AZ PI license #1570306

AZ Process Servers Lic. #7581

Bonded and Insured

Call us 24/7

Office: (623)518-9350
Cell: (602)214-1986

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Welcome to Mark G. Investigations

Mark G. Investigations is your personalized investigative resource, operating in the state of Arizona and serving clients from all over the United States. Mark Gloer, a private investigator with over 13 years of experience in private investigation and process service, has founded this company with the aim of providing thorough, individualized service with integrity and discretion.

Services offered include:

Missing persons and skip tracing

Looking for a missing relative or loved one? Trying to reconnect with an old friend? Maybe you're attempting to collect from someone who owes you money but who seems to have “disappeared” off the face of the earth? We will locate that person for you...FAST!

Background checks

Whether you want to check on a possible business partner, a prospective employee, or a potential mate, it is always a good idea to go into any important relationship well-informed. We will give you the information you need, quickly and accurately.


Do you suspect infidelity? Don't suffer with unanswered questions. Using high-resolution digital video, digital photography, and GPS tracking, we can discreetly observe and record the answers you need. As always, our investigations are completely confidential.

Process service

Do you need to have court papers served to an Arizona resident? We know you want to make sure it gets done right, so let us do it for you. We operate in full accordance with all applicable Arizona state laws, and keep meticulous records of every transaction. Mark G. Investigations is also a member of the Arizona Process Servers Association.

We Get the Job Done

Whether you require process service or an investigative service, such as a background check or a skip trace, Mark G. Investigations is committed to ensuring that your important business is handled effectively and efficiently. If you are interested in inquiring about one of our services or have questions about a service not on the above list, please feel free to contact us at (623)518-9350 or fill out an inquiry form on our contact page. We look forward to hearing from you!