Private Investigator · Cook County Suburbs · Licensed Illinois PI
Supreme Investigations is a licensed Illinois private detective agency serving Evanston, Skokie, Park Ridge, Oak Park, Schaumburg and nearby suburbs. Process serving, skip tracing, surveillance and background checks are available for attorneys, landlords, employers and families.
Authority that matters in court: Supreme Investigations is licensed by the Illinois Department of Financial & Professional Regulation (IDFPR) under 225 ILCS 447 (Agency #117.001922, Detective #115.002750), and every service is performed and proof of service filed under 735 ILCS 5/2-202.
We are based on Chicago's Northwest Side near O'Hare, minutes from Park Ridge, Niles and Des Plaines, so suburban serves often go out the same day. Attorneys, landlords, businesses and families across suburban Cook County call us when they need papers served, a person found or something documented for court.
We keep going. We skip trace the defendant, confirm where they actually are and serve them. You get an affidavit of service with time-stamped photos for the Skokie, Rolling Meadows, Maywood or Daley Center courthouse. Landlords: 5-day, 10-day and 30-day notices are $225 per address, with every occupant included.
Standard service includes up to three attempts at a confirmed address within the Chicago metro area, photo documentation of each attempt, and a proof of service or non-service affidavit formatted for Illinois court filing. The flat rate has no add-ons.
This service is for subjects who know they are being served and are actively evading contact. It includes a dedicated six-hour field window for accessing rear stairwells, conducting covert surveillance, canvassing neighbors, and applying 15 years of investigative experience to intercept the subject the moment they emerge. Every attempt is photo-documented, and a written report and affidavit of service are included.
When the subject's address is unknown or unconfirmed, we conduct a skip trace first — identifying and verifying the current address through lawful database research and field verification before any service attempt is made. This eliminates wasted attempts at outdated addresses.
When a subject is actively avoiding service, we combine covert surveillance with active service attempts — positioning the process server to intercept the subject at the moment of emergence rather than waiting at a door that will never open.
From a custody dispute in Oak Park to a workers' comp claim in Schaumburg, we document the facts and put them in a clear report.
We serve the north, northwest and west suburbs of Cook County, plus the City of Chicago. Se habla español.
If you are represented by counsel, your attorney may contact us directly regarding scope, scheduling, volume pricing, and documentation requirements.
Supreme Investigations is a licensed Illinois process server and private detective agency serving Chicago, Cook County, and all of Chicagoland. Every assignment is handled by a licensed Chicago investigator — never outsourced, always confidential. Call today for your free consultation.
Free Confidential Consultation Call Now: (224) 366-9505