What Group Monument does

Group Monument (NV MONUMENT GROUP) is the leading Belgian enterprise group for the restoration, renovation, and new construction of monuments and buildings with art-historical value. Headquartered in Ingelmunster, Belgium, and operating across Belgium and France through 11 wholly-owned subsidiaries and one sister company, the group employs 645 active staff spanning craft trades including masonry, timber framing, roofing, stone carving, joinery, stained glass, archaeology, scaffolding, and HVAC. Its oldest constituent, Monument Lanfry (Rouen), dates to 1774, and Monument Vandekerckhove dates to 1886, giving the group an accumulated heritage restoration pedigree of more than two centuries.

The group's core capability combines in-house trained craftsmen with a modern machine park, organized as a vertically integrated ecosystem — from archaeological research (Patrimonium Research & Consulting) and condition assessment, through scaffolding and shoring (Monument Stability Contractor, All-Systems), specialized trades (natural stone workshop, stained glass atelier founded 1993, joinery, roofing & zinc), to logistics and equipment rental (Monument Logistics & Materieel), HVAC and building automation (Celcio), and project development of repurposed heritage assets (Monument Real Estate). Technology is conventional craft augmented by digitization in the stone workshop; no proprietary software, AI, or platform is disclosed.

Revenue is generated through project-based professional services — restoration, renovation, new construction, and heritage consulting — priced on a custom quote basis against individual tenders. Customers are predominantly public sector (federal and municipal government, heritage bodies), cultural and religious institutions (churches, cathedrals, museums), and private heritage property owners; notable engagements include the Royal Palace Brussels (700+ windows), Yser Tower, Menin Gate, Royal Library of Belgium, Antwerp Zoo pavilions, Abbey of Grammont, Damme City Hall, and the Laken Cemetery funeral galleries (€4.6M project). The group holds CO2-Prestatieladder Level 5 certification (2025) and is a member of two Belgian sustainability initiatives (Circulair Betonakkoord Vlaanderen and Sustabuild Ketensamenwerking). No funding rounds, M&A activity, or public-company status have been disclosed; the entity is privately held as a Belgian naamloze vennootschap.

Name

Group Monument

Legal name

NV MONUMENT GROUP

Website

https://monument.be

Company type

Private

Founded year

1896

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Group Monument is Belgium's leading enterprise group for restoring monuments and historic buildings with art-historical value, employing 645 staff across 11 subsidiaries in Belgium and France, serving public-sector, religious, cultural, and private heritage clients via in-house trained craftsmen.

Ownership category

akta.pro rank

Product category

Heritage Building Restoration

NAICS

Historical Sites (712120), Museums, Historical Sites, and Similar Institutions (712), Historical Sites (71212)

SIC

Construction - Special Trade Contractors (1700), Cut Stone & Stone Products (3281), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Historic Preservation & Landmarks Conservation (BPAGAHAE)

akta.pro secondary industries

Historic Sites, Heritage Landmarks & Archaeological Sites (THAJACAC), Historic Preservation & Conservation Planning (BPAHAKAH)

Keywords

• Heritage building restoration
• Monument restoration services
• Historic building renovation
• Construction and preservation
• Specialized craftsmanship services

Headquarters

HQ city

Ingelmunster

HQ country

Belgium

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Restoration Services: Core revenue stream from restoration and renovation of monuments with art-historical value, serving both public and private sectors.
2. Renovation Services: Renovation of historic buildings and heritage properties, including complex projects combined with restoration work.
3. New Construction: Complex new build projects, especially in combination with renovation and restoration works, handled professionally and efficiently.
4. Specialized Departments: Revenue from specialized services including natural stone work, stained glass, joinery, archaeology, roofing and zinc work.
5. Conservation Services:

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Group Monument is the leading Belgian enterprise group for the restoration, renovation, and new construction of monuments and historic buildings with art-historical value. The company, headquartered in Ingelmunster, Belgium, operates through 11+ wholly-owned specialized subsidiaries covering natural stone work, stained glass restoration, archaeology, joinery, scaffolding, HVAC, and heritage consultancy, supported by in-house trained craftsmen and a modern machine park. It serves both public sector clients (government, religious institutions, cultural heritage organizations) and private property owners across Belgium and France on heritage restoration, complex renovation, and combined renovation/restoration new build projects.

Product overview

Group Monument is the most important Belgian construction group for the restoration of monuments with art-historical value. The company, based in Ingelmunster, unites a number of specialized companies that have earned their reputation in restoration and renovation. The group operates through multiple business units: Monument Vandekerckhove (founded 1886) handles restoration, renovation, stone, stained glass, and archaeology; Monument Hainaut serves Wallonia with joinery and roofing capabilities; Monument Goedleven covers Antwerp/Limburg/East Flanders; Monument Lanfry (France, established 1774) operates in northern France; Monument Real Estate develops heritage repurposing projects; Monument Renovation Technics handles technical renovation; Monument Stability Contractor provides scaffolding and shoring; Altri Tempi focuses on finish conservation; Patrimonium Research & Consulting offers restoration consultancy; Celcio provides HVAC and building management systems; and Monument Logistics & Materieel handles logistics and equipment. The group also includes Monument Brussels and the sister company All-Systems bvba. Group Monument works with motivated craftsmen and a modern machine park to serve both public and private sectors in renovation and restoration works, as well as complex new build projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Monument Vandekerckhove Founding company of the group (established 1886), based in Ingelmunster, specializing in restoration, renovation, and new construction across Belgium and France, with specialized departments for natural stone, stained glass, and archaeology.
• Monument Hainaut Construction company based in Marquain (Tournai), specializing in restoration, renovation, and new construction in Wallonia, with its own joinery department, roofing & zinc work, and stone masonry capabilities.
• Monument Goedleven Construction company active in the Antwerp, Limburg, and East Flanders regions, specializing in renovation of historical heritage.
• Monument Lanfry French construction company established in 1774, based in Rouen, specializing in restoration of historic buildings throughout northern France, with departments for stone, stained glass, and joinery.
• Monument Real Estate Project developer based in Ingelmunster, active in Belgium, specializing in repurposing historic buildings and valuable heritage, with expertise as developer of new build real estate projects.
• Monument Renovation Technics Company specializing in restoration techniques, stability works, asbestos removal, and other renovation techniques, active in Belgium and France.
• Monument Stability Contractor Company based in Ingelmunster, active in Belgium and France, specializing in scaffolding and support/shoring activities, with expertise in study and construction of temporary metal structures.
• Altri Tempi Company based in Brasschaat, active in Belgium, specializing in conservation and restoration of building finishes with art-historical value, including movable and immovable works of art.
• Patrimonium Research & Consulting Research agency and consultancy based in Brasschaat, supporting organizations in preparing restoration dossiers through historical research, crafts expertise, restoration techniques, scientific research, and new technologies and materials application.
• Celcio Reference company specializing in central heating, ventilation, sanitation, and air conditioning (HVAC), also offering independent building management automation solutions, with over 40 years of experience serving public and private clients.
• Monument Logistics & Materieel Support companies based in Ingelmunster, active in Belgium and France, providing logistics services for complex transport and assembly work, and handling purchase/rental of construction machinery, equipment maintenance, site installation, waste disposal, and warehouse management.
• Monument Brussels Company based in Brussels, specializing in restoration, renovation, and new construction projects, with specific departments for stone, joinery, stained glass, roofing & zinc work, and archaeology.
• All-Systems bvba (Sister Company) Sister company of Monument Stability Contractor, based in Dendermonde. Specialist in support and shoring work including struts, beam bracing, three-point bracing, facade bracing, assembly bracing, tension and compression systems, with 20 years of experience operating throughout Belgium.

Quantifiable outcome

• Scope 3 emissions target: 5% reduction (1,940.60 tonnes CO2eq) by 2030 compared to 2023 baseline of 38,812 tonnes
• +4 more outcomes

Named customers17 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered minor and core.

• Circulair Betonakkoord VlaanderenminorOthers · 18 June 2025Circular Concrete Agreement Flanders - industry initiative included on Group Monument's sustainability initiatives list to address scope 3 emissions reduction through sustainable concrete use.
• SKS (Sustabuild Ketensamenwerking)minorOthers · 18 June 2025Sustabuild Chain Cooperation - industry initiative included on Group Monument's sustainability initiatives list to promote sustainable practices across the construction supply chain.
• All-Systems bvbacoreOthersSister company of Monument Stability Contractor, based in Dendermonde. Specializes in support and shoring work including struts, beam bracing, three-point bracing (tripods), facade bracing, assembly bracing, tension and compression systems. Has 20 years of experience and operates throughout Belgium.

Scale indicators8 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Willemen Group: Belgian family-owned construction group with multiple subsidiaries spanning general contracting, renovation, and infrastructure. Operates in the same Belgian market with adjacent restoration/renovation capabilities and similar mid-cap scale.
• BESIX: Belgian construction major with Benelux heritage, real estate development, and concession operations. Competes with Group Monument on large nonresidential and complex renovation tenders in Belgium and competes for the same public/PPP project pipelines.
• Heijmans: Dutch construction and real estate developer with restoration/renovation experience within its broader Benelux portfolio. Comparable mid-cap heritage and renovation business to Group Monument's Belgian operations.
• Strabag: Large European construction group active in Belgium and partner of Group Monument in the THV Houben-Monument-Strabag joint venture for the Thor Central project. Competes for nonresidential and heritage-adjacent tenders even though its core business is broader infrastructure and general construction.
• Eiffage Construction: Large French construction group with dedicated heritage/restoration capabilities (Eiffage Construction has historic-monument subsidiaries). Direct geographic overlap with Group Monument's Monument Lanfry operations in northern France.
• Royal BAM Group: Major Dutch-headquartered construction and engineering group with Benelux heritage/restoration exposure alongside its broader infrastructure and property portfolio. Comparable in scale and geography to Group Monument's Benelux restoration work.
• CFE: Belgian construction group (VINCI affiliate) active in nonresidential buildings, civil works, and real estate development. Comparable Belgian-headquartered mid-cap with overlap on nonresidential tenders and renovation work.

Direct peers

• Artes Group: Belgian restoration specialist focused on heritage buildings and monuments with multiple regional subsidiaries. Closest direct functional peer to Group Monument's core restoration and monument-renovation offering in the Belgian market.
• Aelterman: Belgian steel-construction and heritage restoration specialist with comparable scale and a track record on listed historical buildings. Direct overlap with Group Monument on structural restoration and specialized trade scopes.
• Houben: Belgian construction and heritage restoration firm. Co-participant with Group Monument in the THV Houben-Monument-Strabag joint venture (Thor Central), indicating head-to-head project collaboration and direct overlap in Belgium's heritage restoration market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/groupmonument
• LinkedInlinkedin.com/company/group-monument

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries13 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 Group Monument