Established in the early part of 1982, Sigma Security Services Incorporated (SSSI) proudly traces its bloodlines to the elite security personnel of the then Ministry of National Defense, select elements of which became the core of the newly-formed private security services company. Sigma Security has since then proved its mettle in serving as an effective deterrent to crimes against person and property in over twenty years of its corporate existence.The company has provided perimeter security to industrial tree plantations, real estate developments projects, golf and country clubs; installation security to warehouses and office buildings; residential security and well as personal security to noted personalities in business and politics and including high net worth individuals.

Sigma Security Services painstaking built its well deserved reputation as one of the country's more compelling private security agencies through its steadfast commitment on customer satisfaction and service excellence. All of its security personnel and protection officers must have a minimum of two years college education or at least three years of active service in the armed forces. These corps of intelligent and hightly motivated individuals are forged into reliable and self-reliant security personnel and guardsmen through a rigorous training program conducted by advisors from the different branches of the armed forces and civilian specialists that continue to set the standards in the private security services industry.