What ACH Construction does

ACH Construction is a privately held Belgian general contractor, founded in 1884 and headquartered in Antwerp (Dutch-language operations, ACH Bouw) and Les Bons Villers (French-language operations, ACH Construct), with a postal address in Forest, Brussels. The company employs 51-100 people and operates exclusively for business and public-sector clients, deliberately concentrating on a defined set of niche verticals: public swimming pools (where it claims market leadership in Belgium), social housing, school and university infrastructure, care homes for the elderly, and heritage/D24 monument restoration. ACH holds ISO 9001 and VCA** certifications and has completed over 400 projects, ranging from €3 million to €33 million in contract value.

The company's core service is Design & Build project delivery, including full DBFMO (Design, Build, Finance, Maintain and Operate) public-private partnership models. Its technology stack is conventional construction management and project execution; no proprietary software, AI/ML systems, or platform products are disclosed. ACH differentiates through deep domain expertise in complex, regulation-heavy segments (heritage compliance, energy-efficient public pools, phased construction in occupied buildings) and through long-standing institutional relationships, notably an equity-linked construction partnership with the LAGO swimming pool group that spans sites across Belgium.

Commercially, ACH generates revenue through one-time construction contracts (priced per project, not per license or subscription). It acquires work via direct enterprise/government sales rather than marketing funnels, with project pipeline driven by public tenders, social housing program allocations, and repeat institutional clients. The company is family-owned (Dherte family, since founding) with no external investors or public listing, and it reports revenue, funding, and headcount trends only sparingly.

Name

ACH Construction

Legal name

ACH Bouw

Website

https://achbuild.be

Company type

Private

Founded year

1884

Operating status

Operating

Headcount range

51–100 employees

Short description

ACH Construction is a Belgian family-owned general contractor (founded 1884, 51-100 employees) that delivers Design & Build and DBFMO construction projects exclusively for public-sector and enterprise clients, specializing in swimming pools, social housing, schools, care homes, and heritage restoration across Belgium.

Ownership category

akta.pro rank

Product category

Construction Services

NAICS

Commercial and Institutional Building Construction (23622), Residential Remodelers (236118)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Design-Build / EPC General Contracting (IMAFAAAD)

akta.pro secondary industries

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE), Senior Living & Assisted Living Facility Construction (IMAFACAJ)

Keywords

• Public infrastructure construction
• Design and build services
• Swimming pool construction
• Social housing construction
• Heritage building restoration

Headquarters

HQ city

Antwerp

HQ country

Belgium

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: ACH generates revenue through construction project delivery, working primarily on public infrastructure projects including swimming pools, sports complexes, social housing, schools, and renovation/restoration projects. Projects range from €3 million to €33 million in contract value. The company operates exclusively for businesses and government/public authorities.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

ACH Construction delivers Design & Build and DBFMO construction services for public authorities and enterprises across Belgium. Its portfolio includes swimming pools, sports facilities, social housing, school infrastructure, care homes, and heritage restoration (D24), with project contract values typically ranging from €3 million to €33 million. The company operates two regional brands, ACH Bouw (Flemish market) and ACH Construct (French-speaking market), serving exclusively business and government clients.

Product overview

ACH Construction is a construction services company operating under the ACH Bouw (Dutch) and ACH Construct (French) brands. The company offers a portfolio of construction services rather than a software product. Its core offerings include Design & Build project delivery, swimming pool construction (where it holds market leadership), social housing, renovation, heritage restoration (D24), school infrastructure, and care home construction. Projects are delivered primarily for government and corporate clients using Design & Build and DBFMO (Design, Build, Finance, Maintain, Operate) methodologies. The company was founded in 1884 and maintains operations across Belgium.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Services Comprehensive construction services including new construction, renovation, and restoration work for swimming pools, sports complexes, social housing, schools, care homes, and public infrastructure, delivered for government and corporate clients in Belgium.
• Design & Build Services Integrated design and construction delivery where ACH collaborates with architects and engineering firms to take projects from conceptual design through completion, including PPS/DBFMO public-private partnership models for public infrastructure projects.
• Swimming Pool Construction Construction of sports pools, recreational facilities, and wellness centers for municipalities and private partners, including the first fully CO2-neutral swimming pool in Belgium at Grasduinen Bredene using geothermal drilling.
• Social Housing Construction Construction of social and passive housing projects, including 59 passive housing units in Forest, Brussels, delivered with the same quality standards as private residential developments, addressing energy efficiency and accessibility requirements.
• Renovation Services Building renovation services specializing in precise work, energy efficiency upgrades, structural improvements, and building envelope enhancements for aging public and residential buildings.
• Heritage Restoration (D24) Restoration of classified buildings, monuments, and heritage sites requiring attention to detail, respect for original architectural vision, and integration of modern performance standards with heritage compliance.
• School Infrastructure Construction Construction and renovation of school buildings including classrooms, sports halls, dining facilities, and complex multi-auditorium university facilities, addressing modernization, energy efficiency, and accessibility compliance.
• Care Home Construction

Quantifiable outcome

• First fully CO2-neutral swimming pool in Belgium constructed (Grasduinen Bredene)
• +1 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles5 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 and minor.

• LAGO Zwembaden GroepcoreStrategic or Co-development PartnerACH is a shareholder in and construction partner for LAGO swimming pool projects throughout Belgium. Projects include pools in Kortrijk, Zwevegem, Bruges, Ghent, Bredene, Zaventem, and others. ACH handles the construction portion of (almost) always DBFMO projects for LAGO swimming paradise facilities.
• RSCA FutsalminorGTM or Marketing PartnerACH is a proud partner of RSCA Futsal, with the company logo displayed prominently on the team's jerseys. RSCA Futsal participated in the Champions League Final Four in 2023, representing top-level European futsal. The partnership serves as brand visibility for ACH in sports sector.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• BESIX: Belgian-headquartered major contractor with global operations in construction, infrastructure, and concessions (DBFMO). Overlaps with ACH in public infrastructure delivery in Belgium and across broader geographies; far larger scale but competing for the same Belgian DBFMO pool of opportunities.
• STRABAG Belgium: European construction major with Belgian operations covering building construction and civil engineering. Competes for large public tenders where ACH also bids, particularly DBFMO and infrastructure.
• CFE Group: Listed Belgian construction group active in building, civil works, and concessions across Belgium and internationally. Competes with ACH for institutional, social housing, and commercial building contracts in Belgium.
• BAM Belgium (Royal BAM Group): Belgian arm of Dutch-listed Royal BAM Group, active in nonresidential construction and civil engineering. Competes with ACH for large public-sector and institutional building tenders in Belgium.

Direct peers

• Vanhout.pro: Belgian regional construction firm operating in commercial and public-sector building projects. Comparable scale and project types to ACH, particularly in Flemish institutional and renovation segments.
• Groep Huyzentruyt: Belgian construction group with social housing, renovation, and public-sector expertise. Directly comparable niche positioning with ACH in Belgian residential and institutional building.
• Democo Group: Belgian construction company with strong public-sector and heritage/restoration credentials. Direct overlap with ACH on renovation, heritage, and institutional building projects across Belgium.
• Cordeel Group: Belgian industrial and commercial building contractor with comparable mid-market positioning. Overlaps with ACH in Design & Build delivery for institutional and industrial clients in Belgium and neighboring countries.
• Willemen Group: Belgian general contractor with similar public-sector and Design & Build exposure. Comparable mid-sized player operating across Belgium in commercial, residential, and infrastructure construction; directly competes for municipal and institutional tenders.

Others

• LAGO Zwembaden Groep: Belgian public swimming pool operator and ACH's strategic partner/shareholder. Not a direct competitor in construction, but the closest adjacent entity given ACH's market leadership in Belgian pool construction depends on this partnership.

Market position

Strengths5 records

Weaknesses2 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/achbouwnv

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 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 ACH Construction