Small businesses face daily operational risks. One insurance oversight can create financial strain that takes years to recover from. In Ontario, coverage gaps, outdated limits, and misunderstood policy terms are common. Understanding where businesses go wrong helps prevent costly claims and denied coverage.

Marathon Insurance provides commercial insurance solutions across Ontario, helping business owners assess risk properly and secure coverage that reflects real exposure.

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Underinsuring Commercial Property

Many business owners insure property based on purchase price rather than replacement cost. These figures are different.

Replacement cost reflects current material, labour, and construction rates. If your building or contents are underinsured, a claim payout may be reduced through a co-insurance penalty.

Commonly underinsured assets include:

• Equipment and machinery
• Inventory
• Tenant improvements
• Furniture and fixtures
• Signage

Inflation and supply chain delays have increased rebuilding costs across Ontario. Annual policy reviews help keep limits aligned with market conditions.

Ignoring Business Interruption Coverage

Property insurance covers physical damage. It does not automatically cover income loss.

Business interruption insurance replaces lost revenue if operations stop due to an insured event. It may also cover:

• Ongoing payroll
• Rent or lease payments
• Loan obligations
• Temporary relocation costs

Without this protection, even a short closure can create cash flow pressure. Many small businesses underestimate how long recovery takes after fire or water damage.

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Choosing Price Over Coverage

Low premiums often signal limited coverage. Reducing cost by increasing deductibles or removing endorsements can leave exposure unprotected.

Examples of coverage often removed to reduce cost:

• Sewer backup coverage
• Equipment breakdown
• Cyber liability
• Crime insurance

Short-term savings can create long-term loss. Insurance should align with operational risk, not just budget targets.

Overlooking Cyber Liability Insurance

Cyber risk affects businesses of every size. Small businesses are frequent targets because they often lack internal security systems.

Cyber liability coverage can address:

• Data breach response costs
• Legal expenses
• Regulatory fines
• Client notification requirements
• Business interruption caused by ransomware

Ontario privacy regulations require businesses to respond appropriately to data breaches. Without cyber coverage, response costs can escalate quickly.

Failing to Update Policies as the Business Grows

Growth changes risk exposure. Expanding staff, purchasing equipment, adding vehicles, or moving locations requires policy updates.

Common situations requiring review:

• Hiring additional employees
• Offering new services
• Increasing inventory
• Entering into contracts requiring higher liability limits
• Leasing additional space

Failure to notify your broker can result in denied claims due to a material change in risk.

Misclassifying Employees and Contractors

Improper classification creates liability and compliance issues. If contractors are treated as independent but function as employees, coverage gaps may appear under commercial general liability insurance.

Workers’ compensation requirements also vary by industry. Businesses must confirm compliance with the Workplace Safety and Insurance Board, where applicable.

Accurate classification ensures claims are handled correctly.

Skipping Professional Liability Insurance

Service-based businesses often rely solely on commercial general liability coverage. This policy covers bodily injury and property damage. It does not cover professional errors.

Professional liability insurance, also known as errors and omissions insurance, protects against claims of:

• Negligence
• Incorrect advice
• Failure to deliver services
• Financial loss caused by mistakes

Consultants, accountants, IT providers, and marketing agencies face this exposure regularly.

Not Reviewing Lease Agreements

Many landlords require tenants to carry specific liability limits and name them as additional insured.

Failing to align insurance with lease requirements can:

• Breach contract terms
• Delay business operations
• Result in uninsured liability

Lease agreements should be reviewed before binding coverage.

Assuming Personal Insurance Covers Business Activity

Using personal vehicles or home spaces for business without proper endorsement creates exposure.

Examples include:

• Delivering goods using a personal vehicle
• Storing business inventory at home
• Operating a home-based service business

Personal auto and home policies typically exclude commercial activity unless properly endorsed.

Forgetting About Directors and Officers Liability

If your business has a board of directors or external investors, directors and officers liability insurance becomes essential.

This coverage protects leadership from claims related to:

• Mismanagement
• Breach of fiduciary duty
• Employment practices disputes
• Regulatory investigations

Without it, the personal assets of directors may be at risk.

Inadequate Liability Limits

Minimum liability limits often reflect entry-level coverage rather than realistic claim exposure. Many small businesses purchase $1 million in commercial general liability because it is common. That figure may not match actual legal and settlement costs in Ontario.

A single serious bodily injury claim can include:

• Medical expenses
  
  
• Rehabilitation costs
  
  
• Loss of income claims
  
  
• Pain and suffering awards
  
  
• Legal defence fees
  
  

Legal costs alone can escalate quickly, even if your business is not found liable. Product liability claims can be even more complex. If a defective product causes injury or property damage, multiple parties may pursue compensation at the same time.

Industries that often require higher limits include:

• Contractors and trades
  
  
• Manufacturers and distributors
  
  
• Retail businesses with high foot traffic
  
  
• Food service operations
  
  
• Professional service providers
  
  

Contractual requirements also influence limits. Many commercial leases, supplier agreements, and government contracts require $2 million or more in liability coverage.

An umbrella or excess liability policy extends coverage above the primary policy limits. This additional layer activates when the base policy is exhausted. For growing businesses, umbrella coverage can provide cost-effective risk protection compared to increasing multiple individual policy limits.

Liability limits should reflect exposure, revenue size, industry risk profile, and contractual obligations, not just the lowest available premium.

Relying On Set-and-Forget Coverage

Insurance should evolve with your business. A policy purchased three years ago may no longer reflect your current operations.

Operational changes that increase exposure include:

• Higher annual revenue
  
  
• Expanded service offerings
  
  
• New equipment purchases
  
  
• Additional employees
  
  
• New physical locations
  
  
• Entry into new markets
  
  

Each change alters risk assumptions used during underwriting. If insurers are not informed, discrepancies between declared and actual operations may affect claims handling.

An annual commercial insurance review should evaluate:

• Revenue changes – Revenue growth may require higher liability limits.
  
  
• Asset value increases – Asset appreciation may require increased property limits.
  
  
• New contractual obligations – New contracts may require endorsements or additional insured clauses.
  
  
• Claims history – Claims history may signal emerging operational risks that need mitigation.
  
  
• Industry-specific risks – Regulatory requirements also shift. Privacy legislation, health and safety standards, and industry-specific compliance rules can introduce new exposures.

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Protect Your Business With the Right Strategy

Insurance mistakes rarely surface until a claim occurs. By then, correction is no longer possible.

Working with an experienced Ontario brokerage ensures policies reflect your current operations and growth plans. Marathon Insurance offers tailored commercial insurance solutions, backed by over 30 years of experience and strong insurer partnerships.

A structured review today can prevent financial disruption tomorrow. Contact us today if you wish to discuss with our team.

Frequently Asked Questions

What is the most common insurance claim for small businesses in Ontario?

Property damage and liability claims are among the most frequent. Water damage, slip and fall incidents, and fire-related losses lead to many claims.

How often should a small business review its insurance policy?

At a minimum, once per year. Additional reviews should occur after expansion, hiring, relocation, or adding new services.

Is commercial general liability enough for most small businesses?

No. It covers third-party injury and property damage but does not address professional errors, cyber incidents, or business interruption losses.

Does incorporating a business reduce insurance needs?

No. Incorporation limits certain legal liabilities but does not replace the need for commercial insurance protection.

Can a claim be denied if business revenue increases significantly?

Yes. If revenue grows substantially and the insurer is not informed, the policy may be considered misrepresented, which can affect claim payouts.