Just starting out
It's My Business and My Money — Do I Need to Keep Them Separate?
Why This List Exists
When you own 100% of the business, keeping the money separate can feel like a formality nobody really needs. It stops feeling like a formality the day a lender, a court, or the IRS asks you to prove where the business actually ends and you begin. Commingled funds are exactly what courts look at when deciding whether an LLC or S-corp's liability protection still applies, or never really existed. Without separation, there's no way to prove what's a real business expense, shield or no shield. And one pool of money makes it impossible to tell whether the business is actually profitable, or just moving cash in a circle.
The Six Mistakes
01
One Account for Everything
Every dollar — business revenue, personal groceries, an owner's night out — comes out of the same account, no matter what kind of entity is on paper, because it's one person making every decision. For an LLC or S-corp, this is exactly what a court examines when deciding whether to pierce the liability shield. For a DBA, there's no shield to lose, but there's also no way to prove what's a real business expense the day the IRS asks.
02
The "It's My Money" Mentality
The underlying belief that because you own the whole business, there's no real difference between the business's money and your own — ownership feels total, so the boundary feels artificial. The entity is its own legal and financial person whether you treat it that way or not, LLC, S-corp, or DBA alike.
03
No Real Draw or Distribution Process
Money moves out whenever it's needed, in whatever amount, with no consistent pattern, because the owner is the only signer and nothing stops an impulsive transfer. Without a real draw process, there's no way to separate legitimate profit distribution from money that's actually still owed back.
04
Treating a DBA Like Separation Doesn't Matter
Because a DBA offers no liability shield, the owner assumes there's no reason to separate accounts at all — if the law doesn't require it, it feels optional. A DBA with commingled books can't prove its own numbers to a lender, can't cleanly convert into an LLC later, and has no defensible expense trail if the IRS ever asks.
05
Running Personal Purchases Through the Business
Personal expenses get paid from the business account and categorized as business costs because it feels like free tax savings. Misclassified personal expenses are one of the first things an examiner finds, and once one number is wrong, the credibility of every other number on the return goes with it.
06
Separate Accounts, But No Real Equity Tracking
The business has its own bank account, but draws and contributions never get recorded to an actual equity account — they just vanish into "miscellaneous," because opening a second account felt like the whole fix. Without tracking contributions and draws against equity, nobody can tell whether the business is actually profitable or just moving cash in a circle.
How This Actually Catches Up With You
Commingled funds resolve themselves one of two ways — and one is a lot more expensive than the other.
Path A — you catch it yourself
A real business account gets opened, a consistent draw process gets established, and the books get untangled before anyone outside the business is looking. The fix happens quietly, on your own timeline, before it costs you anything but the time to do it.
Path B — someone else catches it first
A lender questions the numbers, a court examines the entity during a lawsuit, or an examiner finds personal expenses buried in the business return. For an LLC or S-corp, that's the liability shield unwound. For anyone, it's disallowed deductions, reconstructed income, and penalties.
The Fix Is Almost Always the Same
1
Open a real business account
Every entity, every time — no exceptions for a DBA.
2
Pay yourself on purpose
A consistent draw or distribution process, not ad hoc withdrawals.
3
Track draws against equity
Every dollar in or out gets recorded to the right account, not "miscellaneous."
4
Keep receipts separated
Personal stays personal, business stays business, no exceptions.
5
Review the account monthly
Not just at tax time, when the trail has already gone cold.
6
Treat it as its own entity
Because legally and financially, whether LLC, S-corp, or DBA, it is one.
Frequently Asked Questions
Do I need a separate bank account if I'm just a sole proprietor with a DBA?
Yes. A DBA has no liability shield to lose, but separation still lets you prove what's a real business expense and have clean books ready if you convert to an LLC later.
Does commingling funds actually put my LLC's liability protection at risk?
Yes. Commingled funds are exactly what courts examine when deciding whether to pierce the corporate veil.
Is it enough to just open a separate business bank account?
It's necessary but not sufficient. Draws and contributions still need to be tracked against an actual equity account.