How to Buy a Business in Ontario: A Step-by-Step Legal Guide

The Business Acquisition Process: Your Complete Legal Roadmap

Buying a business is one of the biggest decisions you’ll make as a business owner or investor. It’s also one of the most legally complex. Get it wrong and you inherit liabilities you didn’t anticipate, overpay for assets that underperform, or discover too late that the seller hid critical information.

In Ontario, the legal framework for business acquisitions is defined by business law, contract law, securities law (if applicable), and tax law. This guide walks you through the entire process – from identifying a target to closing the deal – with a focus on the legal checkpoints that matter.

Phase 1: Pre-Deal Due Diligence and Negotiation

Step 1: Search for Targets and Initial Screening

You’ve likely got leads on businesses to acquire through brokers, networks, or direct outreach. At this stage, you’re not legally obligated to anything, but you should:

• Confidentiality: If the seller provides information, you’re usually signing an NDA (non-disclosure agreement) restricting how you use it. Read carefully – some NDAs are mutual, some one-way.
• Non-shop commitment: Sellers often ask you to commit to not shopping a deal to competitors while you’re discussing terms. Standard in larger deals, not as common in small business acquisitions.

Step 2: Letter of Intent (LOI)

Once you’ve narrowed to a serious target, you’ll usually sign a Letter of Intent. This is where the legal work starts in earnest.

An LOI typically includes:

• Purchase price and structure: Are you buying assets or shares? What’s the offer price and terms?
• Conditions to closing: Due diligence completion, financing contingency, third-party consents, regulatory approvals
• Due diligence scope: What financial, legal, and operational records can you inspect?
• Exclusivity: The seller agrees not to shop to other buyers during the LOI period (usually 30-60 days)
• Representations and warranties: The seller makes basic commitments that information provided is accurate
• Expenses: Who pays for transaction costs if the deal doesn’t close?
• Confidentiality: Reinforces that information shared during due diligence stays confidential

Critical point: Some LOIs are non-binding (just a framework for negotiation) and some are semi-binding (price and structure are locked, but due diligence can kill the deal). Clarify this upfront. In Ontario, an LOI is generally not binding unless it explicitly says so, but courts can enforce it if essential terms are agreed.

Step 3: Structure Decision – Asset Purchase vs. Share Purchase

This is one of the most important decisions in any acquisition, and it has major legal and tax implications.

Asset Purchase: You buy the business’s assets (equipment, inventory, IP, customer contracts, goodwill) but not the legal entity itself.

Pros for buyer:

• You don’t inherit unknown liabilities
• You select which contracts to assume and which to walk away from
• Tax basis steps up to purchase price (helps for depreciation)
• Cleaner break with the seller’s past

Cons for buyer:

• You need third-party consents to assume contracts (customers might not approve)
• You lose the seller’s contracts and customer relationships by default
• More expensive and slower to close (you’re moving every asset individually)
• You might owe sales tax on the transfer (in Ontario, usually 13% HST)

Share Purchase: You buy all the shares of the seller’s corporation, meaning you own the entity and everything in it.

Pros for buyer:

• All contracts automatically transfer (no third-party consents needed in most cases)
• Faster and simpler to close
• Customer relationships and goodwill stay intact
• No HST on the sale of shares (in Ontario)

Cons for buyer:

• You inherit all liabilities – known and unknown
• You need to investigate everything (liabilities can be buried)
• Indemnification for breaches is essential and often hard to enforce
• Historical issues (lawsuits, regulatory violations) stay with the company

In most Ontario acquisitions under $10M, buyers prefer assets. Above that, shares are more common (because contracts and customer relationships have real value). Your tax adviser should weigh in – share purchases can have different tax consequences for buyer vs. seller.

Phase 2: Comprehensive Due Diligence

Step 4: Financial Due Diligence

You need to verify:

• Revenue accuracy: Is the business actually generating the revenue claimed? Check tax returns, contracts with major customers, bank deposits
• Profit margins: What are actual costs? Are there hidden expenses the seller hasn’t disclosed?
• Customer concentration: How many customers make up 50% of revenue? (High concentration = risk)
• Customer retention: What’s the churn rate? Will customers stay under new ownership?
• Accounts receivable: How much revenue is owed but not collected? What’s collectible?
• Debt and liabilities: What loans, leases, and other obligations exist? Do they require consent to transfer?
• Contingent liabilities: Pending lawsuits, regulatory investigations, warranties to customers

You’ll typically hire a forensic accountant or auditor for this work. In Ontario, there’s no required standard due diligence form, but common practice is 30-60 days of document review and Q&A with the seller.

Step 5: Legal Due Diligence

Your legal team (or your fractional GC) will review:

• Corporate structure: Is the company properly incorporated? Any liens, judgments, or claims against it?
• Ownership: Who owns the company? Any disputed shares or options outstanding?
• Material contracts: Customer agreements, vendor contracts, partnerships, leases. Are they assignable? Do they require consent?
• Intellectual property: Does the company own the IP? Are there any third-party claims?
• Employment agreements: Employment contracts, equity plans, change of control provisions. Will key employees stay?
• Regulatory compliance: Licenses, permits, environmental compliance, industry-specific regulations
• Litigation: Pending lawsuits or disputes? Regulatory investigations?
• Tax compliance: Are all taxes paid? Any outstanding assessments or disputes with CRA?
• Real property: Does the business own or lease property? Check title, lease terms, environmental issues

Step 6: Customer and Operational Due Diligence

You should also:

• Visit operations: See the business in action. Meet key staff. Assess quality of operations
• Customer calls: Talk to major customers about satisfaction, contract terms, likelihood of staying
• Supplier relationships: Understand critical vendor relationships and whether they’ll continue under new ownership
• Employee conversations: Understand morale, key person risk, retention concerns

Phase 3: Deal Structure and Purchase Agreement

Step 7: Negotiate Terms and Structure

Based on due diligence findings, you’ll negotiate:

• Purchase price: Initial offer (usually lower than asking), adjustments for working capital, inventory, receivables
• Working capital adjustment: If inventory or receivables are higher/lower at close, price adjusts up/down
• Earn-out provisions: Part of price paid over time if business hits targets (protects buyer if projections don’t materialize)
• Seller financing: Seller takes back a note for part of the purchase price (helps buyer, shows seller confidence)
• Representations and warranties: What is the seller explicitly promising is true? What’s the period they stand behind these promises?
• Indemnification: If something the seller promised turns out to be false, they reimburse you
• Non-compete: The seller agrees not to compete in the same business for X years and Y kilometers
• Key person retention: Seller or key employees stay for transition period

Step 8: Draft and Negotiate Purchase Agreement

This is the main legal document. It will be 30-80 pages depending on complexity. Key sections:

• Schedule of assets (asset purchase) or share certificates (share purchase)
• Assumed and excluded liabilities (for asset purchases)
• Conditions to closing (financing, due diligence, third-party consents)
• Representations and warranties from seller (accuracy of information, compliance, no hidden issues)
• Buyer’s representations (your capability to close, authority to sign)
• Indemnification basket and cap (how much you can claim back if promises are broken)
• Closing mechanics (when and where closing happens, what documents are exchanged)
• Post-closing obligations (transition support, training, customer introductions)

Phase 4: Regulatory Consents and Conditions Precedent

Step 9: Identify and Secure Third-Party Consents

Some contracts and licenses can’t be transferred without consent. Common examples:

• Customer contracts: Many require consent to assign
• Vendor agreements: Suppliers might have change-of-control provisions
• Lease agreements: Landlord usually needs to approve transfer
• Intellectual property licenses: Licensed technology might not be transferable
• Government licenses: Permits, certifications, professional licenses might need to be applied for fresh

In Ontario, if a contract doesn’t explicitly prohibit assignment, you can usually assign it unless it’s personal services or the assignment would substantially burden the other party. But many commercial agreements require consent. You need to secure these before or at closing.

Step 10: Financing and Contingency

If you’re financing the acquisition:

• Arrange financing: Bank loan, investor capital, seller financing, or combination
• Satisfy lender conditions: Lenders typically require additional due diligence and representations
• Deal with financing contingency: Purchase agreement usually says deal is conditional on you securing financing

Phase 5: Closing

Step 11: Final Walkthrough and Closing Conditions

Just before closing:

• Final verification: Confirm that conditions to closing are satisfied (due diligence complete, consents secured, financing in place)
• Representations reaffirmation: Seller reaffirms that their representations and warranties are still accurate
• No material adverse change: Verify that nothing has materially changed since signing the purchase agreement

Step 12: Execute Closing Documents and Transfer Assets/Shares

At closing, you’ll execute:

• Purchase agreement (final version with any last-minute amendments)
• Bill of sale (for assets being transferred)
• Share transfer documents (if share purchase)
• Assumed contract assignments
• Non-compete and non-solicitation agreements
• Transition services agreement (if seller will provide post-closing support)
• Officer certificates (representations from seller that everything is true and accurate)
• IRS Form 8594 or equivalent (allocation of purchase price to assets for tax purposes)

Money changes hands. Seller transfers assets or shares. You take control of the business.

Step 13: Post-Closing Transition

After money is exchanged:

• Notify customers and suppliers: Let them know you now own the business
• Transfer contracts and licenses: Execute assigned contracts, apply for new licenses if needed
• Integrate operations: Combine systems, processes, and teams
• Verify indemnification claims: If something was promised but isn’t true, you typically have 12-24 months to claim indemnification

Key Legal Issues Specific to Ontario Acquisitions

Employment Standards
When you acquire a business, you generally don’t become liable for the seller’s historical employment issues, but you do need to:

• Honor existing employment contracts or provide reasonable notice/severance
• Respect employment standards under the Ontario Employment Standards Act
• Take over responsibility for unpaid wages and benefits

HST on the Purchase
Asset purchases are subject to HST in Ontario (typically 13%). Share purchases are not (no HST on share transfers). This is a significant cost difference – factor it into your structure decision.

Environmental Liability
If the business owns property or handles hazardous materials, environmental liability can follow. Due diligence should include Phase 1 environmental assessment.

Successor Employer Obligations
In Ontario, when you acquire a business and retain employees, you inherit some of the seller’s obligations – unpaid wages, benefits, severance obligations. The purchase agreement should allocate these costs to the seller.

Timeline: How Long Does an Acquisition Take?

• LOI to due diligence close: 30-60 days (depends on how organized the seller is)
• Due diligence to purchase agreement signature: 30-45 days (negotiation time)
• Purchase agreement to closing: 15-30 days (time to get consents, satisfy conditions)
• Total from LOI to close: 75-135 days (roughly 3-4 months)

Larger or more complex deals take longer. Smaller acquisitions can move faster if both sides are motivated.

Common Mistakes to Avoid

Mistake 1: Skipping due diligence to move fast. Slow down. Due diligence protects you. I’ve seen buyers regret rushing; I’ve rarely seen them regret thorough diligence.

Mistake 2: Not addressing customer retention risk. The business is worth nothing if customers leave. Understand retention risk and negotiate accordingly.

Mistake 3: Inadequate indemnification periods and baskets. Sellers want short indemnification tails; buyers need longer ones. 18-24 months is reasonable.

Mistake 4: Non-competes that are too weak. A non-compete that doesn’t specify geographic area or time period is often unenforceable in Ontario. Make them specific and reasonable.

Mistake 5: Assuming all contracts will transfer without issue. Verify which contracts require consent. Losing a key customer contract kills deals.

FAQ: Buying a Business in Ontario

Q: How much does it cost to buy a business?
A: The purchase price is based on valuation (multiple of earnings, discounted cash flow, or comparable sales). Legal and advisory costs typically run 2-5% of deal value for acquisitions under $5M.

Q: Do I need a lawyer?
A: Yes. Acquisitions are complex and have major tax and legal implications. A good acquisition lawyer pays for themselves many times over.

Q: What if the seller won’t provide detailed financial records?
A: That’s a red flag. You can’t do due diligence without access to records. In Ontario, if a seller is hiding information, you might not be able to sue after closing (caveat emptor – buyer beware). Demand transparency.

Q: Can the deal fail after we sign the purchase agreement?
A: Yes, if conditions to closing aren’t satisfied (financing doesn’t come through, consents aren’t granted, due diligence reveals deal-breakers). The purchase agreement will specify which conditions must be met.

Q: How long is a non-compete enforceable in Ontario?
A: Ontario courts look at reasonableness. 2-3 years and a defined geographic area is typically enforceable. 10 years and worldwide scope will likely be deemed unreasonable.

The Bottom Line: Get the Right Team

Buying a business is a major strategic and legal decision. You need:

• A lawyer experienced in acquisitions (not just general corporate law)
• An accountant to verify financials and handle tax planning
• An industry expert to assess operational viability

Cutting corners on legal review to save money almost always costs more in the long run. The right team structures the deal, protects you, and accelerates closing.

Ready to explore an acquisition opportunity? Learn about our M&A advisory services, or reach out to discuss your specific situation. I can guide you through the entire process from initial due diligence to closing.