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  1. Incorporate a Business or Terminate an LLC - Illinois Secretary of State

    Overview This system allows you to form or register a Not-for-Profit, Domestic Corporation, or Limited Liability Company or terminate an LLC online.

  2. Limited liability company (LLC) - Internal Revenue Service

    Oct 9, 2025 · Review information about a Limited Liability Company (LLC) and the federal tax classification process.

  3. How To Start An LLC In Illinois — 2026 Step-By-Step Guide

    Jan 14, 2026 · Not sure how to start an LLC in Illinois? Our 5-step guide makes forming an Illinois LLC easy, from picking a name to filing paperwork — no lawyer needed.

  4. What Is an LLC? Limited Liability Company Structure and Benefits …

    May 1, 2025 · A limited liability company (LLC) limits the potential for its members to be personally liable for the LLC's business debts. It features pass-through taxation.

  5. What Is an LLC? Definition, Benefits, and How It Works

    Nov 22, 2025 · What is a limited liability company? A limited liability company (LLC) is a business structure that protects owners' personal assets from business debts and lawsuits while offering …

  6. How To Form an LLC in Illinois in 7 Steps - FindLaw

    5 days ago · Learn about forming an LLC in Illinois. FindLaw gives you 7 easy steps to create your LLC and answers to your FAQs about Illinois LLCs.

  7. Corporate & Limited Liability Company (LLC) Name Search - Illinois.gov

    Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability …

  8. How to Form an LLC in Illinois - O'Flaherty Law

    Our Illinois business attorneys are here to guide you through forming an LLC in Illinois. What is an LLC? A “limited-liability company,” also known as an LLC, is commonly referred to as a “hybrid” business …

  9. Illinois Secretary of State | Business Entity Search

    The Illinois Secretary of State operates a business entity search tool, which is available for public use. Individuals may use this tool to look up an Illinois business’s official public information and means of …

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    • County, State, and Federal Business Registration

      Find links to basic federal tax information for people who are starting a business, as well as information to assist in making basic business decisions. The list should not be construed as all-inclusive. Other …