SITES

What SITES does

SITES is a French engineering company founded in 1984 and headquartered in Rueil-Malmaison, specializing in structural health monitoring, inspection, instrumentation, and technical assistance for civil engineering infrastructure. The company serves infrastructure owners and operators across nuclear energy (EDF), transport (Vinci Autoroutes, MESEA, HAROPA Ports, City of Paris), energy (ENGIE Green, Gaz-Opale / Dunkerque LNG, CNR), heritage monuments (Louvre), and government/defense (Marine Nationale). Its technical offering combines detailed periodic inspections (ITSEOA), drone-based remote inspection, photogrammetric 3D surveying, and continuous sensor-based monitoring, supported by proprietary tools including the SIMon-E® web platform for real-time monitoring, ScanTubes® for tubular structure inspection using 12 calibrated cameras and photogrammetric processing, IntraBlade for internal pile inspection, Panoblade® for wind turbine blade inspection (via Cornis), and an in-house drone fleet. SITES operates through seven French regional offices plus wholly-owned subsidiaries in China (SI TAI) and South Africa (SITES AFLA), with project operations extending to Saudi Arabia, Senegal, Côte d'Ivoire, and Switzerland.

The company generates revenue primarily through project-based professional services and long-term framework agreements (e.g., 6-year Vinci Autoroutes contract covering ~1,200 structures, 8-year HAROPA Ports contract covering ~180 port structures), supplemented by technical assistance, commissioning, and engineering studies. Disclosed revenue was €35.1 million in 2019. SITES is a subsidiary of the Everenn Group, which also includes Vibratec SAS (vibration and acoustics, acquired May 2023), MicrodB, and Cornis (wind turbine inspection and AI, acquired January 2021). In February 2022, RAISE Investissement and the Fonds France Nucléaire (FFN) entered the capital alongside management as minority shareholders. The company employs approximately 500 people and holds ISO 9001, ISO 14001, ISO 45001, ISO 19443 (nuclear supply chain), CEFRI E, and OPQIBI qualifications.

Name

SITES

Legal name

SITES SAS

Website

https://sites.fr

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

251–500 employees

Short description

SITES is a French engineering firm founded in 1984 that provides structural health monitoring, inspection, and technical assistance for nuclear, transport, energy, and heritage infrastructure owners, using proprietary tools including SIMon-E®, ScanTubes®, IntraBlade, and Panoblade® across France and international subsidiaries.

Ownership category

akta.pro rank

Product category

Structural Engineering and Infrastructure Monitoring Services

NAICS

Engineering Services (541330), Testing Laboratories and Services (54138), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711), Services-Testing Laboratories (8734)

akta.pro primary industry

Construction Management, Estimating & Site Supervision (EDAOAAAM)

akta.pro secondary industries

Site Assessment & Remediation (Phase I/II, Cleanup Oversight) (BPAHAJAC), Radiological & Hazardous Materials Monitoring (Radiation, Asbestos, Lead) (EUAHACAJ), Historic Sites, Heritage Landmarks & Archaeological Sites (THAJACAC)

Keywords

• Structural health monitoring
• Infrastructure inspection services
• Civil engineering consulting
• Bridge and tunnel inspection
• Structural durability engineering

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Inspection Services: SITES generates revenue primarily through project-based professional services including structural inspections, detailed periodic inspections (ITSEOA), engineering studies, structural assessments, and technical expertise for civil engineering structures. Revenue is derived from long-term framework contracts with infrastructure operators, government bodies, and asset owners.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

SITES is an engineering company that provides structural health monitoring, detailed periodic inspections, instrumentation, drone-based inspection, HD photogrammetric mapping, engineering calculations, and technical assistance services for civil engineering infrastructure (bridges, viaducts, tunnels, dams, nuclear facilities, heritage monuments). The company complements these services with proprietary digital tools such as the SIMon-E® real-time monitoring platform and the ScanTubes® 3D inspection system, deploying a multidisciplinary team of engineers, doctors, and technicians under long-term framework contracts with infrastructure owners and operators.

Product overview

SITES provides a comprehensive portfolio of structural health monitoring and inspection solutions for civil engineering infrastructure. The core offering centers on SIMon-E®, a web-based monitoring platform that aggregates sensor data from instrumented structures and delivers real-time alerts. This platform is complemented by specialized inspection technologies: ScanTubes® for tubular structure inspection (tunnels, conduits, shafts) using photogrammetric 3D surveying, IntraBlade for internal structural cavity inspection, drone-based inspection systems with HD mapping capabilities, and LIDAR/topometric instrumentation. Subsidiaries Cornis (PanoBlade® for wind turbines) and Vibratec (vibration/acoustic engineering) extend capabilities into energy sector inspection and structural dynamics. The company also delivers engineering, inspection, commissioning, and technical assistance services across nuclear, transport, energy, heritage, and industrial sectors.

Differentiator

Problem solved

Functional benefit

Brands

• SIMon-E: Web platform developed by SITES for monitoring instrumented structures, providing real-time data visualization, alerts, and structural monitoring capabilities
• ScanTubes
• IntraBlade
• MIMIA
• VERAO 4.0
• Panoblade

Products and services

• SIMon-E® Web-based platform for real-time monitoring of instrumented structures. Automatically collects and processes data from sensors (openings, joints, cracks, tilts, deformations, stresses, temperatures), provides 24/7 access, sends email/SMS alerts based on defined thresholds, with daily data backup on servers installed in France. Targets infrastructure owners, operators, and asset managers.
• ScanTubes® 3D surveying and photogrammetric inspection system for tubular structures such as tunnels, ventilation ducts, wells, silos, and penstocks. Pushed on a road or rail cart or suspended from a cable, the system captures high-resolution 360-degree photos from 12 calibrated industrial cameras while capturing 3D geometry via photogrammetric processing to produce digital twins of structures.
• IntraBlade Internal structural inspection system developed by SITES and CORNIS for visual inspection of internal cavities in bridge piers, viaduct piles, and similar elements. Used on the Viaduc de la Sioule (A89 for Vinci Autoroutes), inspecting internal pile sections of 10.5 x 3 meters across piles of 14 to 135 meters in height.
• Panoblade® (Cornis) Wind turbine blade inspection system developed by Cornis (subsidiary of SITES) that allows acquisition from ground level of all data needed for wind turbine blade condition assessment. Acquired into SITES' portfolio via the 2021 Cornis acquisition and used for ENGIE Green on the Germinon wind farm.
• Detailed Periodic Inspections (ITSEOA) and Engineering Studies Engineering consultancy service providing detailed periodic inspections (ITSEOA), structural assessments, engineering calculations under extreme loads, and technical studies for bridges, viaducts, tunnels, and other civil engineering structures. Targets infrastructure owners, operators, and asset managers.
• Drone-based Inspection and HD Mapping Service delivering drone-based inspection of large-scale structures (dams, viaducts, chimneys, cooling towers) combined with high-density photogrammetric surveys and digital twin creation. Equipped with HD photographic sensors and servo-controlled rangefinders. Applied to tunnels, bridges, heritage monuments, and industrial structures.
• Instrumentation and Real-Time Structural Health Monitoring End-to-end structural health monitoring service combining sensor installation (fissuromètres, inclinomètres, convergence meters), topometric instrumentation (robotized tachometers, LIDAR), and the SIMon-E® platform for continuous or periodic surveillance. Provided to nuclear operators, transport infrastructure managers, and energy asset owners.
• Technical Assistance and External Control of Corrosion Protection Technical assistance service including external control of corrosion protection and coatings, technical support to asset owners, constructors, operators, and insurers of structural assets, and engineering calculations under extreme loads. Targets infrastructure operators and constructors requiring expert oversight.
• Vibratec Vibration and Acoustics Engineering (Subsidiary) Vibration and acoustic engineering services delivered through Vibratec SAS, a wholly-owned subsidiary of SITES within the Everenn Group. Provides expertise in structural dynamics, predictive maintenance, and industrial monitoring solutions, and exhibits with SITES at trade shows.

Quantifiable outcome

• 5,000+ structures monitored in France and internationally
• +5 more outcomes

Named customers11 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability7 records

Feature8 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Vibratec SAScoreStrategic or Co-development Partner · 26 May 2023SITES acquired Vibratec SAS (announced May 2023, Construction Cayola and Le Journal des Entreprises), a company specializing in vibration and acoustics. Vibratec is part of the Everenn Group along with SITES and MicrodB. The companies exhibit together at trade shows including Global Industrie and WNE.
• CorniscoreStrategic or Co-development Partner · 19 January 2021SITES acquired Cornis, a French technology company and leader in wind turbine inspection and AI solutions. The combination leverages Cornis' expertise in asset aging dynamics, inspection capabilities, and AI deployment alongside SITES' structural engineering expertise. Cornis develops Panoblade® and IntraBlade systems.
• OXANDcoreStrategic or Co-development PartnerSITES and OXAND signed a strategic partnership for comprehensive infrastructure durability management. OXAND is a European leader in infrastructure aging management and heritage asset management. The partnership provides asset owners with end-to-end solutions combining SITES' inspection and monitoring expertise with OXAND's durability management platform.
• Doris EngineeringminorStrategic or Co-development PartnerSITES and Doris Engineering formed a consortium (groupement) selected by the French Navy's Service de Soutien à la Flotte in French Polynesia for structural expertise of the floating dock at Papeete, Tahiti.

Scale indicators7 records

Recent moves8 records

Expansion highlights7 records

Others

• Vibratec (pre-acquisition standalone): Now an SITES subsidiary (acquired May 2023) but historically a French independent specialist in vibration and acoustic engineering for industrial and nuclear clients. Relevant as a domain-comparable specialist that has since been integrated.
• Cornis (pre-acquisition standalone): French wind-turbine inspection and AI vendor acquired by SITES in 2021. Comparable before integration as a specialist inspection + computer-vision shop in adjacent renewable-energy asset monitoring.

Broad incumbents

• WSP: Global professional services firm with a substantial transportation and earth & environment practice, including bridge inspection and SHM. Overlaps with SITES' infrastructure inspection and engineering studies offering worldwide.
• Bureau Veritas: Global testing, inspection, and certification (TIC) major with a sizable infrastructure and nuclear inspection practice. Comparable as a full lifecycle testing/inspection provider to industrial and public asset owners at much larger scale.
• Egis: French-headquartered engineering and operator services group active across transport, energy, and urban infrastructure. Comparable scope in infrastructure engineering, including concession asset management where SITES' inspection services plug in.
• SGS: Largest TIC player globally, offering infrastructure inspection, materials testing, and asset integrity services. Overlaps with SITES' inspection/qualification work though it serves a much broader portfolio of verticals.
• AECOM: Global infrastructure consulting firm delivering design, engineering, and program management services, including bridge and tunnel inspection. Comparable on large-scale infrastructure asset monitoring and engineering at much greater scale.
• Setec: Major French independent engineering group providing structural design, project management, and inspection services for transport, energy, and buildings. Comparable in the French infrastructure engineering and inspection market.

Direct peers

• OSMOS Group: European specialist in structural health monitoring and fiber-optic sensing for bridges, tunnels, and historic monuments. Closely comparable on the SIMon-E/ScanTubes product envelope of continuous SHM instrumentation.
• Sixense: Subsidiary of VINCI Construction specializing in structural health monitoring, geotechnical instrumentation, and digital asset management for infrastructure. Direct competitor for SIMon-E-style real-time monitoring and inspection contracts with concessionaires.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sites-sas-france
• Xx.com/sites_fr

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries4 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 SITES