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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Ottawa Legal Guides » Real Estate, Housing & Civil Disputes Ottawa » Local Civil Litigation & Small Claims Ottawa » What to do if a business partner breaches their fiduciary duty in Ottawa

What to do if a business partner breaches their fiduciary duty in Ottawa

27 Mar 2026 4 min read No comments Local Civil Litigation & Small Claims Ottawa
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If an Ottawa business partner breaches their fiduciary duty by stealing clients or hiding profits, you can sue them in the Superior Court of Justice. You must immediately secure corporate bank records and retain a civil litigation lawyer to seek an injunction or oppression remedy.

Starting a business with a partner in Ottawa is built on a foundation of mutual trust and shared goals. Whether you run a tech startup in Kanata, a restaurant in the ByWard Market, or a contracting firm in Nepean, your partner owes the business a strict legal obligation. In Canadian law, this is called a “fiduciary duty.” It means they must put the company’s best interests ahead of their own personal gain.

When that trust is shattered—perhaps they are funneling money into a secret account, stealing your client list to start a competing company, or signing bad contracts to benefit a family member—the damage to your livelihood can be fatal. 📋 Knowing what to do if a business partner breaches their fiduciary duty in Ottawa is vital to saving your company and recovering your stolen funds. Prompt intervention by an experienced corporate litigation law firm is your best weapon.

Step-by-Step Process in Ottawa

Corporate litigation is highly aggressive and fast-paced. If your partner is actively draining the company accounts, you cannot afford to wait. The Ontario courts have specific tools designed to freeze assets and stop rogue partners in their tracks.

Step 1: Secure the Evidence Quietly

Before confronting your partner, silently gather as much documentation as possible. 🔍 Download bank statements, profit and loss reports, corporate emails, and client lists. If you tip them off too early, they might destroy evidence or delete digital records. This evidence is crucial to proving a breach under the Partnership Act or the Business Corporations Act.

Step 2: Retain a Corporate Litigation Lawyer

This is not a matter for Small Claims Court. You must hire a civil litigation lawyer in Ottawa who specializes in corporate disputes. They will review your Shareholder Agreement or Partnership Agreement to identify exactly which clauses your rogue partner violated and what legal remedies are available to you.

Step 3: File for an Emergency Injunction

If your partner is currently stealing money or clients, your lawyer can file an emergency motion at the Ottawa Courthouse on Elgin Street. 🚨 An interlocutory injunction is a temporary court order that legally forces your partner to stop their destructive actions (like freezing their access to the bank accounts) until a full trial can happen.

Step 4: Pursue an Oppression Remedy or Lawsuit

Your lawyer will formally file a Statement of Claim. If your business is a corporation, they will often use the “Oppression Remedy.” This powerful tool allows an Ontario judge to impose wide-ranging solutions, such as forcing the bad partner to sell you their shares, removing them as a director, or ordering them to personally repay the money they stole.

How Much Does it Cost in Ottawa?

Litigating against a former business partner is one of the most expensive forms of civil litigation in Canada. However, doing nothing means losing your entire business investment.

  • Initial Retainers: Retaining a top-tier commercial litigation firm in Ottawa usually requires an upfront deposit of $10,000 to $25,000+ CAD.
  • Emergency Injunctions: Preparing the complex affidavits and arguing for an emergency injunction can cost $15,000 to $30,000 CAD just for that single step.
  • Forensic Accountants: To prove exactly how much money was hidden or stolen, you may need to hire a forensic accountant, which typically costs $5,000 to $15,000 CAD.
  • Full Trial Costs: If the dispute cannot be settled through mediation and goes to a full Superior Court trial, total legal fees can easily exceed $75,000 to $100,000+ CAD.

How Long Does the Process Take?

While an emergency injunction can stop the bleeding immediately, untangling a messy business partnership permanently takes years. 📅

Phase of the DisputeEstimated Timeline
Emergency InjunctionCan be heard by a judge within days or weeks
Filing the Statement of ClaimUsually drafted within 2 to 4 weeks
Examinations for DiscoveryTakes 1 to 2 years to exchange all corporate evidence
Final Trial or ResolutionTypically takes 3 to 5 years in the Ottawa courts

Frequently Asked Questions (FAQ)

What exactly is a fiduciary duty?

A fiduciary duty is the highest standard of care in Canadian law. It means a business partner or corporate director must act with absolute loyalty, good faith, and honesty toward the company, never prioritizing their personal interests over the business.

Can I just lock them out of the Ottawa office?

No. If they are a legal partner, director, or 50% shareholder, you generally cannot unilaterally lock them out or seize their shares without a court order or a specific clause in your Shareholder Agreement. Doing so could result in them suing you for oppression.

What if we don’t have a written partnership agreement?

If you do not have a written contract, your business is governed by the default rules of the Ontario Partnership Act. Under this law, partners still owe each other a strict fiduciary duty, and you can still sue them for stealing or competing.

Can I force my partner to buy me out?

Yes, through the courts. If the relationship is completely broken down due to their bad actions, an Ontario judge can use the Oppression Remedy to force your partner to buy your shares at a fair market value, or vice versa.

Should I call the Ottawa Police for embezzlement?

If the partner has clearly stolen or forged cheques, it is a criminal offence (fraud or theft over $5,000). You can report it to the Ottawa Police Service. However, police often view these as “civil matters,” so a civil lawsuit is usually the best way to actually recover your money.

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