher price.

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