Fractional CFO for law firms and what the service costs

Law firms do not get paid when the work is done. Hourly work sits as unbilled time, then as a bill, then as a receivable, and only then becomes cash. Contingency practices advance case costs for months or years and then receive a large, irregular settlement. Partners draw money out along the way, often on a schedule that ignores the timing of collections. The result is a firm that looks busy and profitable on paper and still borrows to make payroll.

Trust money adds a compliance layer that generalist finance people often miss. Client funds held under the rules based on ABA Model Rule 1.15, usually in IOLTA accounts, must be reconciled carefully and kept separate from operating cash. A CFO who has worked with law firms knows that the trust account is never a source of liquidity and builds the forecast accordingly.

• Builds a 13-week and a 12-month cash forecast that follows billing cycles, collection patterns and case cost advances
• Tracks lock-up, the days between recording time and collecting cash, and works with partners to shorten it
• Measures profitability by practice area, by attorney and by client, including realization on billed and collected time
• Designs a partner draw and distribution policy that matches actual cash instead of booked revenue
• Plans financing for contingency cases, including lines of credit and the cost of litigation funding offers
• Sets the annual budget, rate increases and hiring plan for associates and staff
• Reviews trust accounting controls with your bookkeeper and outside CPA
• Prepares the numbers for a merger, a lateral group joining, a new office or a partner buy-in or buyout

As a general US market range, fractional CFOs charge roughly $150 to $500 per hour, and monthly retainers for one to three days a week commonly run between $4,000 and $15,000. A small firm that needs a cash forecast and a monthly partner meeting sits at the low end. A firm with several offices, a contingency docket that needs financing, or a merger on the table sits at the top. Each expert sets their own rate.

A full-time law firm CFO is usually a six-figure salary plus benefits and bonus, so a fractional engagement covers the same judgment for a fraction of that cost. Our fractional CFO cost guide explains how to compare quotes and what a day of CFO time should include.

• Partners take draws in good months and have to pay money back, or borrow, in bad ones
• The firm has never measured profit by practice area or by attorney
• Unbilled time and receivables keep growing even though the team is busy
• A contingency case needs financing and nobody has modeled the true cost
• The firm crossed about 10 attorneys and the administrator is stretched across finance, HR and IT
• A merger, a new office, a lateral group or a retiring founding partner is on the calendar

If your firm is smaller and the main need is a reliable monthly close, compare the role with part time CFO services built for small businesses.

These three roles complement each other, and a fractional CFO does not replace your administrator.

Many firms find the best setup is an administrator running operations, a CPA handling tax, and a fractional CFO a few days a month making the forward-looking calls.

Before a firm borrows, a CFO looks at how fast bills turn into cash. Shorter billing cycles, clear engagement letters with payment terms, retainers on new matters and consistent follow-up on overdue invoices often free up more cash than a new credit line. Firms that send many invoices each month can add automated invoice reminders so attorneys stop chasing payment by hand and the CFO's forecast gets more reliable. The CFO then sets targets for realization and collection by attorney and reviews them at the monthly partner meeting.

• How many law firms have you worked with, and what size and practice mix were they
• How do you treat trust accounts in the cash forecast
• Have you designed a partner draw or compensation model, and how did it change behavior
• Which practice management and accounting systems have you worked in
• What does a typical month look like, and which meetings do you attend
• What will we know after 90 days that we do not know today

A paid expert consultation of 60 minutes is a low-risk way to hear those answers before you commit to a retainer.

You describe the problem in one sentence. ExpertMatcher structures it into a match brief with the role, the legal industry, weighted competencies such as partner economics, contingency financing or trust accounting, plus budget band and timeline. You see a shortlist of verified CFOs with a fit score per criterion, published rates and real availability. Send an NDA, book a call, agree a retainer or a fixed project with a SOW, and pay by card or ACH with one invoice. The full flow is on how it works, and the role overview is on our fractional CFO page. Contractors and other project-based businesses have similar cash timing problems, which is why we also match a fractional CFO for construction companies. If the firm's growth problem is new clients rather than cash, see our guide to a fractional CMO for law firms.