Bring payroll under control during mergers and acquisitions

Mergers and acquisitions don’t just combine organisations – they expose gaps, inconsistencies and risks in payroll operations from day one.

ADP helps you stabilise, integrate and scale payroll and time during M&A, so you can maintain continuity, manage risk and support your workforce through change.

When M&A puts pressure on payroll and time

Bringing organisations together creates immediate operational challenges. Different systems, processes and policies have to work as one – often under tight timelines.

Common issues include:

Multiple payroll systems and providers across entities
Conflicting time policies, contracts and benefits structures
Limited visibility of payroll data, costs and compliance risks
Pressure to run accurate payroll from Day 1 post‑transaction
Complex regulatory requirements, especially in multi-country mergers
Uncertainty for employees during organisational change

A structured approach to payroll and time integration

ADP supports M&A by helping you bring payroll and time into a controlled, consistent framework:

Integrate systems and data with a clear structure

Consolidate payroll and time data from multiple systems into a single, consistent framework, reducing fragmentation and improving accuracy

Establish consistent payroll processes across entities

Define standard processes and controls so payroll runs reliably across legacy organisations, while still meeting local requirements

Manage compliance across jurisdictions

Maintain alignment with local labour laws, tax requirements and benefits obligations as entities merge and structures change

Support employees through transition

Maintain communication, onboarding and time processes that help employees understand changes and remain engaged during integration

Gain visibility and control across the combined workforce

Access consolidated reporting across payroll, headcount and costs – supporting better decision-making during and after the transaction

A coming-together of two large multinationals meant we had two of everything. ADP helped to simplify our integration process. Laying out clear direction in terms of how, where and when to do it was key for our success - Dell Technologies

Proven in complex integrations

Organisations use ADP to stabilise payroll and time during large-scale integrations.

Dell Technologies used ADP to support payroll integration following its merger with EMC, helping simplify a complex multi-country consolidation

Read full case study

Getting payroll and time integration underway doesn’t need to be complex – here’s how it works:

Step 1

Speak to our team

Discuss your current payroll and time setup across entities, including any challenges around systems, processes or integration following a merger or acquisition

Step 2

Define a clear operating model

ADP helps structure how payroll and time processes, systems and data should be aligned across the organisation

Step 3

Get up and running with a structured framework

Implement a connected payroll and time model with onboarding and ongoing support

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FAQs

ADP helps integrate payroll systems, standardise processes and maintain compliance, so payroll runs accurately and consistently during organisational change.

Yes. Payroll data and processes can be consolidated into a unified structure or managed through a coordinated framework, depending on your integration approach.

Compliance is supported through local expertise and structured processes, helping maintain alignment with labour laws, tax requirements and benefits obligations in each location.

ADP supports onboarding, communication and time processes to help employees understand changes and remain engaged during the transition.

Yes. Many organisations stabilise payroll initially, then move toward a more standardised global model as integration progresses.

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