Operational Due Diligence
Readiness
Preparing for operational due diligence is not something that happens during a transaction. It is something a business builds over 12–24 months before any process begins.
Operational due diligence is not something that happens to a business during a transaction. It is something a business either has or does not have the operating discipline to withstand.
Businesses rarely fail ODD because of a single problem. They fail because operational confidence erodes progressively — across reporting, systems, leadership, inventory and pricing — and the cumulative effect is a business that looks more uncertain than the seller believes it to be.
The window to address ODD risk is before any process begins. Once an information memorandum has been distributed, the scope for meaningful remediation has effectively closed.
"Buyers do not fail diligence at the point of finding something. They lose confidence gradually — one gap at a time — until the cumulative weight changes what they are willing to pay."— Scott Foster, Shape Executive
Operational due diligence scope varies by buyer and transaction type, but the following ten categories are consistent across PE acquisition, trade sale, strategic review and management buyout processes.
The frequency, timeliness and consistency of management accounts. Are monthly P&Ls produced within 10 business days? Are they reconcilable to statutory financials? Is there customer-level profitability data? The quality of reporting defines the credibility of every other claim.
Is there an integrated ERP system with reliable data? Can buyers access customer, product and branch profitability from the system rather than spreadsheets? Fragmented systems require workarounds — and workarounds introduce error risk that buyers will price.
Is the inventory figure on the balance sheet accurate and current? Has it been independently verified? Are turns tracked by category? Working capital normalisation frequently surfaces inventory overstatement in businesses where stock records have not been audited recently.
Is there a defined management structure with documented accountability? Can the business operate effectively if the founder steps back from day-to-day operations? Buyers need to believe they are acquiring a business, not a founder dependency with supporting infrastructure.
Are pricing decisions governed by defined floor margins and an approval process, or are they left to individual sales discretion? The absence of pricing governance is one of the most reliable indicators of hidden margin leakage and future earnings vulnerability.
Customer concentration, contract status, profitability by account and retention evidence. Buyers will want to understand whether the revenue base is diversified, recurring and defensible — or concentrated, informal and relationship-dependent.
For multi-site businesses: are operational standards, reporting quality and performance management consistent across all locations? High variation in branch performance is a diligence flag that creates execution risk concerns for the acquirer.
Is there a documented forecasting process with a rolling 12-month view that is reviewed monthly and has a track record of accuracy within a reasonable range? Forecasts that consistently surprise — in either direction — are a signal of pipeline opacity and planning immaturity.
DSO trends, payment terms, cash conversion and working capital normalisation are central to the financial due diligence process. Working capital surprises in a normalised close are the most common source of late-stage transaction pressure.
Is there a regular, documented rhythm of commercial and operational review? Do senior leaders meet around a defined set of KPIs on a monthly cadence, with variances investigated and actions documented? Cadence creates evidence — evidence creates buyer confidence.
The 12 to 24 months before any formal process is when ODD preparation delivers the most value. Changes made in this window become documented, demonstrable and part of the business's operating record by the time diligence begins.
Improvements made during an active transaction process are visible as recent activity, not embedded practice. Buyers attribute less confidence to changes they can see were made specifically for them.
Foundation window
Reporting, ERP, pricing governance, forecasting cadence. These require time to build, document and demonstrate. Starting here creates the most durable evidence base.
Quality window
Customer quality, working capital normalisation, inventory accuracy, leadership structure documentation. These can be addressed in a shorter timeframe and have immediate visibility in financial due diligence.
Presentation window
Vendor due diligence preparation, normalisation documentation, management accounts audit, EBITDA bridge. These are confirmatory — not remediation. If the foundation is not in place, this window cannot substitute for it.
Transaction Readiness Assessment
A 13-category diagnostic covering each of the ODD areas above. Identifies where the highest-priority preparation work sits before a process begins.
Why Good Businesses Underperform in Transactions
The structural reasons operationally sound businesses create diligence friction — and how the legibility gap forms.
For founders who have received an approach, Before You Say Yes covers what the full sale process involves and what needs to be in place. The Commercial Engine addresses the operational improvements — pricing, working capital and pipeline — that most directly reduce ODD risk. Understanding the translation gap between founder and buyer language is essential context for any diligence preparation work.
The patterns by which confidence erodes during a live transaction process — and how each of the ODD gaps described above manifests in diligence — are examined in Why Transactions Stall During Diligence.
Prepare before the process starts
Operational due diligence readiness is built over 12–24 months, not 60 days.
How I diagnose
value creation.
I don't rely on opinion — I quantify value creation pathways. These tools are what I use in the first 30 days of every operating partner mandate.
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