Grolleau
Grolleau is a French industrial company that designs and manufactures aluminum enclosures, telecom shelters, and connected cabinets for urban infrastructure, telecommunications, and electric mobility. Listed on Euronext Growth since 2021, it holds over 50% market share in France for urban cabinets.
- Company typePublic
- Founded1950
- HeadquartersMontilliers, France
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Grolleau does
Grolleau is a French industrial company founded in 1950 and headquartered in Montilliers (Maine-et-Loire), specializing in the design, manufacture, and integration of aluminum enclosures and connected solutions for outdoor infrastructure. Listed on Euronext Growth (ticker ALGRO) since December 2021 under the control of Active'Invest Group, the company serves four primary verticals — Smart City/Urban Infrastructure, Telecom & Data Centers, Green Energy/Electric Mobility, and Energy & Industry — with named customers including TotalEnergies, Orange, Bouygues Telecom, Schneider Electric, Enedis, SNCF, the City of Paris, MSC Croisières, and Nestlé. Grolleau holds over 50% market share in France for urban cabinets and claims leadership in on-street EV charging stations, backed by 75 years of operating history and over 500,000 cabinets manufactured cumulatively.
The core product portfolio spans urban cabinets (traffic signals, public lighting, video surveillance, EAB lockers), telecom shelters and fiber optic connection nodes (NRO), modular and micro datacenters, EV charging stations (normal, accelerated, ultra-fast DC), and industrial power distribution enclosures, plus naval doors supplied to cruise-ship builders. Its proprietary G'Connect connected-cabinet platform and G'Access supervision offering provide remote monitoring, real-time alerts, energy management, and VPN-secured configuration over installed fleets. Manufacturing is anchored at an 18,000 m² ISO 9001 and EN 15085-certified integrated site in Montilliers, with additional capacity in Milan and Shanghai through the 2023 acquisition and 2025 majority takeover of OMP Mechtron (75% as of September 2025).
Grolleau operates a direct enterprise B2B sales model with regional sales managers organized by product line and French territory, supplemented by an after-sales hotline, a 24/7 online spare-parts store, and a secured technical documentation portal. Revenue is generated through one-off hardware sales, installation and commissioning services, annual maintenance contracts, spare parts, and recurring managed IoT supervision fees. Reported turnover was €40M in 2024, a proforma 12-month turnover of €53.3M in 2025 (post-OMP Mechtron consolidation), with a CAP 2025 target of €50M. The company is pursuing international expansion (Grolleau Afrique JV in Ivory Coast, UK subsidiary, OMP Mechtron's Italy and China footprint) and diversification into edge computing, 5G, and EV ultra-fast charging through partnerships with IES Synergy, Schneider Electric, Weaccess Group, Arelis, and Signify.
Grolleau firmographics
Firmographics- Name
- Grolleau
- Legal name
- Grolleau SA
- Website
- https://grolleau.fr
- Company type
- Public
- Founded year
- 1950
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Grolleau is a French industrial company that designs and manufactures aluminum enclosures, telecom shelters, and connected cabinets for urban infrastructure, telecommunications, and electric mobility. Listed on Euronext Growth since 2021, it holds over 50% market share in France for urban cabinets.
- Ownership category
- akta.pro rank
Where Grolleau is headquartered
LocationHeadquarters
- HQ city
- Montilliers
- HQ country
- France
- HQ region
- Europe
Offices4 records
Markets served
Grolleau business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Hardware Product Sales: Sale of aluminum cabinets, shelters, and enclosures for energy distribution, telecom, and smart city applications. Products include urban cabinets, electric vehicle charging stations, fiber optic shelters, traffic signal cabinets, public lighting cabinets, and custom metal enclosures. Revenue from large one-off orders and recurring product supply.
- Installation and Commissioning Services: On-site installation, power supply setup, equipment and network configuration, and remote factory acceptance testing for deployed cabinets and shelters.
- Maintenance and After-Sales Services: Annual maintenance contracts, extended warranties, spare parts supply, and technical after-sales support ensuring high availability of customer equipment.
- IoT and Connected Solutions: Supervision platform fees, remote monitoring services, and connected equipment management for smart city and telecom applications.
Go-to-market motion2 records
Distribution channels5 records
Marketing channels6 records
Grolleau product offering
Product offeringCore offering
Grolleau designs, manufactures, and sells metal and aluminum outdoor enclosures, cabinets, and shelters for telecommunications infrastructure, energy distribution, smart-city applications, and data hosting. Its product portfolio spans urban street cabinets, fiber-optic NRO shelters, modular and micro datacenters, EV charging stations, and connected IoT-ready enclosures marketed under the G'Connect and G'Access brands, supported by installation, supervision, and after-sales services.
Product overview
Grolleau is a French industrial company specializing in the design, manufacture, and integration of aluminium enclosures and connected solutions for urban, telecom, energy, and industrial infrastructure. The product portfolio centers on metal cabinets including urban street furniture (traffic signals, public lighting, video surveillance), telecom shelters and fiber optic connection nodes (NRO), electric vehicle charging stations and infrastructure, and industrial power distribution equipment. The G'Connect connected cabinet platform enables remote monitoring and supervision. The company holds over 50% market share in France for urban cabinets and is the leading French manufacturer of on-street electric charging stations. The 2023 acquisition of OMP Mechtron (75% ownership as of 2025) expanded capabilities into mechanical and electronic integration across three global manufacturing sites.
Differentiator
Problem solved
Functional benefit
Products and services
- Armoires urbaines (Urban Cabinets) Street-level outdoor metal cabinets for housing telecom active equipment, traffic control, public lighting, and video surveillance equipment, sold to municipalities, telecom operators, and public infrastructure contractors.
- G'Connect Connected Cabinets IoT-enabled outdoor cabinets integrating sensors and remote monitoring, sold to telecom operators, utilities, and municipalities that need connected enclosure infrastructure.
- Modular Datacenter (Datacenter modulaire clé en main) Turnkey outdoor modular datacenter shelter integrating power, cooling, and security, sold to transport operators, edge-computing integrators, and IT infrastructure buyers.
- Micro Datacenter Compact outdoor micro-datacenter shelter designed for edge computing and distributed IT, sold to IT infrastructure operators, transport operators, and integrators.
- Telecom & Data Cabinets (street cabinets and NRO shelters) Outdoor metal cabinets and fiber-optic NRO (Nœud de Raccordement Optique) shelters for telecom operators, used to host fiber, 4G/5G, and street-level active equipment.
- Energy & Industry Cabinets Outdoor power-distribution cabinets, Coffret Synergie, and industrial enclosures sold to energy utilities (Enedis, TotalEnergies) and industrial customers.
- EV Charging Stations and Wall Box Outdoor electric-vehicle charging terminals, DC fast charging stations, and wall-box cabinets sold to EV charging operators, utilities, municipalities, and fleet operators.
- G'Access Supervision Service Subscription-based remote monitoring and management service for connected Grolleau cabinets, sold to telecom operators, utilities, and municipalities operating the cabinets in the field.
- OMP Mechtron Products Outdoor power and connectivity products from the acquired OMP Mechtron brand, sold through the Grolleau distribution network to telecom and energy customers.
Quantifiable outcome
- 500,000+ cabinets manufactured over 75 years
- +4 more outcomes
Companies that use Grolleau
Customer profileNamed customers21 records
Segments5 records
Ideal customer profiles4 records
Grolleau technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Grolleau partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered minor and core.
- OPM (OMP Products)minorGrolleau became the majority shareholder in OPM, strengthening its position in the OMP Mechtron group structure.
- Net&YouminorPartnership for the design of datacenters with Net&You, a hosting and cloud services provider.
- OMP MechtroncoreAcquisition of 49.9% stake in 2023, increased to 75% in September 2025. OMP Mechtron is a European industrial player specializing in mechanical and electronic integration with 3 sites in Italy, China, and worldwide presence. Enables Grolleau to expand globally and broaden its integration capabilities.
- IES SynergycoreStrategic industrial partnership for ultra-fast EV charging stations. Grolleau signed a partnership with IES Synergy to develop and manufacture ultra-fast DC charging stations for electric vehicles. This partnership combines Grolleau's enclosure expertise with IES Synergy's charging technology.
- Weaccess GroupcoreConsortium agreement for Convergence 5G program with Weaccess Group and Arelis. Grolleau contributes shelter and cabinet solutions for private 4G-5G network deployment. Also cooperates on public 4G-5G private networks.
- AreliscorePart of the Convergence 5G consortium with Weaccess Group. Arelis contributes RF/antenna technology while Grolleau provides the physical infrastructure (shelters, cabinets) for 5G deployment.
- SignifycoreSignify (formerly Philips Lighting) partnered with Grolleau to optimize sports facility lighting offerings. Grolleau provides the cabinet infrastructure while Signify provides LED lighting technology for sports venues.
- Bouygues E&S (Bouygues Energies & Services)coreBouygues E&S commercializes candélabre (street lamp-mounted) EV charging stations co-developed with Grolleau. Grolleau provides the cabinet/enclosure while Bouygues E&S handles commercialization and installation.
- ARTS EnergycoreCo-development of the first Ni-MH battery cabinet for the telecom sector. ARTS Energy batteries are integrated into Grolleau's telecom cabinets, providing a complete energy solution. ARTS Energy is also a subsidiary of the same parent company Active'Invest.
- MAPAC PanelminorStrategic alliance with MAPAC Panel for a global naval cabin door offer. Grolleau and MAPAC Panel combined capabilities to compete with European suppliers in the naval market, providing cabin doors and partitions for cruise ships.
- LAFONcoreLAFON distributes Grolleau's EV charging solutions in Paris, with Grolleau providing the equipment for Parisian electric mobility infrastructure.
- Schneider ElectriccoreGrolleau supplies EV charging station equipment to Schneider Electric under white-label arrangements. Schneider Electric integrates Grolleau's charging cabinets into its broader energy management and e-mobility solutions.
Scale indicators14 records
Recent moves7 records
Expansion highlights6 records
Grolleau competitors and assessment
Company assessmentDirect peers
- Rittal (Friedhelm Loh Group): German family-owned market leader in industrial and outdoor enclosures, including power distribution and IT/edge-computing cabinets. Directly comparable to Grolleau on core metal-enclosure manufacturing for energy and telecom customers, though at far larger global scale.
- Spelsberg: German specialist in industrial and outdoor electrical enclosures (e.g., AK/AKi series) used in energy distribution and infrastructure. Closely matched niche focus on certified outdoor cabinets for utility and industrial customers, similar to Grolleau's value proposition.
- Hensel: German mid-sized specialist in industrial and outdoor electrical enclosures, including substation and energy distribution cabinets. Closely comparable to Grolleau on product type, outdoor protection focus and mid-sized industrial profile.
- Fibox (Nordic Aluminium): Finnish-Swedish enclosure specialist with a strong outdoor-cabinet and pole-mounting offering for telecom, energy and infrastructure. Comparable to Grolleau on outdoor enclosures and on serving Northern European utilities, but with a different geographic center of gravity.
Broad incumbents
- nVent Electric (Hoffman brand): US-listed specialist in electrical enclosures and connections (Hoffman, Schroff) serving industrial, energy and data-center customers. Overlaps with Grolleau in outdoor cabinets for telecom, energy and smart-city infrastructure but spans a much broader global catalog.
- Schneider Electric: Global leader in power distribution, energy management and EV charging infrastructure; both a customer and adjacent competitor to Grolleau via its own ranges of outdoor EV, smart-city and industrial cabinets. Comparable because it defines the high-end competitive benchmark Grolleau wins and loses against.
- ABB: Swiss-Swedish conglomerate supplying substation control houses, switchgear enclosures and grid infrastructure. Comparable to Grolleau's substation, energy and industrial-cabinet offerings but bundled into far larger electrification and motion businesses.
- Eaton: US power-management major with a substantial electrical enclosures and power-distribution business. Overlaps with Grolleau in cabinets for utility, telecom and industrial customers worldwide.
- Legrand: French-listed global specialist in electrical and digital building infrastructure, including outdoor cabinets and connected solutions. Directly comparable to Grolleau on French market presence and on connected urban infrastructure, though at vastly larger scale and broader scope.
Emerging players
- IES Synergy: French EV-charging technology company that co-develops ultra-fast DC chargers with Grolleau. Comparable as an EV-charging partner that competes for the same modular cabinet/charger projects that drive Grolleau's energy vertical.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Grolleau compliance and trust
Trust signalCompliance6 records
Grolleau financial estimates
Financial estimateRevenue estimate
Valuation estimate
Grolleau leadership team
Management profileNumber of profiles
Profiles1 record
Grolleau subsidiaries and ownership
Company hierarchySubsidiaries2 records
Grolleau funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Grolleau M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Grolleau
What does Grolleau do?
Grolleau designs, manufactures, and sells metal and aluminum outdoor enclosures, cabinets, and shelters for telecommunications infrastructure, energy distribution, smart-city applications, and data hosting. Its product portfolio spans urban street cabinets, fiber-optic NRO shelters, modular and micro datacenters, EV charging stations, and connected IoT-ready enclosures marketed under the G'Connect and G'Access brands, supported by installation, supervision, and after-sales services.
Is Grolleau a public or private company?
Grolleau is a public company. It is classified as public and is currently operating.
When was Grolleau founded?
Grolleau was founded in 1950. It employs 101 to 250 people.
Where is Grolleau based?
Grolleau is headquartered in Montilliers, France, in the Europe region.
How does Grolleau make money?
Four revenue lines are on record. Hardware Product Sales are the primary driver. The others are installation and Commissioning Services, maintenance and After-Sales Services and ioT and Connected Solutions.
Who are Grolleau's main competitors?
Direct peers on record are Rittal (Friedhelm Loh Group), Spelsberg, Hensel and Fibox (Nordic Aluminium). Broad incumbents are nVent Electric (Hoffman brand), Schneider Electric, ABB, Eaton and Legrand. IES Synergy is listed as an emerging player.
Does Grolleau have an API?
No public API is recorded for Grolleau.