M&A digital due diligence for family businesses: a four-week brief

Family-business transactions – minority stake, full sale, generational transition – are increasingly preceded by a more structured digital due-diligence phase. The reasons are unsurprising: acquirers want evidence of digital maturity, or its absence, before pricing the deal.

What due diligence actually examines

In practice, four areas:

• Data ownership and quality. Where is customer, financial, and operational data held; who owns it; how clean is it; how transferable is it under the proposed deal structure.
• Platform dependencies. Critical SaaS contracts, change-of-control clauses, expiry dates, single-vendor risks.
• Cyber and regulatory posture. Cyber insurance currency, ICO breach history, FCA correspondence (where applicable), staff offboarding controls.
• Operating-model fragility. Roles where institutional knowledge sits in one head, undocumented processes, dependencies on an outgoing principal.

A practical four-week shape

For most mid-sized family businesses, a useful brief runs:

1. Week 1 – confidential interviews with the leadership team and the IT lead; review of existing platform contracts and security documentation.
2. Week 2 – assessment of data quality, platform dependencies, cyber posture, and single-points-of-failure in the operating model.
3. Week 3 – written diagnostic with prioritised remediation list – what to fix before the data room opens, and what to flag to the acquirer.
4. Week 4 – board presentation, transaction-team briefing, and (if required) presence on the data-room call.

The deliverable is brief, board-ready, and tailored to the specific deal context – not a generic IT audit. Whether it surfaces a remediation list or simply confirms the firm is transaction-ready, the evidence is the value.