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  Premiere Investigative Partners

Mark Riordan's Team at MRW Security Consultants are Specialists in:

Security Director Support and Corporate Investigations

Acquisition, Hiring and Board Appointment Due Diligence

Litigation Support

Fraud Investigations

Executive Protection

All Manner of Criminal and Civil Investigations


Mark Riordan's MRW Security Consultants (MRW), is a full-service corporate and personal investigative and security consulting firm headquartered in Houston, Texas. Mark Riordan founded MRW as a specialized information and evidence gathering resource with a background encompassing all aspects of criminal, civil and corporate investigations.

Mark Riordan formed MRW Security to exploit the extensive investigative, law enforcement, military, and private security expertise of his cadre of investigators and consultants in order to serve clients who may be subject to criminal, civil, and/or terroristic threats; as well as assisting with individual and corporate due diligence related to significant business transactions, Human Resources and Legal investigations, and other sensitive or confidential business matters.

Mark Riordan's investigators are a diverse, discreet, capable, case-proven team and each investigator/consultant is highly peer-respected in their particular field. Their backgrounds and experience include, but are not limited to, homeland security, counter-terrorism; organized crime, general law enforcement, forensic hypnosis interviewing of victims and witnesses, covert operations and surveillance, cold case and unresolved crime investigations, forensic accounting, drugs and violence in the workplace, crisis intervention response, hostage negotiation, all aspects of criminal and civil investigations, litigation support, Human Resources support, and unbiased data and evidence collection.

Mark Riordan's "MRW Security" is licensed by the Texas Private Security Bureau as an Investigations/Security Contractor/Guard Company/Security Consultant Company, PSB License # C04120001.

Complaints may be directed to: Texas PSB, P.O. Box 4087, Austin, Texas 78773-0001 or PSB@txdps.state.tx.us

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