Madigan Security Consulting & Investigations is staffed by security experts who possess over 125 years of experience. Their experience ranges from high level private security to years of public service.

The company has in-depth experience in risk assessments, and proper security applications and principles. We have also designed extensive security systems and developed in-depth security programs. Our staff also has fire and safety experience.

Our staff consultants have extensive experience in all types of security related topics.


Larry Madigan Headshot (2)
C. Larry Madigan, President
larrym@madigansecurity.com

Larry is a licensed private investigator in Washington state. He has over 55 years of experience in the military, law enforcement, and security industry. Larry attended Seattle University, majoring in Police Science and Police Management. Larry possesses numerous professional credentials and has attended and graduated from several schools specializing in security and investigations.

Larry served in the U.S. Army for 3 years, including serving in Vietnam and as a military police officer for Armed Forces Police. After leaving the Army, Larry worked as police officer for the Seattle Public Schools. Larry transitioned from the public sector to the financial sector, and became the Vice President of Security for Seattle First National Bank. Larry worked for Seattle First National Bank for over 19 years.

In 1996, Larry left Seattle First National Bank to fulfill his dream of being a business owner. Larry has been the President of Madigan Security Consulting & Investigations since 1996.


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Kelly M. Madigan, Vice President
kelly@madigansecurity.com

Kelly is a licensed attorney and private investigator in the State of Washington. She graduated from the University of Tampa with a degree in International Business and obtained her Juris Doctorate degree from Seattle University School of Law. Kelly has been practicing law for 15 years, primarily in the area of civil litigation. Kelly has extensive experience in all areas of legal investigations. Kelly is an active member of the Seattle community and is an active supporter and volunteer for Food Lifeline, Pushing Boundaries, the Brain Injury Alliance, and Team In Training. Kelly served as president for Seattle Executives Association in 2020.


Jonathan Jensen
Jonathan Jensen, Investigator
jonathan@madigansecurity.com

Jonathan is a licensed private investigator and process server in Washington State. Prior to joining Madigan Security, Jonathan was a police officer with the Everett Police Department for 26-years. He served as a patrol officer for the first 16-years, then as a school resource officer where he was responsible for giving safety lectures and organizing city-wide child-abuse training. Jonathan spent the last 7-years of his career as a Detective with the Special Assault Unit. As a member of the Special Assault Unit, he investigated cases ranging from sexual assault and child abuse to abduction and attempted murder. He amassed hundreds of hours of experience and training in the field becoming the unit expert in the use of alternative light source devices and locate software. Jonathan also responsible for investigating and helping close 6 decade-old cold cases.


Caitlin
Caitlin Foss, Research Manager
caitlin@madigansecurity.com

Caitlin is a licensed private investigator and process server in Washington state. Caitlin has over 15 years of experience in the security and investigations industry. Caitlin attended the University of Washington and earned her degree at Bellevue College. Caitlin has taken numerous continuing education courses on subjects such as cyber investigations, process service, and background investigations.