Commingling Funds: How to Address the Problem and Avoid It in the Future (2025)

One of the most common problems for startup founders is the commingling of funds: when you pay for personal transactions from a business account, or visa versa.

The solution to commingling funds is simple but tedious. You must identify and reclassify the transactions as fringe benefits or as loans from your company to yourself. You’ll reimburse yourself if you’ve used personal accounts to pay for business expenses.

We’ll break down the step-by-step process for implementing these solutions, explain why commingling funds is risky in the first place, and show you how to make separating funds easier in the future.

Table of Contents

What Are the Consequences of Commingling Business and Personal Funds?

Quite a few issues can arise if you mix your business and personal funds— from minor inconveniences to high financial costs and even legal trouble.

Tracking Expenses Accurately Is Difficult

How profitable were you last year? Last quarter? Mixing funds makes this information difficult to track. Future investors or creditors will want to know your financials, not to mention the confusion this will bring come tax time.

Claiming Tax Deductions is Harder

When running a business, saving the maximum amount of money with tax deductions is vital to maintaining financial health. However, you can’t deduct what you don’t document and shouldn’t deduct what you can’t prove was a business expense. Mistakenly taking personal expenses as small business tax deductions also opens you to risk during an audit.

You May Lose the Liability Protection Your Company Provides

Under normal circumstances, running business funds through your company protects your personal assets from creditors. If the company goes bankrupt, creditors are only allowed to liquidate the company, not personally owned assets.

However, commingling funds ends this protection in what lawyers call “piercing the corporate veil.” A pierced veil means creditors can take you to court, argue that your “business” and “you” are not separate, and come for your private belongings.

Related: Learn how liability protection defines the difference between Sole Proprietorships vs. LLCs

Is Commingling Funds a Crime?

Most of the time, commingling funds is an honest mistake, but there are scenarios where it can land you in serious trouble.

  • If you’re part of a multi-member LLC or corporation, your fellow owners may consider commingling funds as a form of theft.
  • Taking out a loan in the business name and spending that money for personal rather than business purposes is seen as fraud in the eyes of the law.
  • In the legal, real estate, or financial services industries, commingling client funds with personal is illegal.
  • Individuals with a fiduciary responsibility to clients, such as trustees or financial advisors, must separate client funds.
Commingling Funds: How to Address the Problem and Avoid It in the Future (2)

How Do I Correct Commingling Funds?

It’s understandable, even common, for entrepreneurs to find that their business has been commingling funds. And when your business is still young, the risks associated with commingling funds may feel far off.

But commingling funds can have severe consequences for your business or personal assets. So here’s how to fix the mistake:

Step 1: Find the Transactions

Comb your business financials and find every transaction that looks like a personal expense. This step can be time-consuming, especially if your business has a lot of transactions throughout the year. But it’s essential to be thorough to ensure you’ve caught everything.

Indinero’s online bookkeeping services are here to help with this tedious task.

Certain expenses are more likely to be flagged by the IRS: hotels, travel, meals, groceries, car payments, rent, cosmetics, clothes, and entertainment. Anything categorized as miscellaneous may pique the IRS’s interest as well.

Step 2: Re-Classify as Fringe Benefits or Loans

Once you have found your personal transactions, it’s time to decide how you would like them treated.

Fringe Benefits

The most straightforward practice is to amend your payroll reports and recategorize the commingled purchase as fringe benefit compensation.

The IRS’s Employer’s Tax Guide to Fringe Benefits defines a fringe benefit as a “form of payment for the performance of services.” In their eyes, this personal expense is just as much a form of compensation as their salary.

In other words, making personal purchases (like a haircut) on a business account is no problem if you include the spending in your payroll as a fringe benefit.

This process will result in taxable income to the shareholder. If this were the only transaction, the shareholder would receive a W-2 for that amount at the end of the year, even though they never actually received any cash. The company would then receive a deduction for the amount because it did not receive a deduction when it was first recorded as a shareholder loan.

Popular accounting tools will have features allowing you to note transactions as fringe benefits. If you’re not using one, create a written document detailing the time, purpose, and price alongside a note indicating the new classification.

A Loan From the Company to You

Fringe benefits may be the easiest way to deal with commingled funds, but they come with a significant drawback: The spending will now be counted as income, subject to income and payroll tax.

Avoid this issue by treating the situation as if the company had loaned the shareholder money. While changing the nature of a transaction after the fact isn’t technically allowed, tax professionals are known to do this. Proceed with caution. While rebooking the transaction as a loan is unlikely to raise red flags, it isn’t technically allowed, as any true loan should be part of a proper loan agreement.

Having an experienced tax expert on your side is best for this approach. If you’d like to outsource the tedium of this task while avoiding payroll and income tax along the way, indinero’s online bookkeeping services are here to help.

Additionally, if your company is an LLC or S-Corp, after classifying the transaction as a loan, you may have the option of treating it as a reduction of your capital account. While capital reductions are tax-free (depending on the partner or shareholder’s basis in the company), smaller businesses usually do not have large enough capital accounts to handle this.

Step 3: Pay Tax on the Fringe Benefit or Pay Back the Loan

With the fringe benefit route, you’ll process a cashless bonus via your payroll provider. The gross amount of the bonus and proper payroll taxes and withholdings will be spent. You can have your payroll provider debit the payroll taxes but not process the amount, and you have effectively paid back your company for personal expenses throughout the year.

If treating this as a loan, simply pay back the loan amount with your personal funds.

What if I’ve Paid for a Business Expense With a Personal Account?

This one is a more straightforward solution. Simply reimburse yourself for the amount of the expense in the same manner that you usually pay yourself.

How to Avoid Commingling Funds in the Future

Fixing commingled funds can be a major headache, so it’s best to have a system for keeping your books in order. Separating personal and business accounts between different banks is the most effective method. By doing so, you’ll not only have separate credit and debit cards, but you’ll also have a better sense of separation between the funds.

Drawing the Line Between Personal and Business

If you’re new to running a business, you may wonder how to tell the difference between personal and business expenses. What are you allowed to deduct? We’ve written about small business tax deductions before, but simply put:

The IRS defines what qualifies as a business expense:

“The tax law requires business expenses to be ordinary, or common and acceptable in your trade or business, and necessary, or helpful and appropriate for your trade or business.”
IRS

Conclusion

Commingling funds can be a serious problem. It opens you to personal liability for business debts and potential legal issues. Fortunately, there are solutions: classifying personal expenses as fringe benefits or as loans from the business to yourself, are the methods accounting professionals recommend.

Going forward, it’s best to maintain separate bank accounts for personal and business spending, as well as to keep your books diligently.

If you find yourself needing to fix things retroactively and don’t have the time to untangle the problem yourself, indinero accounting and tax services can manage the issue for you.

Commingling Funds: How to Address the Problem and Avoid It in the Future (2025)

FAQs

Commingling Funds: How to Address the Problem and Avoid It in the Future? ›

Potential Consequences of Commingling Funds

Commingling of client funds also can constitute conversion, which may entitle the client to file a lawsuit against the lawyer to recover the funds belonging to the client that have been lost due to the lawyer's commingling.

Why should you avoid commingling funds? ›

Potential Consequences of Commingling Funds

Commingling of client funds also can constitute conversion, which may entitle the client to file a lawsuit against the lawyer to recover the funds belonging to the client that have been lost due to the lawyer's commingling.

How does a law firm avoid commingling? ›

ABA Model Rule 1.15, the rule upon which many states' rules are based, requires that lawyers avoid commingling by keeping the funds of clients and third persons separate from those of the lawyer. Commingling occurs when a lawyer holds his or her own funds in the same account that is holding client or third party funds.

What is commingling of funds? ›

Commingling refers broadly to the mixing of funds belonging to one party with funds belonging to another party. It most often describes a fiduciary's improper mixing of their personal funds with funds belonging to a client.

What is the commingling rule? ›

This means that a portion of the asset belonged to one of you before you got married but got mixed in with property accrued after the marriage. In a divorce, commingled property is neither separate nor community property and must be divided before it can be included in a divorce settlement.

How to fix commingling of funds? ›

How Do I Correct Commingling Funds?
  1. Step 1: Find the Transactions. Comb your business financials and find every transaction that looks like a personal expense. ...
  2. Step 2: Re-Classify as Fringe Benefits or Loans. ...
  3. Step 3: Pay Tax on the Fringe Benefit or Pay Back the Loan.
Sep 18, 2024

What is the commingling risk? ›

Definition for : Comingling risk

The "comingling Risk" designates the Risk that Assets owned legally by a third party become - in case of Bankruptcy - comingled (mixed) with the Bankruptcy estate.

What is an action licensees can take to avoid commingling funds? ›

Trust Accounts: To avoid commingling, real estate professionals are required to maintain separate trust or escrow accounts where all client funds are deposited and managed separately from their own funds.

What are the advantages of commingling funds? ›

Advantages of Commingled Trust Funds

The ability to manage combined assets in a single fund creates cost efficiencies and reduces reporting and administration fees. Marketing expenses are minimized, as commingled trust funds are not publicly-traded and usually target a smaller group of investors.

What are the disadvantages of commingling? ›

Disadvantage. A disadvantage of commingled funds is that they do not have ticker symbols and are not publicly traded. This lack of public information can make it difficult for outside investors to track the fund's capital gains, dividends, and interest income.

What does the IRS say about commingling funds? ›

The Risks of Commingling Funds

This could put your personal assets at risk if your business is audited or sued. Tax Audits: Claiming personal expenses as business expenses can also trigger red flags with the IRS. If audited, you could face penalties, interest fees, and even legal actions.

What is an example of a commingled fund? ›

Real estate investment trusts (REITs) are commingled funds. Individuals pool money together to invest in large real estate projects. The trusts themselves are usually operating companies that own and operate income-producing real estate assets like apartments, shopping centers, and office buildings.

What is evidence of commingling of finances? ›

Evidence of sharing finances

Commingling some finances can help show evidence of a good faith marriage. Use these documents to show evidence of shared finances: Bank statements for joint accounts showing both names. Statements for loans where one spouse is a co-signer for the other spouse.

How to avoid commingling funds LLC? ›

The easiest way to avoid commingling funds is to set up a dedicated business checking and savings account. If you need credit, apply for a credit card issued to the company. You'll know that all income and expenses on the account statements will be related to the business, making them easy to track.

Why is commingling funds bad? ›

If your business is structured as an LLC or a corporation, and you have commingled funds, you could lose liability protection. Creditors may be able to make a claim against your personal assets. They could argue that your LLC or corporation isn't a separate legal entity.

Is commingling of funds illegal in all states? ›

The laws about commingling vary across states. But regardless of the rules in your state, real estate brokers should avoid commingling at all costs. In most cases, commingling is considered fraudulent and a serious breach of your fiduciary duty.

Why is commingling bad? ›

Possibility of legal problems

If your business is structured as an LLC or a corporation, and you have commingled funds, you could lose liability protection. Creditors may be able to make a claim against your personal assets. They could argue that your LLC or corporation isn't a separate legal entity.

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