Blog · Cross-Border TSA

A UK carve-out is won at the PAYE boundary.

A TSA carve-out in the UK turns on three controls: the automatic transfer of employees under TUPE, a clean HMRC payroll stand-up, and data protection under the UK GDPR. The work belongs inside the broader carve-out advisory plan, sequenced so Newco can run its own UK payroll and pay its own suppliers from Day One. The seller will offer to run these through a TSA. The buyer decides which to take and for how long.

TUPE 2006
Transfer Regime
HMRC
Payroll Authority
ICO
Data Regulator
8 min
Read Time
Section 01

Employee transfer under TUPE.

In the UK the transfer of a business or a defined service triggers TUPE, the Transfer of Undertakings Protection of Employment Regulations 2006. Employees assigned to the transferring unit move to Newco automatically on their existing terms, with continuity of service preserved. The buyer cannot cherry pick who transfers, and dismissals connected to the transfer are automatically unfair unless they meet a narrow economic, technical, or organisational reason.

TUPE carries an information and consultation duty. The seller must inform recognised representatives, and where measures are envisaged it must consult. A failure to inform and consult exposes both seller and buyer to an award of up to 13 weeks pay per affected employee, so the buyer confirms the seller has run a compliant process before completion rather than discovering the gap after.

The buyer also receives employee liability information at least 28 days before the transfer. This covers terms, disciplinary and grievance records, and claims. The buyer pressure tests that data because it inherits the liabilities, including accrued holiday, pension obligations, and any live tribunal claims attached to the transferring population.

For the TSA this matters because the transferred employees may still operate seller systems during transition. The agreement defines who manages them, how instructions flow, and how the buyer protects against a seller decision that creates a TUPE liability Newco will carry.

Section 02

Payroll, PAYE, and pension auto enrolment.

Newco needs its own PAYE scheme registered with HMRC to operate UK payroll. Real Time Information reporting means every pay run is filed to HMRC on or before payday, so the scheme, the payroll software, and the bank arrangements must be live before the first run. A common pattern is for the seller to run UK payroll under a TSA for one or two cycles while Newco stands up its scheme, then a clean cutover at a tax period boundary.

Pension auto enrolment under the Pensions Regulator is a hard obligation, not an optional benefit. Newco must have a qualifying scheme in place and re enrol eligible workers, and the existing salary sacrifice and contribution arrangements transfer with the employees. Missing the auto enrolment duties carries fixed and escalating penalties, so it sits on the Day One critical path.

VAT registration, the corporation tax setup, and a Companies House incorporation for the Newco entity round out the statutory stand-up. Where Newco is a fresh entity it registers for VAT in its own right, and the team confirms whether a VAT group election with the wider buyer structure is appropriate.

The buyer holds any seller payroll TSA to cost-plus or fixed-fee with audit rights, and writes a firm exit date so the transition does not drift into an open ended dependency that suits the seller.

The buyer also confirms the apprenticeship levy position, the student loan deductions, and any salary sacrifice arrangements, because each carries through payroll and a missed setting surfaces as an underdeduction the buyer corrects later. Where the seller operated a payroll bureau, the buyer decides whether Newco inherits that contract or stands up its own, and prices the bureau exit into the TSA rather than discovering a notice period after completion.

Section 03

Data protection under the UK GDPR.

The UK left the EU regime but retained it as the UK GDPR sitting alongside the Data Protection Act 2018, supervised by the Information Commissioner’s Office. Employee and customer personal data that Newco holds, or that the seller processes for Newco during the TSA, must have a lawful basis and a clear controller and processor mapping for the transition period.

During a TSA the seller almost always processes Newco personal data inside shared systems. That arrangement needs a data processing agreement that names the seller as processor, defines the instructions, sets security obligations, and fixes a deletion or return duty at exit. Without it the buyer carries regulatory risk for processing it does not control.

International transfers deserve attention where the seller hosts data outside the UK or routes support through other countries. The team confirms the transfer mechanism, whether the UK addendum to the standard contractual clauses or an adequacy finding, so the TSA does not create an unlawful transfer the buyer inherits.

A short data protection impact assessment for the migration itself is good practice, and it doubles as the audit trail the ICO would expect if a transition incident ever surfaced.

Section 04

Consultation and employee representation.

The UK has no mandatory works council in the continental sense, but TUPE consultation is mandatory and runs through recognised trade unions or, where none exist, elected employee representatives. The seller organises the election and the consultation, and the buyer provides the information about measures it intends to take so the seller can consult on them.

Where a recognised union holds a collective agreement, that agreement transfers with the employees, and the buyer honours its terms until lawfully varied. Attempting to harmonise terms downward immediately after a transfer is a frequent and expensive mistake, because TUPE restricts changes connected to the transfer.

The buyer aligns its Day One communications with the seller consultation timeline. A premature Newco announcement can undercut the seller process and create a consultation breach the buyer then shares. The sequence is consultation first, completion second, employee communication third.

Because the UK process is lighter than Germany or France, buyers sometimes underweight it. The exposure is real, and the discipline is to treat UK consultation with the same rigour applied in the German carve-out.

Section 05

TSA scope, cutover, and cost discipline.

The UK TSA scope usually covers payroll, IT and email, finance systems, and shared facilities for a defined period. Each service gets a clear description, a service-level expectation, a price held to cost-plus or fixed-fee, and an exit ramp. The buyer resists a single blended monthly fee because it hides the cost of each service and weakens the case to exit early.

Cutover is sequenced service by service rather than attempted in one move. Payroll cuts at a tax period boundary, IT at a tested migration window, finance at a month end. Each cutover has a reconciliation gate and a rollback trigger so a failure in one service does not cascade into the others.

Cost discipline starts before signing. The buyer benchmarks the seller charges against the real underlying cost, strips out any mark-up the seller cannot justify, and sets exit fees that fall as the term runs so the incentive favours an early exit. An independent buyer-side review is the cleanest way to hold that line.

A disciplined UK separation leaves Newco running its own PAYE, its own pension scheme, and its own data estate, with the seller dependency closed on a date the buyer chose. That outcome is the product of a pre-signing review that priced and scoped the TSA before the buyer lost leverage.

A practical UK trap is the gap between exchange and completion. Where the two are separated by weeks, the buyer agrees how consultation, system access, and any interim payroll run are handled in that window so neither side is left improvising. The interim arrangements belong in the TSA or a short pre completion side letter, priced and bounded like every other service.

FAQ

Questions buyers ask before signing.

Does TUPE move employees automatically in a UK carve-out?

Yes. Employees assigned to the transferring business move to Newco automatically on their existing terms with continuity of service. The buyer cannot select who transfers, and transfer connected dismissals are automatically unfair absent a narrow economic, technical, or organisational reason.

How fast can Newco run its own UK payroll?

A new HMRC PAYE scheme can be registered quickly, but Real Time Information filing, pension auto enrolment, and bank setup mean most buyers take one or two seller run payroll cycles under the TSA before a clean cutover at a tax period boundary.

Is the UK GDPR different from the EU GDPR for a TSA?

The substance is closely aligned, but the UK GDPR is supervised by the ICO under the Data Protection Act 2018, and international transfers use the UK addendum to the standard contractual clauses. The TSA still needs a processor agreement for any seller processing of Newco data.

Who is liable if the seller fails to consult under TUPE?

Liability for a failure to inform and consult can fall on both seller and buyer, with an award of up to 13 weeks pay per affected employee. The buyer confirms a compliant process before completion rather than inheriting the exposure afterward.

Related Reading

More on cross-border carve-outs.

Free Download

Get the buyer-side TSA Exit Playbook.

The 90-day governance, IT, finance, HR and procurement separation plan we run on live carve-outs. Get the playbook plus the bi-weekly Day One Letter — short, signal-heavy, buyer-side.

No spam. Unsubscribe in one click. · Read the overview first →

A UK carve-out is won at the PAYE boundary.
TSA Pre-Signing Review

Scope the UK TSA before you sign.

We price and pressure test the TSA while you still hold leverage. Fixed-fee proposal in 48 hours. The first conversation is always free.

White paper

The TSA Exit Playbook

Seven buyer-side moves to exit a Transition Services Agreement on time and below budget. The mark-up, the extension-fee curve, exit sequencing, and the 11-month calendar.

Read the playbook →
The Day One Letter

Get buyer-side TSA intelligence every two weeks

One tactic, one benchmark, or one pattern from a recent buyer-side engagement. Short. Signal heavy. Free.

Subscribe to The Day One Letter →