Buying or selling a small business in London, Ontario, blends excitement with a heavy dose of paperwork, negotiation, and number crunching. The tax piece is where deals get shaped, values swing, and timelines stretch. I have seen great businesses stumble in diligence because nobody mapped the tax consequences early. I have also watched sellers keep six figures they would have otherwise left on the table, simply by shifting from an asset sale to a share sale at the right moment, or by tidying their balance sheet six months before going to market. Whether you want to buy a business in London or sell a business in London, Ontario, the rules are specific, and the trade-offs are real.
A quick word on context. London’s market mixes owner-operator trades, healthcare and professional practices, industrial services, food and hospitality, logistics, and e‑commerce. Many are closely held corporations with real estate either inside the operating company or in a separate holding company. That one structural choice can change your tax picture dramatically. If you work with a local intermediary like Liquid Sunset Business Brokers, you can often find off-market situations or a small business for sale in London where planning time exists. Good advisors buy you time, and time helps with tax.
The first fork in the road: asset sale or share sale
Every deal starts here. In an asset sale, the corporation sells its equipment, inventory, customer contracts, and goodwill. In a share sale, the shareholders sell the shares of the corporation. This single choice drives tax rates, HST, and future flexibility.
Sellers usually prefer share sales. The gain on shares, for individuals, is typically a capital gain. If the shares qualify as Qualified Small Business Corporation shares, the Lifetime Capital Gains Exemption (LCGE) can shelter a large portion of that gain. The LCGE is indexed, and has been around the million-dollar mark in recent years. Qualifying takes preparation. Among the big tests, at the time of sale at least 90 percent of the company’s assets usually need to be used principally in an active business in Canada, and for most of the two years before the sale at least 50 percent of the assets must have been used that way. Cash build-ups, passive investments, or excess real estate can cause trouble. That is why “purification” transactions months before a sale are common, moving non-business assets out so the shares meet the tests.

Buyers usually prefer asset deals. They get a tax step-up in the assets, which means higher depreciation (capital cost allowance) on equipment and intangible assets. Goodwill and most intangible value falls into Class 14.1, with tax depreciation generally at 5 percent on a declining balance, subject to the half-year rule in year one. Buyers also avoid inheriting hidden tax liabilities like unremitted HST or payroll deductions, and they do not assume historical tax positions that could be challenged.
Neither side always wins this arm wrestle. Pricing and structure get traded together. A seller willing to accept an asset sale might ask for a higher purchase price to offset the less favourable tax, or better terms such as a larger upfront payment. A buyer open to a share sale might push for representations, warranties, and an escrow or holdback to cover any tax exposures.
HST on the deal, when it applies and when it does not
The GST/HST rules are sometimes misunderstood. In Ontario, HST is 13 percent. On a share sale, no HST applies to the shares themselves. On an asset sale, HST would ordinarily apply to most assets, including goodwill. There is a common and useful exception. If the buyer and seller jointly elect under section 167 of the Excise Tax Act, and the buyer is acquiring all or substantially all of the business as a going concern and is an HST registrant, HST does not have to be charged on the assets other than certain excluded items like real property, which may have its own rules. That “going concern” election requires specific wording and a check that the assets transferred truly constitute the operating business. I have seen last-minute scrambles when a seller keeps the domain name or a key software license, and suddenly the test is at risk.
Inventory sold in an asset deal normally attracts HST absent the election. Accounts receivable have their own quirks. Where receivables are included, a section 22 election under the Income Tax Act can result in tax treatment that accommodates deductibility of bad debts on the buyer’s side. If the business includes real property, HST may or may not apply depending on the property’s use and the history of improvements. London does not have Toronto’s municipal land transfer tax, but Ontario’s land transfer tax could still appear on a real estate transfer, independent of HST.
How purchase price allocation changes taxes on both sides
Asset deals force you to allocate the total purchase price across tangible assets, intangible assets, and goodwill. These allocations do not just sit in a schedule, they drive real tax results.
For sellers, recapture of capital cost allowance can be triggered when depreciable assets are sold for more than their tax value, and that recapture is fully taxable as business income. Proceeds above original cost for depreciable assets become capital gains. Proceeds attached to inventory are business income. Proceeds for goodwill generally create a capital gain. The mix can sharply change the seller’s total tax.
For buyers, stepping up depreciable assets like equipment or software increases future deductions. A higher allocation to goodwill means slower deductions due to the 5 percent Class 14.1 rate, but that can still be better than a share deal with no internal step-up. Negotiating the allocation early matters, and it helps to run sensitivity analyses. A small shift from equipment to goodwill or vice versa can swing cash taxes in the first two years enough to justify a pricing adjustment.
Lifetime Capital Gains Exemption: what it is and what can get in the way
For many owner-operators in London, the LCGE is the prize. If your common shares qualify as QSBC shares, the exemption can shelter gains roughly in the million-dollar range per individual. Many families use a trust or multiple shareholders to multiply the exemption across spouses or adult children who are legitimate shareholders. That requires documentation, share subscriptions, and often TOSI (tax on split income) analysis. CRA cares whether each person truly owns the shares and bears risk.
The stumbling blocks are common but fixable. Too much cash or a passive investment portfolio inside the company, a rental property that is not tied to the operating business in a way CRA accepts, or debts and intercompany balances with a holding company that blur which assets are used principally in the active business. A purification plan can move passive assets to a holding company on a tax-deferred basis under section 85, then leave the operating company clean. You cannot always fix this a week before closing. I like to see a full QSBC test six to twelve months ahead, with a balance sheet that clearly supports it.
Also watch the alternative minimum tax. Legislative changes have made AMT more likely to apply in years when large capital gains are sheltered by the LCGE. AMT is not a permanent loss if it can be recovered, but it can pinch cash flow. Sellers should model the AMT effect before finalizing structure and timing.
Acquisition of control and loss traps for buyers of corporations
If you buy shares and there is an acquisition of control for tax purposes, the target corporation’s tax year ends the day before the acquisition. Certain losses are restricted. Non-capital losses are generally carried forward but can only shelter income from the same or a similar business going forward. Net capital losses carried forward cannot be used after an acquisition of control. Depreciation pools may be subject to restrictions, and some assets get their tax values reset through a “bump” or “grind” mechanism.
This is not an academic issue. I have reviewed London targets with hefty loss carryforwards that looked attractive at first glance. If the business model will shift, those losses may be stranded. Buyers should have their tax advisor walk through subsection 111 rules in plain language so they do not overpay for unusable tax attributes. If you plan to inject new assets into the target or reorganize, consider doing that through a new acquisition company rather than inside the loss company, to avoid contaminating loss streams.
Earnouts, vendor take-backs, and how they are taxed
Earnouts, contingent payments based on future performance, often bridge valuation gaps. If a seller receives some of the price over time, a capital gains reserve may allow them to defer tax on the unpaid portion for up to five years, assuming conditions are met and the deal is structured correctly. Earnouts tied to revenue or EBITDA need careful drafting so the seller does not inadvertently convert capital gains treatment into ordinary income or create double tax inside a corporation.
Vendor take-back notes are common in owner-operator sales. The seller earns interest on that note, which is fully taxable to them as interest income. Language in the purchase agreement should clearly separate the principal component, which relates to the capital gain, and the interest component. Buyers need to deduct the interest, which is generally permitted if the debt finances an income-earning business, but even a simple interest rate can be caught by thin capitalization or transfer pricing rules if non-residents are involved.
Non-compete and consulting agreements
Buyers typically want a non-compete and some form of transitional support. Payments for a non-compete or a covenant not to solicit are usually treated on the seller’s side as part of the sale of goodwill or as income depending on structure, and on the buyer’s side they are generally treated as eligible for amortization in Class 14.1. Splitting too much of the purchase price into a consulting contract may give the seller ordinary income at high marginal rates and payroll or HST obligations. Reasonable allocations keep both sides in balance and reduce audit risk.
Real estate inside or outside the company
It is common in London for the operating company to rent its premises from a holding company owned by the same shareholders. That is a clean setup. Trouble arises when the operating company owns the building directly. Keeping the real estate inside the opco can jeopardize QSBC status if the building is larger than the business needs, or if a significant portion of its value is passive. Alternatively, buyers may not want the real estate at all. If there is time, consider a tax-deferred rollover of the building to a holdco before sale, or split the deal so the buyer acquires shares of the opco and signs a new lease with the seller’s holdco. Where real property is transferred, budget for Ontario land transfer tax, title insurance, and possible HST self-assessment depending on the building’s use.
Payroll, HST, and income tax housekeeping before you go to market
Sellers should expect buyers to scrutinize HST filings, payroll remittances, and corporate income tax returns for three to four years back. CRA arrears, late filings, or aggressive positions on contractor classification can stall a closing or justify a price chip. I like to see a seller order a CRA statement of account and clean up any lingering balances well before the confidential information memorandum goes out. If you have used a lot of independent contractors, do a risk assessment on whether they could be reclassified as employees and what that would mean for source deductions, vacation pay, and WSIB assessments. Buyers will ask.
Buyers, for your part, assume every skeleton will be found after closing if you skip proper diligence. Look at HST registration status, confirm section 167 eligibility if you want to rely on it, and test the flow of HST on major contracts. If a target has a lot of exempt sales, like certain healthcare services, the input tax credits may be reduced, which affects margins in a subtle way.
Working capital mechanics and hidden tax consequences
Most small business transactions in London include a normalized working capital target. If closing working capital is below target, the purchase price adjusts down. The tax angle shows up when receivables and payables are included or excluded, and when you assume customer prepayments or gift card liabilities. In an asset sale, where receivables are transferred, a section 22 election can align buyer and seller tax treatment on bad debts. For prepaid deposits, decide whether HST was remitted at the time of customer payment and who is on the hook for redemptions after closing. Get it in writing. I have seen simple café deals bog down on gift cards, with thousands of dollars sitting in unredeemed balances and no clean policy for expiry.
Non-resident sellers and clearance certificates
If a non-resident sells taxable Canadian property, including certain shares of private corporations where a significant portion of the value is derived from Canadian real estate, the buyer may have a withholding obligation and should ask for a section 116 clearance certificate. In the absence of that certificate, buyers can be on the hook for a percentage of the purchase price. Even where section 116 does not apply, I advise buyers to get reps and a holdback if there is any chance the seller is a non-resident for tax purposes.
Employee retention payments and bonuses
Keeping key staff through a transition often means bonuses or retention agreements. If the seller pays pre-closing bonuses, that is generally deductible to the seller and taxable to the employees, but it still needs cash and source deductions. If the buyer takes this on, it becomes part of the buyer’s deal model, and the tax deductibility aligns with the period the services are rendered. HST generally does not apply to employee wages, but it may to certain contractor payments. Put timelines to payment obligations so nobody gets caught with a surprise payroll remittance the month after closing.
A word on corporate integration, dividends, and extracting cash before a sale
Owners sometimes try to empty the corporate bank account before a share sale. That can be sensible, but needs a plan. Paying a non-eligible dividend from small business income, a capital dividend sourced from the capital dividend account, or a tax-efficient intercompany dividend to a holdco each has different consequences. There are also refundable tax accounts, like the refundable dividend tax on hand, and GRIP balances that allow eligible dividends at lower personal rates. The right sequence can reduce leakage, but the wrong one can create unexpected personal tax or reduce QSBC eligibility by moving the wrong asset at the wrong time.
Financing structure and interest deductibility for buyers
If you buy shares using a new acquisition corporation that borrows the purchase funds, document the direct link between the borrowing and the income-earning purpose to support interest deductibility. Post-closing, many buyers amalgamate the acquisition corporation with the target to combine cash flows and deductions. If a non-resident parent or lender is part of the structure, review thin capitalization limits and any withholding tax on interest payments under the applicable treaty. Even domestic loans deserve a once-over if security is taken over personal homes or if there are shareholder loans moving around after closing.
Timing matters more than people think
Tax planning breathes when it gets time. A seller who calls a year ahead can purify a balance sheet, fix minute book issues, and test QSBC status over a meaningful period. A buyer who starts diligence early can negotiate a share deal where it makes sense, with a modest price reduction that still leaves the seller ahead thanks to the LCGE. If you are scanning businesses for sale in London, Ontario, and you find a great operator who is not quite ready, agreeing to a longer runway can pay for itself through better tax outcomes on both sides.
Local brokers and advisors make this easier. Firms like Liquid Sunset Business Brokers see the patterns in London’s market. Conversations about an off market business for sale, a small business for sale London Ontario owners are quietly floating, or a company preparing to list, are where you can shape the structure instead of inheriting it. Whether you are buying a business in London or preparing to sell a business London Ontario owners have built over decades, bring your tax advisor into those early calls.
A practical buyer’s checklist for tax
- Decide early if you will push for an asset deal or accept a share deal, and model the tax for both. Review HST history, payroll compliance, and income tax filings for three to four years, and quantify any exposure for escrow. If buying shares, assess acquisition of control consequences, loss usability, and forced year-end effects. Confirm eligibility for the section 167 going concern election on asset deals and prepare the election language. Map a purchase price allocation that matches your deductions strategy and avoids red flags.
A practical seller’s checklist for tax
- Test QSBC status six to twelve months ahead, and purify the balance sheet if needed to preserve the LCGE. Decide whether to push for a share sale and prepare support for clean tax compliance to justify it. If an asset sale is likely, plan allocations to minimize CCA recapture and ordinary income, and get ready for HST mechanics. Model AMT, consider vendor take-backs and earnouts with a capital gains reserve, and avoid over-allocating to consulting fees. If real estate is inside the opco, explore a rollover to a holdco or a leaseback to keep QSBC on track and simplify the deal.
Valuation, price, and tax are a single equation
London’s owner-operator market is pragmatic. Sellers want a fair number and clean terms. Buyers want cash flow and certainty. The tax structure is not an afterthought, it is part of price. I often frame it this way. If a share sale saves the seller two hundred thousand dollars in tax versus an asset deal, can the buyer accept shares with a one hundred thousand dollar price reduction plus a robust escrow and tight reps? Many times that answer is yes. Likewise, if an asset sale gives the buyer an extra sixty thousand dollars in deductions over the first three years, can they share a piece of that value in the headline price to make the seller whole on recapture? These are solvable equations when they are surfaced early.
Bringing it back to London, Ontario
Deal dynamics are local. London’s lenders have their own comfort zones on security and covenants. Landlords here usually expect a fresh lease and a personal guarantee, which can influence whether you want the real estate inside the deal. WSIB classifications in construction and light manufacturing are routinely checked in diligence. And while many national rules apply equally everywhere in Ontario, the way buyers and sellers approach timing and confidentiality has a distinctly local rhythm. If you work with Liquid Sunset Business Brokers, you will hear a lot about staging and readiness, because many of the best businesses for sale in London Ontario never hit the big public marketplaces. They move quietly, with both sides focused on after-tax outcomes rather than just sticker price.
If you are scanning listings for a business for sale in London, Ontario, or meeting business brokers London Ontario operators recommend, ask tax questions early. Are we headed for a share deal or an asset deal, what does HST look like, are the shares LCGE-eligible, what does the purchase price allocation look like, and how will working capital be measured? If you are on the sell side and planning to retire, tidy your tax house, separate your operating assets from your investment franchise for sale london ontario assets, and line up a clean track record with CRA. For some owners, working with a team that regularly handles small business for sale London or companies for sale London can bring off-market buyers who are flexible on structure. That flexibility often becomes real money after tax.
The bottom line is simple. Taxes change the shape of a deal, not just the footnote. Buyers who model the tax impact of structure and allocation negotiate sharper. Sellers who plan for QSBC status and keep their filings tight command better terms. In London, where relationships matter and reputations travel fast, the right structure can also make for a smoother handoff with staff, customers, and suppliers.
If you want to explore options, start quietly. Gather three years of financials, check your corporate minute book, pull a recent HST and payroll statement from CRA, and sit with your accountant to sketch both an asset and a share version of the sale or purchase. If you are serious about buying a business in London Ontario and want to see opportunities that might never appear on big listing sites, ask a local intermediary like Liquid Sunset Business Brokers to walk you through a few anonymized case studies. You will see the same pattern time after time. The deals that feel effortless on closing day are the ones where tax was handled first, not last.
Liquid Sunset Business Brokers
478 Central Ave Unit 1,
London, ON N6B 2G1, Canada
+12262890444