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File a Complaint against Black Knight Security LLC

We want to make sure we can help you with your complaint. The following will help us make sure your complaint is processed promptly.

Business Headquarters Location

3333 Warrenville Rd. #200,

Lisle, IL 60532-1999

(877) 877-0701

If you have any questions or concerns, please contact the BBB assigned to your complaint:

BBB of Chicago & Northern Illinois

121 W Wacker Drive

Suite 2000

Chicago, IL 60601

(312) 832-0500 or Toll Free at (888) 982-0210