The Illinois Secretary of State (ILSOS) website provides essential services and information for entrepreneurs looking to register and maintain a business in Illinois, including forming LLCs, filing annual reports, and accessing licensing and notary services.
The Illinois Secretary of State’s Business Services portal is a central hub for forming and maintaining a business entity in the state. Entrepreneurs can use this site to register an LLC, search for business name availability, appoint a registered agent, and access downloadable forms and filing instructions. The platform also includes resources for notary services, trademark registration, apostilles, UCC filings, and corporate reinstatements. While ILSOS does not offer legal or financial advice, it is the official state agency responsible for processing business-related filings and compliance in Illinois.
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