After noticing SOS Security’s longevity and sustained growth, the editors of Insight Success magazine wanted to know our secret. In this article, Chairman & CEO, Edward Silverman shares our history, philosophy and the decisions over the years that have paved the way for our success.


SOS Security is a leading provider of security personnel and related services, helping a broad range of clients in the corporate, government and high net worth sectors to protect their people, assets, and reputations. Today, SOS Security is the fifth largest security personnel company in the US and growing.

The Early Years

For Edward B Silverman, CPP, the journey began shortly after he graduated as a polygraph examiner. After attending the University of Maryland, he proceeded to the Backster School of Lie Detection. Shortly thereafter, he started his career administering polygraph examinations built around investigative services.

It wasn’t long before he sensed that there were opportunities beyond polygraph services. Security Operations Systems was founded in 1969, as an offshoot to his father’s window cleaning company, International Services, which also provided limited “watch guard” services for their clients.

The real journey began in the early ‘70s, after Edward obtained his New Jersey Private Investigator license. By then, he had been operating his polygraph business for four to five years, already engaging with clients and listening to their feedback.

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About Author: SOS Security

SOS Security is known for providing exceptional service, integrity and professionalism. Our relentless focus on client needs has enabled us to become the trusted partner we set out to be. SOS Security is the fourth largest security watch, guard and patrol companies, as indicated by The Security Letter.