Morimoto

What Morimoto does

Morimoto Corporation (株式会社森本組) is a privately held Japanese general construction company headquartered in Osaka, founded according to firmographic records in 1975, though the company itself emphasizes over 130 years of continuous operating heritage. The firm delivers civil engineering and building construction services nationwide through branch offices in Osaka (headquarters), Tokyo, Nagoya, Hiroshima, and Kagawa, and executes projects across seven Japanese regions. Its core offerings span residential buildings, commercial facilities, mixed-use developments, civil infrastructure (roads, tunnels, bridges, railways), seismic retrofitting, historical restoration, and — more recently — renewable energy facilities such as utility-scale solar power plants.

The company's technical backbone rests on an Integrated Management System (IMS) combining quality and environmental management, proprietary construction methodologies including the Urban Ring Method and Oil Cutter System, and an in-house MK System software platform that is licensed to partner construction firms for documentation and process coordination. Underlying technology is conventional civil and structural engineering rather than digital or AI-driven systems; no machine learning, automation, or data-fabric capabilities are referenced.

Commercially, Morimoto operates a project-based, quote-driven revenue model: public-sector work is secured through competitive bidding under Japanese government procurement frameworks (with the firm holding Osaka City's FY2021 Excellent Performance Evaluation Award), while private-sector work is won through direct engagement with real estate developers and infrastructure operators. The customer base is anchored by repeat engagements with Mitsubishi Estate Residence, Tokyu Corporation, Mori Motoki Holdings, West Nippon Expressway, Hankyu, Kinki Nippon Railway, MLIT, and educational/medical institutions such as Juntendo University. All revenue is domestic — there is no global footprint — and the company is privately held with no disclosed parent, investor, or M&A history.

Name

Morimoto

Legal name

株式会社森本組

Website

https://morimotogumi.co.jp

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

251–500 employees

Short description

Morimoto Corporation (株式会社森本組) is a privately held Japanese general construction company headquartered in Osaka, delivering civil engineering, building construction, seismic retrofitting, and increasingly renewable energy projects for government agencies and major real estate developers across Japan.

Ownership category

akta.pro rank

Product category

Construction and Engineering Services

NAICS

Commercial and Institutional Building Construction (23622), Industrial Building Construction (23621), Commercial and Institutional Building Construction (236220), Residential Building Construction (23611)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Office & Corporate Building Construction (IMAFACAA)

akta.pro secondary industries

Interchanges, Ramps & Flyovers Construction (IMAFAEAD), Warehousing, Distribution & Cold Storage Facility Construction (IMAFADAL), Public Works & Municipal Infrastructure (Streets, Stormwater, Facilities) (BPAIACAF)

Keywords

• Construction engineering services
• Civil engineering construction
• Building construction
• Seismic retrofitting services
• Infrastructure construction

Headquarters

HQ city

Osaka

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Revenue generated from construction projects including residential buildings, commercial facilities, civil engineering works (tunnels, bridges, roads), and seismic retrofitting. Projects range from private residential developments to large-scale public infrastructure.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Morimoto Corporation provides general construction services, specializing in civil engineering and building construction across Japan. The company delivers residential buildings, commercial facilities, and large-scale public infrastructure projects including tunnels, bridges, and roads, alongside seismic retrofitting and historical building restoration. It operates an Integrated Management System combining quality and environmental management to support its construction delivery.

Product overview

株式会社森本組 (Morimoto Corporation) is a general construction company offering civil engineering, building construction, and environmental solution services. The company does not operate a traditional product portfolio but provides construction and engineering services including residential buildings, commercial facilities, infrastructure (roads, tunnels, bridges), and disaster recovery projects. Technical offerings include specialized construction methodologies such as the Urban Ring Method (アーバンリング工法) and Oil Backter System (オイルバクターシステム), available as downloadable catalogs. The company also operates an internal MK system for partner company coordination.

Differentiator

Problem solved

Functional benefit

Products and services

• Urban Ring Method (アーバンリング工法)

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Eight partnerships are on record, tiered core, major and minor.

• West Nippon Expressway Company Limited (西路高速道路株式会社)coreStrategic or Co-development PartnerOngoing partnership for expressway infrastructure maintenance including seismic retrofitting projects on the Takamatsu Expressway. Multiple bridge seismic reinforcement projects completed including 国分寺高架橋 and 府中高架橋.
• Hankyu Corporation (阪急フォリオ株式会社)coreStrategic or Co-development PartnerPartnership for railway station barrier-free renovation projects on the Arashiyama Line, including upgrades to three stations (上桂駅・松尾大社駅・嵐山駅) and platform modifications at Arashiyama Station.
• Tottori Prefecture (鳥取県)coreStrategic or Co-development PartnerConstruction of the Fudoin Iwadono Tunnel on National Route providing critical regional infrastructure connectivity.
• Kinki Nippon Railway Co., Ltd. (近畿日本鉄道株式会社)coreStrategic or Co-development PartnerSlope stabilization and protection work (法面対策工) on the Osaka Line, contributing to railway safety infrastructure.
• Japan Sewerage Development Organization (日本下水道事業団)majorStrategic or Co-development PartnerRestoration and construction of the Akabori Adjustment Reservoir contributing to flood control infrastructure in Miyagi Prefecture.
• Ministry of Land, Infrastructure, Transport and Tourism Government Buildings Division (国土交通省官庁営繕部)coreStrategic or Co-development PartnerRestoration of the Constitutional Memorial Museum (憲政記念館), a historic government building in Tokyo's Chiyoda Ward.
• Chiba University of Commerce (千葉商科大学)minorStrategic or Co-development PartnerConstruction of 2.46MW solar power generation facility with 10,032 solar modules at the Noda campus, demonstrating renewable energy expertise.
• Sharp Corporation (シャープ株式会社)minorStrategic or Co-development PartnerConstruction of 2.3MW solar power generation facility with 9,288 solar modules at Otaki Town, demonstrating partnership with technology companies for renewable energy projects.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/morimoto_gumi
• YouTubeyoutube.com/@morimoto_gumi/featured
• Facebookfacebook.com/morimotogumi.saiyo
• Instagraminstagram.com/morimotogumi

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

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 Morimoto