Starting a New Law Firm? The Financial Setup Checklist Every Attorney Needs
- Irvine Bookkeeping
- Jul 2
- 6 min read
By Tammy Hoang, Certified QuickBooks ProAdvisor
Opening a new law firm is exciting, but the financial setup is where many new attorneys feel lost. Law school teaches you how to practice law, not how to structure a firm's bank accounts, set up an IOLTA trust account, or build a chart of accounts that keeps you compliant. The good news is that getting the money side right from day one is mostly a matter of working through a clear checklist. This guide walks a new law firm through the essential financial and law firm bookkeeping setup steps, in order, so your practice starts on a clean, compliant foundation instead of a mess you have to untangle later.
Setting up your finances correctly at the start is far easier than fixing them after a year of mixed transactions. A new law firm that opens the right accounts, separates client funds properly, and starts clean legal bookkeeping immediately avoids the most common and most expensive early mistakes — including the trust accounting errors that put a license at risk. Strong law firm accounting from day one is the foundation everything else is built on, and good legal bookkeeping habits are far easier to start than to retrofit.
What Business Structure Should a New Law Firm Start With?
Before you open a single bank account, your new law firm needs a legal structure and a federal Employer Identification Number, or EIN. Attorneys commonly practice as a sole proprietorship, a professional corporation, or a professional limited liability company, depending on the state and the firm's goals. The structure you choose affects your taxes, your liability, and how your law firm bookkeeping is organized, so it is worth a short conversation with a CPA or attorney before you commit. Once the entity is formed, apply for an EIN from the IRS — it is free, takes minutes online, and every business bank account will require it.
Decide on your entity type (sole proprietor, professional corporation, or PLLC) with professional guidance.
Register the entity with your state as required.
Apply for a free EIN from the IRS.
Keep your formation documents and EIN letter somewhere you can find them — your bookkeeper and CPA will both need them.
Which Bank Accounts Does a New Law Firm Need?
Every new law firm needs, at minimum, three bank accounts: an operating checking account for day-to-day income and expenses, an operating savings account for taxes and reserves, and an IOLTA trust account for client funds. The IOLTA account is the one with special rules. In California, it must be opened at a State Bar-approved financial institution, because those banks agree to report any trust account overdraft directly to the State Bar. Keeping firm money and client money in completely separate accounts from day one is the single most important habit in law firm bookkeeping, and it is much easier to start separate than to untangle later.
Open an operating checking account in the firm's name using your EIN.
Open an operating savings account to set aside taxes and build a reserve.
Open an IOLTA trust account at a State Bar-approved bank for client funds.
For large or long-held client funds, ask about a separate interest-bearing client trust account.
Order checks and set up online access for each account.
Never, ever mix client money and firm money — that is commingling, and it is a serious violation.
How Should a New Law Firm Set Up Its Chart of Accounts?
Your chart of accounts is the backbone of your law firm bookkeeping — the organized list of every account your firm uses to record money. A law firm chart of accounts is different from a generic business one because it must keep client trust funds completely separate from firm funds. That means dedicated accounts for your IOLTA trust liability, advanced client costs (money you front for filing fees and experts, tracked as a reimbursable asset, not an expense), and unearned retainers (recorded as a liability until earned). Setting these up correctly at the start is what makes every later reconciliation simple and every tax season clean.
Create separate accounts for operating funds and trust (IOLTA) funds.
Set up a trust liability account so the IOLTA balance always equals what you owe clients.
Add an advanced client costs account as an asset, not an expense.
Record unearned retainers as a liability until the work is earned.
Set up income accounts by practice area if you want to see what is most profitable.
If this feels complex, this is exactly the step where a legal bookkeeping specialist saves a new firm the most.
What Software Does a New Law Firm Need for Bookkeeping?
Most new law firms run on two pieces of software that work together: an accounting platform like QuickBooks Online for the books, and a legal practice management tool like Clio for matters, time tracking, and billing. QuickBooks handles your law firm bookkeeping, financial reporting, and trust account tracking, while the practice management software tracks what each client owes and holds in trust. The two should agree with each other — when your practice management system and your books disagree about a client's trust balance, something is wrong. Setting both up correctly at launch, with a clean connection between them, prevents months of cleanup down the road.
Choose an accounting platform (QuickBooks Online is the most common for law firms).
Choose a legal practice management tool (such as Clio) for matters, time, and billing.
Connect your bank accounts to your accounting software for automatic transaction feeds.
Confirm your trust balances match between your books and your practice management software.
Set up a simple, repeatable filing system for receipts and statements from day one.
Starting a Firm? Set Up Your Books Right the First Time.
Irvine Bookkeeping helps new California law firms set up their chart of accounts, IOLTA tracking, and bookkeeping system from day one. Book your free 30-minute consultation with Tammy Hoang, Certified QuickBooks ProAdvisor.
How Does a New Firm Stay Compliant With Trust Accounting?
From the very first client retainer, your new law firm is responsible for handling client money under strict rules. The core habit is the monthly three-way reconciliation: every month, the IOLTA account bank balance, the trust balance in your books, and the sum of every client ledger must all match to the penny. Starting this three-way reconciliation routine with your very first trust deposit means it is never a scramble. California also requires keeping a separate client ledger for each client, notifying clients when you receive their funds, and retaining trust records for five years. Building these law firm accounting habits into your bookkeeping from day one is what keeps a new firm permanently on the right side of the State Bar, and a clean client ledger for every client is the heart of it.
Keep a separate trust ledger for every client.
Reconcile your IOLTA account three ways every single month, starting with the first deposit.
Only move money from trust to operating after fees are actually earned and invoiced.
Notify clients promptly when you receive their funds.
Retain all trust account records for at least five years.
Never pay firm operating expenses from the trust account.
Should a New Attorney Do Their Own Books or Hire Help?
In the very early days, many solo attorneys keep their own books to save money, and with a clean setup and few transactions that can work for a while. The risk is time and trust accounting: the hours you spend wrestling with your books are hours not spent on billable work, and the IOLTA rules leave no room for honest mistakes. Many new law firms reach a point where handing the law firm bookkeeping to a specialist pays for itself — both in recovered time and in the peace of mind that the trust account is always compliant. Professional law firm bookkeeping services and experienced legal bookkeeping support exist precisely for this reason. Whichever path you choose, the most important thing is to start with a correct setup, because clean books are far cheaper to maintain than to repair.
Start Your Law Firm on a Clean Financial Foundation
Launching a new law firm is one of the biggest moves of an attorney's career, and the financial setup deserves the same care as the legal work. Form your entity and get your EIN, open separate operating and IOLTA accounts, build a proper chart of accounts, choose software that works together, and start your monthly three-way reconciliation from the very first deposit. Sound law firm accounting and reliable law firm bookkeeping services turn this checklist into a lasting system, and a disciplined three-way reconciliation each month keeps it compliant. Do those things in order and your new law firm begins life compliant, organized, and ready to grow.
Irvine Bookkeeping helps new California law firms set up their books the right way from day one — chart of accounts, IOLTA tracking, software setup, and clean monthly law firm bookkeeping. Our law firm bookkeeping services give a new firm professional law firm accounting from the start, so your foundation is solid and you can focus on building your practice instead of fixing your finances later. If you are opening a firm, the best time to get the books right is before the first transaction. Book your free 30-minute consultation today.
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Disclaimer: This article is for general informational and educational purposes only and does not constitute legal, tax, or financial advice. Business entity, tax, and trust accounting rules vary by state and change over time. Consult a qualified attorney, CPA, and your State Bar for guidance specific to your firm, and verify current requirements at calbar.ca.gov and irs.gov. |
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