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SECOM CO., LTD.

Japan ยท Tokyo:ย 9735.T ยท Market cap: $20.4B ยท P/E: 25.3 ยท P/S: 2.6

Secom sells security alarms, monitoring, and safety services that protect homes, businesses, and hospitals, mostly in Japan.

Secom is Japan's biggest security company. It guards things. Its core product is an alarm system wired to a monitoring center: if a burglar trips a sensor at your house or office, Secom's staff see it within seconds and send help or call the police. Millions of Japanese homes and businesses have a Secom box on the wall, and that monthly fee is the steady heartbeat of the business. The company also runs fire alarms, sells fire extinguishers, and watches over factories and stores with cameras and sensors.

SECOM CO., LTD. (9735.T) Security Services: line art illustration of SECOM home security control panel with SOS button and keypad
Centralized System
SECOM's Centralized System links homes and businesses to a round-the-clock monitoring center.

But Secom is not just a burglar-alarm company. It has spread into healthcare, running medical clinics and selling health services, especially for Japan's fast-aging population. It sells insurance too, tying home and life policies to its security customers. And through its BPO and ICT arm, it handles back-office work and IT systems for other companies โ€” everything from call centers to network security. It even runs a business in the United States and other countries, though Japan is where most of its money comes from. Why do customers pay Secom rather than buy a cheap camera and call it a day? Because a camera only watches. Secom answers. Its real product is speed and peace of mind: a human being at a control room who reacts when something goes wrong, plus the maintenance and the trusted name behind it. That recurring subscription model gives Secom a very predictable stream of cash. Its biggest rival at home is Alsok, which battles it for the same alarmed homes and offices.


Secom is old โ€” founded in 1962 โ€” and it has grown steadily by expanding from guarding buildings into guarding people's health and data. It pays a solid dividend and has plenty of cash, and it has used acquisitions over the years to bolt on new services. The risk is that Japan's shrinking workforce and population make some markets tougher, and low-cost DIY cameras chip away at the simple end of security. Secom's answer is to keep bundling more services โ€” medical, insurance, IT โ€” around that monthly alarm fee, so customers stay for the whole package rather than just the box.

Saved answer ยท last researched 12 Nov 2026