A post-closing checklist for a new Canadian business owner covers the administrative, banking, tax and integration steps that follow the day of closing itself, separate from closing-day mechanics — from setting up new accounts through to monitoring an escrow holdback release.
Reviewed
This checklist covers what a new owner should do in the days and months after taking over a Canadian small or medium business, once closing day itself is behind them. The handover of keys is not the end of the process — a new owner who treats the weeks after closing as an afterthought risks losing the customer goodwill and staff continuity they just paid for.
Handle the administrative follow-through
Open new business bank accounts and redirect incoming payments as soon as possible after closingA delay here can mean customer payments continuing to land in an account the seller controls, which gets awkward to untangle the longer it goes on.
Update CRA program accounts — payroll, GST/HST, corporate income tax — to reflect the new ownershipRunning payroll or remitting sales tax under the wrong account information creates a mess that compounds the longer it is left unaddressed.
Confirm business name registrations, licences and permits reflect the new ownership where requiredSome registrations transfer automatically on a share purchase; others require active notification, and missing one can lapse a permit without warning.
Set a calendar reminder for any escrow holdback release date and confirm the release conditions were actually metA holdback that quietly passes its release date without anyone checking the conditions is money left on the table, or a dispute waiting to surface.
Communicate with the people who matter
Introduce yourself to key customers and suppliers promptly, in the manner the transition plan set outA customer who hears about the change of ownership secondhand, or not at all, is more likely to start shopping around out of uncertainty.
Hold an early one-on-one with each key employee identified during due diligenceThe first weeks under new ownership are when a key employee decides whether to stay, and a new owner who has not reached out personally is easy to read as uninterested.
Review any seller transition or consulting arrangement and confirm both sides understand its scope and end dateA vague transition arrangement, with no clear end point, tends to create confusion about who is actually running the business.
Protect the value of what was purchased
Review contracts inherited from the seller for upcoming renewal, notice or termination datesA contract that quietly expires because nobody was tracking the date can undo work that was priced into the purchase in the first place.
Confirm the representations and warranties survival period in the purchase agreement, and note when it expiresThis is the window during which a buyer can still bring a claim if something material turns out to have been misrepresented, and it is worth diarizing.
Confirm the seller has been released, or is being actively released, from any personal guarantee tied to the businessAn unreleased guarantee is the seller’s problem on paper, but an owner who ignores it can find the seller pushing back hard if it is not resolved.
Integrate the operations
Migrate accounting, payroll and point-of-sale systems onto the new owner’s preferred platforms on a planned timelineSwitching everything at once, in the first days of ownership, is a common way to lose track of a transaction or a payroll run during the busiest possible period.
Schedule a series of short-, medium- and longer-term reviews to compare actual performance against what due diligence projectedThis is the first real check on whether the business is performing the way the numbers and the plan said it would, and it flags problems early enough to still act on them.
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