What Reiwa Construction does

Reiwa Construction Co., Ltd. (令和建設株式会社) is a private Japanese general construction company founded on October 2, 1963 and headquartered in Moriya City, Ibaraki Prefecture. The company operates as a single integrated general contractor delivering civil engineering works (roads, bridges, pavement, water infrastructure, foundation improvement) and building construction (schools, welfare facilities, commercial buildings, industrial facilities) for primarily public-sector clients across Ibaraki Prefecture and the broader Kanto region. It is a member of the Tomoe Corporation Group (巴コーポレーショングループ) and holds a special contractor license from Ibaraki Prefecture, ISO9001 quality certification (since April 2001), and BCP certification from the Ministry of Land, Infrastructure, Transport and Tourism.

The company's core service offering is construction management (施工管理) covering safety control, quality control, and schedule management, delivered through three product lines: civil engineering services, building construction services, and standalone construction management services. Notable technical capabilities include 34 certified technical staff (10 first-class civil engineering construction managers, 8 first-class building construction managers, 2 first-class architects, and other specializations) and proprietary use of the IPH crack injection method for bridge repair. Drone technology is employed for site inspection and community outreach, but the technology stack is otherwise conventional construction.

The business model is project-based revenue earned through competitive public tender bidding (入札) for government works and direct sales engagement for private-sector clients. Government procurement (prefectural and municipal agencies) is the primary channel, with private construction (factories, commercial buildings, residential, facilities) as a secondary stream, supplemented by maintenance and repair services. Pricing is determined through competitive bidding for public works and quoted per project for private works; no software/SaaS or recurring revenue model exists. Marketing emphasizes community engagement via a corporate website, Facebook, Instagram, local event sponsorships, and high-school outreach programs. In December 2024 the company completed a new 2-story self-built headquarters building as a 60th anniversary commemorative project, and in April 2026 Toshikazu Hashi (端 利一) was appointed Representative Director and President.

Name

Reiwa Construction

Legal name

令和建設株式会社

Website

https://reiwakk.co.jp

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

11–50 employees

Short description

Reiwa Construction Co., Ltd. is a private Japanese general contractor founded in 1963, headquartered in Moriya City, Ibaraki Prefecture. It delivers civil engineering and building construction services primarily to prefectural and municipal government clients across Ibaraki and the Kanto region through competitive public tender bidding.

Ownership category

akta.pro rank

Product category

General Construction Services

NAICS

Nonresidential Building Construction (2362), Heavy and Civil Engineering Construction (237), Commercial and Institutional Building Construction (236220)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Heavy Construction Other Than Bldg Const - Contractors (1600), Operative Builders (1531)

akta.pro primary industry

Construction Management (Agency/Owner’s Rep) (IMAFAAAC)

akta.pro secondary industries

Office & Corporate Building Construction (IMAFACAA), Food & Beverage Processing Plant Construction (IMAFADAH)

Keywords

• General construction services
• Civil engineering construction
• Building construction
• Public works contracting
• Infrastructure maintenance

Headquarters

HQ city

Moriya

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Public Works Contracts: Primary revenue stream from government tender projects including road construction, bridge repair, water supply systems, and public facility construction. Revenue is project-based and acquired through competitive bidding with prefectural and municipal government agencies.
2. Private Construction Projects: Construction services for private sector clients including factories, commercial buildings, residential developments, and facility construction for private companies.
3. Maintenance Services: Maintenance and repair services for existing infrastructure, buildings, and facilities, including ongoing maintenance inquiries from customers.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Reiwa Construction is a general construction company founded in 1963, headquartered in Moriya City, Ibaraki Prefecture, providing integrated civil engineering and building construction services across the Kanto region of Japan. The company delivers construction management covering safety, quality, and process control for public infrastructure (roads, bridges, water supply, public facilities) and private-sector projects (factories, commercial buildings, schools, welfare facilities). It also offers repair, maintenance, and renovation services for existing infrastructure.

Product overview

Reiwa Construction is a comprehensive general construction company providing integrated construction management, civil engineering, and building construction services. The company operates as a single unified service offering without distinct product lines or modular architecture. Core services include construction project management (施工管理) covering safety, quality, and schedule control, civil engineering works such as road, bridge, and infrastructure projects, and building construction including educational facilities, welfare institutions, and commercial buildings. The company conducts construction projects primarily in Ibaraki Prefecture and the Greater Kanto region.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Management Services (施工管理サービス) Integrated construction management services covering safety management, quality control, and project management for civil engineering and building construction projects, delivered to government, private, and institutional clients.
• Civil Engineering Services (土木工事) Civil engineering construction services including road construction, bridge repair, pavement work, foundation improvement, and water infrastructure projects, primarily for government clients across Ibaraki Prefecture.
• Building Construction Services (建築工事)

Quantifiable outcome

• Achieved 84.2% annual paid leave utilization rate, exceeding national average by over 27 percentage points
• +2 more outcomes

Named customers8 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

Feature2 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Tomoe Corporation GroupcoreStrategic or Co-development Partner · 2 October 1963Reiwa Construction operates as a member of the Tomoe Corporation Group (株巴コーポレーショングループ), coordinating with Tomoe Corporation (株巴コーポレーション) to deliver high-quality regional construction services. This affiliation provides strategic support and partnership in pursuing regional construction projects.
• Yokogawa System Architecture Co., Ltd.minorOthersPartner company with banner placement on Reiwa Construction website, indicating some form of business relationship or mutual referral arrangement within the construction industry.
• Ibaraki Construction Industry Association - Women's Network (建女ひばり会)minorOthersCompany participates in the women's networking group within the Ibaraki Construction Industry Association, with employees joining study tours and training programs including visits to Fukushima Daiichi Nuclear Power Station.
• Ibaraki Prefecture Child Protection Network (湖南省こどもを守る110番の家)minorOthersCompany participates as a corporate member in the child protection network since 2013, providing a safe place for children who feel threatened or unsafe. Display boards are posted at headquarters and construction site offices.
• Joyful Sports Promotion Asahi Beer KyoeiminorOthersCompany participates as a member in the Asahi Beer Kyoei association, with sales department staff volunteering at water stations during local marathon events.

Scale indicators6 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• Tomoe Corporation (巴コーポレーション): Reiwa Construction is a member of the Tomoe Corporation Group, with Tomoe Corporation acting as the parent/strategic operating company. Both engage in construction services in Japan, with Tomoe operating at a larger scale as a publicly listed general contractor.
• Okumura Corporation (奥村組): Long-established Japanese construction company with civil engineering and building construction operations. Comparable in service mix (civil + building) and project types, but operates at national scale versus Reiwa's regional Ibaraki/Kanto focus.
• Toda Corporation (戸田建設): One of Japan's major general contractors (super-zenecon) executing civil engineering and building construction projects nationwide. Comparable business model (general contracting for civil/building) though at vastly larger scale and broader geographic scope.
• Nishimatsu Construction (西松建設): Established Japanese general contractor with civil engineering and building construction capabilities. Comparable service profile including public infrastructure (roads, bridges, water systems) and building construction, though at a national scale.
• Maeda Corporation (前田建設工業): Major Japanese general contractor operating across civil engineering and building construction. Similar core services (roads, bridges, public facilities) but with national footprint, larger technical workforce, and engagement on significantly larger-scale projects.
• Zenitaka Corporation (錢高組): Japanese general contractor with civil engineering and building construction services. Comparable in participating in public tenders and executing regional construction projects, though operating at a larger national scale.
• Tobishima Corporation (飛島建設): Japanese construction company with civil engineering and building construction services. Similar service portfolio spanning public infrastructure projects and building construction, though operating at larger national scale with broader engineering capabilities.
• Toa Corporation (東洋建設): Japanese general construction company with strong civil engineering and marine construction heritage. Comparable in executing public infrastructure projects and similar service categories, though with broader geographic and capability scope.

Emerging players

• Matsui Construction (松井建設): Japanese regional-to-mid-sized construction company with civil engineering and building construction focus. Comparable in operating public/private mixed project types and similar scale relative to Reiwa Construction, with overlapping customer segments in institutional and commercial facilities.

Direct peers

• Yokogawa System Architecture (株式会社横河システム建築): Banner partner and collaborator with Reiwa Construction, this is a Japanese construction firm specializing in system building construction. As a regional Japanese construction partner with system architecture expertise, it is directly comparable in operating geography and customer base.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/100064238160697
• Instagraminstagram.com/reiwa0431

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Reiwa Construction