14 Focus Areas for Operational Due Diligence

What PE Firms Miss in Operational Due Diligence — And What It Costs Them

The operation is where your investment thesis either holds or falls apart. In 2026, the stakes are higher than ever — GPs are sitting on $2.5 trillion in global dry powder, LP patience is wearing thin, and competition for quality manufacturing assets is intensifying. But the tailwinds that once made deals forgiving — expanding multiples, cheap leverage, easy exits — are gone. In this environment, operational due diligence isn’t a box to check. It’s the difference between a confident deal and a costly surprise.

What most PE firms miss isn’t hidden. It’s just not where they’re looking.

TBM has conducted hundreds of operational due diligence engagements, delivering the experiential insight to confidently pull the trigger — or walk away. We’ve distilled that experience into 14 focus areas that give you a complete operational lens on any target — before you pull the trigger.

These aren’t checkbox items. They’re the areas where real value hides and where risk compounds quietly until it doesn’t. When time is limited, concentrate on the areas that most directly relate to your investment thesis. Some risks, once missed, are expensive to unwind. From capacity utilization and lean maturity to supply chain resilience and maintenance liability, each factor can materially shift your EBITDA model, your 100-day plan, and your confidence in the deal.

Fill out the form to download this infographic to get the full framework — and know exactly what to assess, what to ask, and what to watch out for in manufacturing and industrial diligence.

Frequently Asked Questions

Why is operational due diligence essential in private equity transactions?

Operational due diligence is essential because it reveals whether a business can realistically deliver on its value creation plan after acquisition. The infographic explains that financial results alone do not show execution capability, leadership effectiveness, or operational risk. By examining how the business actually operates day to day, private equity firms gain insight into potential upside, hidden risks, and the true effort required to achieve performance targets.

What key operational areas should private equity firms examine during due diligence?

The infographic highlights examination areas such as leadership and management systems, operational stability, productivity, supply chain performance, and execution discipline. These areas determine how reliably the company can perform and improve post‑close. Evaluating them helps investors understand where value can be created quickly and where weaknesses may slow or derail improvement efforts.

How does focusing on these examination areas improve post‑acquisition outcomes?

Focusing on critical operational examination areas allows private equity firms to move faster and with greater confidence after close. The infographic emphasizes that clear understanding of execution gaps enables more realistic value creation plans, better leadership alignment, and quicker prioritization of improvement actions. This reduces surprises, shortens stabilization time, and increases the likelihood of achieving EBITDA and growth targets within the hold period.