Integrity, determination, & results

Integrity
determination
& results

About Landmark Investigations

We are a full service private investigation agency specializing in insurance and financial fraud, security solutions, executive protection, as well as corporate risk management and loss prevention.

A Leading Private
Investigations Firm

Exceeding expectations is the rule—not the exception.

Offering a full range of solutions from assessment to mitigation to recovery, we design, implement, and deliver strategic investigative and protection services to a broad spectrum of clients, including corporations, law firms, insurance companies, and individuals. 

We conduct investigations and security operations around the globe, and our Investigators and Security Agents are the best in the business. They have extensive experience in both private and corporate litigation, protecting high-profile clients, and performing complex investigations. Exceeding our clients expectations is the rule—not the exception.

Offering a full range of solutions from assessment to mitigation to recovery, we design, implement, and deliver strategic investigative and protection services to a broad spectrum of clients, including corporations, law firms, insurance companies, and individuals. 

We conduct investigations and security operations around the globe, and our Investigators and Security Agents are the best in the business. They have extensive experience in both private and corporate litigation, protecting high-profile clients, and performing complex investigations.

investigation

Exceeding our clients expectations is the rule—not the exception.

Thomas C. Graybill

PRIVATE INVESTIGATOR
MBA, CFE, CEO

Tom Graybill Landmark Investigations Footer Picture

Tom Graybill founded Landmark Investigations in 2017, after working 15 years in the Special Investigative Unit (SIU) for a major insurance company. He was involved in detecting and pursuing action against fraudulent activities on the part of insureds and claimants. He is a well rounded investigator and is also a Registered Process Server, a Certified Professional Investigator, and a Certified Fraud Examiner.

Graybill has thousands of surveillance hours and has completed thousands of investigations. He brings a wealth of knowledge of investigation methodology, and is trusted by some of America’s largest businesses to help them with their investigation needs.

He is currently the Director of the Orange County District of the California Association of Licensed Investigators (C.A.L.I.), and is well-respected within the investigative services industry. He is also a public speaker and recently presented, “The Science of Surveillance” to a large group of experienced investigators.

Tom Graybill founded Landmark Investigations in 2017, after working 15 years in the Special Investigative Unit (SIU) for a major insurance company. He was involved in detecting and pursuing action against fraudulent activities on the part of insureds and claimants. He is a well rounded investigator and is also a Registered Process Server, a Certified Professional Investigator, and a Certified Fraud Examiner.

Graybill has thousands of surveillance hours and has completed thousands of investigations. He brings a wealth of knowledge of investigation methodology, and is trusted by some of America’s largest businesses to help them with their investigation needs.

He is currently the Director of the Orange County District of the California Association of Licensed Investigators (C.A.L.I.), and is well-respected within the investigative services industry. He is also a public speaker and recently presented, “The Science of Surveillance” to a large group of experienced investigators.

Graybill earned his MBA, with a Concentration in Finance, from Pepperdine University in 2006, and a Bachelor’s Degree in Business Administration in 2003.

Graybill earned his MBA, with a Concentration in Finance, from Pepperdine University in 2006, and a Bachelor’s Degree in Business Administration in 2003.

Our Mission

TRUTH & JUSTICE FOR OUR CLIENTS

Our mission is to provide relevant, accurate, and timely information to our clients so they can make informed decisions. We are passionate about delivering the answers our clients deserve. Every case we take is unique, like solving a puzzle, and this quality is what gives us the motivation to get what’s needed for a successful outcome.

Our Promise

PROFESSIONAL ADVICE YOU CAN TRUST

Our investigators work diligently to uncover the truth, and will ensure you are kept well informed on the progress of the investigation. We document our independent investigations by various methods – recorded statements, photographs, video, evidence collection and written reports, and are available for depositions and court appearances.

Our Unique Qualifications

Our investigators combine the focus and tenacity of old-school detective work with the speed and accuracy of today’s most advanced technology. We are confident we can perform any work requested in a professional and timely manner.

Governor, Orange County District: California Association of Licensed Investigators (C.A.L.I.)

Mr. Graybill is the current Orange County District Governor for the California Association of Licensed Investigators (C.A.L.I.).  Mr. Graybill enjoys donating his time to this great organization and participating in a leadership capacity.

Licensed Private Investigators

We have over 20 years of investigative experience. Our investigators have been trained and equipped with the latest investigative tools and resources. Speak with a member of our professional investigations team for free. 

Certified Fraud Examiner: Association Examiners (A.C.F.E.)

Mr. Graybill is a Certified Fraud Exmainer (CFE) through the Association of Certified Fraud Examiners (A.C.F.E.).  Mr. Graybill works with companies and government agencies to identify and eliminate fraud.

Certified Forensic Accountants

We are experienced and knowledgeable forensic accountants.  We specialize in financial investigations, asset checks, and financial analysis. We provide data analytics and expert testimony in civil disputes.

Pepperdine University Finance MBA

Mr. Graybill earned his MBA with a concentration in Finance from Pepperdine University in 2006.  He is an expert in financial investigations as a result of his extensive business knowledge and experience.

Certified Professional Investigator

Mr. Graybill is a Certified Professional Investigator (CPI) through the California Association of Licensed Investigators (C.A.L.I.).

Registered Process Server

We specialize in locating and serving individuals that are intentionally evading service.  We use information from a wide variety of sources to locate and serve individuals that are difficult to find.