What MMS MANSION MANAGEMENT SERVICE CO., LTD. does

MMS Mansion Management Service Co., Ltd. is a privately held Japanese property management company founded in 1986 and headquartered in Sapporo, Hokkaido, with a secondary headquarters in Tokyo. The company manages residential condominiums, rental apartment buildings, and commercial buildings on behalf of private owners, condominium management associations, and government housing authorities, operating through a network of 16 branch and office locations across Hokkaido, Akita, Niigata, and Hiroshima prefectures. As of March 31, 2025, MMS managed 52,665 condominium units, 4,827 rental apartment units, and 47 commercial buildings, and serves as designated administrator for Hokkaido prefectural government housing and municipal public housing programs in Sapporo, Tomakomai, Noboribetsu, Kutchan, Iwanai, Yoichi, and other municipalities, as well as for the nationally important cultural property Sapporo Clock Tower.

MMS delivers five integrated service lines: condominium management, rental apartment management, building management and operations, building maintenance consulting, and comprehensive life support services. The underlying operations platform supports accounting administration, equipment maintenance, cleaning, security monitoring, front-desk and concierge operations, meter reading, utility billing, contractor coordination, and long-term repair planning. The company operates a self-reliant (自前主義) model in which cleaning, inspection, and management operations are performed by directly trained employees rather than outsourced to subcontractors. Quality and data practices are anchored by ISO9001:2015 certification (JMAQA-1137) for administrative, accounting, and building maintenance consulting services, and Privacy Mark certification for personal information handling.

Revenue is generated primarily through recurring subscription-style management fees paid by condominium management associations, rental property owners, and commercial building owners, supplemented by managed services contracts for government public housing programs and professional services fees for building maintenance consulting. Pricing is determined via individual contract negotiation rather than standardized public pricing, and the go-to-market motion is enterprise field sales combined with government procurement and designated management tendering. MMS has pursued steady geographic and contract expansion over four decades, including the 2025 acquisition of Hokkaido Techno Service Co., Ltd. as a wholly-owned technical services subsidiary and the opening of two new offices (Noboribetsu in April 2025 and Kitami in June 2025). The company remains independently operated with no identified parent or external private equity sponsor.

Name

MMS MANSION MANAGEMENT SERVICE CO., LTD.

Legal name

MMS MANSION MANAGEMENT SERVICE CO., LTD.

Website

https://mms-jp.net

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Japanese private property management firm founded 1986, managing 52,665 condominiums, 4,827 rental units, and 47 commercial buildings across 16 branches in Hokkaido and northern Japan, with designated management contracts for multiple government housing authorities.

Ownership category

akta.pro rank

Product category

Property Management Services

NAICS

Residential Property Managers (531311), Real Estate Property Managers (53131), Lessors of Nonresidential Buildings (except Miniwarehouses) (531120)

SIC

Operators Of Apartment Buildings (6513), Operators Of Nonresidential Buildings (6512), Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Multifamily Apartment Property Management (BPAJAFAA)

akta.pro secondary industry

Office Property Management (BPAJAGAA)

Keywords

• Condominium management services
• Building management operations
• Rental apartment management
• Public housing administration
• Building maintenance consulting

Headquarters

HQ city

Sapporo

HQ country

Japan

HQ region

Asia

Offices15 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Condominium Management Services: MMS manages common areas, equipment, and administrative functions of privately owned condominium complexes on behalf of resident management associations, generating recurring management fees.
2. Rental Apartment Management Services: Management services for rental apartment buildings, including tenant relations, maintenance, and property administration.
3. Building Management and Operations: Commercial and office building management services covering operations, tenant management, and facility maintenance.
4. Public Housing Designated Management: MMS serves as designated administrator for government-operated housing (Hokkaido government housing, Sapporo city housing, Tomakomai city housing, Noboribetsu city housing), managing tenant recruitment, lottery systems, and ongoing housing administration.
5. Building Maintenance Consulting: Consulting services for building preservation and maintenance planning, including long-term repair schedules and capital planning.
6. Comprehensive Life Support Services: Additional resident-facing services including delivery reception, concierge, and lifestyle support services.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

MMS MANSION MANAGEMENT SERVICE CO., LTD. is a property management company offering condominium management, rental apartment management, commercial building management, building maintenance consulting, and comprehensive life support services. The company manages 52,665 condominium units, 4,827 rental apartment units, and 47 buildings as of March 31, 2025, and serves as designated manager for Hokkaido and municipal public housing programs plus heritage properties such as the Sapporo Clock Tower. Services are delivered through an in-house self-reliant model with directly trained staff rather than subcontractors, supported by 16 branch and office locations across northern and western Japan.

Product overview

MMS MANSION MANAGEMENT SERVICE CO., LTD. operates as a property management company offering a portfolio of five integrated services: condominium management, rental apartment management, building management/operation, building maintenance consulting, and comprehensive life support. The company follows a "self-reliant" (自前主義) approach, handling cleaning, management operations, inspections, and emergency response in-house rather than outsourcing to third parties. Services are delivered through a network of branch offices across Hokkaido, Akita, Niigata, and Hiroshima prefectures, with operations covering both private residential properties and public housing (道営住宅, 市営住宅).

Differentiator

Problem solved

Functional benefit

Products and services

• Condominium Management Business (分譲マンション管理事業) Management services for condominium (apartment) buildings, including maintenance, cleaning, reception, equipment inspection, and 24-hour emergency response services. Provided for condominium management associations on behalf of unit owners.
• Rental Apartment Management Business (賃貸マンション管理事業) Management services for rental apartment buildings, including tenant relations, maintenance, rent collection, and operational support for individual and institutional property owners.
• Building Management and Operation Business (ビル管理・運営事業) Building management and operation services for commercial buildings and facilities, covering operations, tenant management, and facility maintenance for commercial office and retail property owners and investors.
• Building Maintenance Consulting Business (建物維持保全コンサルティング事業) Consulting services for building maintenance planning, including repair and maintenance strategy development, long-term repair schedules, and capital planning for building preservation.
• Comprehensive Life Support (総合ライフサポート) Comprehensive life support services including concierge, package acceptance/delivery reception, and various resident assistance services for condominium and rental apartment residents.

Named customers8 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• Hokkaido Techno Service Co., Ltd. (北海道テクノサービス株式会社)coreStrategic or Co-development Partner · 1 January 2025MMS acquired Hokkaido Techno Service as a subsidiary in January 2025, strengthening its capabilities in building maintenance and technical services within the Hokkaido region.
• City of Sapporo (札幌市)coreStrategic or Co-development Partner · 1 April 2018MMS serves as designated manager of the historic Sapporo Clock Tower (Sapporo Shi Tokeidai), a nationally designated important cultural property, under a joint management arrangement.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• UR Community Co., Ltd. Spin-off from Urban Renaissance Agency (UR) providing management services for UR public rental housing and adjacent properties. Directly comparable as a designated manager of public-sector rental housing, an area where MMS has notable government contracts.

Regional players

• JR Hokkaido Residential Service (Hokkaido area managers): Regional property manager serving Hokkaido with condominium management and rental housing services. A regional peer competing directly with MMS in its core Hokkaido territory.

Broad incumbents

• Mitsubishi Jisho Residence Co., Ltd. Mitsubishi Estate group company providing condominium management and after-sales services for premium residential properties. A broader incumbent with national reach and developer-affiliated supply, comparable in service category to MMS.
• Daiwa Living Management Co., Ltd. Subsidiary of Daiwa House Industry offering rental property, condominium, and senior living management across Japan. A larger, broader incumbent operating in the same property management category as MMS.

Direct peers

• Tokyu Housing Lease Corporation: Tokyu Fudosan group company focused on condominium and rental property management and leasing services. Comparable to MMS in serving both condominium associations and rental apartment owners.
• Haseko Community Co., Ltd. Subsidiary of Haseko Corporation and a leading condominium management company in Japan. Directly comparable to MMS as a residential-focused property manager serving management associations with recurring management fee revenue.
• Nippon Steel Community Co., Ltd. (Nittoku Community): Mid-sized Japanese condominium and building management firm offering integrated property management, building maintenance, and resident services. Closely comparable business mix and revenue model to MMS.
• Tokyu Community Corporation: One of Japan's largest independent condominium and building management companies, managing over 260,000 residential units and a broad portfolio of commercial properties. Highly comparable to MMS as a multifamily management specialist with designated management contracts and a self-operating service model.
• Tatemono Community Co., Ltd. Condominium management company affiliated with Tokyo Tatemono, providing management, cleaning, and building maintenance services. Directly comparable offering and customer base to MMS's condominium management business.
• Cosmol Co., Ltd. Japanese property management and condominium support company providing management, cleaning, and resident services. Comparable mid-sized peer with a similar service portfolio to MMS.

Market position

Strengths5 records

Weaknesses2 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mms-mansion-management-service-.co-ltd

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 MMS MANSION MANAGEMENT SERVICE CO., LTD.