The Profitability Number You Need Per Client, Not Just Per Project

You can run a project perfectly and still lose money on a client.

That sounds wrong until you see it in your own logs.

Project profitability is a useful number. But it is incomplete. Because the project does not account for everything that client costs you. The ongoing relationship does.

The Difference Between Project and Client Profitability

A project has a start and an end. You quote it, scope it, deliver it, invoice it. You can calculate whether it paid.

A client relationship has no end date, at least not one you can see in advance. And it carries costs that projects do not.

Monthly check-in calls. Emails that need thoughtful responses. Requests for quick advice that fall outside any active project. Invoice questions. Scope conversations that do not go anywhere. Proposals for work that does not happen.

None of that time shows up in your project log. But it is real time. And it is real cost.

How to Calculate It

Start by pulling all logged time for one client over the last six months. Include everything. Active project time, yes. But also the calls, the emails you logged, the proposals you tracked, the admin around their invoices.

Add it up. Now look at what you billed them in that same period.

Divide billed revenue by total hours spent. That is your actual effective rate for this client, not your stated rate, not your project rate. The real one.

Do this for every client. Then sort the list.

The client at the top of the list is making you the most per hour of your attention. The client at the bottom is the one quietly subsidized by the others.

What Makes Client Profitability Low

Sometimes it is scope creep inside projects. But often it is the relationship overhead that never gets billed.

Clients who need a lot of hand-holding cost more than clients who trust you and let you work. Clients who change direction often cost more than clients who stay focused. Clients who pay late cost you in mental load even if you do not add a late fee.

None of that shows up in a project profit calculation. All of it shows up when you look at client-level hours over time.

Where Time-Trak Fits Into This

The only way to run this calculation is if you are actually logging the non-project time. The calls, the emails you tracked, the pre-project work, the relationship maintenance.

Time-Trak lets you log that time against a client even when it is not attached to a specific project. Create an internal task category for client management. Log those check-in calls against the client. Log the proposal time.

When you pull a client report at the end of a quarter, you will see the full picture. Not just what the projects cost. What the relationship costs.

What to Do With the Number

If a client is consistently low on your profitability list, you have a few options.

You can raise their rate. If they are legacy clients who have been with you for years at an old price, the data gives you the case for a conversation.

You can reduce the overhead. Set clearer communication expectations. Stop doing proposal work on spec. Charge for discovery calls.

Or you can decide they are not worth renewing. That is a legitimate conclusion. A client who pays fine but costs you more attention than they are worth is still a net loss.

The point is you are deciding with data, not with a feeling about whether you like the person or whether the work is interesting.

Liking a client is not a profitability metric. Their total cost to your time is.

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.

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