YBS

What YBS does

YBS (Yamagata Building Service / 株式会社山形ビルサービス) is a privately held Japanese building maintenance company founded in January 1957 in Yamagata City as the first building maintenance operator in the Tōhoku region. The company delivers integrated facility management services — daily and specialized cleaning (including hospital infection control and clean-room cleaning), building equipment management (electrical, HVAC, plumbing, boilers, elevators, stage equipment), on-site security, environmental health management and testing, hospitality staffing, and property management — primarily to commercial building owners, healthcare facilities, manufacturing sites, and municipal/public institutions in Yamagata Prefecture and Sendai. YBS employs 1,490 workers (340 male, 550 female, 600 part-time; 890 FTE) and operates a headquarters in Yamagata plus six regional offices across Yamagata Prefecture and Sendai. The company claims regional No. 1 market share in Yamagata across its service categories.

The company's service platform combines a 24/7/365 remote building monitoring control center with AI-equipped autonomous floor-cleaning robots, both introduced to mitigate Japan's chronic labor shortages in cleaning. Property management workflows are supported by Third Inc.'s Kanri-Roid platform. YBS delivers services both directly and through three wholly-owned subsidiaries: Yamagata Keibi Hō (security, established 1969), Tōhoku Rentaru (equipment rental and cleaning, established 1971), and Tetras (environmental analysis, established 1993). The company also holds 15+ regulated licenses including Privacy Mark certification (2006) and the medical-related service mark, and it has been active in PFI and designated-manager contracts for public facilities such as the Yamagata Youth Lodge and Higashine Manabia Terrace.

YBS generates revenue primarily through managed-service contracts billed on quote-based terms to enterprise and public-sector customers via direct enterprise field sales and government procurement tenders. Public-sector revenue derives from PFI/designated-manager fees (e.g., the Yamagata Youth Lodge, where accommodation rates range from ¥480-¥1,400/night). The company supplements its commercial GTM with localized marketing — sports sponsorships (Montedio Yamagata, Passlab Yamagata Wyverns), cultural event sponsorships, and CSR via the Yoda Education Foundation and child welfare donations — reinforcing its regional brand across Yamagata. Recent corporate actions (Dec 2024 homepage and recruitment site relaunch) signal continued investment in talent acquisition to sustain service delivery under tightening labor supply.

Name

YBS

Legal name

株式会社山形ビルサービス

Website

https://ybma-ybs.co.jp

Company type

Private

Founded year

1957

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

YBS (Yamagata Building Service) is a privately held Japanese building maintenance company founded in 1957, delivering integrated facility management — cleaning, equipment management, security, environmental health, staffing, and property management — to commercial, healthcare, and government clients across Yamagata Prefecture and Sendai.

Ownership category

akta.pro rank

Product category

Building Maintenance Services

NAICS

Facilities Support Services (561210), Services to Buildings and Dwellings (5617), Facilities Support Services (56121)

SIC

Services-Facilities Support Management Services (8744)

akta.pro primary industry

Hard Services (MEP/HVAC, Electrical, Plumbing) (BPABAAAA)

akta.pro secondary industries

HVAC Service, Maintenance & Repair (BPABACAA), Chillers, Boilers & Central Plant Operations (BPABACAG), Helpdesk & Service Request Coordination (FM Call Handling/Dispatch) (BPABAEAI)

Keywords

• Building maintenance services
• Facility management services
• Commercial cleaning services
• Building equipment management
• Property management services

Headquarters

HQ city

Yamagata-shi

HQ country

Japan

HQ region

Asia

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Building Cleaning & Maintenance Services: Recurring and one-time cleaning services for commercial buildings, hospitals, factories, and residential properties, including daily cleaning, periodic deep cleaning, special cleaning (chandeliers, facades), hospital clean-room cleaning, and waste removal. This is the core revenue stream.
2. Equipment Management & Facility Operations: On-site or remote management of building electrical, HVAC, plumbing, boiler, elevator, and stage equipment. Includes legal inspection services and repair/renovation works. Services are billed on contract terms.
3. Security Services (Stationed Guard): Security guards stationed at client facilities performing patrols, access control, fire equipment monitoring, and pool surveillance. Provided through group company Yamagata Keibi Ho.
4. Staffing / Temporary Personnel Dispatch: Dispatch of trained hospitality staff for telephone operator and information desk roles at client offices and facilities.
5. Environmental Health Management & Testing: Air quality measurement, water tank cleaning, drinking water testing, drainage槽 cleaning, grease trap cleaning, rodent/pest control, and medical facility infection control. Provided through group company TETRAS.
6. Property Management (PFI & Designated Manager): Managing public social education facilities (e.g., Yamagata Youth Lodge) and cultural buildings under PFI and designated-manager contracts. Revenue derived from municipal government service fees.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

YBS (Yamagata Building Service) provides integrated building maintenance and management services to commercial, institutional, and public-sector facility owners across Yamagata Prefecture and Sendai. Its service portfolio covers daily and specialized building cleaning (including hospital clean-room and infection-control cleaning), electrical/HVAC/boiler/elevator equipment management backed by a 24/7 remote monitoring control center, on-site security guarding, building environmental health management (water testing, air measurement, pest control), temporary staffing of telephone operators and information-desk personnel, periodic statutory inspections, and full property/PFI management. Services are delivered by its own workforce and three wholly-owned group subsidiaries (Yamagata Keibi Hoshō, Tōhoku Rentaru, Tetras).

Product overview

YBS is a comprehensive building maintenance company offering integrated services under a unified platform. The core portfolio includes Building Cleaning (ビルクリーニング) for daily and specialized cleaning, Equipment Management (設備管理) with 24/7 remote monitoring, Building Environmental Health Management (建築物環境衛生管理), On-site Security (常駐警備), Staffing Services (人材派遣), and Property Management (プロパティマネジメント). The company also manages the Yamagata Prefecture Youth House (山形県青年の家) as a designated management service. Services are delivered through multiple departments and group companies (山形警備保障, 東北レンタル, テトラス) working in coordination to provide comprehensive building lifecycle support.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Cleaning (ビルクリーニング) Comprehensive cleaning services for commercial, residential, hospital, and cleanroom environments, including daily cleaning, periodic deep cleaning, floor waxing, carpet cleaning, window cleaning, façade cleaning, chandelier cleaning, hospital sterile-area and cleanroom cleaning, and waste removal. Sold to building owners, property managers, hospitals, and factories in Yamagata Prefecture and Sendai.
• Equipment Management (設備管理) Management and maintenance of building electrical, HVAC, plumbing, boiler, elevator, and stage equipment by certified technicians (boiler engineers, electricians, electrical chief engineers), supported by a 24/7/365 remote monitoring control center, legal inspections, and repair/renovation works. Sold to building owners, hospitals, factories, and public facilities.
• On-site Security (常駐警備) Stationed security guards performing patrols, access control, fire-prevention equipment monitoring, and pool surveillance for commercial and institutional facilities. Provided through group company Yamagata Keibi Hoshō Co., Ltd. Sold to commercial and institutional facility owners.
• Building Environmental Health Management (建築物環境衛生管理) Environmental health services including air quality measurement, water tank cleaning, drinking water quality testing, drainage/grease trap cleaning, rodent and pest control, and medical-facility infection control. Provided through group company Tetras Co., Ltd. Sold to building owners, hospitals, and factories.
• Staffing Services (人材派遣) Temporary personnel dispatch providing hospitality-trained telephone operators and information-desk staff for client offices and facilities. Sold to commercial building owners and facility operators requiring front-desk coverage.
• Periodic Building & Fire Equipment Inspections (特定建築物定期調査・建築設備定期検査・消防設備定期検査) Statutory periodic inspections covering specific buildings, building equipment, and fire-prevention equipment, conducted by qualified personnel to ensure compliance with Japanese building safety law. Sold to building owners and property managers subject to legal inspection requirements.
• Property Management (プロパティマネジメント) Property management services including building equipment management, tenant negotiations, consulting, PFI project management, designated-manager contracts, and condominium management. Sold to commercial building owners, condominium associations, and municipal/prefectural governments.
• Yamagata Prefecture Youth House (山形県青年の家) Management Designated-manager and PFI operation of the Yamagata Prefecture Youth House, a public youth education facility accommodating up to 214 overnight guests, providing training rooms, gymnasium, cafeteria, and educational programming under contract with Yamagata Prefecture.

Quantifiable outcome

• 73 building management technicians on staff
• +3 more outcomes

Named customers2 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

Integration1 record

AI capability4 records

Feature2 records

Partnerships

Six partnerships are on record, tiered core, supporting and minor.

• Tendo Kyūshoku Center (天童給食センター)coreOthersTendo Kyūshoku Center is a food service provider and one of three consortium partners managing the Yamagata Youth Lodge (山形県青年の家) under the PFI/designated-manager arrangement alongside YBS and Nogawa Gas.
• Nogawa Gas Home Systems (野川ガス住宅設備)coreOthersNogawa Gas Home Systems is a gas and home equipment company and one of three consortium partners managing the Yamagata Youth Lodge (山形県青年の家) under the PFI/designated-manager arrangement alongside YBS and Tendo Kyūshoku Center.
• Third Inc. (株式会社THIRD)supportingTechnology or IntegrationThird Inc.'s Kanri-Roid platform is integrated into YBS's property management operations for process automation and efficiency.
• Montedio Yamagata (モンテディオ山形)minorGTM or Marketing PartnerBronze partner of Montedio Yamagata professional football club. YBS's company name and branding appear on banners and flags at matches, providing visibility to local fans and community members.
• Passlab Yamagata Wyverns (パスラボ山形ワイヴァンズ)minorGTM or Marketing PartnerOfficial sponsor of the Passlab Yamagata Wyverns professional basketball team. YBS's company name is displayed on practice bibs/jerseys.
• Yamagata Youth Lodge (山形県青年の家)coreStrategic or Co-development PartnerYBS is the lead managing company (管理企業体) of the Yamagata Youth Lodge public youth education facility under a PFI/designated-manager contract with Yamagata Prefecture. The facility accommodates up to 214 overnight guests and includes training rooms, a gymnasium, cafeteria, and lounges.

Scale indicators8 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Nippon Kanzai Co., Ltd. Nippon Kanzai is a major Japanese building management and security services company offering integrated FM to office buildings, commercial facilities, and public institutions. Closely comparable to YBS in service breadth (building management, security, environmental hygiene) and customer segments (commercial + public).
• Tokyu Community Corp. Tokyu Community is a Japanese building management and condominium management firm serving office, retail, and residential properties primarily in the Tokyo metropolitan area. Comparable to YBS in integrated building and property management offerings, though with a metropolitan and condominium focus.
• Nihon Building Maintenance Co., Ltd. Nihon Building Maintenance is a Japanese building maintenance firm offering cleaning, equipment management, and security services to office buildings, hotels, and commercial facilities. Closely comparable to YBS in core building maintenance service offering and customer mix.
• Actio Corporation (アクシオ): Actio is a Japanese facility management and cleaning services provider with operations across multiple regions. Comparable to YBS in providing cleaning, building management, and security services to commercial and public-sector customers, with similar regional and multi-site operating model.
• Duskin Co., Ltd. Duskin is a leading Japan-wide provider of cleaning services, dust-control products, and uniform rental with a strong franchise model. Comparable to YBS as a core cleaning and hygiene services competitor, with far greater brand reach and product diversification.
• Aeon Delight: Aeon Delight is one of Japan's largest comprehensive facility management and cleaning service providers, serving retail, commercial, and logistics facilities nationwide. Directly comparable to YBS in offering integrated building management (cleaning, equipment, security, environmental services) under one roof, though at substantially greater national scale.
• Sankyo Tateyama Co., Ltd. Sankyo Tateyama is a Japan-based provider of building services, cleaning, and facility management for commercial, retail, and transportation facilities. Directly comparable to YBS in integrated facility services delivery and customer overlap in commercial real estate.

Broad incumbents

• ALSOK (Sohgo Security Services): ALSOK is one of Japan's largest security services conglomerates offering stationary guarding, electronic security, and facility management. Comparable to YBS via its security subsidiary overlap (Yamagata Keibi Hoshō) and broader facility services, though much larger and security-focused.
• Kandenko Co., Ltd. Kandenko is a major Japanese electrical and facility engineering contractor providing electrical installation, HVAC, and building equipment services. Comparable to YBS in equipment management and MEP-related services, but operating as a broader construction/engineering incumbent rather than a pure FM specialist.

Regional players

• JR East Mechatronics: JR East Mechatronics provides building and station facility management, cleaning, and equipment maintenance primarily across the JR East rail network in eastern Japan including the Tohoku region. Regionally overlapping with YBS in Tohoku facility services with a railway-focused customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCa1clWRRf6Ju6H2bAXCaVnw
• Instagraminstagram.com/seinen_yamagata

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 YBS