Complete Guide to LLCs

Tax season turns most solo business owners into stressed-out zombies. Last March, a client walked into my office hauling receipts in a Target bag—literally a shopping bag—with zero clue she'd blown past three quarterly deadlines. She'd been running her consulting LLC for eighteen months.

Here's what trips people up: the IRS basically pretends your LLC doesn't exist. You spent money forming this business entity, filed paperwork with your state, opened separate bank accounts—but come tax time, Uncle Sam treats your LLC like it's made of glass. They see straight through to you, the person running things, and tax you accordingly.

Most new LLC owners expect to file separate business returns. Wrong. Your LLC's money becomes your money (at least in the government's eyes), landing directly on your personal 1040. Sounds simple until you're staring at self-employment tax calculations or figuring out quarterly payments. Then add state rules that change every time you cross a border.

I wrote this to save you the confusion. You'll learn exactly which IRS forms to submit, whether you actually need that EIN everyone talks about, and which deductions knock serious money off your tax bill.

How Single Member LLCs Are Taxed by Default

The IRS calls your one-owner LLC a "disregarded entity." Fancy government speak for "we're ignoring your business structure."

Translation? Everything your LLC does financially—every invoice paid, every expense charged, every dollar earned—shows up on Schedule C, which a...