There are two clocks here: how long the paperwork takes you, and how long the state takes to approve it. The first is usually an afternoon. The second is the one that varies, from same-day to a few weeks.
Once you submit your articles of organization, approval time depends entirely on the state and how you file. Many states approve online filings the same day or within a few business days. Mailed paper filings take longer, often one to three weeks, sometimes more during busy periods. A handful of states are consistently fast; a few are consistently slow. Most offer paid expedited processing if you are in a hurry.
Before you file, you handle a short checklist:
None of that is slow. The waiting is almost entirely on the state's side.
File online rather than by mail wherever your state allows it. Pay for expedited processing if your state offers it and the timeline matters. Have your name, agent, and details ready before you start so you are not filing in pieces. And apply for your EIN online the moment the LLC is approved, since that part is instant.
In a fast online state with everything ready, you can go from start to an approved LLC with an EIN in a single day. In a slower state filing by mail, plan for two to three weeks. Either way, the prep is short and the variable is your state. Walk through the steps in how to start an LLC.
Speed comes down to how a state processes filings. States with a modern online portal that approves automatically can clear an LLC in minutes to a day. States that still route filings to a person for manual review, or that only take paper by mail, run slower, especially near year-end and tax season when filings spike. Expedited service, where offered, essentially moves your filing to the front of that manual queue for a fee.
Anywhere from the same day to about three weeks. Many states approve online filings same-day or within a few business days, while mailed paper filings often take one to three weeks. Your state and filing method decide it.
File online instead of by mail, pay for expedited processing if your state offers it, and have your name, registered agent, and details ready before you start. Apply for your EIN online right after approval, since that is issued instantly.
Immediately, if you apply online with the IRS during its available hours. The EIN is issued at the end of the online session, so it does not add to your wait once the LLC itself is approved.
It is best to wait for approval before signing contracts or opening a business bank account in the LLC's name, since the entity does not legally exist until the state approves it. You can do all the prep work in the meantime.
Priya covers tax, regulation, and compliance: the rules that decide what you can and cannot do, usually filed in an obscure subsection that most people skip. She reads federal register notices in her spare time and is at peace with that being unusual.