SIS is one of the pioneers in the Indian Private Security Industry. Set up in 1974, the company has been a thought and knowledge leader since its inception. SIS went into the business of professional private security services at a time when the concept was completely unheard of in India. In the mid-seventies when SIS was established, the concept of security personnel was largely unorganized and SIS pioneered the concept of trained, professional, presentable and proactive security solutions in line with international benchmarks. Through the four decades of its existence, SIS has endeavored to provide the best security solutions to its customers through innovation, commitment to quality, training and strict compliance to international standards.

Setup as an Investigation firm almost 40 years ago, today the company has grown into a "Total Security Solutions Provider" and a "Leading Business Support Solutions Provider" in India offering, through itself and its subsidiaries, the entire gamut of security services of manned guarding (MG), investigations (C&I), electronic security systems (Tech SIS) and cash management services (SIS Cash Services, through a joint venture with (Prosegur) and Facility Management services consisting of housekeeping and mechanized cleaning (ServiceMaster Clean), pest and termite control services ( Terminix SIS, through a joint venture with Terminix ) and vocational training (SSCI)

SIS is an ISO 9001:2008 certified, public limited company, the first security company in India to obtain this certification. Backed by a trained workforce of over almost 60,000 men & supervisors and 500 banded managers, SIS delivers premium services with high quality and absolute integrity to almost 5,000 customers in 28 states through 103 branches across 540 districts in India.

SIS believes in continuously upgrading the quality of our resources and infrastructure to support the ever-changing customer requirements. In pursuance to this, SIS was one of the first organizations in the security business to implement a state-of-the-art ERP Solution to manage the day-to-day operations of the company.

The company also has the distinction of being rated SME 1 by CRISIL-The company has charted out an aggressive growth strategy for itself - "Vision 2015" which envisages service specialization, quality assurance, refinement & extension of service portfolio, rapid geographical expansion, superior brand positioning, adoption of fair employment practices, training and development of our employees, with an aim to be the "Preferred partner for Business Support Solutions" to its customers and the "Preferred place to work in the industry" for its employees.