Oken

Name

Oken

Legal name

株式会社オオケン

Website

https://oken-co.jp

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Product category

Facility Management Services

NAICS

Security Guards and Patrol Services (561612), Investigation, Guard, and Armored Car Services (56161)

SIC

Services-Facilities Support Management Services (8744)

akta.pro primary industry

Disinfection, Sanitization & Infection Prevention Services (BPABABAE)

akta.pro secondary industries

Compliance, Risk & EHS Management (BPABAAAK), Disinfection, Sanitation & Vector-Borne Disease Control Services (IMAIAHAA)

Keywords

• Facility management services
• Building maintenance services
• Commercial cleaning services
• Hospital infection control
• Security guarding services

Headquarters

HQ city

Hiroshima-shi

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Facility Management (FM) Services: 24/7 building comprehensive management including electrical, HVAC, plumbing, elevator, fire prevention equipment operation and maintenance. Includes district heating plant operation, building exterior cleaning, and construction services.
2. Cleanliness Services (クレンリネス): Building interior/exterior cleaning, floor maintenance, carpet care, window cleaning, waste collection and disposal (general and industrial), air conditioning filter cleaning, and landscaping services. Includes specialized medical facility cleaning with infection control.
3. Security Services: Facility guarding (manned/unmanned), traffic guidance and crowd control, parking management, reception services, disaster management, and intrusion alarm system design/installation.
4. Designated Management & PFI: Operating public facilities under designated manager system and PFI (Private Finance Initiative) arrangements. Includes exhibition halls, sports parks, student dormitories, community centers, and government testing centers.
5. Event & Exhibition Services: Event planning, setup, and operation using proprietary Octanorm system panels. Includes exhibition booths, fair setups, exam venue arrangements, and rental equipment.
6. Telephone Exchange & Personnel Dispatch: Telephone exchange services at medical facilities, personnel dispatch for sanitary facility management and school custodial services.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Oken is a building maintenance and integrated facility management company founded in 1965 and headquartered in Hiroshima, Japan. It delivers six core service lines: Facility Management (設備運転管理) covering electrical, HVAC, plumbing, elevator, and fire-prevention equipment operation and maintenance with 24/7 CBM emergency response; Cleanliness (清掃・清潔・消毒) for building and hospital cleaning, waste collection, and disinfection; Security (警備) for facility guarding, traffic guidance, parking and reception services; Designated Management & PFI for public facilities such as exhibition halls, sports parks, and student housing; Event & Exhibition services using proprietary Octanorm panels; and specialized I-CoSS hospital infection-prevention cleaning. Services are sold as managed-service and professional-service contracts to healthcare providers, commercial buildings, and government entities in western Japan.

Product overview

株式会社オオケン (Oken) is a building maintenance company offering integrated facility management services. The company provides six core service lines: ファシリティマネジメント (Facility Management) for equipment operation and maintenance, クレンリネス (Cleanliness) for cleaning and disinfection, セキュリティ (Security) for guarding services, 指定管理・PFI (Designated Management/PFI) for public facilities, イベント・催事 (Events) for event planning, and I-CoSSs for specialized medical infection control cleaning. The company operates a 24/7 CBM Center for emergency response and supports operations through its I-CoSS Academy training program. Additional services include telephone exchange, staffing, and pool facility management.

Differentiator

Problem solved

Functional benefit

Brands

• I-CoSS (アイコス): Infection Control Support System Services - a hospital infection prevention cleaning system developed by Oken incorporating CDC guidelines, EPA-registered chemicals, and specialized training programs
• CBMセンター
• SP事業

Products and services

• Facility Management (ファシリティマネジメント／設備運転管理) Comprehensive building facility management service for commercial buildings and public facilities, including electrical, HVAC, plumbing, elevator, and fire-prevention equipment operation and maintenance, with 24/7 emergency response delivered through the CBM Center.
• Cleanliness (クレンリネス／清掃・清潔・消毒) Comprehensive cleaning services for buildings, hospitals, and commercial facilities including daily cleaning, periodic floor maintenance, carpet and window care, waste collection and disposal (general and industrial), air-conditioning filter cleaning, landscaping, and disinfection services.
• Security (セキュリティ／警備) Security services including facility guarding (manned/unmanned), traffic guidance and crowd control, parking management, reception services, disaster management, and intrusion alarm system design and installation.
• Designated Management & PFI (指定管理・PFI) Designated Manager and PFI (Private Finance Initiative) services for public facilities including exhibition halls, sports parks, international student housing, community centers, and government testing centers under multi-year competitive public tenders.
• Events & Exhibitions (イベント・催事) Event planning, setup, and operation services using proprietary Octanorm system panels for exhibition booths, trade fairs, exam venue arrangements, and rental equipment, featuring 45-degree octagonal joint slits for flexible layouts.
• I-CoSS Services (I-CoSSs／アイコス) Specialized hospital infection prevention cleaning system based on CDC guidelines, featuring eight core principles including zoning management with color control, EPA-registered chemicals, standard precautions, route-specific prevention protocols, proprietary ICT team (medical environment managers, medical welfare advisors, hospital engineers), internal I-CoSS Academy certification, and I-CoSS Testing assessment program for healthcare facilities.
• CBM Center (Condition Based Maintenance Center) 24/7/365 emergency response center providing rapid dispatch for equipment failures and incidents, with patrol inspections, equipment fault detection, and immediate customer reporting for electrical, HVAC, plumbing, and generator systems.
• Diverse Solution Services (多様なソリューションサービス) Solution services bundle including telephone exchange services at medical facilities, personnel dispatch for sanitary facility management and school custodial services, and direct operation of swimming pool facilities during summer season for public sports parks and community centers.

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered related company.

• Billics Co., Ltd. (ビルックス株式会社)related companyOthers · 1 January 2003Related company. Address: 737-0009 広島県呉市阿賀南1-8-49. Phone: 0823(74)5963. Part of the Oken corporate group.
• Daiken Co., Ltd. (株式会社大建)related companyOthers · 1 January 2003Related company sharing headquarters location. Address: 732-0826 広島市南区松川町5番9号食糧会所3階. Part of Oken corporate group.
• Common Seiso Co., Ltd. (コモン計装株式会社)related companyOthers · 1 January 2003Related company. Address: 190-0011 東京都立川市高松町二丁目27番27号TBK高松第2ビル. Phone: 042(525)5155. Part of Oken corporate group.

Scale indicators5 records

Recent moves12 records

Expansion highlights5 records

Broad incumbents

• SECOM: Major Japanese security and facility services provider offering guarding, alarm systems, and integrated facility management. Comparable to Oken's security services segment with broader technology and geographic footprint.
• ALSOK (Sohgo Security Services): Japan's largest security services company providing manned guarding, alarm monitoring, and facility security. Overlaps with Oken's security division (facility guarding, traffic guidance, parking management) but at vastly larger national scale.
• Tokyu Community: Major Japanese FM and condominium management company providing building management, cleaning, security, and repair services to office buildings, commercial facilities, and residential complexes. Comparable service portfolio to Oken with broader geographic reach.
• Aeon Delight: Leading Japanese integrated facility management (IFM) company providing cleaning, security, building maintenance, and pest control to commercial, healthcare, and public facilities nationwide. Direct comparable to Oken's multi-service IFM model, but at significantly larger national scale.

Direct peers

• Nippon Koeki (日本防疫): Japanese disinfection, pest control, and hygiene services company serving commercial, healthcare, and public facilities. Most directly comparable to Oken's I-CoSS infection control and disinfection specialization.
• Dai Nippon Kotsu Musashino (大新東): Japanese facility management and public services company providing cleaning, building maintenance, designated management, and PFI services—directly comparable to Oken's PFI and designated management portfolio.
• Duskin: Japanese cleaning and maintenance services company offering professional cleaning, sanitation, rental, and home care services to commercial and residential customers. Overlaps with Oken's core cleanliness and disinfection business with similar B2B and consumer-facing models.

Regional players

• Haseko Community: Japanese facility management and building maintenance company primarily serving condominiums, offices, and commercial buildings. Comparable FM and cleaning services to Oken, with broader residential management focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Oken