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United Process Service, Inc. - Process Server Serving all types of legal documents, such as:
- Subpoenas
- Small Claims
- Divorce Papers
- Family Court Documents
- Unlawful Detainers
- Eviction Notices and More
The smooth operation of the legal system in your state requires professional, fast and reliable service of process from experienced process servers.
Only using our trained process servers who are experienced in the industry ensures that there are no undue technical errors that could result in costly delays for clients.
The highest quality of service also uses the latest modern technology to maintain at a very competitive service of process to be completed in a timely manner.
It is vital to select a process server, who understands and complies with the laws of the state in which you reside as well as the laws of the state in which the individual to receive the process service can be located.
Q. How do you know where and when the person to receive process service can be available?
A. Even if you do not know where the individual currently resides, works or availability our team of investigators utilize skip tracing techniques to quickly locate them and their precise locations for proper and timely service.
If you reside in or work in Chicago, then you should use a Chicago process server to serve your legal document. So we will work along with the laws of this state in order not to commit errors that may cause your entire case to be thrown out.
Q. What is the person(s) to receive the service of process lives in another state?
A. UPI has 25 experienced process servers that work throughout the United States – in all states. We keep abreast of all the state laws wherever the individual who receives the process service.
Q. What type of documents do you serve?
A. Any type of legal document such as small claims, unlawful detainers, divorce papers etc.
Providing a wide variety of services to the legal community and private sector since 1990. Services include:
- Process Service - Nationwide
- Skip Tracing - Nationwide
- Investigations:
Background Checks
Asset Checks
Video Surveillance
Insurance Fraud


Our Location United Processing, Inc.
180 N Wabash Ave
Suite 615 Chicago, IL 60601
1-800-604-3373


Our Services






Member: National Association of Professional Process Servers
Member: Florida Association of Professional Process Servers
National Association of Investigative Specialists
Private Investigation Background Checks
Asset Checks
Video Surveillance
Insurance Fraud



UPI Memberships





National Association of Retail Collection Attorneys