What happens when the bookkeeper who has run a law firm's trust accounts for 20 years gives notice in February? In this hypothetical, the Law Society annual report is due in about six weeks, and nobody else in the office knows how the monthly trust comparison gets built. The partners sign the filing but can't explain the numbers behind it.
A law firm bookkeeper or accountant holds a compliance seat, and a general bookkeeping background won't cover it. If your firm has roughly 5 to 75 lawyers and you're replacing a long-serving bookkeeper or adding your first in-house accountant or controller, screen for the Law Society's trust rules before you hire.
What a Law Firm Accountant Owns
A law firm accountant runs two sets of books, trust and general, and keeps them from ever mixing.
Day to day, that means:
- Client trust ledgers, one per client file
- Trust receipts and disbursements journals
- The monthly trust comparison of bank reconciliation, client listing and journals
- General account billing and collections
- WIP and unbilled disbursements
- HST on fees and taxable disbursements
- Partner draws and capital accounts
- Payroll
Accountants new to legal often miss one detail: interest on a mixed trust account (one pooled account holding money for many clients) goes to the Law Foundation of Ontario rather than to the firm, and by law 75% of the net income flows to Legal Aid Ontario.
Trust Accounting at a Law Firm: The Law Society Rules Your Accountant Must Know
Your accountant must know four requirements in By-Law 9, the Law Society of Ontario's rule on trust accounting and records: the monthly trust comparison, record retention, the cash limit and the annual report. The rules apply to licensees (the lawyers and paralegals the Law Society licenses), but in practice your accountant does the work.
- Monthly trust comparison. Each month's comparison must be done by the 25th of the following month.
- Record retention. Depending on the record, books must be kept for six or ten years plus the current year.
- Cash limit. Licensees face a $7,500 cash limit on any one client file, with narrow exceptions.
- Annual report. Each licensee files an annual report due March 31 covering the previous year. The accountant usually prepares the trust and financial answers that each licensee signs.
Law Firm Bookkeeper, Accountant or Controller: Which Seat Fits Your Firm
Firms under about 10 lawyers usually need an experienced law firm bookkeeper, firms of 10 to 40 an in-house accountant, and firms of 40 or more a controller or director of finance.
Ontario has 9,601 legal services employer establishments and 46,654 practising lawyers, and about three-quarters of Canada's legal establishments employ fewer than five people. Heavy real estate or litigation trust volume, or several partners, can push a smaller firm up a level.
| Firm profile | Seat that usually fits | What the seat owns |
|---|---|---|
| Under about 10 lawyers, steady trust activity | Experienced legal bookkeeper | Trust ledgers, journals and monthly comparison; external CPA handles year-end |
| 10 to 40 lawyers, real estate or litigation trust volume, multiple partners | In-house law firm accountant | Trust and general books, billing, WIP, HST, partner draws |
| 40+ lawyers or multiple offices | Controller or director of finance | All of the above plus budgeting, partner compensation modelling, lender reporting, system oversight |
Our controller or CFO guide covers the top seat. Our CPA vs. accountant guide covers whether the hire needs a designation.
WIP, Billing and Partner Draws: The General-Side Skills
On the general side, screen for four skills: tracking realization (how much recorded time gets billed and collected), tracking WIP (work in progress, meaning time recorded but not yet billed), moving retainers out of trust, and modelling partner draws. This is the account that sets what partners take home.
A strong candidate tracks realization rates, aged WIP and aged receivables. They know a retainer moves from trust to general only after a bill is sent for completed work. They also model partner draws against expected profit and settle the difference between draws and actual profit at year-end.
Say partners draw a fixed amount each month against a forecast built on WIP. If that WIP includes time that will never be billed or collected, December shows a shortfall. An accountant who flags old, unbillable WIP in June gives partners six months to adjust their draws.
How to Screen a Law Firm Accountant Before You Hire
Test trust fluency with a 45-minute practical exercise.
Give the candidate a one-month trust bank statement, a client trust listing and a trust receipts journal with two planted errors: an overdrawn client ledger, and a deposit that wasn't made by the next banking day. Ask them to build the comparison, find both problems and explain what needs to be reported.
Then ask these three questions (a spot audit is the Law Society's review of a firm's books):
- "Walk me through your last spot audit."
- "When can you move a retainer from trust to general?"
- "What would you do if a partner asked you to cover a shortfall from another client's ledger?"
The only right answer to the last one is no, given right away, with the reason. Partner Jack Kalb, CA, CPA, who started in audit at EY, leads our accounting and finance practice. That team and our legal team review both the technical work and how a candidate will work with your partners and staff.
Pay, Timing and Where These Candidates Come From
Most experienced legal accountants come from other law firms, so plan a direct search that runs outside annual report season and your year-end. Our salary guide has current pay ranges.
Good candidates rarely walk away from their current firm mid-filing, and notice periods push start dates further out. If your bookkeeper resigns weeks before the filing, start the search at once and use the notice period to get the trust comparison and annual report steps on paper, with your external CPA firm reviewing the filing. If you have a gap, cover it internally while the search runs. Our law firm recruitment team makes permanent placements only.
FAQ
Does a law firm accountant need to be a CPA?
No, the Law Society's rules don't require a designation. Hands-on trust experience matters more for bookkeeper and accountant seats. The designation starts to matter at the controller level.
Who is responsible if our bookkeeper gets trust reconciliations wrong?
The licensee is responsible for the firm's trust records. The Law Society's rules put the record-keeping obligation on lawyers and paralegals, so a bookkeeper's error is still the licensee's problem in a spot audit.
Can a general accountant learn law firm trust accounting on the job?
A strong accountant can learn trust accounting at a law firm with a mentor to check their work. It's risky when they're the firm's only finance person, because nobody catches a missed deadline or a mixed deposit until it becomes a reporting issue.
Should one person handle both trust and general accounts?
In small firms one person often does, so a partner should review and sign off on each monthly trust comparison. Larger firms can split the two, so someone else checks each person's work.
Minted Search Group: Your Ally for the Seat That Protects the Licence
Minted Search Group is built for this hire, because our accounting and legal practices work side by side.
Our accounting team tests candidates on trust comparisons, retainers and By-Law 9 before you meet them, and our legal team knows how law firms run day to day. Most strong legal accountants aren't looking, so we reach them through our network, send you a curated shortlist, and plan the search around your annual report and year-end.
If you're weighing this seat, we'll tell you who's available and how long a permanent search will take. Talk to Minted Search Group. No Pressure, Just Possibilities.
