Denver's Most Trusted Private Investigators Firm

Welcome to Assurance Investigations and Process Service. We have been Colorado’s private investigations and process service firm of choice since 2008. Our firm has been providing investigative services to some of the countries top corporations, families, individuals and attorneys. Our professionally trained private detectives and process servers will make the process smooth and easy. We have been vetted by national and state investigation associations.

Get The Answers You Need At An Affordable Price

Surveillance

Surveillance allows us to obtain and gather the information in the most cost effective way possible. Nevertheless, we use the latest technology for surveillance to get the best quality results possible. Surveillance is great for cheating spouses, child custody, liability cases and integrity investigations. This is a great tool for unbiased visual evidence for your case and peace of mind.

Background Checks

We have the investigation tools to get you the information you need fast. Providing extensive information on criminal, civil, asset and court background checks. Furthermore, we conduct social media checks. Helping you locate information on an individual or business quickly and efficiently. Don’t be left in the dark when it comes to the information you need.

Locate Someone

Locating a missing person or a person of interest can be very time consuming if you don’t know where or how to start. Let our highly trained skip tracers help locate a lost loved one or someone you need to locate for personal reasons. Our firm uses proven techniques and experience to locate the person of interest. We can do it quickly, efficiently and affordably.

Family Investigations

We provide a wide variety of investigative services for individuals and families. If you need help easing the uncertainty in a stressful situation, we can help. Whether you’re in need of a child custody investigation, restraining order violation investigation, family abuse investigation or any other type of family investigation, our private investigators can help resolve your situation.

Corporate & Insurance

Our firm started in the insurance and corporate fraud field and have a great deal of expertise. Meanwhile, we have helped some of the most prestigious corporations in the state & country solve their fraud, liability and insurance cases. Assurance Investigations and Process Service specializes in liability investigations, statements, Aoe/Coe, subrogation, workers compensation and property investigations.

Colorado Springs Process Server | Denver Process Server

Colorado Springs Process Service

Our Expert Process Servers Can Get Your Documents Served Quickly At An Affordable Price. We Specialize In Difficult Serves. Can't Locate The Person You Need Served? No Problem We Can Locate Them As Well.

Learn More

Denver Process Service

We Have Conducted Service Of Process In Denver Since 2008. Our Trusted Servers Can Get Your Court Documents Served Efficiently At An Affordable Price. We Have One Of The Highest Success Rates In Colorado.

Learn More

Recent reviews from our SATISFIED clients

Just wanted to say a huge thank you to Chad. While he was unable to help me with what I needed, several days later, he had talked to an associate that could help me. I appreciate him going above and beyond the call of duty. I will certainly keep him in mind for future use if I were to need it. I highly recommend someone who would go the extra mile like this.

Sharon A.
August 27, 2025
Professional and prompt process service. Chad is friendly, easily accessible, and responsive. My experience with Assurance exceeded my expectations and I will absolutely recommend Chad's services to anyone looking for a private investigator or process server in the future.

Jacqi F.
October 12, 2023
Great company! Very professional and precise. I've enjoyed learning from Chad. He knows his investigations and has helped teach me a lot. Ive enjoyed working with and learning from Chad and his clients as well. I look forward to working and learning more and more everyday from him. I highly recommend Assurance for all your investigative needs!

Alyssa
April 5, 2018
Most trusted investigative and process service firm in the area. I highly recommend this investigator!

Matt P.
February 5, 2021
Quick, convenient, reliable. Available by appointment. Excellent customer service. Nog much else you can ask for. Do yourself a favor, give them a chance.

Regis S.
February 3, 2020