How to Set Up Time Tracking for a New Retainer Before It Starts

Retainers Are Not Simpler Than Projects

A lot of freelancers take on retainer clients because it feels more stable than project work. Guaranteed income, regular relationship, predictable month. That part is true.

What is also true is that retainers create a specific set of billing problems. The hours can creep. The scope is vague by design. And because the client pays a flat monthly fee, it is easy to slip into doing more than you agreed to without either party noticing until three months in.

The fix is not a better contract, though a better contract helps. The fix is tracking the hours properly from the first day so you have data when the conversation eventually comes up.

Step One: Know What the Retainer Covers

Before you set up any project in your tracker, get clear on the deliverable or the hour cap.

Some retainers are deliverable-based: you produce X pieces of content per month, or you handle Y tasks. Others are hour-based: the client buys ten hours per month and you do whatever fits in that time.

If it is deliverable-based, you are tracking time to understand your own margin, not to invoice by the hour. You need to know if that "ten posts per month" retainer is actually taking you thirty hours to produce.

If it is hour-based, you are tracking to protect the boundary. When the ten hours are up, the scope stops or the client approves more.

Your tracker setup looks different depending on which model you are working in.

Step Two: Create a Monthly or Rolling Project

For retainers, a single open-ended project does not work well. Twelve months of logged hours sitting in one bucket makes it hard to answer basic questions: did I stay within scope in October? How many hours did I average per month in the first quarter?

Instead, create a new project for each month. Name it something like "Client Name - January 2025." Log all your retainer hours for that month to that project.

At the end of the month, close it out. Review the total. If you went over, you can decide whether to flag it to the client, absorb it, or invoice the overage. The point is you know, in concrete numbers, before the month disappears into memory.

Step Three: Set a Budget Alert

If your retainer covers ten hours per month, set a budget alert at eight hours. In Time-Trak, you can set a project budget so you get notified as you approach it.

That two-hour buffer gives you time to check in with the client before you go over, not after. Clients respond much better to "we are approaching the monthly limit, here is what is left to do, how do you want to prioritize" than to a surprise overage invoice.

Budget alerts turn what would be an awkward conversation into a normal project management check-in.

Step Four: Label Entries by Task Type

Retainer work is often varied. One week you are writing, the next you are in strategy calls, the next you are reviewing something that was not originally in scope.

Label your entries by task type from the start. Not just "client work" but "copywriting," "client call," "review and feedback," "scope outside retainer."

That last label is important. If a client asks you to do something that is clearly outside the agreed scope, log it anyway but mark it distinctly. At the end of the month, you have a clear record of what was in scope and what was not. That record makes the conversation about overage or contract adjustment much easier to have.

The Monthly Review That Keeps Retainers Honest

At the end of every retainer month, spend ten minutes reviewing the project. Check total hours, check task type breakdown, check whether you went over or under.

Over time, this data tells you whether the retainer is priced correctly. If you consistently deliver thirty hours of work for a twenty-hour retainer fee, the math is working against you and you have evidence to make the case for adjusting the rate.

Retainers reward the freelancers who track carefully. Without the data, the scope drifts and the rate quietly erodes.

Track your time, bill every minute.

Time-Trak is a native Mac and Windows time tracker with a floating timer, automatic screenshots, and one-click invoicing.

Free during beta.

macOS + Windows · Floating widget · Auto screenshots