How to Build Recurring Revenue in a Services Business

A retainer is an agreement to provide continuing work, capacity or access for a recurring fee. Before offering one, establish that the client has a need that continues, define what the fee covers and decide how you will review whether the arrangement still makes sense.

A finished project can reveal a possible recurring service, but it does not prove that one exists. Follow-up requests may signal an ongoing problem—or they may be occasional work better handled project by project.

Look for a need that continues#

Start with work you already do. Notice recurring requests, problems that return or responsibilities that carry on after a project ends. Treat each as a lead to investigate, not proof that a client will buy a retainer.

Ask what keeps coming up, how the client handles it now and what happens if it is left unresolved. Then separate what you know from what you suspect. Several follow-up requests are observable; the belief that the client would prefer a fixed monthly fee is still a hypothesis. Future demand, willingness to pay and the value of the outcome may all be unknown.

A retainer is more plausible when work has continuity or is likely to evolve. If demand is sporadic, hard to define or not important enough to address regularly, keep the work project-based for now. As Elizabeth Harrin’s discussion of retainers on ProjectManagement.com notes, ad hoc work may not suit the model, and clients need to see what work has been done and what value they received. This is practical commentary, not a market study or universal rule.

Make the offer clear and bounded#

Describe the service from the client’s point of view: what continuing need it addresses, what the client should receive and how the work will happen. “Ongoing advice” or “support as needed” leaves too much unclear.

Be specific about:

• Included work: the deliverables or activities covered by the fee.
• Cadence: when the work happens or when you review priorities.
• Boundaries: what is excluded and how extra work will be agreed.
• Client inputs: what information, access or decisions the work depends on.
• Capacity and response: who will do the work, what capacity is reserved and when the client can expect a response.

A recurring fee might cover set deliverables, a defined amount of reserved capacity or access to expertise within stated limits. These are different offers. Say which one you mean rather than letting “retainer” stand in for the details.

For example, a consultant who has completed one-off audits might consider monthly reviews of an agreed set of materials, followed by a short findings summary and a discussion of priorities. The offer would need to say which materials are included, when the client must supply them and how urgent or additional work will be handled. This is an illustration, not evidence that the service is in demand or that monthly reviews are the right cadence.

Test the proposition before committing#

Use a short description to start a conversation:

We help [client type] with [continuing problem] by [specific work], delivered [cadence]. The fee includes [scope]; [excluded or additional work] is agreed separately. To do this, we need [client inputs]. We’ll review the arrangement on [date or review point], looking at [evidence of client value] and [effort required to deliver it].

Ask the prospective client whether the problem and proposed outcome are accurate, what they would expect to receive and how they handle the work today. If the answers reveal a mismatch, revise the scope or keep the work project-based. A conversation can test whether the proposition makes sense; it cannot guarantee future demand.

Review value and delivery together#

A recurring invoice makes billing regular, not necessarily workload or economics predictable. Demand may vary, requests may exceed the agreed scope, or delivery may take more effort than expected. At the review point, look at both what the client received and what it took to provide it.

For the client, consider what was delivered and what changed, was maintained or became clearer. For yourself, consider the effort required, exceptions or delays, and whether the same scope can be delivered at the agreed cadence without crowding out other work. Where possible, agree a starting point so you have something meaningful to compare.

Then decide whether to continue, change the scope or cadence, or stop. Renewal alone does not prove impact or show that the arrangement is sustainable; a client may renew for reasons unrelated to results, while useful work may still take more effort than you can afford.

A retainer is worth proposing when the continuing need is clear enough for the client to assess and the work is bounded enough for you to deliver. If either part remains uncertain, revise the proposition or stay project-based.

The Alternative - Leverage Dainin GTM Builder.#

Dainin GTM Builder autonomously researches, develops, and evaluates go-to-market strategies, presenting you with the strongest campaign options ranked by their estimated likelihood of success.

Each step in a build and even the campaign is assigned a Potential Success Score (PSS) - a weighted score calculated across 8–10 dimensions tailored to the specific campaign and its objectives. The score also incorporates the system’s confidence in its recommendation, giving you a transparent, data-driven way to compare campaigns, prioritize opportunities, and make better GTM decisions.