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Japan's largest security guard and alarm-monitoring company, protecting homes, offices and cash-in-transit.
Japan's largest security guard and alarm-monitoring company, protecting homes, offices and cash-in-transit.
Charges monthly fees for monitoring contracts at homes and offices, which makes it a recurring business, while guard staffing and cash-handling services for banks and retailers are billed on contract terms and depend on staff costs. Response teams stationed nationwide support the monitoring service.
In one line: Japan's ADT plus Brink's combined.
Moat: narrow (scale, brand, installed base). Large installed base of monitored alarm systems and nationwide response network are costly to replicate.
Headquarters: Tokyo, Japan · Founded: 1965 · Employees: 66,949
Size Alsok (2331.T) is a Japan Industrials company (Miscellaneous Commercial Services) with a market value of $3.79B, the 302nd largest of 1,379 Japan companies the cockpit tracks. Shares closed at ¥1,174 on 6 Nov 2026.
Performance Over six months the shares fell 1.1%, against +9.2% for the median peer and +1.8% for the Japan market (cap-weighted) — 6th lowest of 21 in its peer set.
Growth Revenue grew 6.7% over the last twelve months (peer median +8.9%); the operating margin is 8.1% (peer median 11.0%).
Valuation It trades at 13.7× forward earnings against a peer median of 14.7× (8th cheapest of 19).
Price implies For today's price to make sense, revenue must grow about -6% a year for seven years (Req g). Recent delivered growth is +5%, so the hurdle is -11 pp: the price already allows for a slowdown.
Capital Return on invested capital runs 4.6 points above its cost of capital (5.0% WACC).
Next results Next results expected around 10 Nov 2026 (exchange calendar; dates can move).
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | |
|---|---|---|---|---|---|
| Revenue | ¥602B | ¥597B | ¥552B | ¥521B | ¥492B |
| Revenue growth | — | +8% | +6% | +6% | — |
| Gross profit | ¥138B | ¥135B | ¥124B | ¥118B | ¥114B |
| EBITDA | ¥73.7B | ¥71.7B | ¥63.5B | ¥59.9B | ¥56.7B |
| Net income | ¥34.9B | ¥33.3B | ¥27.1B | ¥26.6B | ¥23.2B |
| Free cash flow | ¥27.3B | ¥18.8B | ¥30.3B | ¥33.4B | ¥23.3B |
| Capital expenditure | ¥39.2B | ¥39.1B | ¥17.8B | ¥15.5B | ¥17.3B |
| Total debt | ¥29.8B | ¥94.1B | ¥54.7B | ¥50.6B | ¥53.8B |
The default views of Competitor Analysis ▸ Charts, drawn from the same data. Open them in the cockpit to change the axes, pin companies and read every value.
| Company | Market cap | 6M return | Revenue growth | Op. margin | Forward P/E | Req g |
|---|---|---|---|---|---|---|
| Alsok 2331.T | $3.79B | -1% | +7% | 8% | 13.7× | -6.0% |
| Secom 9735.T | $18.8B | +16% | +4% | 13% | 22.7× | -0.3% |
| Carlit 4275.T | n/a | -41% | n/a | n/a | n/a | n/a |
Peer set: Industry: the same industry and sector in any market, nearest in size. This is the same default set the interactive Competitor Analysis opens with.
| Measure | 2331.T | Peer median | Rank in peer set |
|---|---|---|---|
| 1-month return | +1.3% | +3.1% | 11th highest of 21 |
| 6-month return | -1.1% | +9.2% | 6th lowest of 21 |
| Distance from 52-week high | -12.1% | -13.7% | 8th highest of 21 |
| Revenue growth (TTM) | +6.7% | +8.9% | 10th lowest of 21 |
| Operating margin | 8.1% | 11.0% | 7th lowest of 21 |
| Forward P/E | 13.7× | 14.7× | 8th cheapest of 19 |
| Growth the price implies (Req g, 7 yrs) | -6.0% | 4.3% | 5th least demanding of 17 |
| Growth delivered (Del g) | +4.9% | +10.9% | 5th lowest of 17 |
| Hurdle (Req g minus delivered) | -10.9 pp | -7.5 pp | 7th least demanding of 17 |
| ROIC minus cost of capital | +4.6 pp | +3.3 pp | 7th highest of 18 |
| EV / EBITDA | 7.0× | 9.3× | 4th cheapest of 15 |
| Net debt / EBITDA | -1.7× | 1.4× | 3rd least indebted of 15 |
| Company | Market | Market cap | 6M return | Revenue growth | Op. margin | Forward P/E | Req g | Delivered g |
|---|---|---|---|---|---|---|---|---|
| Alsok 2331.T | Japan | $3.79B | -1% | +7% | 8% | 13.7× | -6.0% | +4.9% |
| GEO GEO | United States | $3.66B | +28% | +15% | 12% | 13.5× | 6.8% | +2.3% |
| Centre Testing International 300012.SZ | China | $3.96B | -5% | +15% | 16% | 22.1× | 14.2% | +13.2% |
| Serco SRP.L | United Kingdom | $3.60B | +5% | +1% | 5% | 14.9× | 1.9% | +4.9% |
| PhysicsWallah PWL.NS | India | $4.00B | +18% | +35% | 1% | 100.9× | n/a | n/a |
| SAI Life Sciences SAILIFE.NS | India | $4.02B | +64% | +27% | 21% | 89.2× | n/a | n/a |
| MITIE MTO.L | United Kingdom | $3.56B | +23% | +11% | 3% | 14.2× | 14.1% | +17.6% |
| East Buy 1797.HK | Hong Kong | $4.11B | +22% | +34% | 11% | 38.5× | 18.4% | +54.3% |
| Loomis LOOMIS.ST | Sweden | $3.46B | +12% | +1% | 11% | 12.6× | -9.1% | +9.7% |
| MAXIMUS MMS | United States | $3.43B | +2% | -3% | 11% | 7.9× | -8.5% | +9.4% |
| Shenzhen Fortune Trend Technology 688318.SS | China | $3.36B | -21% | -3% | 56% | 69.5× | n/a | n/a |
| Brink's BCO | United States | $4.54B | +3% | +7% | 10% | 11.8× | 0.1% | +7.3% |
| Teleperformance TEP.PA | France | $4.60B | +3% | -3% | 10% | 5.0× | -10.2% | +12.2% |
| Jianshe Industry Group (Yunnan) 002265.SZ | China | $3.12B | -11% | +42% | 5% | n/a | 26.3% | +47.9% |
| ABM Industries ABM | United States | $3.10B | +32% | +6% | 5% | 12.5× | -2.0% | +7.9% |
| Dizal Pharmaceutical 688192.SS | China | $4.68B | +18% | +720% | 69% | 9.5× | -8.4% | +95.9% |
| JHT Design 603061.SS | China | $3.07B | -8% | +93% | 34% | n/a | 43.9% | +30.4% |
| TriNet TNET | United States | $3.05B | +56% | -4% | 6% | 15.1× | -3.3% | +4.4% |
| L&T Technology Services LTTS.NS | India | $4.79B | +13% | +2% | 15% | 29.4× | 31.0% | +15.1% |
| Aalberts AALB.AS | Netherlands | $4.87B | +6% | 0% | 10% | 14.6× | 12.9% | +3.4% |
| Jiangsu Boqian New Materials Stock 605376.SS | China | $2.94B | -43% | +76% | 20% | 38.8× | n/a | n/a |