Fiduciary relationships outside trust

Fiduciary doctrine is the law of disloyalty. Its central concern is not carelessness, unfairness, inequality of bargaining power, or breach of a promise as such. It is the policing of one person’s undertaking to act for, or on behalf of, another in circumstances where that person is entrusted with power affecting the other’s interests. That is why the topic belongs naturally after breach of trust, tracing, knowing receipt, and dishonest assistance. The trustee is the paradigm fiduciary, but not the only fiduciary. Company directors, agents, solicitors, partners, some employees, receivers, promoters, and certain intermediaries may all owe fiduciary duties outside the technical trust.

The most important examination distinction is between fiduciary status and fiduciary duties. English law does not say that a person is a fiduciary for all purposes merely because the relationship is one of confidence. The question is more exact: in respect of what function, undertaking, asset, opportunity, information, or decision-making power is loyalty demanded? Millett LJ’s formulation in Bristol and West Building Society v Mothew remains the best starting point: a fiduciary is one who has undertaken to act for or on behalf of another in a particular matter in circumstances giving rise to trust and confidence. The words in a particular matter are crucial. They prevent fiduciary law becoming a general jurisdiction to punish sharp practice.

The orthodox core is strict. A fiduciary must not place himself in a position where duty and interest conflict, or where two duties conflict, unless there is fully informed consent. A fiduciary must not make an unauthorised profit from his fiduciary position. Liability is prophylactic: it is designed to remove temptation and secure undivided loyalty. It is therefore no answer that the principal could not have made the profit, that the transaction was fair, or that the principal suffered no loss. Those propositions explain Keech, Regal, Boardman, and FHR. They also explain why proprietary remedies may be available: equity may require the fiduciary to account for gains and, in some cases, hold them on constructive trust.

For Durham’s Year 2 Trusts Law paper, this week is a bridge topic. It revisits the strict loyalty principles encountered in trustee duties in Week 10; it connects with equitable compensation from Week 13; and it completes the personal and proprietary liability architecture developed in Weeks 14 and 15. Problem questions often test whether students can resist over-classification. Not every bank, employer, adviser, family member, or contracting party is a fiduciary. Conversely, where a fiduciary undertaking is shown, the strictness of the profit and conflict rules must not be diluted by common-law ideas of causation, reasonableness, or remoteness. The best answers therefore proceed in four stages: identify the alleged relationship; define the scope of the fiduciary undertaking; apply the no-conflict and no-profit rules; then select the remedy, distinguishing account of profits, equitable compensation, rescission, and constructive trust.

The fiduciary idea developed in equity from the trust, agency, partnership, company, and solicitor-client relationships. It was never confined to express trusteeship. Chancery’s concern was that certain persons were entrusted with discretionary power over another’s property or affairs, and that such power could be abused in subtle ways which the common law’s action for damages did not adequately capture. The early cases therefore adopted a stern moral and institutional posture: the fiduciary must not be allowed to prefer self-interest where loyalty has been undertaken.

Keech v Sandford is conventionally treated as the fountainhead of the strict no-profit rule. A trustee of a child’s lease obtained a renewal in his own name after the landlord refused to renew for the infant. The trustee acted without apparent fraud and the infant could not have obtained the renewed lease. Yet the trustee was compelled to assign it. The policy was not compensatory but prophylactic: if trustees were permitted to take opportunities connected with the trust whenever the beneficiary could not have obtained them, temptation would be obvious and proof of abuse difficult. Later fiduciary law outside trust adopted the same reasoning.

Company law supplied the most important nineteenth and twentieth century expansion. In Aberdeen Railway Co v Blaikie Bros, a company chairman entered into a contract with a partnership in which he was interested. The House of Lords treated directors as fiduciaries whose personal interests must not conflict with the company’s interests. Regal (Hastings) v Gulliver then applied the strict profit rule to directors who personally acquired shares in a subsidiary formed as part of a cinema sale. The company itself could not acquire all the shares, and the directors acted in good faith, but they had made profits by reason of their office and in the course of executing it. The remedy was an account.

Agency supplied the parallel commercial line. An agent acts for a principal. That simple proposition carries powerful consequences: an agent must not secretly profit from the agency, take bribes or secret commissions, use confidential information for personal benefit, or put himself in inconsistent positions. The principal’s consent can authorise conflicts or profits, but only if the relevant facts are fully disclosed. This is why FHR European Ventures v Cedar Capital is central. The Supreme Court held that bribes and secret commissions received by an agent are held on constructive trust for the principal, resolving a long controversy about whether the principal had only a personal claim to an account.

The modern law is also marked by restraint. In Bristol and West Building Society v Mothew, Millett LJ warned against treating every breach by a fiduciary as a breach of fiduciary duty. A solicitor may owe duties of care, contractual duties, duties of confidence, and fiduciary duties; only disloyalty is fiduciary. This caution matters because fiduciary classification brings severe consequences: strict liability, gain-based remedies, possible proprietary claims, and limitation effects. The historical movement has therefore been double: expansion beyond trusteeship, but doctrinal narrowing around loyalty.

1. Fiduciary liability is relational but duty-specific. The first question is not whether the defendant is a good or bad person, nor whether the claimant trusted him in an ordinary sense. The question is whether the defendant undertook to act for or on behalf of the claimant in a matter engaging loyalty. The undertaking may be express, as in a retainer, agency agreement, partnership agreement, directorship, or trusteeship. It may also be inferred from the nature of the relationship and the functions actually assumed. But the scope of the undertaking is decisive. A solicitor is a fiduciary in relation to matters within the retainer; an estate agent may owe fiduciary duties in relation to the sale of a particular property; an employee may owe fiduciary duties in relation to opportunities entrusted to him. The same person may be fiduciary for one purpose and ordinary contracting party for another.

1. The distinguishing obligation is loyalty. Mothew is the leading modern statement. Fiduciary duties are not merely duties to act carefully or honestly. Negligent advice by a solicitor is not, without more, a fiduciary wrong. Nor is every breach of confidence fiduciary. Fiduciary duties are principally negative or proscriptive: do not make an unauthorised profit; do not place yourself in a position of unauthorised conflict; do not act for inconsistent principals without consent; do not misuse entrusted powers or opportunities for yourself. Some writers argue for positive duties of loyalty or good faith in particular relationships, but English fiduciary doctrine is usually cautious about converting fiduciary law into a general standard of fair dealing.

1. The no-conflict rule is strict. A fiduciary must not put himself in a position where his personal interest conflicts, or may possibly conflict, with his duty. The strictness is justified because courts cannot reliably examine the fiduciary’s motives after the event, and because beneficiaries or principals should not have to prove that loyalty was in fact compromised. The rule covers actual conflicts and real possibilities of conflict. It also covers duty-duty conflicts: for example, a solicitor acting for two clients whose interests are inconsistent, or an agent acting for competing principals. The conflict may be authorised, but the burden lies on the fiduciary to show informed consent.

The cases fall into three groups: foundations, modern definition, and remedial consequences. Keech v Sandford provides the foundational strictness. Though formally a trust case, it supplies the logic for fiduciary relationships outside trust: unauthorised acquisition of an opportunity connected with the fiduciary position is forbidden even where the principal could not have obtained it. Aberdeen Railway v Blaikie transposes the same policy into company law. The director’s conflict was enough; the court did not need to find that the transaction was unfair.

Regal (Hastings) v Gulliver is the leading modern company case on unauthorised profit. The directors acquired shares connected with the company’s business plan and sold them at a profit. Their honesty and the company’s inability to subscribe were irrelevant. The decision is indispensable because it shows that the liability is not tortious compensation but disgorgement. Boardman v Phipps is the more troubling analogue in the trust setting, but its significance extends beyond trustees. Boardman was not a trustee but acted in a fiduciary capacity when he used information and opportunities arising from the trust. The House of Lords imposed liability while allowing remuneration. It is a classic instance of strict doctrine softened at the remedial margin.

Bristol and West Building Society v Mothew is the definitional anchor. It distinguishes breach of fiduciary duty from negligence and insists that loyalty is the core obligation. In problem questions involving solicitors or advisers, Mothew prevents overreach. Hilton v Barker Booth and Eastwood then shows the seriousness of duty-duty conflict: a solicitor acted while burdened by inconsistent obligations and failed to disclose material facts. The relationship of confidence did not merely create a duty to take care; it required undivided loyalty and candid disclosure.

Kelly v Cooper is the principal limiting case. Estate agents commonly act for multiple sellers, and the Privy Council held that the contractual and commercial context may authorise what would otherwise appear to be a conflict. The case is best understood not as denying that estate agents can be fiduciaries, but as defining the scope and incidents of their fiduciary undertaking. The fiduciary duty must be compatible with the agreed relationship.

FHR European Ventures v Cedar Capital is the leading remedial case. It held that bribes and secret commissions received by an agent are held on constructive trust for the principal. That conclusion is practically important: a proprietary claim gives priority in insolvency and enables tracing. Reading v Attorney General completes the picture by illustrating unauthorised profit outside trust and company law. A soldier used his uniform and position to assist smugglers and was required to account. The case demonstrates that fiduciary-like accountability may arise where public position or entrusted authority is exploited for private gain.

See practice questions section below.

See further reading section below.