Anabuki Construction

What Anabuki Construction does

Anabuki Construction (株式会社あなぶき建設工業) is a Takamatsu-headquartered, privately held Japanese specialty contractor operating within the Anabuki Housing Group. Founded in 2002 (originally as 株式会社リフォームアナブキ) and registered capital of ¥100M as of 2020, the company delivers new construction and large-scale renovation services across western Japan — Shikoku, Chugoku, Kansai, and Kyushu — through nine regional offices and a 24/7 call center. Its core technical competency is reinforced concrete (RC) construction applied to public, medical/welfare, commercial, and residential facilities, with a particular specialization in condominium large-scale renovation where it claims 500+ completed projects and 3,200+ condominium units under group management.

The business operates two principal revenue streams: project-based construction contracts (new builds and large-scale renovation) and professional services (renovation consulting, building diagnostics, and maintenance advisory). Pricing is quote-based per project; contracts are typically multi-year. Customer concentration is biased toward mid-market condominium management associations, with selected enterprise engagements including NTT and NTT DOCOMO for telecom infrastructure restoration and 5G base construction. GTM is sales-led via regional branches and partner subcontractor networks.

Since 2016 the company has executed a sustained inorganic consolidation program: mergers with Kaga Shiro Construction (2016), Sanshou Construction (2018), and a 2020 three-way merger that consolidated Anabuki Construction as the surviving entity, followed by acquisitions of Tsutsumi Works (2020, Tokyo entry), Home Life Management (2021, condominium management), and Nippon So (2022). In February 2026, a ransomware attack compromised 207,773 personal records, prompting a security architecture overhaul (zero-trust/SASE, EDR, private cloud). FY2024 (June period) sales were ¥6,589,770,000 with 89 employees, of whom 24 are first-class architects and 42 first-class construction management engineers.

Name

Anabuki Construction

Legal name

株式会社あなぶき建設工業

Website

https://anabuki-k.jp

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

51–100 employees

Short description

Anabuki Construction is a Takamatsu-headquartered Japanese specialty contractor within the Anabuki Housing Group, delivering new construction and large-scale condominium renovation across western Japan via nine regional offices, with 500+ renovation projects and 3,200+ condos under management.

Ownership category

akta.pro rank

Product category

Construction Services

NAICS

Residential Building Construction (23611), Commercial and Institutional Building Construction (236220), Construction of Buildings (236)

SIC

Operative Builders (1531), General Bldg Contractors - Residential Bldgs (1520), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE)

akta.pro secondary industry

Office & Corporate Building Construction (IMAFACAA)

Keywords

• Construction services
• Large-scale renovation
• New building construction
• Condominium management
• Building diagnostics

Headquarters

HQ city

Takamatsu

HQ country

Japan

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. 新房・大規模修繕工事 (New Construction & Large-Scale Renovation): Revenue from construction fees for new residential and commercial buildings, as well as large-scale condominium renovation projects. This is the primary revenue driver with 500+ renovation project track record.
2. 改建・コンサルティング (Renovation & Consulting): Revenue from renovation consulting, building diagnostics, and maintenance-related professional services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Anabuki Construction (株式会社あなぶき建設工業) is a Japan-based construction company that delivers new construction of public, medical/welfare, commercial, and residential condominium buildings alongside large-scale renovation works for existing condominiums. With over 500 large-scale renovation projects and 3,200+ condominium units under management, the company combines RC (reinforced concrete) construction expertise, a 13-step renovation workflow, and a 24/7 call center to manage building lifecycles across western Japan.

Product overview

Anabuki Construction (株式会社あなぶき建設工業) operates as a construction company with three interconnected core service pillars: New Construction Services (新房工事), Large-scale Renovation (大規模修繕工事), and Safety and Quality Management (安全管理と品質管理体制). The New Construction Services division handles public facilities, medical/welfare facilities, commercial facilities, and residential apartment construction, leveraging decades of renovation expertise to build durable structures. The Large-scale Renovation division specializes in building restoration with over 500 completed projects and manages 3,200+ condominiums, supported by a 24-hour 365-day call center. The Safety and Quality Management division ensures disaster prevention, safety patrols, and quality standards aligned with customer satisfaction. Together, these services span from building creation through decades of maintenance, positioning the company as a comprehensive partner for building lifecycle management.

Differentiator

Problem solved

Functional benefit

Brands

• あなぶき строительство пром: Construction brand under the Anabuki Group focusing on new construction and large-scale renovation works.

Products and services

• New Construction Services (新築工事) New construction services for public facilities, medical and welfare facilities, commercial facilities, and residential apartments, with expertise in reinforced concrete (RC) construction designed for long-term durability and future renovation considerations. Serves public sector entities, facility operators, developers, and commercial customers in western Japan.
• Large-scale Renovation Works (大規模修繕工事) Major renovation and repair services for condominium and commercial buildings, with 500+ completed projects and management of 3,200+ condominium units. Includes a 24-hour 365-day call center for post-construction support and uses a structured 13-step renovation workflow. Serves condominium management associations and property owners across western Japan.
• Safety and Quality Management (安全・品質管理体制) Comprehensive safety and quality management framework covering construction sites and internal systems, including monthly safety patrols, hazard prediction activities (KY/危険予知活動), near-miss reporting (ヒヤリハット活動), disaster prevention seminars and training, safety award programs for partner companies and workers, zero-trust network migration (SASE), EDR endpoint monitoring, and secure private cloud environment. Supports both construction site safety and information security.

Quantifiable outcome

• 大規模修繕工事実績 500棟以上
• +2 more outcomes

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Eight partnerships are on record, tiered core and minor.

• 三聖建設株式会社 (Sansei Construction)coreStrategic or Co-development Partner三聖建設株式会社 was a subsidiary of Anabuki Construction (acquired 2018), and later merged into Anabuki Construction in 2020. It was one of three companies (alongside Anabuki Construction Hiroshima and Anabuki Construction) that merged, with Anabuki Construction as the surviving entity.
• 株式会社あなぶき実重建設coreStrategic or Co-development Partner広島で建筑业を営む株式会社あなぶき実重建設が、2020年に株式会社あなぶき建設工業および三聖建設株式会社と合併し、あなぶき建設工業が存続会社となった。
• 株式会社ツツミワークスminorStrategic or Co-development Partner東京で大規模修繕工事を営む株式会社ツツミワークスの全株式を2020年に取得し、子会社化した。
• 株式会社日装minorStrategic or Co-development Partner株式会社日装の全株取得を実施し、2022年3月に完全子会社化した。
• ホームライフ管理株式会社minorStrategic or Co-development Partner2021年にホームライフ管理株式会社の株式を、あなぶきハウジングサービス·あなぶきクリーンサービス·あなぶき建設工業の3社で譲りうけた。
• 株式会社あなぶき加賀城建設coreStrategic or Co-development Partner宮崎で建筑业を営む株式会社あなぶき加賀城建設は、2016年12月に株式会社あなぶき建設工業前身のリフォームアナブキと合併。2020年に社名を株式会社あなぶき建設工業に変更。
• 株式会社あなぶきパートナー九州 (特例子会社)minorOthers障がい者雇用促进のため、2014年12月に福岡県福岡市に設立された特例子会社。あなぶきハウジンググループの障がい者の「職業を通じての社会参加」を支える。
• あなぶきハウジンググループcoreStrategic or Co-development Partner親会社グループであり、マンション管理·清掃·建房·老人的介櫨等多角的な事業を展開。あなぶき建設工業はグループ内の建設·大規模修繕事業を担う中核企業。24時間365日対応のコールセンターなどグループインフラを共有。

Scale indicators6 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Shoei Corporation (昭栄建設): Mid-market Japanese construction firm focused on condominium large-scale renovation — similar scale and segment focus to Anabuki Construction, sometimes cited as a regional alternative in the same addressable market.
• Daikyo Inc. Mitsui Fudosan Group company providing condominium management and large-scale renovation services to management associations across Japan — same target customer (管理組合) and same service mix as Anabuki's primary segment.
• Haseko Corporation: Japan's largest condominium specialist general contractor. Overlaps directly with Anabuki on new-construction condominium building and large-scale renovation, though at substantially larger nationwide scale including Kanto.
• Mitsui Fudosan Reform (三井不動産リフォーム): Renovation arm of Mitsui Fudosan focused on managed condominium renovations. Comparable business model (renovation project management + condominium association customer), backed by a major real-estate group.
• Nice Corporation (ナイス): Housing construction and renovation-focused company operating across Japan, with similar small-to-mid scale and emphasis on residential lifecycle construction comparable to Anabuki's condominium core.

Broad incumbents

• Taisei Corporation: One of Japan's 'super general contractors' (スーパーゼネコン) with full-spectrum commercial, institutional, and infrastructure construction capability. Comparable on commercial and institutional building scope that comprises part of Anabuki's newer public-facility work.
• Sekisui House: Top-tier Japanese homebuilder with significant renovation business serving accumulated homeowners. Comparable on residential construction and lifecycle renovation, though at greater nationwide scale and via single-family not condo specialist model.
• Daiwa House Industry: Japan's largest homebuilder with a sizable renovation and commercial-building segment. Broader portfolio but overlaps with Anabuki's new construction and large-scale renovation business lines.

Others

• Nihon Doken Kogyo (日本道路工業): Anabuki's parent-affiliated/construction-adjacent provider in the Anabuki Group ecosystem; comparable in being Japanese private construction ecosystem participant, though exposure is more infrastructure-side.

Regional players

• Tokyu Construction (東急建設): Mid-tier Japanese general contractor with strong rail-infrastructure and residential renovation capabilities serving eastern/central Japan; comparable on building-construction execution even with different geographic emphasis.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries4 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 Anabuki Construction