Manni Group

What Manni Group does

Manni Group S.p.A. is a privately held Italian industrial group founded in 1945 in Verona, operating across six countries with 1,200+ employees through five integrated business units: Manni Sipre (steel processing service center), Manni Inox (stainless steel processing), Manni Green Tech (light steel frame and off-site modular construction), Isopan (insulated metal sandwich panels), and Manni Energy (renewable energy engineering, O&M, and energy efficiency services). The group's core technology portfolio includes proprietary LEAF insulation chemistry for sandwich panels, the ADDMIRA facade family, the Fortelia sandwich panel developed with the University of Trieste and Politecnico di Milano, and the MEvision IoT platform currently managing 459 renewable energy plants. Manufacturing is conducted in Italy, Spain, Romania, Germany, and Mexico, with the Panels business unit consolidated in 2025 via a joint venture with Marcegaglia Steel (€433 million turnover, Manni holding 50%).

Name

Manni Group

Legal name

Manni Group S.p.A.

Website

https://mannigroup.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Manni Group is a privately held Italian industrial group operating across six countries with 1,200+ employees, providing steel processing, insulated sandwich panels, light steel frame construction systems, and renewable energy services to B2B customers in construction, logistics, energy, and industrial sectors.

Ownership category

akta.pro rank

Product category

Steel processing and insulated metal panels

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

General Industrial Machinery & Equipment (3560)

akta.pro primary industry

Cold Chain & Temperature-Controlled Storage Equipment (IMAHAKAJ)

akta.pro secondary industry

Direct Reduced Iron (DRI) & Hot Briquetted Iron (HBI) Production (IMAKABAC)

Keywords

• Steel processing services
• Insulated sandwich panels
• Light steel frame construction
• Renewable energy solutions
• Structural steel elements

Headquarters

HQ city

Verona

HQ country

Italy

HQ region

Europe

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Steel Products and Processing: Manni Sipre (pre-processed steel elements, components, structural systems) and Manni Inox (stainless steel products and processing) generate revenue through the sale of fabricated steel to construction companies, industrial manufacturers, and infrastructure projects.
2. Insulated Sandwich Panels: Isopan manufactures and sells insulated metal panels for walls and roofs for commercial, industrial, agricultural, cold chain, and data center applications. Revenue from panel sales through direct channels and international subsidiaries.
3. Renewable Energy and Energy Efficiency Services: Manni Energy designs, builds, and manages renewable energy plants and provides energy efficiency services including EPC, O&M, project development, and carbon management. Revenue from project development fees, energy management services, and ongoing O&M contracts.
4. Light Steel Frame Building Systems: Manni Green Tech provides off-site modular construction systems using cold-formed steel, including design, components, and installation support for residential, commercial, and industrial buildings.

Go-to-market motion1 record

Distribution channels6 records

Marketing channels8 records

Core offering

Manni Group is a diversified industrial conglomerate that processes and distributes pre-worked steel elements and stainless steel products, manufactures insulated metal sandwich panels for walls and roofs, provides light steel frame off-site modular construction systems, and delivers renewable energy engineering, O&M, and energy efficiency services. The Group operates through specialized divisions (Manni Sipre, Manni Inox, Isopan, Manni Green Tech, Manni Energy) serving industrial, commercial, cold-chain, data center, residential, and energy customers across Europe and Latin America.

Product overview

Manni Group is a diversified industrial group offering steel processing, insulated metal panels, light steel frame construction systems, and renewable energy solutions. The portfolio includes six main business units: Manni Sipre (steel service center), Manni Inox (stainless steel), Manni Green Tech (off-site construction), Isopan (insulating panels), and Manni Energy (renewable energy services). Key products span structural steel elements, sandwich panels (with LEAF technology), architectural facades (ADDMIRA family: ADDVision, ADDCross, ADDWind), modular modules (Capsule), and digital platforms (MEvision for plant monitoring). The Group operates across 6 countries with over 1,200 employees, serving construction, industrial, logistics, and energy sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Manni Sipre: Steel processing service center offering preworked steel elements, components, and structural systems for construction.
• Manni Inox
• Manni Green Tech
• Manni Energy
• Isopan
• Steelior
• Fortelia
• Mætrics
• ADDMIRA
• LEAF Technology
• MEVision

Products and services

• ADDMIRA Facade Family Product family dedicated to architectural facades by Isopan, offering customizable finishes, natural cladding options (gres, stone, cork), and ventilated facade solutions for commercial and industrial buildings.
• ADDVision Facade Solution Isopan facade product enabling customization through colors, finishes, metallic coatings, and custom serigraphies while combining excellent insulation in mineral wool or polyurethane. Targeted at commercial, industrial, and architectural envelope applications.
• ADDCross Natural Cladding Solution Isopan facade product offering natural cladding materials including gres, stone, and cork, positioned as a solution for retrofitting projects combining energy efficiency with architectural aesthetics.
• ADDWind Ventilated Facade System Isopan's ventilated facade system that increases insulating properties through improved facade ventilation performance for commercial, industrial, and renovation applications.
• MEvision Renewable Energy Monitoring Platform IoT monitoring and energy management platform operated by Manni Energy to coordinate technicians and ensure optimal plant performance across renewable energy installations. Currently manages 459 plants with operations center open 365 days per year, serving 267 O&M customers across photovoltaic, biogas, and mini wind assets.
• Capsule Modular Module Autonomous multifunctional modular structure in light steel frame that expands existing buildings with additional square meters for office, residential, retail, parking, and hospitality use. Features pre-assembled light steel load-bearing structure with variable coating systems.
• Fortelia Sandwich Panel New-generation cladding sandwich panel utilizing geometric profile to define new standards in thickness, load capacity, and structural span increase. Developed in cooperation with the University of Trieste and Politecnico di Milano for industrial, commercial, and architectural applications.
• Isocop PIR Roofing Panels

Quantifiable outcome

• Up to 20% reduction in thermal dispersion with LEAF technology at equal thickness
• +4 more outcomes

Named customers13 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

24 partnerships are on record, tiered flagship, core and minor.

• Marcegaglia SteelflagshipStrategic or Co-development Partner · 1 January 2025Joint venture between Marcegaglia Steel and Manni Group for the Panels business unit, operational in 2025. Celebrates 50th anniversary of Isopan. Represents a fundamental step in Manni Group's internationalization process and strengthens global market position. Turnover of the joint venture amounts to €433 million.
• Politecnico di MilanocoreStrategic or Co-development PartnerCollaboration on analysis and development of CFS systems and sandwich panels integrated with IoT technologies. Partnership with Energy Strategy for energy and sustainability studies.
• University of TriestecoreStrategic or Co-development PartnerAcademic partnership for the development of Fortelia sandwich panel, combining university excellence with Isopan's R&D department.
• University of PaduacoreStrategic or Co-development PartnerChemical-physical characterization of innovative materials research collaboration.
• University of VeronacoreStrategic or Co-development PartnerResearch on photovoltaic solutions integrated in buildings.
• Saint-GobaincoreStrategic or Co-development PartnerManni Green Tech partner with Saint-Gobain Italia for InnovaLight X complete certified construction system combining Light Steel Frame with Saint-Gobain dry technologies.
• Science Based Targets initiative (SBTi)coreOthersManni Group committed to SBTi for emissions reduction targets. Science Based Targets initiative approved Manni Group's target to reduce emissions by 40% by 2028.
• YAC (Young Architects Competition)coreGTM or Marketing PartnerCo-organization of annual Manni Group Design Award international architectural competition, attracting entries from 75+ countries.
• EcoVadiscoreOthersManni Energy rated by EcoVadis for sustainability, achieving Gold Medal in 2024 and 2025.
• Schneider ElectriccoreTechnology or IntegrationManni Energy became EcoXpert Partner of Schneider Electric, integrating energy management and automation solutions.
• BayWa r.e.minorStrategic or Co-development PartnerPartnership for renewable energy projects, including photovoltaic installation for Supermercati Tosano.
• Cerved Rating AgencycoreOthersESG Rating assessment by Cerved Rating Agency, achieving Level A (High) with score of 74.4 in 2025, up from 65.4 in 2021.
• ANIE RinnovabiliminorOthersManni Energy member of ANIE Rinnovabili association. Franco Citron, VP of Manni Energy, reconfirmed as Vice President of ANIE Rinnovabili for 2024-2026.
• ConfindustriacoreOthersManni Group member of Confindustria, the main Italian industrial association.
• UN Global CompactcoreOthersManni Group signatory to UN Global Compact, committing to its principles on human rights, labor, environment, and anti-corruption.
• Living Future EuropeminorOthersEnrico Frizzera, CEO of Manni Group, entered the Steering Committee of Living Future Europe for mandate 2026-2028.
• ADI (Associazione per il Disegno Industriale)coreOthersManni Group entered the board of ADI VTAA. Master OTA included in ADI Design Index 2025.
• Rockwool Core SolutionscoreStrategic or Co-development PartnerIsopan collaborated with Rockwool to develop LC Spanrock Low Carbon rock wool, reducing Global Warming Potential in production by up to 45% compared to conventional processes. First applied in M5 Manni Sipre facility.
• ArcelorMittal (XCarb)coreTechnology or IntegrationManni Sipre uses XCarb steel from ArcelorMittal with over 75% scrap content and production with EAF powered by 100% renewable energy for low-carbon construction.
• AFV Beltrame Group (Chalibria)coreTechnology or IntegrationManni Sipre uses Chalibria carbon neutral certified steel (PAS2060/ISO 14068-1) for low-carbon buildings.
• Gruppo Arvedi (ARVZERO)coreTechnology or IntegrationManni Sipre uses ARVZERO carbon-neutral steel from Gruppo Arvedi, produced via electric furnace with over 90% reusable scrap and ESP technology.
• EURAC ResearchminorStrategic or Co-development PartnerManni Group collaborates with EURAC Research as part of its ecosystem of associations and institutions.
• Fondazione Promozione AcciaiominorOthersManni Green Tech collaborates with Fondazione Promozione Acciaio for steel construction promotion.
• TecnogestcoreStrategic or Co-development PartnerManni Energy acquired majority stake in Tecnogest, expanding its complete offering of Building Solutions. Tecnogest subsequently became BlueBox Agency.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Rockwool: Global leader in stone wool insulation; partner with Isopan for the LC Spanrock low-carbon panel core. Comparable in insulation products integrated into insulated sandwich panels and the broader building envelope.
• Arvedi Group: Italian steel producer and supplier of ARVZERO carbon-neutral steel to Manni Sipre. Comparable in steel manufacturing and processing, with direct partnership overlap on low-carbon steel offerings.
• Kingspan Group: Global leader in insulated building envelopes and high-performance panels. Directly competes with Isopan in the same insulated metal panel product category for walls and roofs in commercial, industrial, cold chain, and data center applications.
• Marcegaglia: Italy-based global steel processing and products group; 50/50 JV partner with Manni in the Panels BU. Highly comparable in steel processing scale, panel manufacturing, and integrated steel-to-construction offering.

Broad incumbents

• Tata Steel: One of the world's largest steel producers with downstream processing and construction products. Comparable in pre-processed steel elements and structural steel offerings for industrial and commercial construction.
• ArcelorMittal: World's largest steel producer and Manni's primary low-carbon steel supplier (XCarb). Comparable at the steel production and processing level, though at vastly larger scale and as a supplier rather than pure competitor.
• Saint-Gobain: Global leader in building materials and insulation; partner with Manni Green Tech on the InnovaLight X construction system. Comparable in insulation, building envelope systems, and sustainable construction offerings.
• Voestalpine: Austrian steel and technology group with significant downstream construction products business. Comparable in pre-processed steel, structural elements, and construction-focused steel applications.
• Nucor: North America's largest steel producer with significant downstream steel processing operations. Comparable in steel service center / pre-processed steel elements model.
• SSAB: Nordic steel manufacturer focused on high-strength and sustainable steel products. Comparable in steel processing and in decarbonized steel offerings relevant to Manni's low-carbon supply chain.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

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• Facebookfacebook.com/ManniGroupSpA
• LinkedInlinkedin.com/company/manni-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries14 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 Manni Group