An AI fractional CFO for law firms
Revenue is stronger than ever, but your bank account disagrees.
Keystone does a fractional CFO's job. It reads your statements, runs the monthly review, scores every week and keeps your forecast current.
- Built for firms under $5M
- Every figure is calculated, never guessed
- Never connects to your bank
The method comes from Chelsea Williams, a practicing fractional CFO who works only with law firms.
You know the number that's supposed to be sitting in your business account on payday. You look, and it's not there.
You're not broke. Your calendar says otherwise. Your caseload says otherwise. The checks keep coming in. But at the end of the month you can't explain where the money went, and you make bigger decisions than that on gut feel.
Flying blind
You have no real-time view of what is happening inside the firm.
Always firefighting
Every week goes to whatever is on fire. None of it goes to the strategic work.
The books are a mess
“My books are a mess or nonexistent. I look at my financial reports and they don't make sense.”
So you stop looking
Avoidance is the number one killer. The longer you don't look, the more expensive the answer gets.
The 3-Step Financial Review
One review a month. Three steps, in the same order.
It ends one of two ways: a play worth repeating, or a problem with a deadline.
- Step 1
Structure
It reads the month's books line by line and checks that they hang together.
- Step 2
Circle
It marks what moved and what looks wrong.
- Step 3
The three whys
It keeps asking until the answer resolves into an action.
Where it goes
Money made minus money spent is what you keep.
Revenue is the top line. What you keep is what survives four stages.
Sales and marketing
This is where you buy attention, and where leads come in.
Onboarding
This is where a yes turns into funded work.
Delivery
Your open cases live here, and margin is won or lost here.
Post-nurturing
Past clients send referrals and repeat matters back to the top.
Every filter is a place money leaks out. Most owners watch the first stage, because it feels like growth. The profit is almost always trapped in the third and fourth.
Getting started
Upload one statement and it goes to work.
There is no onboarding period and no setup phase before the numbers mean anything.
Hand it what you already have
Last month's profit and loss, straight from your bookkeeper or your accounting software.
It reads and maps every line
It sorts every line into the right category and shows you what it did, so you can fix anything it read wrong.
You get a read on the first upload
What came in, what went out, what stayed, and the first thing worth a second look.
Keystone never connects to your bank or your accounting software. You bring the statements, and reviewing them is the first step of the method.
Every month you add, it gets further into the firm.
- Your take-home target
- The profit equation
- Expense audit
- Pricing check
- Team profitability
- Cash allocation
- Tax cadence
- Rolling 3-year forecast
How it works
Everything a fractional CFO would do for you, on a schedule.
Keystone does the work and hands you the decision at the end of it.
A financial calendar, so nothing gets missed
Your home screen is a task calendar built from a practicing CFO's checklist, with reminder emails when something comes due.
Know by Friday whether the week worked
It scores leads, consults, retained clients, A/R aging and billable hours green, yellow or red every week, so you stop finding out at month-end.
It starts on the numbers you already have
Hand it last month's profit and loss and it goes to work. There is no collection period and no waiting for a quarter of data to build up.
Your whole financial team in one place
Invite your bookkeeper, accountant, tax preparer and financial planner with scoped, read-only access. You stop forwarding PDFs at 10pm.
A forecast that updates as reality does
The rolling 3-year forecast moves as real numbers land. It is also what your tax preparer and financial planner get walked through.
Ask your numbers a question in plain English
Ask why payroll jumped, or whether you can afford a paralegal. The answer comes back out of your own books.
It runs the audits you would never get around to
Revenue leak audits find money you earned and never collected. The expense reset strips out what you stopped using.
Goals measured against actuals
It tracks your take-home number, your W-2 versus distribution split, your cash reserve and your debt payoff against what actually happened.
The math and your data
The AI never does the math.
The risk is an AI that gets a number wrong and nobody notices for a quarter. We built it so that cannot happen.
The math
Every figure comes from a calculation, not a prediction.
Margins, runway, A/R aging and forecast are computed by fixed, tested code, the same way a spreadsheet formula works. The model is never asked to produce a number.
The model only interprets.
It tells you what changed and what to do about it. That is the only job it has here.
You can always see where a number came from.
Every figure traces back to the statement you uploaded and the calculation that used it.
Your data
No connection to your bank or accounting software
Keystone cannot see your accounts. It only has the statements you choose to upload.
Separated at the database, not by app code
Row-level isolation on every table, so another firm's login cannot read your rows even if the app asked it to. An automated test suite checks it on every schema change.
Statements live in a private store
Uploads go to a non-public bucket behind an authenticated request. There are no public links to your financials.
Everyone you invite is scoped
Access is per capability. Your tax preparer can get the packet and nothing else.
Fit
Who this is for, and who it isn't.
It works at $500K and at $5M. It does not work on someone who isn't ready to look.
This is for you if
- You own a law firm, whether you are solo or growing
- Roughly $5M a year and under, one to twenty people
- You're ready to stop avoiding your numbers
- You want the financial work handled, not taught to you
- You can upload a monthly statement and answer questions about your own firm
This is not for you if
- You want someone to look at it and tell you it's fine
- You're not willing to look honestly at your finances
- You're looking for legal strategy rather than financial
- You're not the decision maker in your firm
- You're past $5M and already have finance staff in house
How this started
A financial architect and her client, who became her co-founder.
It came out of a law firm that nearly went under.
“Your bookkeeper is not going to know this. Your accountant is not going to know this. Your tax preparer, your financial advisor, your banker, none of them are going to know this. This app does.”
“The answer lies in the numbers, whether it's good or bad, whether you like it or you don't.”
Alexis Austin spent weeks losing sleep over questions she could not answer about her own law firm. She is a lawyer. People treat her as the smartest person in the room, and not understanding her own numbers carried enough shame that asking for help felt worse than the problem. She called Chelsea when the pain finally outweighed the fear of being judged.
Chelsea did back-of-the-napkin math on that first call, and Alexis had her first clear-headed day in months before it ended. The firm grew 69% year over year after that. The part Chelsea still points to is smaller: Alexis started asking questions shamelessly, about anything she did not follow, and stopped guessing.
They shared clients for years. Alexis would send over an owner who was drowning, Chelsea would run the same sequence, and it kept working. Then Chelsea saw an AI CFO tool advertised on Facebook, called Alexis, and said she wanted to build a real one and sell it together. It had to be ongoing, showing up every month the way she does, rather than a cleanup you buy once. Alexis built the first version that weekend.
“Your friends make the worst clients, and your clients make the best friends.”
Pricing
The first 60 firms pay less, permanently.
A fractional CFO is a hire. This is a subscription. Keystone is $997 a month, and the first 60 firms in pay less for as long as they stay.
Founding rate
$97/ month
The first 30 firms in. This rate holds for as long as you stay subscribed.
Claim a founding seatSecond group
$267/ month
The next 30 firms, opening once the first 30 are taken.
Standard
$997/ month
The regular price of the platform, for everyone after the first 60 firms.
Each group is thirty firms. Once all 60 seats are taken the price is $997 for everyone after. There is no countdown clock on this page, because the only thing that moves the price is seats getting filled.
Questions
The questions we get asked first.
Is this a course?
No. No lessons, no cohort, no calls, nothing to attend. It is software, and it starts working the moment you upload a statement.
How is this different from hiring a fractional CFO?
A fractional CFO has a rate, a calendar, and a limit on how often you can ask. Keystone does the same work on a schedule and answers at 11pm on a Sunday. It will not sit across a table and negotiate with your landlord.
Why do I upload statements instead of connecting my bank?
Because looking at your own statements every month is the first step of the review. It also means Keystone never has access to your bank or your accounting software.
Do I need to be good with numbers?
No. It does the calculating and explains the result in plain language.
My books are a mess. Can I even start?
That is the normal starting condition. It maps what it can read, shows you the gaps, and does not need clean books to tell you something useful.
My bookkeeper and CPA already handle this.
Your CPA manages your taxes. Your bookkeeper records your transactions. Neither one tells you how to run the firm for profit, and you can invite both of them in here.
Is this right for a solo practitioner?
Yes. A solo has the same four places money leaks, and usually nobody watching any of them.
What makes this different from other financial software?
It is built only for law firms. Trust accounting, contingency pipelines, case costs and realization rates are how law firms make and lose money, and generic tools model none of it.
What does it cost, and is there a free trial?
$997 a month. The first 30 firms pay $97 and the next 30 pay $267, for as long as they stay subscribed. There is no free trial.
Stop guessing at what your firm keeps.
Every month you will know what the firm made, what it kept, and what to do about it.
See where your money's goingBuilt on the method Chelsea Williams uses with her own law-firm clients. Already have an account? Sign in