Whether to sue for breach of fiduciary duty depends on the strength of your legal claim, the damages you have suffered, and whether the cost and disruption of litigation are proportionate to what you stand to recover. For most senior decision-makers, the honest answer is that litigation should be a last resort, pursued only when the breach is clear, the harm is material, and all credible alternatives have been exhausted.
Fiduciary duty claims are among the most serious in corporate and governance law. They strike at the heart of trust, loyalty, and the exercise of authority on behalf of others. Understanding what the law requires, what you can realistically recover, and what risks you accept by suing will shape a sound decision.
What counts as a breach of fiduciary duty?
A breach of fiduciary duty occurs when a person in a position of trust and authority fails to act in the best interests of the party they are obligated to serve. Fiduciaries include directors, trustees, partners, executors, and certain advisors. A breach arises when that person places their own interests, or those of a third party, above the interests of those they owe a duty to.
The most common categories of breach include:
- Conflict of interest: A director approves a transaction that personally benefits them without proper disclosure or board approval
- Self-dealing: A fiduciary uses their position to extract value from the organisation for personal gain
- Misappropriation of assets: Diverting company funds, opportunities, or property for personal use
- Failure of loyalty: Acting in the interests of a competitor, third party, or personal relationship at the expense of the organisation
- Breach of confidentiality: Disclosing sensitive information for personal advantage or to harm the organisation
Not every poor decision constitutes a breach. Courts generally apply the business judgment rule, which protects fiduciaries from liability for honest mistakes made in good faith. A breach requires more than bad judgment. It requires a failure of loyalty, honesty, or the duty of care that falls below the standard a reasonable person in that position would apply.
What are the legal requirements to prove a breach of fiduciary duty?
To succeed in a fiduciary duty lawsuit, a claimant must establish four elements: that a fiduciary relationship existed, that the defendant owed a specific duty arising from that relationship, that the duty was breached, and that the breach caused measurable harm. Each element must be proven to the applicable standard of proof in the relevant jurisdiction.
Establishing the fiduciary relationship
The first question is whether the law recognises the relationship as fiduciary in nature. Directors of companies are the most clearly established category. Trustees, certain agents, and professional advisors may also qualify, depending on the nature of the relationship and the degree of trust and discretion involved. If the relationship is not formally recognised as fiduciary, the claim may fail at the first stage regardless of the conduct in question.
Proving the breach and causation
Once the relationship and duty are established, the claimant must show that the defendant’s conduct fell below the required standard and that this conduct directly caused the loss claimed. Courts will examine the specific duty at issue, whether it was the duty of loyalty, the duty of care, or the duty to avoid conflicts, and assess the defendant’s conduct against what a reasonable fiduciary would have done. Causation is frequently contested. Even where a breach is clear, defendants will argue that the loss would have occurred regardless of their conduct.
What damages can you recover from a fiduciary duty lawsuit?
Damages available in a fiduciary duty claim typically include compensation for actual financial losses caused by the breach, disgorgement of profits the fiduciary gained through the breach, and in some jurisdictions, equitable remedies such as rescission of contracts entered into as a result of the breach. The precise remedies available depend on the jurisdiction and the nature of the duty breached.
Key remedies to understand:
- Compensatory damages: Designed to restore the claimant to the position they would have been in absent the breach. These require clear evidence of the financial loss suffered.
- Disgorgement: Requires the fiduciary to surrender any profit made through the breach, regardless of whether the claimant suffered an equivalent loss. This is a particularly powerful remedy in cases of self-dealing.
- Account of profits: A related equitable remedy compelling the fiduciary to account for all gains derived from the breach.
- Rescission: Where a transaction was entered into as a result of the breach, courts may unwind it entirely.
- Injunctive relief: Courts may restrain ongoing or threatened breaches before they cause further harm.
Punitive damages are rarely available in fiduciary duty cases unless the conduct was egregious and the jurisdiction expressly permits them. Legal costs are a further consideration. Even a successful claimant may not recover all litigation costs, and in some jurisdictions, each party bears their own fees regardless of outcome.
What are the risks of suing for breach of fiduciary duty?
Litigation for breach of fiduciary duty carries significant risks that senior decision-makers must weigh carefully. The financial cost of bringing a claim can be substantial, the process is often lengthy, and the outcome is never guaranteed. Beyond cost, there are strategic and reputational dimensions that can affect the organisation long after the case concludes.
The principal risks include:
- Cost and duration: Complex fiduciary duty cases can take years to resolve and require significant legal expenditure, often without certainty of recovery
- Reputational exposure: Litigation is a matter of public record in most jurisdictions. Internal governance failures, board conflicts, and financial irregularities become visible to investors, regulators, and the market
- Distraction at leadership level: Senior executives and board members involved in litigation face significant demands on their time and attention at precisely the moment the organisation needs clear leadership
- Counter-claims: Defendants frequently respond with counter-claims, widening the scope of the dispute and increasing cost and complexity
- Uncertain recovery: Even where liability is established, enforcing a judgment against an individual defendant who lacks assets may leave a successful claimant with little practical benefit
- Relationship damage: In closely held companies, partnerships, and family businesses, litigation can permanently destroy relationships that might otherwise have been preserved through negotiation
What alternatives exist before taking legal action?
Before committing to litigation, organisations and individuals have a range of alternatives that can resolve fiduciary disputes more efficiently, at lower cost, and with greater confidentiality. In many cases, these mechanisms produce outcomes that better serve the long-term interests of all parties.
The most effective alternatives include:
- Direct negotiation: A structured conversation between the parties, ideally supported by legal counsel, can resolve disputes without formal proceedings. Many fiduciary claims settle through negotiation once both sides understand the strengths and weaknesses of their positions.
- Mediation: A neutral third party facilitates a structured negotiation. Mediation preserves confidentiality, allows creative solutions, and is typically far faster and less costly than litigation.
- Arbitration: Where the governing documents provide for it, arbitration offers a binding determination by a specialist panel in a private setting. It is particularly well-suited to complex commercial disputes involving directors and shareholders.
- Board-level resolution: Where the dispute is internal to the board, engaging an independent external governance advisor to facilitate structured dialogue and review can surface the underlying issues without recourse to courts. An independent board evaluation can identify structural or relational failures that, when addressed directly, remove the conditions that gave rise to the dispute.
- Regulatory referral: In cases involving listed companies or regulated entities, referring the matter to the relevant regulator may be more appropriate than private litigation, particularly where the breach affects shareholders or the public interest.
When does suing become the right decision?
Litigation for breach of fiduciary duty becomes the right decision when the breach is clear and well-evidenced, the financial harm is material, alternative resolution has been attempted or is genuinely unavailable, and the expected recovery justifies the cost and disruption of proceedings. No single factor is determinative. The decision requires a clear-eyed assessment of all four dimensions together.
Suing is most clearly warranted when:
- The fiduciary relationship and the specific duty breached are unambiguous
- There is strong documentary or witness evidence of the breach
- The financial loss or the profit extracted by the fiduciary is significant and quantifiable
- The defendant has assets against which a judgment can be enforced
- The organisation’s interests, including its reputation and stakeholder relationships, are better served by accountability than by settlement
- Ongoing or future harm can only be prevented through court-ordered relief
Where the evidence is ambiguous, the losses are modest, or the defendant is unlikely to satisfy a judgment, the calculus often favours settlement or alternative resolution. The purpose of litigation is not to establish a principle at any cost. It is to achieve a practical outcome that serves the legitimate interests of the organisation and those it is accountable to.
How The Board Practice helps with board-level fiduciary disputes
When fiduciary duty concerns arise within a board, the underlying cause is rarely isolated. More often, it reflects deeper structural or relational failures in governance. The Board Practice works with boards and chairs to identify and address those conditions before they escalate.
- Independent, objective assessment of board dynamics, decision-making processes, and governance structures
- Identification of conflicts of interest, role confusion, and accountability gaps that create fiduciary risk
- Forward-looking development plans that strengthen board cohesion and reduce the conditions in which breaches occur
- Confidential counsel to Chairs navigating sensitive governance challenges, grounded in over 19 years of methodology and more than 120 board effectiveness engagements across industries and geographies
If your board is facing governance concerns that carry fiduciary implications, early and candid external counsel is the most effective form of risk management. Contact The Board Practice to discuss how we can support your board.
Related Articles
- How should a board prepare for an unplanned CEO departure in 2026?
- How is a fiduciary held accountable?
- How do you turn board evaluation data from the platform into a concrete strategic action plan?
- How does an AI governance platform handle multi-language board evaluations across global entities?
- How do AI-powered questionnaires improve board evaluation quality?