Agency Relationship: Roles, Duties, and Legal Basics
An agency relationship lets an agent act legally for a principal. Learn how it works, key duties, types, and what happens if duties are breached. 6 min read updated on October 01, 2025
Key Takeaways
- An agency relationship is a legal arrangement in which one party (the agent) is authorized to act on behalf of another (the principal).
- It is based on mutual consent, fiduciary duty, and legal authority, with each party having clearly defined responsibilities.
- Common forms include express, implied, apparent, and ratified agency, each with different implications for liability and authority.
- Both principals and agents owe specific duties such as loyalty, care, obedience, disclosure, and accounting.
- Agency relationships are widely used in business, employment, real estate, and law, but they can lead to liability if duties are breached.
- Termination of an agency may occur by agreement, revocation, fulfillment of purpose, expiration, or operation of law.
An agency relationship consists of the principal and the agent where the principal gives the agent legal permissions to act on the principal's behalf. In this type of relationship, agents should not have any conflicts of interest in executing any act the principals appoint them to do. This relationship that exists between principal and agent is appropriately called the "agency." The law of agency has well-established specifications for this legal relationship.
The law of agency permits individuals to hire others to do their job, sell their merchandise, and purchase property on their behalf as if the principal were there in person. The principal can give the agent authorization to perform several duties or the agent can be curtailed to do particular tasks. No matter what the tasks are, the authority given to the agent is representative of the principal and the principal's control.
Defining the Principal-Agent Relationship
The official stipulations of a particular principal-agent relationship are generally specified in a contract. The principal-agent relationship consists of any consenting and capable parties for the intent of performing any legal undertaking. In plain terms, the principal of the agency relationship is a single individual who appoints an agent to perform certain duties.
There are agency relationships by this description that can have principals that are:
- Corporations
- Nonprofit organizations
- Government agencies
- Partnerships
The agent is usually an individual who is adept at understanding the task that's delegated by the principal and can execute the assignment with no problems.
Simple instances of the principal-agent relationship are:
- Commissioning a contractor to do home repairs.
- Hiring an attorney to do legal work.
- Employing an investment advisor to diversify a stock portfolio.
In these situations, the principal is the individual requesting the assistance of a professional, and the agent is the individual performing the skilled work. Frequently, principals are business owners that commonly employ or choose other individuals to carry out jobs on their behalf. Agency law supplies the set of rules controlling the manner in which the agency relationship functions between a principal and an agent.
Key Elements of an Agency Relationship
Agency relationships are built on three foundational elements:
- Consent: Both parties must mutually agree—explicitly or implicitly—that one will act on behalf of the other.
- Control: The principal has the right to direct or control the agent’s actions related to the agency’s purpose.
- Fiduciary Duty: The agent must act with loyalty, honesty, and in the best interests of the principal at all times.
This relationship is not necessarily contractual but is always legal and binding once formed. It enables agents to make decisions, enter into agreements, or perform actions that legally bind the principal.
Principal and Agent Responsibilities
The principal-agent relationship produces an association that is held in trust among the parties involved, whether the principal-agent relationship is explicit using a written contract or insinuated through deeds or behavior. This indicates that the agent who becomes employed to operate as a representative of the principal is to perform the appointed duties with the principal's well-being as their prime concern.
Actual authority — the "express" power granted to an agent by the principal — happens when the agent performs a duty representing the principal and he rationally assumes that the principal wants this deed done. “Express” authority is the instance when the principal instructs the agent on what and how things need completing. “Implied” authority is when the agent takes the necessary actions to achieve the purpose of the agency.
The principals are able to restrict the agents' jurisdictions or invalidate them if they want. For instance, a principal who had originally assigned an agent to buy a parcel of real estate property can change the instructions to curb the agent's privilege to lease the property rather than purchasing it.
Agent are duty-bound to finish the jobs assigned to them by the principal providing that the principal contributes plausible instructions. Also, it's expected that the agent is able to complete the jobs with a particular degree of expertise and caution and will not purposely or carelessly finish any task in an inappropriate way. An obligation of allegiance is also insinuated as part of the principal-agent relationship, which necessitates that agents avoid placing themselves in situations that lead to or prompt discord between the interest of principals and the agent's own interests.
Questions About Agency Relationship
The agency relationship consists of the principal and the agent, which is an arrangement where the principal legally elects an agent to represent them, to act in the interest of the principal. If you want to learn more about the agency relationship or you have any legal questions concerning this subject, speaking with a lawyer is the best way to get answers.
Types of Agency Relationships
Agency relationships can take several forms, each with different levels of authority and liability:
- Express Agency: Created through a written or spoken agreement where the principal explicitly authorizes the agent to act.
- Implied Agency: Formed through the conduct of the parties, even without a formal agreement.
- Apparent (or Ostensible) Agency: Arises when a third party reasonably believes an agency exists based on the principal’s actions, even if no actual authority was granted.
- Agency by Ratification: Occurs when a principal accepts or confirms actions performed on their behalf without prior authorization.
These distinctions are crucial because they affect the principal’s liability, the agent’s authority, and third-party expectations
Fiduciary Duties and Legal Obligation
The agent’s fiduciary duties go beyond simply performing tasks—they are legal obligations that include:
- Loyalty: Prioritizing the principal’s interests over personal gain.
- Obedience: Following all lawful instructions given by the principal.
- Care: Acting with the skill, competence, and diligence expected of a reasonable agent.
- Disclosure: Informing the principal of all material facts relevant to the agency’s scope.
- Accounting: Properly managing and reporting any money or property handled on the principal’s behalf.
In turn, principals must:
- Compensate the agent as agreed.
- Reimburse expenses incurred in the course of authorized work.
- Indemnify the agent against liabilities arising from lawful actions taken on their behalf.
Breach of Duties and Liability
When either party breaches their obligations, legal consequences may follow. Common examples include:
- Agent Misconduct: If an agent acts beyond their authority or in their own interest, they may be personally liable for damages.
- Principal Misrepresentation: If a principal fails to disclose key information, they may be liable for losses caused to third parties.
- Joint Liability: In some cases, both parties can be held responsible for damages arising from the agency’s actions.
Understanding liability risks helps businesses and individuals structure agency agreements carefully and include protections like indemnity clauses or limitations of authority.
Real-World Examples of Agency in Practice
Agency relationships are common across industries. Examples include:
- Business Transactions: Corporate officers acting on behalf of a company in signing contracts.
- Employment: Employees making decisions within the scope of their job duties.
- Real Estate: Agents negotiating property sales or leases for clients.
- Legal Representation: Attorneys representing clients in legal proceedings.
Each scenario demonstrates how the agent’s authority can significantly impact the principal’s legal and financial position.
Termination of an Agency Relationship
An agency relationship may end under several conditions:
- Mutual Agreement: Both parties agree to terminate.
- Fulfillment of Purpose: The objective of the agency is achieved.
- Expiration: The time period of the agency expires.
- Revocation or Renunciation: The principal revokes authority or the agent resigns.
- Operation of Law: Death, incapacity, or bankruptcy can terminate the relationship automatically.
When termination occurs, the agent’s authority ceases immediately, and notice should be provided to any third parties who relied on the prior agency.
Frequently Asked Questions
-
What is an agency relationship in law?
An agency relationship is a legal arrangement where one party (agent) is authorized to act on behalf of another (principal), often with the power to bind the principal legally. -
Can an agency relationship exist without a contract?
Yes. While many agency relationships are formalized in contracts, they can also arise through conduct (implied) or acceptance of unauthorized actions (ratification). -
What happens if an agent exceeds their authority?
If an agent acts beyond the scope of their authority, they may be personally liable for damages, and the principal may not be bound by those actions. -
How is an agency relationship terminated?
It can end by agreement, completion of purpose, expiration, revocation, resignation, or by operation of law such as death or bankruptcy. -
What are the most important duties of an agent?
Key duties include loyalty, obedience, care, disclosure, and accounting—all aimed at protecting the principal’s best interests.
If you need help with agency relationship, you can post your legal need on UpCounsel's marketplace. UpCounsel accepts only the top 5 percent of lawyers to its site. Lawyers on UpCounsel come from law schools such as Harvard Law and Yale Law and average 14 years of legal experience, including work with or on behalf of companies like Google, Menlo Ventures, and Airbnb.