CIEL

Industrial Engineering Servicesciel.snef.fr

CIEL is a French industrial systems integrator and Groupe SNEF subsidiary that employs 120 specialists to design, manufacture, install, and maintain custom multitechnical solutions (low-voltage panels, electronics, industrial processes, cabling, video surveillance) for defense, transport, nuclear, industrial, and tertiary sector clients.

Company typePrivate
Founded-
HeadquartersLa Seyne-sur-Mer, France
Headcount101–250
GTM typeB2B
OfferingServices

What CIEL does

CIEL is a French industrial systems integrator headquartered in La Seyne-sur-Mer and operating as a wholly-owned subsidiary of Groupe SNEF. With 120 specialized collaborators and more than 70 years of operating history, the firm designs and deploys custom multitechnical solutions across six integrated product lines: low-voltage electrical panels (Tableaux Basse Tension), weak current cabling and VDI systems, electronics, industrial process engineering, maintenance services, and video surveillance. Delivery follows a full-lifecycle model — study, design, prototyping, qualification, fabrication, installation, commissioning, and maintenance — supported by 1,000 m² of specialized workshops, a 1,200 m² production unit, in-house R&D laboratories, testing benches, and 3D modeling capabilities for embedded console design.

The company sells to five primary verticals: Military (Marine, Aeronautical), Transport, Industry, Nuclear, and Tertiary. Named engagements include preparation and installation support for the Famous TOOL computer on the US Melbourne Florida naval platform, renovation of electrical bundles for Lyon Metro Line D, commissioning of electrical cabinets at the Marine Nationale Toulon naval base, and maintenance of Canal de Provence installations. Revenue is generated through project-based enterprise contracts with no publicly disclosed pricing; pricing is tailored to the technical complexity, qualification requirements, and lifecycle scope of each engagement. Annual R&D investment produces patented, industrializable technologies, and CIEL is positioned to leverage the broader Groupe SNEF group's distribution and cross-subsidiary referrals for larger multi-technical tenders.

CIEL's competitive posture is built on certified reliability for high-stakes applications (defense platforms, nuclear facilities, metro fleets), capital-intensive in-house testing and fabrication, and talent depth accumulated over seven decades. The firm is privately held, French-domiciled, and has no disclosed funding rounds, external investors, or management team information in the source data; revenue is also not publicly disclosed. Geographic reach is concentrated in France with selective international defense engagements rather than a structured international build-out.

CIEL firmographics

Firmographics

Name: CIEL
Legal name: CIEL
Website: https://ciel.snef.fr
Company type: Private
Operating status: Operating
Headcount range: 101–250 employees
Short description: CIEL is a French industrial systems integrator and Groupe SNEF subsidiary that employs 120 specialists to design, manufacture, install, and maintain custom multitechnical solutions (low-voltage panels, electronics, industrial processes, cabling, video surveillance) for defense, transport, nuclear, industrial, and tertiary sector clients.
Ownership category
akta.pro rank

CIEL industry classification

Industry

Product category: Industrial Engineering Services
NAICS: Switchgear and Switchboard Apparatus Manufacturing (335313), Electrical Equipment Manufacturing (3353), Engineering Services (541330)
SIC: Electrical Industrial Apparatus (3620), Switchgear & Switchboard Apparatus (3613)
akta.pro primary industry: Electrical Contracting (Commercial/Industrial) (IMAIABAC)
akta.pro secondary industries: Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards) (IMAGAEAA), Electrical Systems Maintenance (LV/MV, Switchgear, UPS) (BPABACAC), Electrical Engineering & Power Distribution (Generation, Switchboards, Cabling, Lighting) (IMAJAGAF)

Keywords

Industrial systems integration
Multitechnical engineering
Low-voltage electrical panels
Industrial process engineering
Custom electrical systems

Where CIEL is headquartered

Location

Headquarters

HQ city: La Seyne-sur-Mer
HQ country: France
HQ region: Europe

Offices1 record

Markets served

CIEL business model

Business model

GTM type: B2B
Offering type: Services
Cost components: Personnel, Operations, Technology or R&D, Infrastructure, Supply Chain

Revenue model

Industrial Systems Integration and Installation: End-to-end project delivery including study, design, prototyping, qualification, fabrication, installation, commissioning, and maintenance of multitechnical industrial systems. Revenue is generated through project-based contracts with industrial clients requiring high technicality solutions.
R&D and Engineering Services: Research, studies, conceptions, prototyping, and qualification services for custom industrial solutions. Annual R&D investment supports innovation product development including patented and industrializable technologies.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

CIEL product offering

Product offering

Core offering

CIEL designs, manufactures, and deploys multitechnical and custom industrial solutions spanning electrical engineering (low-voltage panels), weak current systems (cabling and VDI), electronics, industrial processes, and maintenance. The company delivers end-to-end turnkey projects covering study, design, prototyping, qualification, fabrication, installation, commissioning, and ongoing maintenance for clients in defense (Marine, Aeronautical), transport, industry, nuclear, and tertiary sectors.

Product overview

CIEL, a subsidiary of Groupe SNEF, offers a unified portfolio of multitechnical industrial solutions rather than a modular platform. The core offerings encompass six integrated product and service lines: Electrical Engineering (Low-Voltage Panels), Weak Current Systems (Cabling and VDI), Electronics, Industrial Processes (R&D, prototyping, qualification, systems creation), Maintenance services, and Video Surveillance. These solutions are delivered as complete, turnkey systems with a full lifecycle approach from study and design through prototyping, fabrication, installation, commissioning, and ongoing maintenance. The company operates R&D laboratories, specialized workshops (1,000 m2), and a production unit (1,200 m2), supported by test benches and test equipment. Key sectors served include Military (Marine, Aeronautical), Transport, Industry, Nuclear, and Tertiary sectors.

Differentiator

Problem solved

Functional benefit

Products and services

Génie électrique - Tableaux Basse Tension (Low-Voltage Electrical Panels)

Quantifiable outcome

Real-condition simulation testing capability ensures high reliability before deployment

Companies that use CIEL

Customer profile

Named customers4 records

Segments5 records

Ideal customer profiles4 records

CIEL technology and API

Technology

Technology focussed No

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

Feature4 records

CIEL partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

Groupe SNEFcoreStrategic or Co-development PartnerCIEL is a subsidiary of Groupe SNEF, a leading French independent player in multitechnical solutions. Groupe SNEF operates in Energy, Industrial Processes, Telecommunications, and IT sectors. CIEL benefits from the group's global scale while maintaining its specialized industrial expertise.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

CIEL competitors and assessment

Company assessment

Direct peers

Eiffage Énergie Systèmes: Specialized subsidiary of Eiffage Group delivering electrical contracting, industrial process engineering, and maintenance for industrial, nuclear, defense, and transport clients. Directly comparable to CIEL in customer segments (military, nuclear, rail) and technical scope (LV panels, electrical cabinets, multitechnical integration).
Assystem: French engineering services firm specializing in nuclear, energy, and industrial infrastructure. Comparable to CIEL in nuclear process engineering and high-reliability electrical systems design, with stronger engineering consulting orientation.
Bouygues Energies & Services: Subsidiary of Bouygues Construction delivering electrical contracting, industrial process, and facility services across transport, energy, and industrial sectors. Comparable to CIEL in turnkey electrical engineering for industrial and public-sector clients.
SNEF Power Services: Sister subsidiary of CIEL within Groupe SNEF specializing in electrical infrastructure for energy and power networks. Comparable to CIEL in electrical contracting and industrial LV systems, with stronger focus on utility-side power distribution projects.
Cegelec: French electrical contractor and multitechnical integrator (part of VINCI group) serving infrastructure, industry, defense, and nuclear sectors. Comparable to CIEL across LV panel manufacturing, installation, and maintenance services, with significant overlap in industrial and defense end markets.
EKIUM: Engineering, automation, and industrial IT services firm within the broader Groupe SNEF ecosystem. Comparable to CIEL in industrial process engineering, automation, and multitechnical delivery for industrial and energy clients, though with stronger automation/IT focus.
Spie S.A. French listed multitechnical services provider offering electrical, mechanical, and industrial process engineering across energy, transport, and industrial markets. Closely comparable to CIEL in core service portfolio, end-market focus, and project-based delivery model, though at substantially larger scale.

Broad incumbents

Akka Technologies: European engineering and technology consulting firm serving industrial, aerospace, and defense sectors. Comparable to CIEL in technical engineering services and prototype/R&D delivery, though structured as a consulting and R&D powerhouse rather than a system installer.
VINCI Energies: Large French multitechnical solutions provider with extensive overlap in industrial electrical, LV switchgear manufacturing, and infrastructure services. Comparable to CIEL in core offerings but operates at much broader scale and across more geographies.
Equans: European multitechnical services group (formerly Engie Solutions) delivering electrical, mechanical, and digital services across industrial, energy, and transport sectors. Overlaps with CIEL in industrial electrical contracting and maintenance, with broader geographic and service footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

CIEL financial estimates

Financial estimate

Revenue estimate

Valuation estimate

CIEL leadership team

Management profile

Number of profiles

CIEL funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

CIEL M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CIEL

What does CIEL do?

Is CIEL a public or private company?

CIEL is a private company. It is classified as corporate owned and is currently operating.

When was CIEL founded?

CIEL was founded in -1. It employs 101 to 250 people.

Where is CIEL based?

CIEL is headquartered in La Seyne-sur-Mer, France, in the Europe region.

How does CIEL make money?

Two revenue lines are on record. Industrial Systems Integration and Installation is the primary driver. The others are R&D and Engineering Services.

Who are CIEL's main competitors?

Direct peers on record are Eiffage Énergie Systèmes, Assystem, Bouygues Energies & Services, SNEF Power Services, Cegelec, EKIUM and Spie S.A.. Broad incumbents are Akka Technologies, VINCI Energies and Equans.

Does CIEL have an API?

No public API is recorded for CIEL.

What industry is CIEL in?

CIEL's product category is Industrial Engineering Services. Its primary akta.pro industry code is IMAIABAC, Electrical Contracting (Commercial/Industrial), with a secondary code of IMAGAEAA, Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards). Its NAICS code is 335313 and its SIC code is 3620.