The busiest attorneys lose the most time, not because they’re careless, but because reconstructing a day from memory never quite works. Firms using Billables AI capture 10–30% more billable time, and accurate records drive insights around firm profitability.
Ask any managing partner who their best timekeepers are and they’ll name them without hesitation. Then ask whether those same attorneys capture every minute they actually work, and the confidence usually fades. The truth is uncomfortable but pretty simple. Your strongest attorneys are often your leakiest, and it has nothing to do with discipline.
Here's why. The busier someone is, the more their day fragments into small pieces. A call here, a document review squeezed between meetings, a few emails answered while waiting for a hearing to start. By the time Friday rolls around and the timesheet is staring back at them, they’re trying to rebuild forty or fifty hours of fragmented work from memory. Nobody does that well. Memory rounds down, drops the short tasks, and quietly forgets the work that didn’t feel "big enough" to log. That’s not negligence. It’s a broken process.
What the leakage actually costs.
Every uncaptured hour is more than a missing line item. It chips away at your realization rate, the gap between the value of the work performed and what the firm actually collects. When attorneys reconstruct narratives at the end of the week, those entries tend to be vague, which invites write-downs from clients and billing partners alike. And the reports leadership leans on for decisions, the profitability dashboards and utilization summaries, end up built on numbers that only tell part of the story.
Put rough math to it. Picture a firm with thirty attorneys, each losing just five billable hours a week, billing at an average of $350 an hour. That’s a little over $5,000 per attorney per week, north of $150,000 across the firm in a single week. Stretch that across a quarter and you’re looking at a number that would make any partner sit up straight. The leak is quiet, which is exactly what makes it dangerous. Nobody notices a slow drip until the basement floods.
A real number: 10-30% more.
Firms using Billables AI capture between 10-30% more billable time than manual methods allow. And because entries are ready as the work happens rather than reconstructed days later, bills go out the door faster. Firms that bill faster get paid faster, which improves cash flow on top of the recovered revenue.
Disappearing hours and minutes. Where are they?
Think about the shape of a typical day. There’s the forty-minute client call that runs long and never makes it onto the sheet because the next meeting started before anyone wrote it down. There’s the quick but substantive email reply drafted in a parking lot. There’s the contract review done in the fifteen minutes between two calls, real work that feels too small to bother logging and so it vanishes.
Billables AI captures all of it passively, across the tools attorneys already live in, like Microsoft, Google, Adobe, and Zoom. As the work happens, it matches each activity to the right client and matter. The attorney still reviews and approves everything before a single entry goes to billing. The software does the remembering. The lawyer makes the calls.
Nancy Jeng, co-founder of Billables AI, spent years as a timekeeper before building the product, and she didn’t set out to solve a technology problem so much as a human one.
"Every professional I know who bills by the hour has felt that Friday afternoon dread, staring at a blank timesheet and trying to remember what Tuesday even looked like," said Jeng. "We built Billables AI so the work captures itself as you go. You’re not reconstructing your week from memory anymore. You’re just confirming what you already did, and that one shift gives people back hours of their life and revenue they earned but were quietly losing."
The bigger argument: clean data underneath everything.
Recovered revenue is the headline, but it isn’t the whole story. Captured time is also the cleanest possible source data for every report your firm runs.
Centerbase is the financial and operational command center, so the more reliable inputs, the better insight out of it. When time is logged accurately and in the moment, your matter profitability numbers reflect what actually happened on each matter. Utilization shows where capacity truly sits. Realization stops being a guess shaped by end-of-week shortcuts. Leadership can manage to numbers they trust because the foundation underneath them is solid rather than reconstructed. Better source data doesn’t just recover dollars. It makes every downstream decision sharper.
Answering the "big brother" question.
Whenever passive capture comes up, someone in the room gets uneasy, and that’s fair. Tracking activity across an attorney’s tools sounds like surveillance if you stop the sentence there. So, let’s not stop it there.
Billables AI is built privacy-first, on a straightforward principle. Your time is yours to share. Each attorney is the only person who can see their own report. They can edit any entry, delete anything they don’t want captured, and nothing gets exported or shared until they say so. The system gives an attorney control over their own record. It doesn’t hand a microscope to anyone else. That distinction, control rather than monitoring, is the whole point.
"Midsize firms don’t have the margin for guesswork," stated Trish Stromberg, CMO of Centerbase. "When time gets captured accurately as the work happens, it doesn’t just recover revenue that was slipping away. It feeds clean numbers straight into the reporting partners use to run the firm. Better timekeeping isn’t just a billing win. It’s the foundation for every financial decision a firm makes."
About Billables AI
Billables AI is an AI-powered timekeeping and operational intelligence platform built for law firms and professional services. The industry-leading automated time-tracking solution passively captures work activity, generates billing narratives, and integrates with leading practice management and productivity tools. By reducing lost time and administrative burden, Billables AI helps firms increase revenue, compliance, and client trust. Founded by a team of AI, B2B SaaS, and product marketing experts, the company is based in San Francisco and backed by leading Silicon Valley AI investors, including Wing VC, F7, SignalFire, Darkmode, and Alumni Ventures.
About Centerbase
Centerbase is the operating platform purpose-built for midsize law firms. It unifies matter management, billing, financial operations, and the AI tools firms are adopting into a single governed system, eliminating the operational drag that costs firms time, revenue, and client confidence. The result is a practice that runs tighter, bills what it earns, and turns its operations into a competitive advantage.