Illinois Business Entity & Corporation Search

Illinois-State-ShapeAre you searching for a business entity in Illinois? If yes, then you will find this guide helpful.

In Illinois, Department of Business Services (a subdivision of Secretary of State), maintains the database of all the registered business entities in the state.

Registration information of Limited liability companies, Limited liability partnerships, and corporations are available with the department. However, it does not maintain information on sole proprietorships.

Department of Business Services maintains registration information of LLCs, LLPs and corporations.

Why would anyone conduct a business entity search?

Typically the business search helps,

  • to check the availability of a business name
  • to find information about any business such as address, owner(s) name etc
  • file relevant documents

Illinois Business Entity Search

Below we have described step by step instructions on how to search for a  business in Illinois.

Step 1: Open Illinois Department of Business Services page – Link (opens in new tab).

Step 2: Select whether you are looking to search for LLC or Corporation or both. If you are unsure simply select ‘Corporate and LLC‘ option.

Step 3: Click on ‘Continue‘ button.

Illinois Business Entity Search

Step 4: On the next page, you can choose from any of the following options to conduct the search:

  • Name – Business name starting with the entered search term will only be shown.
  • Key Word – Business names containing the entered word will be shown.
  • Partial Word – Shows business name containing the partial word anywhere in the name.

For example: if we were to search for a business – ‘Happy Go Lucky LLP‘, the search combination can be:

  • Name – ‘Happy’
  • Keyword – ‘Go’
  • Partial Word – ‘Luck’

Step 5: Enter the name of the business in the text box.

Step 6: Click on the ‘Continue‘ button.

Step 7: On the next page, you can view the search result with the following information about each business entity:

  • Entity Type
  • File Number
  • Corporation/LLC Name

From the information on the page, select the business you were looking for.

In case you are not able to find out the business, try searching again with a more specific query.

Step 8: On the next page, you will be able to view the complete business details.

File NumberUnique 8 digit Business Identifier
Entity NameBusiness Entity Name
StatusCurrent Status of the Business
Entity TypeBusiness Entity Type – LLC/Corporation/Partnership etc.
Type of CorpType of Corporation – Domestic/Foreign
Incorporation Date (Domestic)Date of Incorporation
StateState of business formation
Duration DateBusiness Expiry Date
Annual Report Filing DateDate of filing of Annual Report
Agent DetailsRegistered Agent name and contact details
Officer(s) Name & AddressName and contact details of officers/directors

Business owners/agents can purchase a certificate of good standing by paying a fee of $45 plus 2.5% payment processing charges.

Additionally one can file following documents:

  • File Annual Report
  • Adopting Assumed Name
  • Articles of Amendment Effecting a Name Change
  • Change of Registered Agent and/or Registered Office Address
 Contact Information
Address213 State Capitol
Springfield, IL 62756
Phone NumberToll Free: 1800-252-8980
Outside Illinois: 217-785-3000
Emailhttps://www.ilsos.gov/ContactFormsWeb/businessservices_contact.jsp
Office Hours8:00 AM – 5:00 PM  Monday – Friday (except for Official State Holidays)

Links & References

  1. https://en.wikipedia.org/wiki/Illinois_Secretary_of_State
  2. https://www.cyberdriveillinois.com/

Last Updated on: 05/11/2018

5 Comments on “Illinois Business Entity & Corporation Search”

    1. Hey Matt,

      It totally depends on what sort of business you run and what is your end plan. If you are looking to be the face of your business then yes you can go ahead. But one thing to note here is, if your name is too common then it might pose difficulty for your business to be discovered online.

      I hope it helps.

      – Meredith

    2. Depends. If you are the face of the business than yes you may go for it. But if your clients prefer hiring a firm rather a personal name LLC, or you are building a business which you would eventually, in such cases go for a brandable business name.

      I hope that was helpful.

      Cheers.

  1. I have a query regarding how the uniqueness of the name is determined.

    Let’s say am looking to register a LLC
    “PQR Contractor LLC”
    and there is already a corporation registered with the name
    “PQR Contractor Inc.”

    So can I register the name in such case?

    1. First, you need to check if there is any trademark registered for PQR Contractor. Use this link: http://www.ilsos.gov/trademarksearch/

      If there is no trademark registered, you may go ahead. But that being said, I would suggest you come up with an alternate name. During branding and advertising your business, users may mistake your business with the other.

      I hope that was helpful.

      Cheers.

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