Using AI to Increase Efficiency in Your Practice

Uncategorized Aug 14, 2026

 

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Newsletter  •  Issue #012

The Billable Hours Illusion

You didn't work an 8-hour day. You worked a 3-hour billable day with 5 hours of overhead attached to it.

P
J. Patrick Williams
Founder  •  Firm Builder Blueprint

Early in my practice, when I was still billing hourly, I assumed an 8-hour day meant something close to 8 billable hours. That assumption is wrong for almost every attorney, and it is wrong by a wider margin than most of us want to admit.

38%

average utilization rate across the profession — about 3.0 billable hours in an 8-hour day.

26%

average utilization for solo attorneys specifically — about 2.1 billable hours a day.

3.6 hrs

captured daily at firms of 20+ attorneys — 71% more billable time from the same workday.

The gap is not about who works harder. It is about how much of the day survives contact with everything that is not the practice of law.

 

Where the Other Five Hours Actually Go

If you are only billing 2 to 3 hours in an 8-hour day, the obvious question is where the rest of it goes. For most solo and small firm attorneys, the answer is administrative work: intake, scheduling, document assembly, chasing down signatures, tracking your own time, and following up on invoices that should have been paid weeks ago.

This is not a productivity problem you can fix by working later. Research on legal administrative work has found that roughly 81% of the tasks legal secretaries and administrative assistants handle are automatable, and as much as 74% of hourly billable-adjacent tasks, document review, basic research, time tracking, can be automated or meaningfully streamlined. The hours are not disappearing into thin air. They are going into work that increasingly does not require a human doing it manually, let alone an attorney doing it at all.

 

Why This Matters More Now Than It Did Five Years Ago

I wrote a few issues back about the day I hired my first legal assistant, and more recently I have been talking to attorneys about where AI actually fits into a practice versus where it does not. This is the number that ties both of those conversations together. The value of delegating and automating administrative work was never really about saving money on a task. It is about what happens to your utilization rate when five hours of your day stop being consumed by work that was never billable to begin with.

The Actual Math

"Moving your utilization rate from 37 percent to 45 percent is a 22 percent increase in billable capacity without adding a single hour to your day."

That is the actual math. The target utilization rate most firms should be aiming for is 40 to 45%. Getting there is rarely about billing more aggressively or working weekends. It is about removing the non-billable drag on the hours you already have.

 

Firm Builder Blueprint

Systems that reclaim your billable hours, not just your admin time

The Firm Builder Blueprint covers how to build the staffing and tech stack that raises your utilization rate instead of just moving the same busywork around. Start with free access or get the complete course.

 

What I'd Actually Do With This Number

Track your own day for two weeks, categorized honestly: billable client work, administrative tasks, marketing, and everything else. Most attorneys have never done this and are shocked by what they find. Once you have the real breakdown, you have a much clearer answer to a question I get asked constantly: should I hire someone, or should I adopt a tool?

The honest answer is usually both, applied to different categories. A person handles the tasks that require judgment, a relationship, or a phone call a client actually wants to have. A tool handles the repetitive, structured work sitting behind that: document assembly, scheduling, intake triage, first-pass research. Attorneys who report using AI in their practice went from 19% in 2023 to 79% in 2026. Adoption is not the hard part anymore. Knowing what to point it at is.

Your billable hours were never really the problem

The Firm Builder Blueprint covers how to build the systems and staffing that reclaim the other five hours of your day, not just the tools that promise to. Start with free access or get the full course.

I keep these short, practical, and worth your time. If you ever feel like one is not, reply and tell me. I read every response.

Talk soon.

Patrick

Firm Builder Blueprint

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