Definition:
A retainer is an ongoing agreement under which a company reserves the availability or capacity of an agency or professional in exchange for a recurring fee. In digital marketing, it is commonly used to provide recurring services over a defined period instead of commissioning each task as a separate project.
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How a retainer agreement works
The agreement has no universal minimum duration and does not mean that the provider must carry out any work requested. The contract should specify the scope, available hours or capacity, deliverables, responsibilities, fee, duration and conditions for requesting additional work. A clear briefing and a prioritisation process help coordinate needs within those limits.
When requests fall outside the agreed scope or capacity, they should be treated as additional work or prompt a review of the agreement. Defining these boundaries reduces the risk of scope creep, in which a project gradually expands without corresponding changes to deadlines, resources or budget.
Advantages of a retainer agreement
A retainer can provide continuity for both parties when its terms are clearly defined:
- For the company: It provides stable access to a team familiar with the business, reduces the time needed to start each assignment and supports the planning of recurring work. These benefits depend on agreed priorities and response times.
- For the agency or professional: It provides a more predictable relationship and income and enables a better understanding of the client. It does not guarantee better results by itself: these depend on strategy, execution, collaboration and available resources.