DEMOSTEN

What DEMOSTEN does

DEMOSTEN is a French demolition, deconstruction, and environmental remediation services group operating as a wholly-owned division of EPC Groupe (Société Explosifs et Produits Chimiques). The company executes complex industrial dismantling, urban deconstruction, asbestos removal (désamiantage), lead decontamination (déplombage), and art structure demolition for enterprise and public-sector clients across France, with 450 projects completed annually and €100M+ in revenue. Operations are delivered through five regional entities — Seine Normandie (ATD, est. 1945), Démolition Ouest (OCCAMAT, 30+ years), Île de France (PRODEMO, 40+ years), Désamiantage Ouest (OCCAMIANTE, 25+ years), and Sud Est (est. 2015) — collectively employing 500+ people from a Segre-en-Anjou Bleu headquarters with offices in Petit-Quevilly, Épinay-sur-Seine, Chassieu, Noyant-la-Gravoyère, and Nanterre.

The group's technical capability stack combines mechanical demolition, explosive demolition (Qualibat 1153 haute technicité), high-technique mechanical demolition (Qualibat 1113), asbestos treatment (Qualibat 1552), earthwork (Qualibat 1311), and strip-out (Qualibat 1161), backed by ISO 9001, ISO 14001, ISO 22301, and MASE certifications. Supporting capabilities include an in-house engineering-studies team (~10 people), method-engineering preparation, mechanical workshop, sheet metal fabrication, and integrated transport/logistics. Sister-company EPC France supplies explosives, enabling fully integrated explosive demolition on projects such as the YARA ammonium nitrate plant and Total Flandres refinery.

DEMOSTEN's revenue model is enterprise project-based, generated through competitive tenders (public sector) and direct negotiations (private enterprise). The customer base is heavily concentrated in large industrial, infrastructure, and public-heritage buyers — including Total, Sanofi, SNCF, BNP Paribas, Orange, Nestlé, Lafarge, Enedis, Naval Group, Boehringer Ingelheim, YARA, Ministère de la Culture, and Ministère des Armées — with projects spanning pharmaceutical plants, refineries, historic monuments, bridges, and SEVESO-classified sites. A growing circular economy / material reuse service line, executed through partnerships with specialized recovery firms, adds a secondary revenue stream aligned with European sustainability and waste-status regulations.

Name

DEMOSTEN

Legal name

EPC Groupe (Société Explosifs et Produits Chimiques)

Website

https://epc-demosten.fr

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

101–250 employees

Short description

DEMOSTEN is a French demolition and decontamination services group (500+ employees, €100M+ revenue) executing complex industrial dismantling, asbestos removal, and heritage restoration for enterprise and public-sector clients across France via five regional entities.

Ownership category

akta.pro rank

Product category

Demolition and Deconstruction Services

NAICS

Remediation and Other Waste Management Services (5629), Materials Recovery Facilities (56292)

akta.pro primary industry

Decontamination & Demolition (Decommissioning, Industrial Facility Cleanup) (EUAIALAL)

akta.pro secondary industries

Deconstruction & Salvage (Building Material Reuse) (EUAIAHAJ), Asset Recovery, Surplus & Decommissioning Services (EUAIANAD)

Keywords

• Demolition services
• Asbestos removal
• Industrial dismantling
• Decontamination services
• Deconstruction works

Headquarters

HQ city

Segre-en-Anjou Bleu

HQ country

France

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Demolition and Deconstruction Services: Project-based contracts for demolition, dismantling, and deconstruction of industrial, urban, tertiary buildings, bridges, and art structures. Revenue is generated through one-time project fees based on scope, complexity, and duration of work.
2. Asbestos Removal and Decontamination Services: Specialized asbestos removal, lead decontamination, and site depollution services. These hazardous materials handling services command premium pricing due to strict regulatory compliance requirements and specialized equipment.
3. Circular Economy and Material Recovery: Recovery, sorting, valorization, and reuse of materials from demolition sites including concrete recycling, steel recovery, and material reuse partnerships with specialized companies.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

DEMOSTEN provides demolition, deconstruction, dismantling, and decontamination services across France through five regional entities. Core offerings include mechanical and explosive demolition, asbestos removal and lead decontamination, industrial dismantling of refineries and process equipment, urban deconstruction in dense city environments, and circular economy material recovery and reuse. The group serves industrial, pharmaceutical, petrochemical, public sector, heritage, and infrastructure clients on project-based contracts.

Product overview

DEMOSTEN is a demolition and deconstruction services group operating across France through five regional entities (Seine Normandie/ATD, Démolition Ouest/OCCAMAT, Île de France/PRODEMO, Désamiantage Ouest/OCCAMIANTE, and Sud Est). The company offers a comprehensive suite of demolition and environmental remediation services including conventional and explosive mechanical demolition, asbestos removal (Qualibat 1552), lead decontamination, industrial dismantling, strip-out work, and urban deconstruction. Supporting services include engineering studies, method engineering, mechanical workshop, sheet metal welding workshop, integrated transport/logistics, and purchasing/materials management. The group emphasizes circular economy practices through material reuse and recycling partnerships, with key certifications including ISO 9001, ISO 14001, ISO 22301, MASE, and multiple Qualibat qualifications covering demolition (1113, 1153), asbestos treatment (1552), earthwork (1311), and strip-out (1161).

Differentiator

Problem solved

Functional benefit

Products and services

• Démolition et déconstruction (Mechanical and explosive demolition)
• Désamiantage (Asbestos Removal)

Quantifiable outcome

• Successfully completed 450+ projects per year across France
• +4 more outcomes

Named customers23 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eleven partnerships are on record, tiered minor and core.

• REAVIEminorStrategic or Co-development PartnerPartnership for material reuse on Rue de Miromesnil project. REAVIE reused LED pavers, sanitary fixtures, movable partition walls, and office furniture from the demolition site.
• KEBE ASSOCIATIONSminorStrategic or Co-development PartnerAssociation partner for furniture reuse on Rue de Miromesnil project - reused chairs, tables, drawers, and office cabinets.
• BE MATERIAUminorStrategic or Co-development PartnerPartner for material recovery on Rue de Miromesnil project - recovered cast iron radiators, wooden doors for recycling.
• VINCI ENERGIESminorStrategic or Co-development PartnerPartner for cable pathway recovery and valorization on Rue de Miromesnil project.
• GROUPE MMOminorStrategic or Co-development PartnerPartner for generator unit recovery and valorization on Rue de Miromesnil project.
• VALGOcoreStrategic or Co-development PartnerStrategic partnership for curage/déplombage/désamiantage lot (2B) on Château de Villers-Cotterêts project for Cité Internationale de la Langue Française. Partnership value: €1.9M (ATD share).
• H CHEVALIERcoreStrategic or Co-development PartnerStrategic partnership for floor demolition lot (2C) on Château de Villers-Cotterêts project. Partnership value: €1.2M (ATD share).
• Bureau d'Études Maîtrise Amiante/Plomb/DémolitioncoreImplementation/ SI/ Consulting PartnerConsulting partner for asbestos/lead/demolition studies on Château de Villers-Cotterêts heritage restoration project.
• OASIIS (AMOA environnement)minorImplementation/ SI/ Consulting PartnerEnvironmental consulting partner for HQE BATIMENT DURABLE certification on Rue de Miromesnil project - monitoring noise, pollution, energy and water consumption.
• Specialized Reuse CompanyminorStrategic or Co-development PartnerPartnership with specialized company for material reuse on Boehringer Ingelheim project - 120 tonnes of materials identified and valorized through careful deconstruction and sorting.
• EPC FrancecoreStrategic or Co-development PartnerSister company within EPC Group providing explosives for demolition operations. Demolition by explosives conducted with explosives supplied by EPC France subsidiary.

Scale indicators13 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Cardem: Cardem is the demolition subsidiary of VINCI Construction in France, offering mechanical and explosive demolition, deconstruction, asbestos removal, and site remediation across industrial, urban, and nuclear scopes. It is the closest direct competitor to DEMOSTEN in French demolition, with overlapping certifications and customer base (public tenders, industrial clients, heritage projects).
• Ramery: Ramery is a French family-owned construction group headquartered in the Hauts-de-France region offering demolition, deconstruction, asbestos removal, and earthwork alongside broader construction services. Comparable to DEMOSTEN on demolition-decontamination scope, geographic spread in northern France, and Qualibat-certified specialist trades.
• Priora Group: Priora is a German demolition and dismantling specialist with strong industrial and hazardous-materials expertise, including explosive demolition and complex inner-city work. Highly comparable to DEMOSTEN on technical scope and customer type, though operating primarily in the German market rather than France.
• Demcy: Demcy is a UK-headquartered demolition contractor operating internationally on industrial, oil-and-gas, nuclear, and infrastructure projects with similar specialist demolition, asbestos, and decontamination capabilities. Comparable to DEMOSTEN on technical profile, though UK-based and more internationally diversified.
• Valgo: Valgo is a French demolition, decontamination, and environmental remediation specialist serving industrial brownfield, refinery, and urban projects nationwide. Directly comparable to DEMOSTEN on industrial dismantlement and circular-economy services; notably already a co-contractor partner with DEMOSTEN on the Château de Villers-Cotterêts heritage project.
• Erith Group: Erith is one of the UK's leading demolition contractors with a comparable offering across industrial, urban, and infrastructure scopes including asbestos removal, explosive demolition, and circular-economy material recovery. Direct comparable in service mix and project complexity, though UK-focused.

Regional players

• SPIE Batignolles: SPIE Batignolles is a French construction group active across building, civil works, and earthworks with deconstruction capabilities, primarily serving the French market. Comparable to DEMOSTEN on demolition-as-part-of-construction, though less specialized in hazardous-materials and explosive demolition.

Broad incumbents

• Bouygues Construction: Bouygues Construction is a major French construction group with demolition-deconstruction capabilities inside its broader building and civil-works portfolio. Competes with DEMOSTEN on large mixed-scope tenders and urban redevelopment projects, especially in the Paris region.
• Eiffage Construction: Eiffage is one of France's largest construction groups with demolition capabilities inside Eiffage Démolition, competing with DEMOSTEN on large public and industrial tenders. As a broad incumbent, Eiffage offers demolition as part of a much wider construction and concessions portfolio rather than as a standalone specialty.
• VINCI Construction: VINCI is the largest French construction group and parent of Cardem, with demolition capabilities embedded within a global infrastructure and concessions platform. Competes with DEMOSTEN on the largest integrated tenders, especially where demolition is bundled with broader construction scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC-7XJsvjZpkM6WBtM_L2KoQ
• Facebookfacebook.com/epcdemosten
• LinkedInlinkedin.com/company/epcdemolition
• Instagraminstagram.com/epcdemosten

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 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 DEMOSTEN