Manni Group
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.
- Company typePrivate
- Founded1945
- HeadquartersVerona, Italy
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
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%).
Manni Group firmographics
Firmographics- 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
Manni Group industry classification
Industry- 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
Where Manni Group is headquartered
LocationHeadquarters
- HQ city
- Verona
- HQ country
- Italy
- HQ region
- Europe
Offices11 records
Markets served
Manni Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- 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.
- 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.
- 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.
- 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
Manni Group product offering
Product offeringCore 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
Companies that use Manni Group
Customer profileNamed customers13 records
Segments5 records
Ideal customer profiles5 records
Manni Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Manni Group partnerships and signals
Strategic signalPartnerships
24 partnerships are on record, tiered flagship, core and minor.
- Marcegaglia SteelflagshipJoint 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 MilanocoreCollaboration 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 TriestecoreAcademic partnership for the development of Fortelia sandwich panel, combining university excellence with Isopan's R&D department.
- University of PaduacoreChemical-physical characterization of innovative materials research collaboration.
- University of VeronacoreResearch on photovoltaic solutions integrated in buildings.
- Saint-GobaincoreManni 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)coreManni 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)coreCo-organization of annual Manni Group Design Award international architectural competition, attracting entries from 75+ countries.
- EcoVadiscoreManni Energy rated by EcoVadis for sustainability, achieving Gold Medal in 2024 and 2025.
- Schneider ElectriccoreManni Energy became EcoXpert Partner of Schneider Electric, integrating energy management and automation solutions.
- BayWa r.e.minorPartnership for renewable energy projects, including photovoltaic installation for Supermercati Tosano.
- Cerved Rating AgencycoreESG Rating assessment by Cerved Rating Agency, achieving Level A (High) with score of 74.4 in 2025, up from 65.4 in 2021.
- ANIE RinnovabiliminorManni Energy member of ANIE Rinnovabili association. Franco Citron, VP of Manni Energy, reconfirmed as Vice President of ANIE Rinnovabili for 2024-2026.
- ConfindustriacoreManni Group member of Confindustria, the main Italian industrial association.
- UN Global CompactcoreManni Group signatory to UN Global Compact, committing to its principles on human rights, labor, environment, and anti-corruption.
- Living Future EuropeminorEnrico Frizzera, CEO of Manni Group, entered the Steering Committee of Living Future Europe for mandate 2026-2028.
- ADI (Associazione per il Disegno Industriale)coreManni Group entered the board of ADI VTAA. Master OTA included in ADI Design Index 2025.
- Rockwool Core SolutionscoreIsopan 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)coreManni 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)coreManni Sipre uses Chalibria carbon neutral certified steel (PAS2060/ISO 14068-1) for low-carbon buildings.
- Gruppo Arvedi (ARVZERO)coreManni Sipre uses ARVZERO carbon-neutral steel from Gruppo Arvedi, produced via electric furnace with over 90% reusable scrap and ESP technology.
- EURAC ResearchminorManni Group collaborates with EURAC Research as part of its ecosystem of associations and institutions.
- Fondazione Promozione AcciaiominorManni Green Tech collaborates with Fondazione Promozione Acciaio for steel construction promotion.
- TecnogestcoreManni 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
Manni Group competitors and assessment
Company assessmentDirect 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
Manni Group social profiles
Digital presenceManni Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Manni Group leadership team
Management profileNumber of profiles
Profiles2 records
Manni Group subsidiaries and ownership
Company hierarchySubsidiaries14 records
Manni Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Manni Group 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 Manni Group
What does Manni Group do?
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.
Is Manni Group a public or private company?
Manni Group is a private company. It is classified as family owned and is currently operating.
When was Manni Group founded?
Manni Group was founded in 1945. It employs 501 to 1,000 people.
Where is Manni Group based?
Manni Group is headquartered in Verona, Italy, in the Europe region.
How does Manni Group make money?
Four revenue lines are on record. Steel Products and Processing is the primary driver. The others are insulated Sandwich Panels, renewable Energy and Energy Efficiency Services and light Steel Frame Building Systems.
Who are Manni Group's main competitors?
Direct peers on record are Rockwool, Arvedi Group, Kingspan Group and Marcegaglia. Broad incumbents are Tata Steel, ArcelorMittal, Saint-Gobain, Voestalpine, Nucor and SSAB.
Does Manni Group have an API?
No public API is recorded for Manni Group.
What industry is Manni Group in?
Manni Group's product category is Steel processing and insulated metal panels. Its primary akta.pro industry code is IMAHAKAJ, Cold Chain & Temperature-Controlled Storage Equipment, with a secondary code of IMAKABAC, Direct Reduced Iron (DRI) & Hot Briquetted Iron (HBI) Production. Its NAICS code is 333415 and its SIC code is 3560.