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ALSOK Co., Ltd.: Business Overview, Financials & Competitive Analysis

ALSOK Co., Ltd. scores 7/10 on the AskCyborg Cyborg Score (Strong). Established Japanese security leader with diversified services and stable cash flows, well-positioned in aging demographic trends through nursing care expansion. ALSOK demonstrates stable financial performance with $3.88B in trailing twelve-month revenue and $3.38B market capitalization as of Q3 2025. The company benefits from diversified revenue streams and market leadership.

What is ALSOK Co., Ltd.'s industry? ALSOK Co., Ltd. (alsok.co.jp) operates in Security Services & Integrated Facility Management. AskCyborg classifies ALSOK Co., Ltd. under Security Services & Integrated Facility Management in its company registry.

ALSOK engages in electronic, stationed, and transportation security services in Japan and internationally. The company operates a diversified security and facility management business spanning residential and corporat...

7/ 10Strong

Cyborg Score thesis

Established Japanese security leader with diversified services and stable cash flows, well-positioned in aging demographic trends...

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Industry Security Services & Integrated Facility Management
2 named competitors
3 recent developments
11 analyst dimensions
Synthesized from analyst-debate stress-testing across 11 dimensions and hundreds of data points. Methodology →
Cyborg Score recalibrated: September 14, 2026
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What's in This Report
ALSOK Co., Ltd. OverviewStrategic ProfileCompetitive LandscapeIndustry ContextKey facts
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ALSOK Co., Ltd. Overview

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ALSOK engages in electronic, stationed, and transportation security services in Japan and internationally. The company operates a diversified security and facility management business spanning residential and corporate segments, with expanding service offerings in care services and facility management.

Strategic Profile

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The company operates through Security Business, Comprehensive Management and Disaster Prevention Business, Nursing Care Business, and Other Services segments. ALSOK holds a strong position in Japan's security sector with integrated solutions ranging from core security operations to elder care and facility management services.

Competitive Landscape

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ALSOK operates in Japan's competitive security services market alongside larger rival SECOM and smaller regional players. The company leverages integrated service offerings combining core security with facility management and nursing care to differentiate from pure-play security providers. Market consolidation and demographic shifts are reshaping competitive dynamics.

Industry Context

ALSOK Co., Ltd. operates in Security Services & Integrated Facility Management.

Key facts

Founded: 1965 · Headquarters: Tokyo, Japan · Employees: 20000-50000 · Revenue: $3.88B · Market cap: $3.38B

What the analysts stress-tested

The top findings that survived the multi-agent debate for ALSOK Co., Ltd..

  • Company rebranded from Sohgo Security Services to ALSOK in July 2025, signaling renewed brand positioning in core markets
  • SECOM and Reliable Fire & Security are primary competitors, indicating competitive landscape dominated by established players
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Recent developments

Material events tracked by the AskCyborg corpus.

  • July 2025Company rebranded from Sohgo Security Services Co., Ltd. to ALSOK Co., Ltd.
  • December 2025Acquisition of Heiwa Kanzai to expand business capabilities
  • +1 moreTrack every material event for ALSOK Co., Ltd. as it happens. Explore monitoring →
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Named competitors

Pulled from the analyst-debate framework. Click any competitor to see their Cyborg Score.

Security ServicesJapan's largest integrated security and life safety company→Fire & Security ServicesRegional fire protection and security services provider→

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Industry context

ALSOK Co., Ltd. operates in Security Services & Integrated Facility Management. See how the rest of the sector scores on the Cyborg framework.

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Frequently asked questions

What does ALSOK Co., Ltd. do?+
ALSOK engages in electronic, stationed, and transportation security services in Japan and internationally. The company operates a diversified security and facility management business spanning residential and corporat...
What is ALSOK Co., Ltd.'s Cyborg Score?+
ALSOK Co., Ltd. has a Cyborg Score of 7/10 (Strong). The score synthesizes business model, financials, leadership, competitive position, technology, marketing, and ESG dimensions across hundreds of data points.
Who are ALSOK Co., Ltd.'s main competitors?+
Named competitors include Security Services, Fire & Security Services. The full competitive landscape is in the AskCyborg report.
How can I get the full ALSOK Co., Ltd. research report?+
Get the report plus analyst-debate audio at askcyborg.com -- no credit card required for preview access. Pro adds saved-company audio playlists and monitoring.
How current is the ALSOK Co., Ltd. research?+
The Cyborg Score is recalibrated weekly. Recent developments are tracked continuously and surfaced in every report.

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