Sun Security Services is a highly established security and manpower firm headquartered in the Zoo Road (R.G. Baruah Road) area of Guwahati, specifically located at House No. 211 near the AIDC complex. Founded in 1999 and promoted by Major Surajit Barman (Retd.), the agency operates under the leadership of ex-defense personnel, bringing military-grade discipline and administrative expertise to the private sector. Over its 25-year history, it has grown into one of the largest security providers in the Northeast, managing a workforce of over 1,000 employees and holding prestigious ISO 9001:2015 certifications for its quality management systems.

The agency provides a comprehensive range of protective and tactical services tailored for high-stakes environments such as the oil and gas sector, banks, hospitals, and educational institutions. Their core offerings include armed and unarmed manned guarding, celebrity personal security, and specialized security for cash vans and transit. In addition to physical protection, Sun Security Services utilizes advanced surveillance technology and offers risk assessment consulting to identify and mitigate potential vulnerabilities for its corporate and government clients. Their regional expertise and synthesis of ex-servicemen leadership make them a preferred partner for large-scale operations across the entire North Eastern region of India.