Insights
Financial diligence tells you what happened. Operational due diligence tells you whether it keeps happening after the owner leaves. A former auditor's read.
A spreadsheet is honest about the past and quiet about the future. I have read a lot of them, first as an auditor at the Canada Revenue Agency and later as an operator, and a good set of statements will tell you what a business earned. It will not tell you why it earned it, or whether the why walks out the door the day the owner hands over the keys. Operational due diligence exists to close that gap.
Financial diligence and a quality-of-earnings report answer one question well. Are the earnings real, and are they normalized. That matters. But normalized EBITDA is a photograph of a moving thing. It captures a business run a certain way, by a certain person, under conditions that may not hold after the deal closes. When I look at a company for a buyer, I am reading for durability. Will this keep happening after the person who made it happen is gone.
A quality-of-earnings report traces revenue to cash, tests margins, and strips out the one-time items so a buyer can see a clean run rate. I respect that work. It says almost nothing about the machine that produced the past. A business can post five clean years and still sit one resignation away from a very different sixth year. The financials price the engine's output. Operational diligence opens the hood.
Here is how I hold the two apart. Financial diligence tells you what happened. Operational diligence tells you whether it will keep happening after the owner leaves. A buyer who funds a purchase on the first and skips the second is paying for a track record and hoping the conditions behind it travel with the sale. They rarely travel on their own.
Owner dependence is the risk that sits underneath every other risk in a small or mid-sized business. The owner is often the top salesperson, the final approver, the person the best customers call, and the working memory of how everything gets done. None of that shows up as a line item. All of it leaves on closing day.
I test for it with plain questions. What decisions can only the owner make. Which relationships are held in the owner's name rather than the company's. If the owner took an unplanned month away, what breaks by week two. Who signs off on price exceptions, credit, and refunds. When the honest answer to most of these is the owner, the business is not worth what the trailing numbers say. The buyer is acquiring a job, and the value drains the moment the person doing that job walks. I wrote more about this in what owner dependence really means.
A business runs on one of two things: documented process or institutional memory. Memory is cheap to build and expensive to lose. When the method for quoting a job, onboarding a client, closing the month, or handling a complaint lives only in a few long-tenured people, the company is carrying a liability that no balance sheet records. Those people can quit or retire, and memory fades on its own.
As a Lean Six Sigma practitioner I look for standard work, which is the written, current, followed version of how a task is done. Not a binder written for the sale. The real test is whether a competent new hire could run the process from what exists on paper today. I ask to see the actual documents, then I watch someone do the task and compare. The gap between the written process and the observed one is usually where the risk lives.
Reported revenue tells you what the business sold. It does not tell you whether it can sell more without breaking. Capacity is the ceiling, and most owners cannot tell you where theirs is because they have never had to measure it. A buyer paying a growth multiple is paying for headroom that may not exist.
I map the flow of work from first contact to delivery to cash, and I look for the constraint. Every operation has one bottleneck that sets the pace of the whole system. It might be a single senior technician, one piece of equipment, a licensing step, or the owner's own inbox. Find the constraint and you learn two things at once: the true capacity, and what a buyer would have to relieve to make the growth case real. A plan built on volume the constraint cannot carry fails in month three.
Owners tend to describe their systems the way they wish they worked. I read the data instead. If the CRM is half-empty, if inventory counts drift from what is on the shelf, if the same customer appears three times under three spellings, then the reports built on that data are decoration. I have seen clean dashboards resting on numbers no one trusted internally.
The questions are simple. Where does each important number come from. Who enters it, when, and what stops them from entering it wrong. Can the business produce the same figure twice from source. Data quality is an operational fact with financial consequences, because a buyer will run the first hundred days on these systems and inherit every gap in them.
The financials will flag that one customer is thirty percent of revenue. The operational read is sharper. How is that account actually held. Is it a contract with switching costs, or a friendship between the owner and a buyer who both retire soon. Same on the supply side. A single supplier for a critical input, an informal payment term resting on personal trust, a key subcontractor with no backup, none of these appear in a margin analysis, and all can move the value after close.
Concentration you can see is a negotiable risk. Concentration hidden inside a personal relationship is the kind that surprises a new owner in the first quarter.
Between the owner and the front line there is usually a thin layer of managers. Whether that layer can carry weight decides most of what happens after the sale. I look at what these managers actually decide versus what they route upward. A manager who cannot approve a refund or adjust a schedule without the owner is a supervisor with a title, and the business is more owner-dependent than the org chart admits.
The strong signal is a genuine second in command, someone who already runs a meaningful part of the operation and would stay through a transition. The presence or absence of that person changes the price and the deal structure, and it changes how long the owner needs to stay on. A buyer who finds it early can build the retention terms that protect the investment. I cover the broader pattern in why deals die in due diligence.
For a buy-and-build, the question runs past whether the target is healthy on its own. What matters is whether it can be joined to something else. Two companies can each be profitable and still be hard to combine because their systems, charts of accounts, part numbers, and ways of working do not line up. I look at how standardized the target already is, because a business that runs on documented process folds into a platform far more cleanly than one that runs on a single founder's judgment.
Underneath all of it is the gap I am always measuring, the distance between the reported story and the operating reality. The seller's memo describes the company at its best. The floor shows you the company on an average Tuesday. My job for a buyer is to size that gap honestly and price it. My job for an owner is to close it before anyone comes to look.
Here is the short version I hand a buyer, and what an owner should run against themselves first.
An owner who wants to be bought well should treat that list as a preparation plan, not an audit to survive. Every gap you close before the process starts is value you keep instead of surrender at the table. Good operational diligence protects a buyer from overpaying for a story, and it hands both sides a working draft of the first hundred days. The risks it surfaces are the ones the new owner has to manage from day one. If you are on either side of a deal and want a straight read, get in touch. A full due diligence checklist for Canadian businesses sits alongside this piece.
How is operational due diligence different from a quality-of-earnings report? A quality-of-earnings report verifies that reported profit is real and normalized. Operational due diligence tests whether the business can keep producing that profit after the owner leaves. One reads the output, the other reads the machine.
When should a buyer start operational diligence? Early, in parallel with financial diligence, not after. The operational findings often change the price and the structure, and there is little point confirming earnings if the machine behind them cannot survive the transition.
Can an owner prepare to pass operational diligence? Yes, and the time to start is a year or more before a sale. Document your core processes, build a genuine second in command, and reduce the number of decisions that only you can make. Each of those closes a gap a buyer would otherwise discount.
Does operational diligence only matter for large deals? No. It matters most for owner-run businesses, where the owner is usually the largest single point of failure. The smaller and more founder-driven the company, the more the operational read decides whether the price is safe.
Provenance Advisory Group, bilingual training and fractional operations for owner-run businesses in Manitoba, Quebec and New Brunswick, and operations and Lean training for public-service teams and not-for-profits across Canada.
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