GTIE Tertiaire

What GTIE Tertiaire does

GTIE Tertiaire is a Paris-region specialist electrical contractor focused exclusively on the tertiary (commercial real estate) market. Founded in 2003 as part of VINCI Energies, the company operates from its headquarters in Champlan (Essonne) and is structured around three integrated service pillars: Courants Forts (high-voltage transformer connections, TGBT distribution, generators, terminal outlets, and EV charging), Courants Faibles (VDI structured cabling, SSI fire safety, access control, CCTV, intrusion detection), and Smart Building (GTB/BMS integrating HVAC, lighting, access control, and IoT via Ethernet, 3G/4G, and TOIP). The company also acts as a macro-lot coordinator, managing relationships with utility concessionaires and sub-trades to deliver projects on a turnkey basis through its GTIE Présence and GTIE Latitude subsidiaries.

The business model is project-based B2B contracting, with revenue billed per engagement at values ranging from €100k to €4.7M per contract and an average project size of approximately €1.8M. Pricing is individually quoted; no standardized public pricing exists. Customer acquisition is driven by direct enterprise engagement with property developers, hoteliers, banks, insurers, and general contractors, supported by a project reference portfolio and the VINCI Energies brand ecosystem. Notable customers include HSBC, BNP Paribas, Crédit Agricole, Hilton, WeWork, Printemps, Galeries Lafayette, SOGEPROM, VINCI Immobilier, RTE, EDF, and SFR.

In 2025, GTIE Tertiaire reported turnover of €40.4M (rounded to €41M) with 103 collaborators. The company holds ISO 9001:2015 certification and Qualifelec qualifications MGTI5 CM (medium/large tertiary and industrial electrical installations) and CF 3 ST GT TC FO (low-voltage systems). It operates exclusively within France and is wholly owned through the VINCI Energies corporate structure, with no external shareholders, venture financing, or public listing disclosed. President Florent Malvezin leads the entity.

Name

GTIE Tertiaire

Legal name

GTIE Tertiaire

Website

https://gtie-tertiaire.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

51–100 employees

Short description

GTIE Tertiaire is a Paris-region electrical contractor specializing in Courants Forts, Courants Faibles, and Smart Building installations for commercial real estate. A VINCI Energies subsidiary serving banks, hoteliers, retailers, and property developers with €40.4M revenue (2025) and 103 employees.

Ownership category

akta.pro rank

Product category

Electrical Contracting Services

NAICS

Electrical Contractors and Other Wiring Installation Contractors (23821), Electrical Contractors and Other Wiring Installation Contractors (238210)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Retail & Mixed-Use Commercial Construction (IMAFACAB)

Keywords

• Electrical contracting services
• Commercial building wiring
• Low voltage systems
• Smart building automation
• Power distribution installation

Headquarters

HQ city

Champlan

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Electrical Installation Services (CFO/CFA): GTIE Tertiaire generates revenue through project-based electrical installation contracts for commercial real estate. Services are billed per project (one-time), covering design-build and installation work on new construction, rehabilitation, and renovation projects. Revenue is derived from large-scale projects ranging from €100k to €4.7M per contract.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

GTIE Tertiaire is a specialist electrical installation contractor for the tertiary (commercial) building market in the Paris region. It designs and installs integrated electrical infrastructure across three pillars: Courants Forts (high-power distribution from HTA transformer to terminal outlets including UPS and generators), Courants Faibles (VDI structured cabling, fire safety, access control, CCTV, intrusion detection), and Smart Building (GTB/BMS, IoT, TOIP, Wifi, 4G coverage). Engagements are custom project-based contracts for new construction, rehabilitation and fit-out of office, retail, hospitality and data-center buildings.

Product overview

GTIE Tertiaire is a specialist electrical installation company serving the tertiary/commercial sector in the Paris region. The company operates as part of VINCI Energies and offers three integrated service pillars: Courants Forts (high-power electrical infrastructure including transformer stations, distribution networks, and terminal systems), Courants Faibles (low-voltage systems including structured cabling, security, fire safety, and access control), and Smart Building (intelligent building management including GTB, Wifi, and IoT integration). The company also provides comprehensive project management and all-trades coordination services. Two subsidiaries extend capabilities: GTIE Présence serves the hotel and tertiary real estate sector, while GTIE Latitude handles complex technical electrical infrastructure projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Courants Forts (Strong Currents) High-power electrical installation service for commercial buildings, covering HTA (High Tension) transformer stations, TGBT (General Low Voltage Distribution Boards), power distribution networks, UPS, generators, EV charging stations, and terminal distribution to lighting and workstations. Designed for property owners, developers, general contractors and data-center operators in the Paris region undertaking new construction or rehabilitation projects.
• Courants Faibles (Weak Currents) Low-voltage systems integration service covering VDI (Voice-Data-Image) structured cabling, fire safety systems (SSI), access control, video surveillance (CCTV), intrusion detection, intercom, and centralized technical management (GTC). Targeted at commercial real estate, banking, retail, hospitality and public-sector buildings needing integrated low-voltage infrastructure.
• Smart Building / GTB (Gestion Technique du Bâtiment) Building technical management service integrating HVAC, lighting, access control and IoT devices via Ethernet, 3G/4G and TOIP networks, including Wifi infrastructure, AutoCom and 4G coverage. Targeted at commercial property owners and developers pursuing energy-efficient, connected buildings aligned with BREEAM, HQE, BBC and WEEL certifications.
• Management de Projet / Macro-lot Management Multi-trade electrical project management service in which GTIE Tertiaire acts as the coordinating entity (macro-lot) for the full electrical scope, managing relationships with utility concessionaires and proposing tailored work solutions for clients. Designed for property owners, developers and general contractors seeking a single point of contact for complex multi-system electrical delivery.
• Tous Corps d'État (All Trades) Coordination Comprehensive coordination service extending beyond electrical work to cover gros œuvre (structural) and second œuvre (finishing) trades through a trusted partner network, providing clients with a single point of contact for complete project delivery. Targeted at clients seeking turnkey delivery of tertiary construction or rehabilitation projects.

Quantifiable outcome

• 41 M€ turnover achieved in 2025 with 103 employees
• +3 more outcomes

Named customers25 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• VINCI EnergiescoreStrategic or Co-development PartnerGTIE Tertiaire is an integral subsidiary of VINCI Energies France, which groups 800 companies. The company was established in 2003 as part of VINCI Energies, making VINCI its parent organization. VINCI Energies provides brand identity, capital resources, cross-selling opportunities, and operational backing. GTIE Tertiaire operates autonomously within the VINCI Energies ecosystem.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• SNEF: Marseille-based French electrical contractor (Fayat group) with significant Paris-region presence serving commercial real estate, banks and data centers with comparable CFO/CFA scope.
• SATELEC: Fayat group's flagship electrical contracting brand in France, delivering tertiary electrical installations, fiber networks and smart building services with strong overlap to GTIE Tertiaire's offering.
• Santerne: VINCI Energies sister company offering electrical contracting for tertiary and infrastructure projects, directly overlapping with GTIE Tertiaire's service portfolio and customer base.
• SPIE France: Independent French electrical and mechanical services group with a tertiary-building electrical contracting practice directly competing with GTIE Tertiaire in Paris commercial projects.
• SDEL: VINCI Energies sister entity delivering tertiary and industrial electrical contracting (CFO/CFA) with comparable scope across French regional markets.
• Cegelec: Sister company of GTIE Tertiaire within VINCI Energies, providing multi-disciplinary electrical contracting and HVAC services for commercial, industrial and infrastructure clients across France and internationally.

Broad incumbents

• Eiffage Énergie Systèmes: Energy and electrical systems division of Eiffage Group, one of France's largest construction conglomerates; competes with GTIE Tertiaire across commercial, industrial and infrastructure electrical work.
• INEO (EQUANS): Major French multi-technical contractor within EQUANS (Engie), performing commercial electrical installations and smart building integration with significant overlap to GTIE Tertiaire's scope.
• ENGIE Solutions: ENGIE Group's multi-technical services subsidiary (now part of EQUANS perimeter) providing electrical contracting and facility management for commercial real estate at national scale.
• Bouygues Energies & Services: Energy services arm of Bouygues Construction; delivers tertiary electrical installations and smart building solutions as part of a broader portfolio competing with GTIE Tertiaire.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 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 GTIE Tertiaire