DUMAS TP

What DUMAS TP does

DUMAS TP is a French regional public works contractor (travaux publics) founded in 1973 by Marc Dumas in Chazey-Bons, Auvergne-Rhône-Alpes, and structured as a S.A.S. with €300,000 share capital. It operates three agencies — Chazey-Bons (Bugey-Sud, headquarters), Maillat (Haut-Bugey, opened 2008), and Saint-Ondras (Nord-Isère, opened 2013 via the acquisition of TABARINI) — employing 54 professionals and running a fleet of 80 vehicles and machines. The company's core service line is four-part: terrassement et VRD (earthwork and roadwork), réseaux secs (dry networks for electricity, fiber optic, gas, public lighting), réseaux humides (wet networks for drinking water, sewerage, stormwater), and génie civil (retaining walls, wastewater treatment plants, fire reserves, hydrocarbon separators). In-house technical capabilities include a LEICA 1200 robotic total station with COVADIS software for surveying and as-built plan production, and a dedicated engineering design office created in 2010.

Revenue is generated primarily through competitive public tenders (appels d'offres) and multi-year framework agreements (marchés à bons de commande) with municipal and inter-communal government clients in the Ain, Savoie, and Isère departments, supplemented by private-sector work for developers, lotisseurs, and industrial firms (e.g., PRIMMO, ELTIA/INTER'AIR MEDICAL, MAROQUINERIE DES ALPES). Customer segments span municipal governments (communautés de communes, agglomérations, communes), private developers and property companies, and utility operators (ENEDIS, AXIONE). The company carries FNTP professional qualifications, has held RSE 'Avancé' (2021) and now 'Excellent' (2025) certifications, and is a member of the Fédération du BTP de l'Ain. Go-to-market is direct field sales via public tenders; the company operates no resellers, distributors, or digital marketing channels beyond its corporate website and local press/sponsorship presence.

Name

DUMAS TP

Legal name

Dumas TP

Website

https://dumastp.fr

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

11–50 employees

Short description

DUMAS TP is a French regional public works contractor, founded 1973, operating three agencies across Bugey-Sud, Haut-Bugey, and Nord-Isère. It delivers earthwork, dry/wet utility networks, roadwork, and civil engineering primarily to municipal governments and private developers through competitive tenders.

Ownership category

akta.pro rank

Product category

Civil Engineering and Public Works Contracting

NAICS

Utility System Construction (2371), Power and Communication Line and Related Structures Construction (237130)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro industry

PRIMARYIMAFAHAK

Testing, Commissioning & Energization Services (T&C)

Industrials, Manufacturing & Construction/Construction & Civil Engineering/Power & Utility Infrastructure Construction (T&D, Substations)

SECONDARYEUADAKAB

Underground transmission & distribution cable EPC (civil + cable install)

Energy, Utilities & Environment/Electric Transmission & Distribution (T&D)/T&D Construction, Engineering & EPC Services

Keywords

• Public works contracting
• Civil engineering services
• Earthwork construction
• Utility network installation
• Municipal infrastructure

Headquarters

HQ city

CHAZEY-BONS

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Public Works Contracts: DUMAS TP generates revenue through competitive public tenders and framework agreements (marchés à bons de commande) for municipal and inter-communal clients. Projects include earthmoving, network installation, roadwork, and civil engineering. Revenue is project-based and earned upon completion of defined works packages. The company also undertakes private sector projects for developers and industrial clients.
2. Private Sector Works: Private development projects including lotissement viabilisation, industrial building construction, and commercial development, working directly for developers, property companies, and businesses.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

DUMAS TP is a regional public works contractor that performs earthwork and road construction, installs underground dry utility networks (electricity, fiber optics, gas, public lighting), constructs and renews wet utility networks (drinking water, sewerage, stormwater, industrial water), and executes civil engineering works (retaining walls, culverts, wastewater treatment plants, fire water reserves). Services are delivered through three local agencies in eastern France for municipal governments, private developers, and utility operators.

Product overview

DUMAS TP is a public works company offering four integrated core service lines: Terrassement et VRD (earthwork and road construction), Réseaux secs (dry utility networks for electricity/fiber/gas), Réseaux humides (wet utility networks for water/wastewater/stormwater), and Génie civil (civil engineering structures). The company operates across three regional agencies in the French Alps region serving municipal, commercial, and residential clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Terrassement et VRD
• Réseaux secs
• Réseaux humides
• Génie civil & autres travaux

Quantifiable outcome

• Construction of a 600 EH wastewater treatment plant with 2 basins (2,600 m³) and 700 m² of reed bed filters — complete turnkey water treatment infrastructure
• +2 more outcomes

Named customers18 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

Feature3 records

Partnerships

20 partnerships are on record, tiered minor and core.

• Tour du Valromey Organisation (TVO)minorGTM or Marketing Partner · 1 January 2026Long-standing sponsor of the Tour du Valromey junior cycling event, now in its 38th edition. DUMAS TP supports junior cyclists at this annual competition in the Valromey region.
• Société ELYORcoreStrategic or Co-development Partner · 1 January 2025Partner for photovoltaic panel installation. DUMAS TP partnered with ELYOR to install solar panels at its Chazey-Bons and Maillat agencies as part of the company's RSE commitments on renewable energy.
• KAPI Conseils et FormationscoreImplementation/ SI/ Consulting Partner · 1 January 2025Training partner for asbestos risk certification (Sous Section 4). KAPI provides theoretical and practical training to DUMAS TP workers and supervisors on asbestos handling, risk prevention, waste management, and regulatory compliance.
• FNTP (Fédération Nationale des Travaux Publics)coreOthers · 1 January 2021Professional federation providing FNTP professional qualifications, Carte Professionnelle FNTP cards, and RSE labeling through external audits. DUMAS TP holds FNTP qualifications, FNTP professional cards for all agencies, and obtained RSE labels (Avancé 2021, Excellent 2025).
• Montcornelles Medieval Construction ProjectminorGTM or Marketing Partner · 1 January 2021Sponsor and partner of the Montcornelles medieval construction project in the Bugey region. DUMAS TP contributed foundation works for the gate tower (tour porte) and is a privileged partner of the initiative promoting ancestral construction techniques.
• Le Parcours de la Louve — BelleyminorGTM or Marketing Partner · 1 January 2021DUMAS TP partnered with the 'Le Parcours de la Louve' project in Belley, a heritage walking trail featuring 26 paving stones highlighting the city's emblematic historic buildings.
• FJ Basket BelleyminorGTM or Marketing Partner · 1 January 2018Sports sponsorship partner. DUMAS TP sponsors the FJ Belley Basketball club, supporting teams for each new season since at least 2018. The partnership includes financial support and visibility on club materials.
• Fédération du BTP de l'AincoreOthersProfessional federation representing the building and public works sector in the Ain department. DUMAS TP is a member of the federation.
• EFIATP Egletons (Ecole de Formation par Alternance aux Métiers des TP)coreImplementation/ SI/ Consulting PartnerTraining institution providing initial alternating training for public works professions. DUMAS TP integrates 2-6 apprentices annually from this and other BTP CFA institutions.
• BTP CFA Auvergne Rhône-AlpescoreImplementation/ SI/ Consulting PartnerApprenticeship training center for building and public works trades through alternating programs. DUMAS TP is a partner employer for apprenticeships.
• AGEFIPH Auvergne Rhône-AlpesminorOthersAssociation managing a fund for professional integration of people with disabilities. DUMAS TP partners with AGEFIPH for disability-inclusive hiring practices.
• GEIQ BTPminorOthersEmployers group for insertion and qualification in the BTP sector. DUMAS TP partners with GEIQ BTP for workforce insertion and qualification programs.
• ADAPTminorOthersAssociation for social and professional integration of people with disabilities. DUMAS TP partners with ADAPT for disability-inclusive employment.
• AEPV (Association des Acteurs Economiques de la Plastics Vallée)minorOthersEconomic association of businesses in the Plastics Vallée (Haut-Bugey). DUMAS TP, through its Haut-Bugey agency director, participates in the women's group of AEPV. Supports local economic development and networking.
• BUGEY DEVELOPPEMENTminorOthersBusiness association developing the economic fabric of the Bugey Sud territory. DUMAS TP is a member supporting local economic development initiatives.
• OPPBTP (Organisme Professionnel de Prévention du Bâtiment et des Travaux Publics)coreOthersProfessional prevention organization for building and public works. DUMAS TP has been partnered with OPPBTP since 2013 on a safety improvement program, resulting in a CHSCT (now CSE) and dedicated safety officer. OPPBTP provides regular quarterly visits and recommendations for health, safety, and working condition improvements.
• PRIMMO (Promoteur Lotisseur AIN – 2 Savoie – Isère)coreChannel Partner/ Reseller/ DistributorDeveloper and lotissor operating in Ain, Savoie, and Isère departments. DUMAS TP carries out viabilisation and VRD works for PRIMMO's residential development projects on an ongoing basis.
• CARSAT (Caisse d'Assurance Retraite et de la Santé au Travail)minorOthersRetirement and occupational health insurance fund. DUMAS TP works with CARSAT on worker health and retirement matters.
• SST DE L'AIN (Service de Santé au Travail de l'Ain)minorOthersOccupational health service for the Ain department. DUMAS TP works with SST de l'Ain for employee health monitoring and workplace safety compliance.
• ACTION LOGEMENTminorOthersOrganization supporting employee residential mobility and professional employment. DUMAS TP partners with Action Logement to support staff housing and mobility needs.

Scale indicators8 records

Recent moves14 records

Expansion highlights5 records

Direct peers

• Sobeca: Eiffage subsidiary specialized in electrical networks, public lighting, and fiber deployment. Directly comparable to DUMAS TP's 'réseaux secs' business serving ENEDIS-type utility clients, with regional agency coverage across France.
• Sade: French specialist in water, sewer, and underground network construction and maintenance. Closest direct competitor to DUMAS TP on AEP/EU/EP wet-network renewal projects for municipal clients, though typically larger and multi-region.
• Cheval TP: French regional public-works contractor focused on earthworks, networks, and road construction for municipalities. Comparable to DUMAS TP in scope, customer profile, and tender-based business model, though based in a different region.
• Granet TP: Savoie-based public-works contractor offering terrassement, VRD, and utility-network installation. Strong geographic overlap with DUMAS TP's Bugey/Savoie territory and directly comparable multi-trade service profile for municipal clients.
• Perrier TP: Regional French TP firm with earthworks, roadwork, and utility-network capabilities serving public-sector clients. Comparable size, service offering, and tender-driven model to DUMAS TP, though operating in a different regional footprint.
• Marc SA (Travaux Publics): Regional French public-works contractor with multi-trade offerings (terrassement, networks, VRD) serving local governments and developers. Closely mirrors DUMAS TP's size, service mix, and go-to-market through public tenders.

Broad incumbents

• Eiffage Génie Civil: Major French civil engineering contractor (Eiffage group) active in infrastructure, earthworks, and network construction. Overlaps with DUMAS TP on wet-network and VRD tenders, but operates at national scale and a much wider portfolio.
• Sogea (Vinci Construction): Vinci Construction's network and hydraulics subsidiary, specializing in water, sewer, and utility-network construction. Directly comparable service offering to DUMAS TP's wet/dry networks business, but at national scale under a major group umbrella.
• NGE (Nouvelles Générations d'Entrepreneurs): Mid-to-large French public-works group with strong regional agency networks across France, including in Rhône-Alpes. Competes with DUMAS TP on earthworks, roadwork, dry/wet networks, and civil engineering for municipalities.
• Colas France: Subsidiary of Bouygues and France's largest road and public-works contractor. While vastly larger and broader than DUMAS TP, it competes directly for the same municipal earthworks, roadwork, and utility-network tenders across French regions.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/soci%C3%A9t%C3%A9-dumas-tp

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

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 DUMAS TP