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Professional Liability Insurance in Canada: Complete E&O Coverage Guide

Sandhya (Sonia) Bhardwaj
Licensed Insurance Broker
August 14, 2025
11 min read

Introduction

In today's litigious business environment, providing professional services in Canada exposes you to significant liability risks that extend far beyond traditional property damage or bodily injury. When clients claim that your advice, services, or expertise caused them financial losses, Professional Liability Insurance (also called Errors and Omissions or E&O insurance) provides essential protection that could save your career and personal assets.

At Vieira & Associates Insurance Brokers Ltd., we've been protecting Ontario professionals and service businesses since 1974. With access to over 30 insurance providers and nearly five decades of experience in professional liability coverage, we understand the unique risks facing various professions and how to structure insurance programs that provide comprehensive protection at competitive rates.

Understanding Professional Liability Insurance

What Professional Liability Insurance Covers

Professional Liability Insurance protects against claims arising from the professional services you provide, covering situations that Commercial General Liability (CGL) insurance explicitly excludes.

Core Coverage Elements:

Professional Negligence: Claims that you failed to meet the standard of care expected in your profession, such as accountants missing tax deductions or IT consultants recommending inadequate systems.

Errors and Omissions: Mistakes or oversights in your professional work, including forgetting to file important documents by deadlines or miscalculations in financial analysis.

Defense Costs: Even if claims are groundless, defending against lawsuits is expensive. Professional liability insurance covers legal defense costs, which can exceed the eventual settlement or judgment.

Professional Liability vs. General Liability

Key Differences

Professional Liability Insurance: - Covers economic losses from professional advice/services - Protects against negligence, errors, and omissions - Typically written on "claims-made" basis - Required for professional service providers

Commercial General Liability: - Covers bodily injury and property damage to third parties - Protects against premises liability and completed operations - Does NOT cover professional errors or advice

Why You Need Both: Comprehensive business protection requires both coverages. Professional Liability doesn't replace CGL; it supplements it by covering risks CGL excludes.

Who Needs Professional Liability Insurance

Mandatory by Law or Regulation: Healthcare professionals, legal professionals, financial professionals, engineers and architects typically need coverage to maintain licensure.

Strongly Recommended: Technology professionals, business consultants, accountants, real estate professionals, and creative professionals face significant liability exposure warranting coverage.

Claims-Made vs. Occurrence Policies

Professional liability insurance typically uses "claims-made" triggers. The claim must be made and reported during the policy period, and coverage applies to incidents that occurred after the retroactive date and before policy expiration. This requires careful management when switching insurers or retiring, often necessitating "tail" coverage to extend reporting periods.

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