What TERCA does

TERCA (legal name: Terrassements et Canalisations TERCA) is an independent, family-owned French public works contractor founded in 1976 by M. Roland BARBE and headquartered in Lagny-sur-Marne, Seine-et-Marne. The company specializes in the installation, renewal, and connection of underground utility networks across two main service divisions: 'Réseaux secs' covering low to very high voltage electricity (up to 400,000V), natural gas distribution, telecommunications, and public lighting, and 'Réseaux humides' covering district heating, potable water, and sanitation/wastewater, complemented by VRD roadworks and subdivision development. Core technical capabilities rest on civil engineering trenching, certified crew qualifications (Pass Travaux HT, CATEC), an in-house engineering bureau providing feasibility studies and geodetection of underground networks, and three patented lead-extraction devices mounted on mini-excavators.

The customer base is anchored by major French regulated infrastructure operators including Enedis, RTE, GRDF, RATP, SNCF, ADP, SUEZ, Orange, as well as public entities (Ville de Paris, SIPPEREC, SEDIF) and private developers (Disneyland Paris). The company operates with 130 employees organized into 30 fully autonomous teams, of which 50% have tenure exceeding ten years; up to 20 temporary agency workers supplement the permanent workforce. Geographic reach is Île-de-France as the primary service area, with selective national deployment across all French territory for specialized very high voltage (HTB) work commissioned by RTE, where the company has held continuous relationship for 15 years.

Revenue is generated exclusively through project-based B2B contracts awarded via calls for tender (appels d'offres) and direct quotes from a dedicated commercial team. Pricing is fully custom and project-specific, with no public rate cards, no recurring subscription component, and no disclosed revenue figures. The company holds ISO 9001 (since 1998), ISO 14001 (since 2010), and ISO 45001 (since 2019) certifications covering the full project lifecycle, and has won the Prix de Bonne Tenue des Chantiers de la Ville de Paris in five separate years (2011, 2012, 2016, 2017, 2018). Marketing relies on direct enterprise sales, professional website presence, industry reputation, and awards rather than digital demand generation.

Name

TERCA

Legal name

Terrassements et Canalisations TERCA

Website

https://terca.fr

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

51–100 employees

Short description

TERCA is a French family-owned public works contractor founded in 1976 that installs, renews, and connects underground networks for electricity, gas, water, sanitation, district heating, and telecommunications, serving major regulated infrastructure operators including Enedis, RTE, GRDF, RATP, SNCF, and ADP primarily across Île-de-France and nationally for high-voltage projects.

Ownership category

akta.pro rank

Product category

Public Works / Civil Engineering

NAICS

Power and Communication Line and Related Structures Construction (237130)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

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

akta.pro secondary industries

Transmission line EPC & construction (overhead) (EUADAKAA), HVAC Transmission Lines (EHV/UHV Overhead & Underground) (EUADAAAD)

Keywords

• Underground network construction
• Public works services
• Road and utility networks
• High voltage electrical works
• Civil engineering studies

Headquarters

HQ city

Champs-sur-marne

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Others

Revenue model

1. Infrastructure Construction Services: Project-based revenue from civil engineering and public works contracts. Services include installation, renewal, and connection of underground utility networks (electricity, gas, water, sanitation, urban heating) and road/infrastructure development (VRD). Revenue is one-time per project with no recurring subscription component.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

TERCA is a French public works company specializing in the installation of underground networks — electrical, gas, water, sanitation, telecommunications, and district heating — along with VRD (road works and miscellaneous networks), an in-house engineering studies office (Bureau d'études), and HTB (Très Haute Tension) high-voltage electrical works. The company delivers end-to-end network deployment and renewal projects for public authorities, utility operators, and private developers in France.

Product overview

TERCA is an independent family-owned public works company (Terrassements & Canalisations) founded in 1976 by M. Roland BARBE, operating as a service-based business rather than a software product company. The company offers a comprehensive portfolio of infrastructure services organized around two main divisions: 'Réseaux secs' (dry networks - electrical and gas) and 'Réseaux humides' (wet networks - heating, water, sanitation), plus VRD (road and miscellaneous networks) and an in-house engineering studies bureau. Services span the full lifecycle from project feasibility studies through execution to final connection, covering electrical networks (low to very high voltage), gas distribution, district heating, potable water, sanitation, and road/urban development work.

Differentiator

Problem solved

Functional benefit

Products and services

• Underground Network Installation Installation of underground utility networks covering electrical, gas, water, sanitation, telecommunications, and district heating infrastructure, delivered to public authorities, utility operators, and private developers in France.
• VRD (Voirie et Réseaux Divers) Road works and miscellaneous surface networks (Voirie et Réseaux Divers) executed as part of infrastructure projects for public and private clients.
• Bureau d'études (Engineering Studies) In-house engineering studies office providing design, planning, and technical studies to support network and infrastructure project delivery.
• HTB (Très Haute Tension) Electrical Works Specialized high-voltage (Très Haute Tension) electrical works performed as part of network and infrastructure projects, differentiating TERCA from generalist VRD contractors.

Quantifiable outcome

• 45+ years continuous operation since 1976 as independent family business
• +3 more outcomes

Named customers12 records

Segments7 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• EnediscoreStrategic or Co-development PartnerPrimary electrical distribution operator in France, operating low and medium voltage networks. TERCA has operated for many years as contracted installer for electrical branch connections, mandated by Enedis with 10 terrace teams and 5 electrician teams mobilized for Enedis branch work. Teams equipped with double-cab trucks with crane for autonomous operations.
• RTEcoreStrategic or Co-development PartnerFrench electricity transmission network operator. TERCA has operated for 15 years on very high voltage (HTB) underground cable installation from 50,000V to 400,000V across all French territory. A specific internal division was created to meet RTE's requirements. TERCA also provides emergency response with on-call teams for network failures.
• GRDFcoreStrategic or Co-development PartnerNatural gas distribution network operator in France. TERCA performs gas network construction, extension, renewal of steel, cast iron and PEhd pipelines, new branch installations, and non-freezing pipeline techniques for GRDF.
• RATPcoreStrategic or Co-development PartnerParis public transport authority. TERCA performs medium voltage electrical infrastructure and civil engineering works for RATP operations.
• SNCFcoreStrategic or Co-development PartnerFrench national railway company. TERCA performs infrastructure works including network connections and electrical work near rail facilities.
• ADP (Paris Aéroports)coreStrategic or Co-development PartnerParis airports operator. TERCA performs electrical infrastructure and network works at Paris Charles de Gaulle and Orly airports.
• Disneyland ParisminorStrategic or Co-development PartnerMajor entertainment resort near Paris. TERCA performs VRD road and infrastructure works for Disneyland Paris resort development projects.
• SUEZ (Lyonnaise des eaux, Nantaise des eaux)coreStrategic or Co-development PartnerWater utilities group operating water distribution networks. TERCA performs water network installation and maintenance services.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• NGE: Independent French construction group with strong positions in underground networks, VRD, and rail infrastructure. Closely comparable multi-utility underground scope (electrical, gas, water, telecom) and a similar multi-regional family-grown heritage, though at materially larger scale than TERCA.
• Omexom (VINCI Energies): VINCI Energies' brand dedicated to energy infrastructure, including underground HV/EHV transmission cable installation and T&D construction. Direct overlap with TERCA's HTB underground work for RTE, but with the backing of VINCI's national engineering, procurement, and bonding capacity.
• GTIE (Bouygues Construction): Bouygues Construction's electrical networks and infrastructure business covering power, lighting, and telecom networks. Directly competes on Enedis and urban infrastructure tenders in Île-de-France, with broader technical and geographic coverage.
• Spie: French listed multi-technical services group with a dedicated energy networks business line covering underground transmission, distribution, and telecom works. Competes head-to-head with TERCA on Enedis, RTE, and urban infrastructure tenders and operates across all French regions.
• Eiffage Énergie Systèmes: The energy infrastructure arm of French construction major Eiffage, delivering overhead and underground HV transmission, distribution, and telecom network works across France. Competes with TERCA for Enedis, RTE, and GRDF frameworks but operates at national scale and a much larger balance sheet.
• Sogea Environnement (VINCI Construction): VINCI Construction subsidiary focused on water, sanitation, and hydraulic infrastructure networks across France. Overlaps with TERCA's potable water and sanitation scope, particularly with SEDIF, SUEZ, and municipal water authorities, but at significantly greater scale.
• Bouygues Energies & Services: Energy and digital infrastructure subsidiary of Bouygues, active in French power and telecom network construction including Enedis and RTE work. Competes with TERCA on multi-utility tenders across Île-de-France and nationwide, with substantially larger resource base.

Direct peers

• Ramery: Independent French family-owned contractor group operating across networks, earthworks, VRD, and building utilities in northern France. Most comparable peer by ownership structure, service mix, and regional mid-size footprint, though Ramery is larger and more diversified geographically.
• SADE: Specialist French contractor focused on water, sanitation, and hydraulic networks (now part of Veolia). Directly comparable as a wet-networks specialist with similar project-based model and similar client base (SUEZ, SEDIF-type authorities), complementing TERCA's overlapping water and sanitation scope.
• Fayolle Group: French mid-size family-owned public works group active in underground networks (electrical, gas, telecom, water) and VRD. Closely comparable in size, service portfolio, and client profile (Enedis, GRDF, municipalities), and is a direct mid-market competitor in similar regional tenders.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/terca

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 TERCA