How You Sign Your Name Could Put
Your Personal Assets at Risk

The letter comes to your house, not the shop. It's a collection notice for a business debt — a supplier account, an equipment lease, a line of credit — and it's addressed to you personally. You set up an LLC specifically so this couldn't happen. So how did it?

Almost always, the answer is a signature. Not a fraud or a lawsuit gone wrong — a few seconds at the bottom of a page, signed the way most owners sign everything: with their own name. I've spent years reading loan files from the lender's side, and I can tell you that the documents protecting a business owner and the documents exposing them often look identical until you read the signature block and the paragraph just above it.

By Carrie Anderson

Co-Founder, 406 Consulting Group

Former corporate controller and contracted commercial loan analyst for a Montana community bank — 300+ commercial loans spread, packaged, and recommended.

An LLC or corporation is a separate legal person. When it signs a contract, itowes the debt — and your house, savings, and personal accounts stay out of reach. That's the whole point of forming one.

But a company can't hold a pen. A person always signs for it, and the paperwork has to make clear which person is on the hook: the company, or the human holding the pen. When that isn't clear, the other side will argue it was you. Sometimes they win.

Those three things decide whether the protection you paid for actually holds. The rest of this guide takes them one at a time.

A proper signature block says three things: who is agreeing (the company), who is signing for it (you), and in what role(your title). The word "By" is what turns your signature into the company's.

Your title should match how your company is actually set up. A title that doesn't exist in your entity, or one as vague as "Owner," gives the other side room to argue.

Not sure which structure fits? Our business entity guide walks through the options, and when to change your entity covers the signs it's time to move.

A perfect signature block can't save a contract whose first paragraph names the wrong party. Courts read the whole document, and in several states they've held owners personally liable even when the owner signed with a title — because the text of the agreement said the owner was a party.

This is where most owners get caught. A personal guarantee doesn't always come as a separate document labeled "Guaranty." It's often a single sentence on a one-page form, right above the signature line:

"In consideration of credit extended to the Applicant, the undersigned personally, unconditionally, and irrevocably guarantees payment of all amounts owed…"

Courts have repeatedly enforced language like this even when the owner signed "as President" or "as Member." The title says you signed for the company; the sentence above it says you guaranteed the debt yourself. The sentence usually wins.

Where these guarantees usually hide:

Not every guarantee is a trap. For most small business loans, a personal guarantee is simply the price of admission — a lender wants to know the owner has skin in the game. The goal isn't to avoid every guarantee. It's to know exactly what you've signed and to negotiate the terms you can.

"Your leverage to negotiate a guarantee is your financials. Clean, current books are what let you ask for better terms — and get them."

That's exactly what our loan readiness work is for. See what lenders actually look for in what banks look at for a commercial loan and our lender-ready books checklist.

A common startup mistake: signing the lease, the equipment order, or the first big contract "for" an LLC that hasn't been filed yet. Under the general rule, the person who signs for a company that doesn't exist stays personally responsible — and often remains on the hook even after the company is formed, unless the other party formally releases them.

If you already signed something before formation, ask the other party to sign a short assignment or replacement agreement that moves the contract to the company and releases you.

Even with perfect signatures, a court can set the LLC aside — "pierce the veil" — if the company isn't really operated as separate from its owner. This is where bookkeeping and legal protection overlap, and where we see the most risk build up without anyone noticing.

Clean, separate books are one of the strongest pieces of evidence that your company is real. It's one of the quieter reasons we push every client toward monthly bookkeeping that keeps business and personal money apart.

FAQ: Signing for Your Business