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About United Processing, Inc.

United Processing, Inc. Chicago Process Server - Chicago Illinois United Processing, Inc. (UPI) opened its doors in June, 1990 and has been serving the legal community as well as the private sector in the Chicago, Illinois area for over twenty years.

UPI's staff consists of 25 investigators and 15 office staff personnel. Our staff of professionals service not only the Chicago area, but nationwide as well. United Processing, Inc. is a privately chartered corporation licensed to conduct a broad spectrum of investigative services.

UPI is an active participant in a number of organizations in order to stay informed of all regulatory changes. United also has strict policies in effect regarding document destruction and management encompassed in our code of ethics. United is proud of our affiliation with the BBB and maintain an A+ Rating.

Confidentiality and Professionalism are our highest priorities and has earned us the respect of the legal community for many years.      



Our Clientele Includes:

We Specialize in High Volume:

Law Firms


Document Filing

Management Companies


Document Retrieval

Insurance Agencies

Service of Process

Witness Statements

Financial Institutions

Skip Tracing

Video Surveillance

Technology Companies

Background Checks

Insurance Fraud

Government Agencies

Asset Checks

Criminal Investigation



Civil Investigation