Agency Relationships Explained: Hong Kong Salesperson Exam Guide

Last updated: April 2026

Understanding the legal nuances of agency is one of the most critical requirements for passing the Estate Agents Authority (EAA) licensing exam. Whether you are representing a vendor selling a luxury Peak apartment or helping a tenant find a flat in Kowloon, the law dictates exactly how you must act, what you must disclose, and how your relationship with your client is formalized. This mini-article breaks down the core concepts of agency law as they apply to the Hong Kong market. For a broader overview of exam topics, be sure to check out our Complete Hong Kong Salesperson Exam Exam Guide.

What is an Agency Relationship in Hong Kong?

Under Hong Kong common law and the Estate Agents Ordinance (Cap. 511), an agency relationship is a fiduciary relationship created when one person (the Principal or Client) authorizes another person (the Agent or Licensee) to act on their behalf in dealings with a Third Party.

In real estate, this typically involves a vendor or landlord authorizing a licensed estate agent to find a purchaser or tenant, negotiate terms, and facilitate the transaction. The agent acts as the bridge, but their legal loyalty lies strictly with their principal.

Types of Agency Relationships

The EAA recognizes several types of agency relationships, and understanding the distinctions is a guaranteed testing point on the Hong Kong Salesperson Exam.

Single Agency

In a single agency relationship, the estate agent represents only one party in the transaction—either the vendor/landlord OR the purchaser/tenant. This is the most straightforward relationship, as the agent's fiduciary duty of absolute loyalty is undivided. They must negotiate the best possible price and terms solely for their client.

Dual Agency

Dual agency occurs when the same estate agent (or the same estate agency company) represents both the vendor and the purchaser (or landlord and tenant) in the same transaction. In Hong Kong, dual agency is legal, but it is heavily regulated.

Because representing both sides creates an inherent conflict of interest (the vendor wants the highest price; the purchaser wants the lowest), the EAA requires strict compliance:

The agent must obtain explicit written consent from both parties to act as a dual agent.
The agent must fully disclose the amount or rate of commission they will receive from both sides.
The agent must remain neutral in negotiations and cannot disclose confidential information (like the vendor's bottom line or the purchaser's maximum budget) without permission.

Failure to properly disclose dual agency is a severe breach of real estate ethics and standards and can lead to license suspension.

Creation of Agency & EAA Prescribed Forms

While an agency relationship can be created by implication or oral agreement under common law, the Estate Agents Practice (General Duties and Hong Kong Residential Properties) Regulation strictly mandates that agents handling residential properties in Hong Kong must enter into a written Estate Agency Agreement using EAA Prescribed Forms.

You must memorize these forms for the exam:

Form 3: Estate Agency Agreement for Sale of Residential Properties in Hong Kong (Vendor)
Form 4: Estate Agency Agreement for Purchase of Residential Properties in Hong Kong (Purchaser)
Form 5: Estate Agency Agreement for Leasing of Residential Properties in Hong Kong (Landlord)
Form 6: Estate Agency Agreement for Leasing of Residential Properties in Hong Kong (Tenant)

These forms outline the validity period, commission amount, single/dual agency status, and property details. An agent cannot legally sue for commission on a residential transaction without a properly executed prescribed form.

Fiduciary Duties of a Licensee

When an agency relationship is formed, the agent owes fiduciary duties to the principal under common law. A helpful acronym for the exam is OLD CAR:

Obedience: You must follow the lawful instructions of your principal.
Loyalty: You must put your principal's interests above your own and avoid undisclosed conflicts of interest.
Disclosure: You must disclose all material facts related to the property or transaction (e.g., structural defects or unauthorized building works).
Confidentiality: You must keep the principal's personal and financial information private, even after the agency relationship ends.
Accounting: You must accurately account for all money or property received on behalf of the principal. (Note: Understanding how to account for funds often ties into proration calculations step-by-step during closing).
Reasonable Care and Skill: You must perform your duties with the competence expected of a licensed professional in Hong Kong.

Agency Market Dynamics in Hong Kong

To give you a practical perspective on how these relationships manifest in the local market, the following chart illustrates an estimated breakdown of agency types utilized in Hong Kong residential sales transactions.

Estimated Agency Types in HK Residential Sales (%)

Termination of Agency

An agency relationship does not last forever. For the exam, you must know the ways an agency agreement can be legally terminated in Hong Kong:

Performance/Completion: The transaction is successfully completed.
Expiration: The validity period stated in the Form 3, 4, 5, or 6 expires.
Mutual Agreement: Both the principal and the agent agree to cancel the contract.
Revocation: The principal fires the agent (though they may still be liable for breach of contract if done without cause).
Operation of Law: Death, mental incapacity, or bankruptcy of either the principal or the agent, or the destruction of the property.

Practical Scenario for the Exam

Scenario: Agent David signs a Form 3 with Vendor Victor to sell a flat in Mid-Levels. Later, David meets Purchaser Patty at an open house. Patty wants David to help her negotiate the purchase of Victor's flat. Patty also asks David to lower his commission rate to help her afford the stamp duty.

Application: Because David already represents Victor, taking on Patty creates a Dual Agency. David must update his Form 3 with Victor to disclose the dual agency and sign a Form 4 with Patty, disclosing the dual agency there as well. Furthermore, David must disclose the exact commission he is receiving from both parties. Regarding Patty's request to lower the commission, David may negotiate his own commission rates freely, but he cannot collude with other agencies to fix commission rates, as this would violate anti-trust laws in real estate (specifically the Competition Ordinance).

Frequently Asked Questions (FAQs)

1. Is an oral agency agreement valid in Hong Kong?

Under common law, an oral agency agreement can be valid. However, under the Estate Agents Ordinance, for residential properties in Hong Kong, an agent must use the EAA prescribed forms (Forms 3-6) to formalize the agreement. Without it, the agent may face disciplinary action and cannot legally enforce the collection of commission.

2. What happens if an agent fails to disclose a dual agency relationship?

Failing to disclose dual agency and obtain written consent is a serious breach of the EAA's Code of Ethics and fiduciary duty. The agent can face EAA disciplinary action, including fines, license suspension, or revocation, and may forfeit their right to any commission from the transaction.

3. Can an agent represent a family member in a real estate transaction?

Yes, but the agent must strictly declare their personal interest to all parties involved. Under the EAA Practice Circulars, if an agent has any pecuniary or personal interest in a property (including family ties), it must be fully disclosed in writing to avoid conflicts of interest.

4. Do fiduciary duties end when the Estate Agency Agreement expires?

Most fiduciary duties end when the agreement expires or the transaction completes. However, the duty of confidentiality survives the termination of the agency. An agent cannot use confidential information learned during the agency relationship to disadvantage the former client later.

5. What is a "Sub-agent" in Hong Kong real estate?

A sub-agent is an agent appointed by the primary agent to assist in carrying out the principal's instructions (often seen in co-broking arrangements). In Hong Kong, an agent must have the principal's explicit authority (usually indicated on the prescribed form) to appoint a sub-agent. The primary agent remains responsible to the principal for the sub-agent's actions.