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Desert City Services

Route 66 themed banner for Uthe Investigations & Process Service featuring Illinois skyline, Arizona desert imagery, and statewide nationwide litigation support branding.

Illinois Process Service & Private Investigations

Uthe Investigations & Process Service

Licensed Illinois Private Detective Agency | Serving Illinois and Nationwide Since 1994

Serving Attorneys, Businesses, Landlords, Insurance Professionals, and Private Clients Throughout Illinois and Nationwide. Offering Illinois Process Service & Private Investigations.

More Than 30 Years of Process Service and Investigative Experience.

For more than 30 years, Uthe Investigations & Process Service has provided professional process service, private investigations, skip tracing, background investigations, surveillance, and litigation support services. Our agency specializes in difficult assignments and complex cases that require experience, communication, and results-driven strategies.

Serving What Others Can’t. Experience That Protects Your Case.

🗂️ Submit a Case

💬 Request a Quote

☎️ Call (815) 577-9988

Trusted by Illinois Attorneys, Businesses & Landlords

For more than 30 years, Uthe Investigations & Process Service has provided professional process service, investigations, skip tracing, and litigation support throughout Illinois and nationwide. Our agency specializes in difficult assignments that require experience, communication, and practical solutions.

⭐ Licensed Illinois Private Detective Agency

⭐ More Than 30 Years of Process Service & Investigative Experience

⭐ Illinois & Nationwide Coverage

⭐ Digital Status Updates & Reporting

⭐ Hard-to-Serve & Difficult Assignment Specialists

⭐ Serving What Others Can’t™

Uthe Investigations logo featuring metallic shield emblem with silver “U,” Chicago skyline accents, and navy, black, and gold investigative branding

Professional Process Service & Investigative Solutions

Uthe Investigations & Process Service provides professional legal support and investigative services throughout Illinois and nationwide. Whether you need process service, private investigations, skip tracing, litigation support, or specialized investigative services, our agency is prepared to assist.

Our services are designed for attorneys, businesses, landlords, insurance professionals, governmental entities, and private clients who need experience, communication, and professional results.

Our services include:

  • Nationwide Process Service
  • Hard-to-Serve Process Service
  • Alias Buster™, Skip-to-Serve™, and Maximum Serve™
  • Private Investigations and Surveillance
  • Background and Criminal Background Investigations
  • Workers’ Compensation Investigations
  • Insurance Subrogation Services
  • Litigation Support Services
  • Landlord and Eviction Support Services
  • Property, Asset, Vehicle, and Locate Investigations
  • Digital Intelligence and Social Media Investigations
  • Cohabitation Investigations
  • Eminent Domain and Right-of-Way Support
  • Education and Employment Verification

At Uthe Investigations & Process Service, we understand that attorneys and clients need more than paperwork. They need dependable execution, responsive communication, and professional results that withstand scrutiny.

When the case matters, experience matters.

Experience Matters. Here's Why Clients Choose Uthe Investigations & Process Service.

Clients choose Uthe Investigations & Process Service because experience matters.

For more than three decades, our agency has assisted clients with difficult assignments, complex investigations, and time-sensitive legal matters throughout Illinois and nationwide.

Our clients value:

  • More than 30 years of experience
  • Licensed Illinois Private Detective Agency
  • Difficult and evasive defendant experience
  • Professional communication and responsiveness
  • Court-ready affidavits and declarations
  • Digital status updates and reporting
  • Investigative resources and strategic problem-solving
  • Illinois and nationwide service capabilities

Many clients contact our office after:

  • Another process server has been unsuccessful.
  • The defendant has moved.
  • Service has become time-sensitive.
  • The address is incorrect.
  • The defendant is actively avoiding service.
  • Additional investigative support is needed.

Difficult assignments often require experience, strategy, and persistence.

When the case gets difficult, call Uthe Investigations & Process Service.

When the Case Gets Difficult

Uthe Investigations Proprietary Solutions for Difficult Cases

Some assignments require more than routine service. Uthe Investigations & Process Service has developed proprietary solutions designed to address some of the most common problems encountered during process service.

Alias Buster™

Designed for assignments involving questionable, incomplete, or outdated address information.

Skip-To-Serve™

Combines professional skip tracing with coordinated process service when the defendant must first be located.

Maximum Serve™

Maximum Experience. Maximum Effort. For Your Most Difficult Assignments.

Our highest level of process service designed for evasive defendants and difficult assignments.

Uthe Investigations & Process Service
CORE SERVICES

Process Service

Professional process service throughout Illinois and nationwide, including routine, rush, difficult, and hard-to-serve assignments.

Private Investigations

Investigative services for attorneys, businesses, insurance professionals, and private clients.

Skip Tracing and Location Services

Professional location services designed to locate defendants, witnesses, heirs, and difficult-to-find individuals.

Background Investigations

Comprehensive background investigations for businesses, landlords, attorneys, and private individuals.

Litigation Support Services

Investigative and legal support services designed to assist attorneys and law firms throughout all stages of litigation.

Insurance and Subrogation Services

Investigative services, process service & recovery support for insurance carriers, third-party admins & subrogation professionals.

Practice Areas and Specialized Services

Our agency regularly assists with:

  • Family Law Process Service
  • Probate Process Service
  • Guardianship Process Service
  • Elder Law Process Service
  • Insurance Subrogation Services
  • Landlord and Property Management Services
  • Eminent Domain Process Service
  • Tax Sale Support Services
  • Litigation Support Services
  • Nationwide Process Service

Investigative Services

Uthe Investigations & Process Service also provides professional investigative services throughout Illinois.

Our services include:

  • Surveillance Investigations
  • Background Investigations
  • Criminal Background Investigations
  • Landlord Background Investigations
  • Cohabitation Investigations
  • Social Media Investigations
  • Workers’ Compensation Investigations
  • Asset Search Investigations
  • Heir Search Investigations
  • Education Verification Services
  • Employment Verification Services
  • Property and Ownership Investigations

Resources for Attorneys and Clients

Visit our growing collection of articles and resources, including:

  • Illinois Process Service Laws
  • Hard-to-Serve Process Service
  • Court-Appointed Special Process Server Illinois
  • Motion to Quash Service Illinois
  • Licensed vs. Unlicensed Process Server Illinois
  • Illinois Litigation Support Services
  • Illinois Investigation Resource Center
  • Illinois Legal Support Resource Center

Illinois Direct Coverage

Uthe Investigations & Process Service provides direct process service and investigative coverage throughout:

  • Will County
  • DuPage County
  • Cook County
  • Kankakee County
  • Kendall County
  • Grundy County
  • Kane County
  • Lake County
  • McHenry County

Because these counties are serviced directly by our team, clients benefit from faster communication, consistent quality standards, and local knowledge developed through decades of experience.

Illinois Extended Coverage

In addition to our primary service area, Uthe Investigations & Process Service coordinates professional process service throughout selected Illinois counties using trusted process servers, licensed private investigators, and litigation support professionals.

Although these assignments may be completed by carefully vetted affiliates, our office remains actively involved throughout the life of the assignment.

  • Kane County
  • Lake County
  • LaSalle County
  • McHenry County
  • Winnebago County

Throughout these assignments, our agency coordinates communication, monitors progress, reviews documentation when appropriate, and remains the primary point of contact for the client.

Nationwide Process Service With Local Oversight

Need service outside Illinois?

Uthe Investigations & Process Service coordinates nationwide process service through a trusted network of professional affiliates throughout the United States.

Rather than simply forwarding assignments, our office remains actively involved by monitoring progress, coordinating communication, reviewing documentation, and maintaining quality-control standards throughout the assignment.

Consequently, clients receive nationwide coverage while maintaining the accountability, responsiveness, and oversight expected from Uthe Investigations & Process Service.

Whether service is needed locally, throughout Illinois, or across the country, our agency remains committed to providing professional service and reliable communication every step of the way.

Resources and Links

  • Illinois Process Server Directory
  • Illinois Process Service Areas
  • Frequently Asked Questions
  • Attorney Resource Center
  • Investigation Resource Center
  • Articles
  • How to Submit a Process Service Case

Ready to Move Your Case Forward?

Whether you need process service, investigations, litigation support, or one of our proprietary solutions for difficult assignments, Uthe Investigations & Process Service is prepared to assist.

✔ Electronic document submission
✔ Automated status updates
✔ Illinois and nationwide coverage
✔ Serving clients since 1994
✔ More than 30 years of experience

Serving What Others Can’t. Experience That Protects Your Case

Process Service & Investigation Pricing Guide

  • Standard Service $90

    More than Ten Service Days. Up to Four Attempts at one address ONLY, we do not split attempts on multiple addresses.
    Second Named Defendant at the same address is half price, providing they can be substitute served.
    All in person services are completely separate services and full price each.

  • Expedited Service $135

    For Service between Three to ten days. Three Attempts.

  • Rush Service $175

    Service within 24 to 48 Hours. Three Attempts.

  • Same Day Service $250

    One Attempt.

  • Out of State Service $175

    4 Attempts.

  • Digital Service of Process $125

    Service via email / text / social media. Includes affidavit of service, proof of service and mailing.

  • Landlord / Pro-Se - 5 Day, Eviction $135

    Eviction Services without an attorney.

  • Rural Area Fee $50

    Fee for Service in Rural Areas.

  • Certain Place / Certain Time Fee $50

    Certain Place, Certain Time, Scheduled Meet with Landlord or Defendant.

  • In Person Only Service Fee $50

    Cases where the service must be 'In Person Only'

  • Surveillance/Cohabitation Cases $150

    Rate Per Hour. Retainer Required.

  • Skip Trace $100

    Address verification / license plate verification.

  • Background Check $125

    Background Check

  • Social Media Deep Dive $350

    Deep dive social media report.

  • Notary $10

    Illinois process service does not require Notary. $10 charge for Notary requests will be applied.

  • Excessive Paper Fee $0.15

    Paper fee of .15 per page for excessive printing (first 20 pages at no charge).

  • Uthe Investigations PLLC
    2314 RT 59 #204
    Plainfield, IL 60586
  • IL (815) 577-9988
  • Info@UtheInvestigations.com
  • Serving 7 Days A Week
    Monday - Sunday

    Office Hours:
    Monday - Thursday
    9am - 4pm
    Friday 9am - 12pm
    Closed Weekends & Holidays

  • IL PI Agency License # 117-001911
Uthe Investigations & Process Service QR
UTHE INVESTIGATIONS GOOGLE REVIEW
Uthe Investigations logo featuring metallic shield emblem with silver “U,” Chicago skyline accents, and navy, black, and gold investigative branding
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  • Desert City Services LLC
    9221 E Baseline Rd #109-242
    Mesa, AZ 85209
  • (602) 688-2552
  • Info@DesertCityServices.com
  • Serving 7 Days A Week
    Monday - Sunday

    Office Hours:
    Monday - Thursday
    9am - 3pm
    Friday 9am - 12pm
    Closed Weekends & Holidays
  • AZ PI License # 1714937
    Process Server License # MC-8934
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  • Home
  • Services
    • Background Check Illinois | Professional Background Investigations | Uthe Investigations & Process Service
    • Illinois Tax Sale Support Services | Uthe Investigations
    • Digital Social Media Investigations | Uthe Investigations
    • Illinois Asset Search Investigations | Property & Asset Research Services | Uthe Investigations & Process Service
    • Illinois Landlord & Property Management Services | Uthe Investigations
    • Insurance Subrogation Services in Illinois | Uthe Investigations
    • Education & Employment Verification Service | Uthe Investigations
    • Attorney Services Illinois | Litigation Support | Uthe Investigations & Process Service
    • Illinois Cohabitation Investigations | Uthe Investigations
    • Illinois Private Investigations | Uthe Investigations & Process Service
    • Nationwide Process Service | Process Service in All 50 States | Uthe Investigations
    • Illinois Skip Trace Services | Locate People & Investigative Services | Uthe Investigations & Process Service
    • Mobile Home Park Landlord Support | Uthe Investigations
  • About Us
  • Articles
  • Prices
  • Home
  • Services
    • Background Check Illinois | Professional Background Investigations | Uthe Investigations & Process Service
    • Illinois Tax Sale Support Services | Uthe Investigations
    • Digital Social Media Investigations | Uthe Investigations
    • Illinois Asset Search Investigations | Property & Asset Research Services | Uthe Investigations & Process Service
    • Illinois Landlord & Property Management Services | Uthe Investigations
    • Insurance Subrogation Services in Illinois | Uthe Investigations
    • Education & Employment Verification Service | Uthe Investigations
    • Attorney Services Illinois | Litigation Support | Uthe Investigations & Process Service
    • Illinois Cohabitation Investigations | Uthe Investigations
    • Illinois Private Investigations | Uthe Investigations & Process Service
    • Nationwide Process Service | Process Service in All 50 States | Uthe Investigations
    • Illinois Skip Trace Services | Locate People & Investigative Services | Uthe Investigations & Process Service
    • Mobile Home Park Landlord Support | Uthe Investigations
  • About Us
  • Articles
  • Prices

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Alias Buster™

Alias Buster™ is a proprietary process service and skip tracing solution offered exclusively by Uthe Investigations & Process Service LLC.