SIS Limited, together with its subsidiaries, provides security and related services in India, Australia, Singapore, and New Zealand. It operates through three segments: Security Services (India), Security Services (International), and Facility Management. The company offers manned guarding, training, physical security, and paramedic and emergency response services; loss prevention, asset protection, and mobile patrols; and facility management services, such as cleaning, housekeeping, and pest control management services, as well as event services. It also provides cash logistics services, including cash-in-transit, doorstep banking, ATM cash replenishment, cash handling and processing, and secure transportation of precious items and bullion; and alarm monitoring and response services comprising installation and trading of electronic security devices and systems. In addition, the company offers building mechanical and electrical services; and emergency services personnel, industrial safety, fire rescue, and medical training. It serves steel/ metals, power, mining, oil and gas, PSUs, IT/BPO, BFSI, IFMS, telecom, education, automobiles, manufacturing, logistics, transportation, healthcare and pharma, hospitality, lodging and retail, FMCG, food and beverage, paper, commerce/industrial, government, defense, entertainment/events, railways, construction, cement, infrastructure, fertilizer, real estate, and aviation sectors. The company was formerly known as Security and Intelligence Services (India) Limited and changed its name to SIS Limited in January 2021. SIS Limited was founded in 1974 and is based in New Delhi, India.