- CEO
- Tsuyoshi Murai
- Full Time Employees
- 66,949
- Sector
- Industrials
- Industry
- Security & Protection Services
- Address
- 1-6-6 Motoakasaka Tokyo TY Japan 107-8511
- IPO Date
- Jun 16, 2020
- Business
- ALSOK Co., Ltd. (formerly Sohgo Security Services Co., Ltd.) provides comprehensive security services across Japan and select international markets, including manned guarding; electronic security systems such as home security, alarm monitoring, and AI-driven surveillance; cybersecurity solutions; disaster prevention management; facility maintenance; transportation security; general property management; fire protection services; and specialized offerings like housework contracting and safety confirmation for seniors. Founded in 1965 and headquartered at 1-6-6 Motoakasaka, Minato-ku, Tokyo, the company operates through 10 headquarters, 64 branches, 37 offices, and 255 sales offices nationwide, with a workforce of approximately 38,192 consolidated employees; it maintains overseas presence in Asia, the United States, and other regions through subsidiaries and strategic footholds. Recent developments include a name change to ALSOK Co., Ltd. in April 2025; acquisition of shares in Kanso Co., Ltd. in September 2024; reorganization via company split in Hokkaido in August 2024; treasury stock buyback program authorized in May 2024 and completed with 3.17% of shares repurchased; upward revisions to FY2026 financial forecasts and increased dividends announced in November 2025; and notices of material deficiencies in financial reporting prompting amendments to multiple prior securities reports in May 2025.