What Is The Duty Of Loyalty?

Published on March 19, 2026

If you’re a director, officer, employee, or partner in a business, you owe what’s called a “duty of loyalty” to your company or organization. It’s one of the fundamental obligations in business relationships and breaching it can lead to serious legal consequences.

But what does the duty of loyalty actually mean in practice? And when does acting in your own interest cross the line into a legal violation?

The Core Principle: Your Employer's Interests Come First

The duty of loyalty is simple in concept: when you’re in a position of trust or authority within an organization, you must act in the organization’s best interests, not your own personal interests.

This means you can’t use your position, knowledge, or access to enrich yourself at the company’s expense. You can’t secretly compete with your employer. You can’t take business opportunities that belong to the company for yourself. And you can’t put your personal financial interests ahead of your employer’s.

Who Owes A Duty Of Loyalty?

Corporate directors and officers owe the highest standard of loyalty to the corporation. This is a fiduciary duty: a legal obligation that courts take very seriously.

Directors can’t use corporate information for personal gain, take business opportunities that belong to the corporation, or engage in self-dealing without disclosure.

All employees owe a duty of loyalty to their employer, though the extent varies by seniority and position.

Senior employees, such as executives, managers, those with significant responsibility, owe a higher duty than junior staff. But even entry-level employees can’t actively compete with their employer while still employed.

Business partners owe each other duties of loyalty and good faith. You can’t secretly divert partnership opportunities to yourself, compete with the partnership, or use partnership assets for personal benefit.

What The Duty Of Loyalty Prohibits

You can’t work for a competitor while you’re still employed, or run your own competing business on the side, without your employer’s knowledge and consent.

This doesn’t mean you can never work for a competitor. It means you can’t do it while still employed by the current company.

If you learn about a business opportunity through your position — a contract, investment, partnership, acquisition — that opportunity belongs to the company, not to you personally.

You can’t take it for yourself without first offering it to the company and getting clear approval.

This is called the “corporate opportunity doctrine.”

What Happens When You Breach The Duty

Breaching the duty of loyalty can result in termination for cause: immediate dismissal without notice or severance. The company can sue you for damages, and if you profited from your breach, the court can order you to hand over those profits through a remedy called disgorgement.

Courts can issue injunctions prohibiting you from continuing to compete, solicit customers, or use confidential information.

In cases involving particularly egregious breaches, such as fraud, deliberate misconduct, or theft of corporate opportunities, courts may award punitive damages.

Common scenarios include the departing employee who starts a competing business while still employed, downloads client lists before resigning, or recruits colleagues to join them. The conflicted director who sits on the boards of competing companies and shares information. The self-dealing partner who secretly diverts contracts to a side business. The executive who takes a corporate opportunity for personal gain.

Contact Pinto Shekib LLP, Your Toronto Business Litigation Lawyers

We represent both companies seeking to enforce duties of loyalty and individuals accused of breaching them. Whether you’re a business dealing with a disloyal employee or director, or an individual facing allegations of breach of loyalty, we can help you understand your rights and options.