CONTACT FORM


Business Services

To download business forms, please visit the Publications section.

To search for companies formed or registered in Illinois, please visit the Corporate/LLC Search/Certificate of Good Standing section.

To search for limited partnerships and limited liability partnerships formed or registered in Illinois, please visit the LP/LLLP/LLP Database/Certificate of Existence section.

To search for marks registered in Illinois, please visit the Trademark/Servicemark Search section. For more information about trademarks and servicemarks, e-mail TM/SM@ILSOS.NET.

  • Polish Business Information Line (312)793-4938
  • Spanish Business Information Line (312)793-2365
  • For certified copies and copy requests for corporations, please call 217-782-6875.
  • For certified copies and copy requests for LLCs, LPs and LLPs, please call 217-524-8008.

To inquire about the status of a registration, please include the type of business form and date submitted below.

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