Workforce due diligence and post-merger integration

The workforce side of a transaction, before and after: what the target's people actually cost, what transfers automatically, what cannot be changed afterwards, and who leaves. In Belgium contracts transfer with every individual and collective condition attached, so an acquirer inherits two sets of terms and reconciles them over years rather than quarters.

32bis

The Belgian rule transferring employment contracts automatically to the acquirer, with every individual and collective condition attached to them.

Feb2025

Since when the seller must also bring the identified buyer before the works council.

0

Essential term can be changed afterwards without the worker agreeing to it.

Purple Elipse - Sparagus
Features

What a workforce
review covers

Workforce cost and structure

What the people cost, fully loaded.

Collective agreements in force

Which committee applies, and what it obliges.

External workforce review

The population the data room leaves out.

Key person and retention risk

Who leaves, and what leaves with them.

Consultation planning

Before the transition, not after signing.

Contract transfer execution

What moves across, and on which terms.

Harmonisation roadmap

Because it takes years, so it needs a plan.

What changes
in the numbers

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Benefits

The real cost

Fully loaded workforce cost, including the collective commitments that come with the contracts rather than the payroll line alone. The gap between those two numbers is where most workforce surprises in a deal actually sit.

No inherited surprises

The conditions you cannot change afterwards, identified before you agree a price. Pay, function, hours and seniority move with the person, and none of them can be adjusted unilaterally once they have.

The population nobody counted

Contractors, freelancers and agency workers, who do the work but are not in the employee schedule. Their arrangements do not transfer the way contracts do, and their classification is now your exposure.

A real plan

Harmonisation sequenced over the years it will actually take, with the cost of each step known in advance. Integration plans that assume one set of terms by year one are the ones that quietly fail.

Four views
of the same transaction

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How it compares
With us
Financial DD
Legal DD
Nothing
What gets examinedPeople, cost and commitmentsPayroll as a cost lineContracts and litigationThe headcount schedule
External workforceCounted and classifiedUsually in a supplier ledgerContracts, not headcountDiscovered in month three
ConsultationPlanned into the timetableNot their scopeAdvised on, not runHandled late, under pressure
After closingWe stay for the integrationThe engagement has endedAvailable if askedImprovised by the HR team
Fits whenPeople are a material part of itAlways, and it is not enoughAlways, and also not enoughNever, though it is common

How many people come with it?

Including the ones who are not employees. That number is usually wrong in the data room.

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Our story

How a workforce
review runs

Pre-deal review

Headcount, cost, collective commitments, external workers, and what cannot be changed after closing.

2 to 4 weeks
01

Consultation planning

What has to be told to whom, in what order, and what that does to the transaction timetable.

2 to 3 weeks
02

Transition and transfer

Contracts transferred, conditions carried across correctly, retention handled while people decide.

4 to 12 weeks
03

Harmonisation

Two sets of terms reconciled over the period it genuinely takes, with each step costed and agreed rather than attempted at once. This is the phase integration plans underestimate, and where the value of the deal is kept or lost.

04
32bis

The Belgian rule transferring employment contracts automatically to the acquirer, with every individual and collective condition attached to them.

Feb2025

Since when the seller must also bring the identified buyer before the works council.

0

Essential term can be changed afterwards without the worker agreeing to it.

Where workforce
risk sits in a deal

Purple Elipse - Sparagus
Expertise

Pay and grading structures

Two scales inside one company, on different indexation calendars.

Collective commitments

Sectoral and company agreements that transfer with the contracts.

External workforce

Contractors and agency workers, whose arrangements follow different rules entirely.

Key person dependency

The handful of people the business actually runs on, rarely named in the schedule.

Duplicate functions

Where two organisations both have one of everything, and neither wants to say so.

Works council relations

The history of the relationship, which predicts how the consultation will go.

Sectorswe do this work in

Automotive and manufacturing

Strong collective structures, so harmonisation is negotiated rather than decided.

Financial services

Consolidation is constant, and external technology populations are large.

Technology and innovation

Where the value acquired is the team, so retention is the whole exercise.

Frequently
asked questions

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FAQ
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Contact

Start with the workforce picture

Send us the headcount schedule and the supplier ledger. You get a view of what the workforce really costs, what transfers, and what the consultation calendar does to your timetable.

Talk to our team →