Top IOLTA Trust Account Mistakes to Avoid

Executive Summary & Key Points

The Big Picture

Trust accounting is not just bookkeeping. It is one of the fastest ways an attorney can lose their license. I have seen strong firms collapse because of simple IOLTA trust account mistakes that could have been avoided with the right systems.

Most violations are not intentional. They happen because attorneys rely on memory, outdated processes, or untrained staff. The bar does not care about intent. If client funds are mishandled, the consequences are severe.

The Cheat Sheet

• Commingling funds is the number one reason attorneys get disbarred
• Failing to reconcile accounts leads to hidden errors and shortages
• Using trust funds before they are earned or cleared is a major violation
• Poor systems and lack of oversight create compliance risk
• Automation and regular reviews are the safest way to stay compliant

The Business of Law and Why Trust Accounting Matters

Running a law firm is running a business. Revenue flows in, expenses go out, and systems must be in place to track everything. But trust accounts are different from operating accounts. They are not your money.

When trust accounting fails, the financial impact is immediate:

• Client funds can be lost or misused
• The firm can face audits, fines, and penalties
• Your license and reputation are at risk

Even a small error can trigger a full audit. Once that happens, every transaction is reviewed. If your records are not clean, the problem grows fast.

This is why IOLTA trust account mistakes are one of the biggest risks for attorneys, especially solo and small firms without strong accounting systems.

Mistake #1: Commingling Funds

Why It Matters

Commingling means mixing client funds with your own money. This is the fastest way to get flagged by the bar. It shows a lack of control and creates a risk that client money could be used improperly.

How It Works

Commingling happens when:

• You deposit client funds into your operating account
• You pay firm expenses directly from the trust account
• You leave earned fees sitting in the trust account too long
• You move money without proper documentation

Even small actions, like covering a bank fee from the wrong account, can count as commingling.

CPA Pro Tip

Keep your accounts clean and separate at all times. Use accounting software like Clio or Practice Panther that tracks trust and operating accounts separately. Never rely on memory to determine what belongs where.

Mistake #2: Failing to Perform Proper Reconciliation

Why It Matters

If you are not reconciling your trust account monthly, you have no idea if the balance is correct. Errors build quietly and can go unnoticed for months.

After working with law firms for ten years, I can confidently say, this is the most common issue we see when a new client starts working with us.  They may have been reconciling their trust account against their bank statement, but what they don’t do is then reconcile that balance to their CLio or Practice Panther trust ledger.

As a test, to see if you are compliant, ask your bookkeeper to review the last three-way reconciliation with YOU.  Two things will happen.  You’ll either be confident that it’s done right, or you’ll know that it’s not.  If it’s not, call us immediately and we can help you get it straight.

How It Works

Proper reconciliation includes:

• Comparing bank statements to your accounting records
• Matching client ledger balances to the total trust balance
• Performing three-way reconciliation (bank, book, client ledger)
• Reviewing discrepancies immediately

Without this process, you cannot prove compliance during an audit.

CPA Pro Tip

Three-way reconciliation is not optional. It is required. If your system cannot produce this report quickly, you are already at risk.

Mistake #3: Using Trust Funds Before They Are Earned

Why It Matters

Client funds in a trust account are not yours until they are earned. Taking money early, even by mistake, is considered misuse of client funds.

How It Works

This mistake happens when:

• You transfer retainers before work is completed
• You assume a payment has cleared when it has not
• You bill incorrectly and withdraw too much
• You fail to track earned vs. unearned fees

Timing is critical. Even a one-day error can create a violation.

CPA Pro Tip

Set clear rules for when funds can be moved. Only transfer money after:

1. The work is completed
2. The invoice is issued
3. The payment has fully cleared

Automate this process where possible to remove human error.  

Mistake #4: Poor Recordkeeping and Documentation

Why It Matters

If it is not documented, it did not happen. During an audit, you must prove every transaction. Missing records create immediate red flags. If your recordkeeping process feels unclear or inconsistent, read our guide on Receipts and Recordkeeping Made Simple to build a stronger foundation.

How It Works
Common recordkeeping issues include:

• Missing client ledgers
• Incomplete transaction notes
• Lack of audit trail for transfers
• Disorganized or inconsistent reports

Good records should clearly show:

• Who the money belongs to
• Why it was received
• When and why it was moved

CPA Pro Tip
Every transaction should answer three questions: whose money, why it moved, and where it went. If you cannot answer these quickly, your system needs work.

Mistake #5: Relying on Untrained Staff or No System at All

Why It Matters

Many attorneys delegate trust accounting without proper oversight. This creates risk because the attorney is still fully responsible for compliance.

What we see happen the most is you hire a receptionist and decide they can become a bookkeeper too.  Or you put someone in charge of invoicing, and then decide they can do the full trust accounting as well.  Unfortunately,this rarely works.

How It Works

This mistake shows up when:

• Staff are not trained in IOLTA rules
• No written procedures exist
• Tasks are handled inconsistently
• No one reviews the work regularly

Even a good employee can make a mistake if they do not understand the rules.

CPA Pro Tip

Trust accounting should follow a documented process. Train your staff, but also review reports monthly. Accountability must stay with the attorney.

Additional Considerations Most Attorneys Miss

Even firms that avoid major mistakes often miss smaller issues that still create risk.

These include:

• Not accounting for bank fees correctly
• Leaving small balances (“orphan funds”) in trust accounts
• Failing to update processes as the firm grows
• Not using integrated software like Clio or Practice Panther for tracking
• Ignoring early warning signs, like small discrepancies

These issues may seem minor, but they often lead to larger problems over time.

The biggest missed opportunity is system design. Firms that invest in strong accounting systems early avoid most compliance issues entirely.

FAQ Section

Conclusion

Trust accounting is not an area where you can afford to guess. The risks are too high, and the rules are strict. Most IOLTA trust account mistakes come from weak systems, not bad intentions.

When you build strong processes, use the right tools, and review your numbers consistently, compliance becomes manageable. This also creates better financial visibility, which supports smarter tax planning and firm growth.

In the end, the firms that succeed long-term are the ones that treat accounting as a core system, not an afterthought.

If you are not 100% confident in your trust accounting system, now is the time to fix it. A Aligned CPA, we can review your setup to give you peace of mind that it’s correct, or help you develop a plan to get it in compliance. Book a meeting to review your firm’s setup and identify risks before they become problems.