Agency in professional transactions, particularly in the purchase and sale of real property, defines the legal relationship between a professional and their client. A single agent relationship represents the highest level of legal responsibility and advocacy available to a buyer or seller. Understanding this structure is paramount for anyone navigating a real estate transaction, as it determines the duties a licensee owes to the party they serve.
Defining the Single Agent Relationship
A single agent is a real estate broker or their associate who represents only one party—either the buyer or the seller—in a specific transaction, never both. This arrangement creates a strict principal-agent relationship, where the client is the principal and the agent is the fiduciary acting on their behalf. The agent works exclusively for the client, meaning the agent’s professional actions are dedicated to achieving the most favorable outcome for that single party. In states like Florida, this term and its application are strictly governed by statute, distinguishing it from other brokerage models.
The agent is bound to uphold the interests of their principal, involving a commitment to the client’s goals throughout the entire process. This designation is established early in the relationship and signifies a clear, legally defined line of representation. Every action taken by the agent is intended to benefit and protect the financial and personal objectives of their sole client.
The Core Fiduciary Duties of a Single Agent
The single agent relationship is defined by a comprehensive set of fiduciary duties that constitute the highest level of legal responsibility a licensee can owe a client. These duties are mandated by law and ensure the agent operates with undivided allegiance to the principal.
These core duties include:
- Loyalty, which requires the agent to place the client’s interests above their own and all others, including the brokerage firm. The agent must always advocate for the best price and terms for their client.
- Confidentiality, obligating the agent to protect the client’s private information, such as financial situation or motivation for the transaction, indefinitely, even after the sale closes.
- Obedience, meaning the agent must follow all lawful instructions given by the client.
- Full Disclosure, requiring the agent to promptly inform the client of all pertinent facts that may affect the transaction, enabling informed decisions.
- Reasonable Skill and Care, requiring the agent to use their professional expertise to the client’s benefit in all aspects of the transaction.
- Accounting, mandating that the agent safeguards and tracks all funds, documents, and property entrusted to them by the client.
Comparing Single Agency to Alternative Representation Models
The clarity and depth of the single agent role become apparent when contrasted with alternative representation models. The differences center on the extent of the fiduciary duties owed to the client, particularly loyalty and confidentiality.
Dual Agency
Dual agency occurs when one agent or two agents from the same brokerage represent both the buyer and the seller in the same transaction. This arrangement inherently creates a conflict of interest, as the agent cannot provide undivided loyalty to two parties with opposing financial goals. Consequently, the agent’s fiduciary duties are severely limited, and they cannot offer advice on negotiating price or terms to either party. While some states allow dual agency with informed written consent, others, such as Florida, prohibit it entirely.
Transaction Brokerage
Transaction brokerage is a non-fiduciary relationship where the licensee acts as a facilitator, providing limited representation to both parties without advocating for either’s interests exclusively. The agent’s duties are reduced primarily to dealing honestly and fairly, using skill and care, and accounting for funds. The agent is not obligated to provide the full loyalty or full disclosure required of a single agent. In many states, transaction brokerage is the presumed relationship unless a single agent or no-brokerage relationship is established in writing.
Key Advantages of Choosing Single Agent Representation
Selecting a single agent provides the client with an advocate whose legal obligations align with the client’s financial goals. The advantage is the assurance of undivided loyalty, guaranteeing that the agent’s advice and actions are always directed toward the client’s best outcome. This legal advocacy ensures the client has a professional dedicated to securing the most favorable price and terms in the contract negotiation.
The duty of confidentiality legally shields sensitive information, such as financial limits or motivation for selling, from the opposing party. This protection prevents the client’s negotiating position from being compromised. The single agent model minimizes the potential for conflicts of interest inherent in other representation models, ensuring the representative acts solely in the client’s interest.
Formalizing and Concluding the Single Agent Agreement
The single agent relationship must be formally established through a written contract before any substantive work begins. For sellers, this is typically a Listing Agreement, and for buyers, it is a Buyer Agency Agreement. These documents define the scope of the agent’s representation, the duration of the relationship, and the terms of compensation. The agent must provide a written disclosure of their single agent duties to the client before or at the time of entering into this agreement.
The agreement legally concludes when its purpose is fulfilled, most commonly upon the successful closing of the sale. The contract may also be terminated if the specified term expires, by mutual written consent, or due to a breach of the contract’s terms by either party. Even after termination, the agent’s duty of confidentiality remains in effect indefinitely.

