Kokusai Building Sangyo

What Kokusai Building Sangyo does

Kokusai Building Sangyo (株式会社国際ビル産業) is a privately held, comprehensive building management and facility maintenance company headquartered in Urasoe City, Okinawa Prefecture, Japan, founded November 8, 1967. The company delivers integrated facility services across eleven categories: cleaning (清掃業務), equipment management (設備管理業務), environmental hygiene (環境衛生業務), fire equipment inspection (消防設備点検業務), construction and renovation (各種工事業務), security (警備業務), home security (KBS Home Security), hotel services (ホテルサービス業務), special building inspection under Building Standards Law Article 12 (特殊建築物検査業務), building management consulting (コンサルティング), and AED sales and rental (AED販売・レンタル). It operates seven locations across Okinawa — a headquarters in Urasoe, a regional hub in Chatan Town, and branch offices in Naha, Okinawa City, Nago, and Haebaru — providing direct service coverage of the entire prefecture.

The company employs approximately 1,300 staff with more than 600 nationally certified personnel, including 1st-class architects, fire equipment engineers (甲・乙種), building cleaning 技能士 (claimed #1 in Okinawa prefecture with 43+ holders), and 106 second-class electrical construction engineers; the equipment management division alone deploys 140+ technical engineers with 24-hour emergency response capability. Kokusai Building Sangyo maintains ISO 9001:2015 (since June 2000), ISO 14001:2015 (since October 2005), and ISO 27001:2022 (since 2015) certifications, the Medical Service Mark (G(7)-102470483), specific and general construction permits (No. 5686), security business certification (No. 97000014), and multiple prefectural environmental sanitation registrations. Notable operational tools include drone-based exterior inspection, the Cardiac ResQ RQ-5000 AED with voice/visual guidance, and KBS Home Security wireless sensors with 24-hour monitoring.

The business model is B2B enterprise sales-led with custom contract pricing and recurring service revenue. Revenue streams span subscription/recurring lines (cleaning, equipment management, security), professional services (construction, inspection, consulting, hotel services), and hardware (AED sales and rentals, with 150+ recorded transactions). The customer base exceeds 500 organizations across five primary verticals — government offices (Okinawa City Hall, Chatan Town Hall), healthcare providers (Okinawa Red Cross Hospital, University of the Ryukyus Hospital), resort hotels (Hilton Okinawa Chatan Resort, Halekulani Okinawa, The Beach Tower Okinawa), corporate HQs (Okinawa Times, au Okinawa Cellular), and residential subscribers — with two affiliated companies (Kyoei Building Maintenance Co., Ltd. and Urban Space Co., Ltd.) operating in adjacent building maintenance and real estate services. Registered capital is ¥57,950,000 and the company is led by Chairman Hiroshi Inoue and President Toshiyuki Sakou, who took office in 2022.

Name

Kokusai Building Sangyo

Legal name

株式会社国際ビル産業

Website

https://kokusai-bs.jp

Company type

Private

Founded year

1967

Operating status

Operating

Headcount range

11–50 employees

Short description

Kokusai Building Sangyo is a privately held Okinawa-based building management company founded in 1967, employing approximately 1,300 staff to deliver integrated cleaning, equipment management, security, inspection, construction, and consulting services to over 500 enterprise and government clients throughout Okinawa Prefecture.

Ownership category

akta.pro rank

Product category

Building Management and Facility Maintenance Services

NAICS

Real Estate Property Managers (53131)

SIC

Services-To Dwellings & Other Buildings (7340), Operators Of Nonresidential Buildings (6512)

akta.pro primary industry

Security, Safety & Fire/Life Safety Management (BPABAAAE)

akta.pro secondary industry

HVAC & Refrigeration Contracting (IMAFALAB)

Keywords

• Building management services
• Facility maintenance
• Cleaning services
• Equipment maintenance
• Security services

Headquarters

HQ city

Urasoe

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Building cleaning services: Comprehensive building interior/exterior cleaning services including daily cleaning, periodic waxing, carpet cleaning, glass cleaning, exterior wall cleaning, and special cleaning. Revenue from contract-based recurring services for office buildings, hospitals, hotels, and commercial facilities.
2. Equipment management services: Building equipment operation and maintenance including electrical systems, HVAC, fire equipment, and energy management. Services delivered by 140+ technicians with 24-hour emergency response capability.
3. Security services: Building security including on-site guarding, mechanical security systems with 24-hour monitoring, parking management, and home security services. 40+ years of security experience with integrated building management.
4. Construction and renovation services: General construction work including restoration, interior layout changes, equipment installation (HVAC, electrical, plumbing, LAN/telephone), room design/expansion, and entry/exit management systems. Provides renovation and lifecycle extension services.
5. Special building inspection services: Mandatory building inspections under Building Standards Law (Article 12), including periodic surveys, building equipment inspections, fire prevention equipment inspections, and playground equipment inspections. Also provides building durability surveys, deterioration diagnosis, and seismic diagnosis.
6. Consulting services: Building management consulting including facility management, lifecycle cost analysis, energy conservation surveys, and PFI (Private Finance Initiative) advisory services. Focuses on operational cost reduction and long-term building management.
7. AED sales and rental: Sales and rental of Cardiac ResQ RQ-5000 AED devices with 150+ sales transactions. Includes training, operation guidance, and ongoing support. Part of 50th anniversary new business initiative.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

Kokusai Building Sangyo is a comprehensive building management company in Okinawa offering integrated facility services under one provider, including cleaning, equipment maintenance, environmental hygiene, fire equipment inspection, construction/renovation, security, home security, hotel services, special building inspection, consulting, and AED sales/rental. The company serves enterprise clients such as government offices, hospitals, hotels, and commercial buildings across Okinawa Prefecture using approximately 1,300 employees with multiple national certifications.

Product overview

Kokusai Building Sangyo is a comprehensive building management company offering integrated building maintenance services in Okinawa. The company operates as a single unified service provider offering eleven distinct service categories: cleaning (清掃業務), equipment management (設備管理業務), environmental health (環境衛生業務), fire equipment inspection (消防設備点検業務), construction services (各種工事業務), security services (警備業務), home security (ホームセキュリティ業務/KBSホームセキュリティ), hotel services (ホテルサービス業務), special building inspection (特殊建築物検査業務), consulting (コンサルティング), and AED sales/rentals (AED販売・レンタル). The portfolio includes one branded product: the Cardiac ResQ RQ-5000 AED unit sold and rented under the AED sales/rental service. All services are delivered by approximately 1,300 employees with extensive technical certifications, and the company leverages ISO 9001, ISO 14001, and ISO 27001 certifications to support quality, environmental, and information security management across its operations.

Differentiator

Problem solved

Functional benefit

Products and services

• Cleaning Services (清掃業務) Building interior and exterior cleaning services including daily cleaning, periodic cleaning, floor waxing, carpet cleaning, glass cleaning, blind cleaning, exterior wall cleaning, and special cleaning. ISO 9001 and ISO 14001 certified. Serves office buildings, hospitals, hotels, and commercial facilities in Okinawa.
• Equipment Management Services (設備管理業務) Building equipment operation and maintenance including electrical systems, HVAC systems, fire equipment, energy monitoring, transformer inspection, and 24-hour emergency response. Over 140 technical staff deliver services suited to Okinawa's harsh environment.
• Environmental Hygiene Services (環境衛生業務) Environmental health management based on Japan's Building Sanitation Law. Services include building air quality measurement, water quality testing, storage tank cleaning, lighting inspection, sewage management, and pest control.
• Fire Equipment Inspection Services (消防設備点検業務) Fire equipment inspection services including legally mandated inspections and fire equipment renovation work performed during building renovations. Services delivered by qualified technicians.
• Construction and Renovation Services (各種工事業務) General construction work including restoration, interior layout changes, equipment design and installation (HVAC, electrical, plumbing, LAN, telephone), room additions, and entry/exit management systems. Supported by licensed architects.
• Security Services (警備業務) Security services with over 40 years of experience including manned facility security, electronic monitoring systems with 24-hour coverage, and parking management for buildings in Okinawa.
• KBS Home Security (KBSホームセキュリティ) Home security system for residential customers in Okinawa protecting against theft, fire, and emergencies. Features wireless sensors, 24-hour monitoring, multiple operation modes, and optional equipment including emergency pendants.
• Hotel Services (ホテルサービス業務) Comprehensive hotel maintenance services including guest room cleaning, public area cleaning, telephone exchange services, equipment management, and security/parking management. Delivered with hospitality mindset for resort and city hotels in Okinawa.
• Special Building Inspection Services (特殊建築物検査業務) Mandatory building inspection services under Japan's Building Standards Law (Article 12). Includes periodic building surveys, building equipment inspections, fire prevention equipment checks, drone-based building exterior inspections, building durability assessments, deterioration diagnosis, and seismic diagnosis.
• Consulting Services (コンサルティング) Building management consulting including management plan creation, lifecycle cost analysis, energy-saving proposals, design-phase advice, facility management, and PFI (Private Finance Initiative) consulting. Focuses on operational cost reduction and long-term building management.
• AED Sales and Rental (AED販売・レンタル) Sales and rental of Cardiac ResQ RQ-5000 AED (Automated External Defibrillator) devices with over 150 sales transactions. Features voice and lamp-based operation guidance, adult/child mode switching, automatic self-testing, IP55 dust/water protection, 1.5m drop resistance, and visual operation indicators with 'Ear Mark' approval for hearing-impaired accessibility. Includes training and ongoing support.

Quantifiable outcome

• AED sales to over 150 customers with training and support
• +2 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record.

• Kyoei Building Maintenance Co., Ltd. (共栄ビル整備株式会社)OthersRelated affiliated company located in Ginowan City, Okinawa. Part of corporate group structure for building maintenance services.
• Urban Space Co., Ltd. (株式会社アーバンスペース)OthersRelated affiliated company located in Naha City. Part of corporate group structure for real estate/space management services.

Scale indicators10 records

Recent moves20 records

Expansion highlights8 records

Regional players

• Haseko Corporation (長谷工コーポレーション): Major Japanese construction and housing company with significant Okinawa presence through condominium and residential development. Comparable through building management and condominium-related services, though primarily a mainland player with regional Okinawan exposure.

Broad incumbents

• SECOM: Japan's largest integrated security services company offering on-site guarding, electronic security, and home security (SECOM Home Security). Comparable through overlapping security and facility services.
• Tokyu Community (東急コミュニティー): Large-scale building management company affiliated with Tokyu Group, providing cleaning, security, equipment management, and construction services. Comparable as a multi-service building/facility management firm with similar service breadth.
• Activia (アクティビア): Tokyo Tatemono Group's property management subsidiary offering commercial building operations, tenant services, and facility management. Comparable in operating nonresidential buildings on behalf of owners.

Direct peers

• Nippon Building Maintenance: Building maintenance services company providing cleaning, security, and facility management across Japan. Comparable through comprehensive B2B building maintenance offerings.
• Duskin (ダスキン): Japan's leading cleaning and maintenance service company with corporate cleaning, pest control, and rental product lines. Closely comparable in building cleaning, environmental hygiene, and recurring B2B service contracts.
• Daiwa Living (大和リビング): Daiwa House Group's property management arm offering apartment and building management, cleaning, and maintenance services. Directly comparable as a comprehensive residential and commercial property management company in Japan.
• Sanki Engineering (三機工業): Building services engineering company specializing in HVAC, electrical, and facility management for commercial buildings. Directly comparable through equipment management, HVAC, and facility operations.
• ALSOK (綜合警備保障): Japan's largest security services provider offering manned guarding, electronic security, and home security (HOME ALSOK). Comparable through Kokusai's manned security, electronic monitoring, and KBS Home Security offerings.

Others

• Toko Electrical Construction (東光電気工事): Electrical construction and facility services company. Comparable as an adjacent specialty contractor supporting equipment management and electrical systems in buildings.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/kokusai_bs

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries2 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 Kokusai Building Sangyo