Process Serving
Our team of licensed process servers cover every inch of Illinois. From Chicago to Edwardsville to Springfield and every area in between.
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Serving Cook County & All of Illinois
Chicago Process Server — Fast, Reliable Service Across Illinois
Licensed Chicago process servers with GPS-verified proof of service. Same-day, rush & routine serving across Cook County & all of Illinois. Get a quote today.
When Every Minute Matters.
Our Services
eFiling
Court-ready filings submitted accurately and confirmed quickly to prevent delays or rejections.
Submit Your File →Document Retrieval
Certified court records and legal documents retrieved quickly and delivered securely across Illinois and the nation.
Learn More →Skip Tracing
Locate evasive individuals quickly using advanced investigative methods.
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Who We Are
Nationwide Investigation delivers process serving, skip tracing, document retrieval and court filing services across Chicago, Cook County, Illinois and throughout the United States.
View our homepage →Why us
Chicago attorneys don't have time for missed serves, vague status updates, or affidavits that won't hold up in court. That's exactly why they call us.
Nationwide Investigations is a Chicago-based legal support firm handling process serving, skip tracing, court filing, and document retrieval across Cook County, all of Illinois, and nationwide. We've built our reputation on two things attorneys actually care about: getting it served right, and proving it.
Every job comes with GPS-verified attempts, timestamped field notes, and court-ready affidavits — delivered fast, with real communication along the way. When a case is on the line, you need a team that treats your deadline like their own.
We have a firm grasp of all process serving laws throughout the country specifically in Cook County, IL. Illinois process serving laws changed significantly for Cook County in 2025. Learn what your firm needs to know.
Where We Work Every Day
Courthouses & Registered Agents
We maintain daily presence at Chicago's busiest legal locations — so your documents move without delay.
- Daily Center Chicago - Cook County Courthouse
- Derksen Federal Courthouse - Northern District of Illinois Courthouse
- CT Corporation Services - Registered Agent Located in the Loop Chicago
- CSC - Registered Agent Located in Springfield, IL
- Corporate Creations Network - Registered Agent Located in Schaumburg IL
Nationwide Investigations by the numbers
12+ Years of experience in the process serving industry
50+ Professional process servers across Illinois
99% Law firm and Paralegal Satisfaction
1,000,000+ Process Serving Jobs Completed
43 5 Star Reviews from Chicago Attorneys
53 Illinois Area Courthouse Visited
PROCESS SERVERS
YOU CAN COUNT ON
Why people believe in us
"Fast service and professional!! I had the pleasure of working with a Kyle Clutter from Nationwide Investigations. He was responsive, and kept me informed throughout the process. Definitely will be using them in the future for process serving and skip tracing. Thank you, Nationwide Investigations!"
"Working with Kyle has brought us a level of reliability we honestly didn't think was possible in this area. He's become our go-to partner in Illinois, and we recommend him without hesitation to anyone looking for a dependable, efficient process server."
"Kyle has done a great job with process service! Knowledgably and efficient, we are a happy client! I truly recommend him."
"Thank you for being so diligent, I love your attention to detail and will hire again when I have a project in your area."
"This is the most efficient process server company that I have ever used. I strongly recommend this company."
"Service with them was great, and they were easy to work with!"
"Good price; quick service; easy to pay online!"
"The best Process Servers in the State"
"Nationwide Investigations does an excellent job! Jobs are done quickly, service is top notch!"
"This is the most efficient process server company that I have ever used. I strongly recommend this company."
"Handled the service of a subpoena quickly and efficiently."
"Speedy and effective service! Thank you!"
Proud Affiliations
Nationwide Investigations is a vetted member of the National Association of Professional Process Servers (NAPPS) and the Illinois Association of Professional Process Servers (ILAPPS), and an affiliate of the Chicago Paralegal Association — reflecting our commitment to professional standards across the Illinois legal community.
