Documents / LLC Operating Agreement / Illinois
Illinois LLC Operating Agreement
Set the ownership, management, and financial rules for your LLC — single-member or multi-member. Built for Illinois, with the state-specific points that actually change what your document should say.
What Illinois law changes
Illinois does not require an operating agreement to be filed, but the Limited Liability Company Act allows one to override most default rules. Multi-member Illinois LLCs in particular should not rely on the statutory defaults for profit allocation and exit.
Illinois requires an annual report with a filing fee to keep the LLC in good standing, and reinstatement after administrative dissolution costs considerably more than staying current.
Check current figures before you sign. Deposit caps, notice periods and filing deadlines change with each legislative session. For the current position in Illinois, see Illinois Legal Aid Online.
About this document
An operating agreement is the internal constitution of your LLC: who owns what, how profits flow, who decides, and what happens if a member leaves, dies, or wants out. Most states don't legally require one — and that's exactly why skipping it is dangerous: without it, your state's default statute decides these questions for you.
Single-member LLCs benefit too. A written operating agreement is one of the strongest pieces of evidence that the LLC is a genuine separate entity, which is what protects your personal assets if the business is ever sued. Banks and investors routinely ask to see it.
Common questions
Is an operating agreement filed with the state?+
No. It's an internal document — you sign it and keep it with your records. Only the articles of organization are filed publicly.
Do I need one for a single-member LLC?+
Strongly recommended. It reinforces your liability shield, is often required to open a business bank account, and settles what happens to the company if something happens to you.
Member-managed or manager-managed?+
Member-managed (all owners run the business) suits most small LLCs. Manager-managed fits when some owners are passive investors or you want one person clearly in charge. Quill's interview supports both.
LLC Operating Agreement in other states
Not your state? The general llc operating agreement asks which state governs it and adapts accordingly — every US state is supported.
General information about Illinois law, not legal advice. Business documents can carry state-specific formalities; for anything high-value or contested, have a licensed Illinois attorney review it.