Due diligence on an engineering firm

Due diligence on an engineering firm is largely an exercise in verifying two things a set of financial statements will not show on its own: whether liability from past design and inspection work is fully disclosed, and whether the firm’s licence to operate actually survives your ownership. Both determine whether the business you are buying keeps functioning the way it has, and both need to be resolved before your conditional period expires rather than assumed.

Professional-liability claims history is the document that matters most

Request a full history of professional-liability insurance claims, including any matter that was reported to the insurer even if it did not result in a paid claim, and confirm coverage has been continuous with no lapses. Design and inspection liability can surface years after a project closes, so the absence of a current claim tells you less than a complete claims history does — ask specifically about any project with known deficiencies, warranty disputes, or client complaints that have not yet escalated to a formal claim.

Confirming certificate-of-authorization continuity

Verify directly with the provincial engineering regulator, not just through the seller’s representation, that the firm’s certificate or permit is in good standing and confirm in writing which licensed engineers plan to remain engaged after closing. Where the firm operates in Quebec, run the equivalent check with the Ordre des ingénieurs du Québec, since its framework is distinct and a certificate confirmed in one province tells you nothing about standing in the other. Treat any uncertainty here as grounds to extend your conditional period rather than push toward a closing date that assumes an approval that has not actually been confirmed.

Pipeline quality and pre-qualification status

Request the project pipeline broken out by client, contract type and stage of completion, and look specifically at how concentrated it is in tendered one-off work versus standing institutional or municipal contracts. Where the firm holds pre-qualified-vendor status with a government or municipal client, confirm directly with that client whether the status transfers on a change of control or needs to be re-earned, since losing it can remove access to a meaningful share of the pipeline you are counting on.

Contract assignability and change-of-control provisions

Review the firm’s largest active contracts for assignment and change-of-control clauses, since public-sector and municipal agreements in particular often require formal notice or can trigger re-tendering when ownership changes. A contract that looks stable on the revenue schedule can turn out to require a client’s active consent to continue, and that consent is not guaranteed simply because the work is proceeding smoothly today.

Employment and key-engineer diligence

Review employment agreements for every licensed engineer the firm’s certificate depends on, and confirm whether a retention or stay arrangement is already in place versus something you will need to negotiate yourself before closing. General employment due diligence matters here too — outstanding termination exposure, unresolved complaints, and any missed notice obligation — because a business built around a small number of licensed people carries more employment risk per employee than a typical small business does. Where a key engineer’s departure is planned or even just possible, work out what happens to the certificate of authorization and to any project currently sealed under that person’s name, rather than treating staff continuity as something to confirm informally in conversation with the seller.

What a finding actually changes in the deal

A liability-history concern or an unresolved contract-consent question does not automatically end a deal — more often it changes how the deal is structured. A gap in insurance continuity, an open claim, or uncertainty over whether a client contract survives a change of control commonly gets addressed through a price adjustment, a specific indemnity, or a holdback of part of the purchase price released once the uncertainty resolves — for example once a renewal notice period passes without incident or a claim is formally closed. Treat a finding as information to negotiate with rather than as a reason to panic, but also do not let a seller talk you out of structuring around a real risk simply because addressing it properly slows down the timeline both of you are hoping for.

Corporate, lien and execution searches

Run a corporate search on the firm and a lien and execution search against both the corporation and its principals to confirm there are no undisclosed claims that could attach to the assets you are buying. Where the firm holds a lease, review the landlord’s consent and assignment provisions in parallel, since a slow landlord can hold up an otherwise-ready closing regardless of how clean everything else looks.