Hermi

What Hermi does

Hermi is a Slovenian family-owned manufacturer specializing in four integrated product programs: lightning protection equipment (strelovodna oprema), surge protection devices (prenapetostna zaščita), cable trays and ladders (kabelske police in lestve), and mounting systems for solar photovoltaic installations (konstrukcijski sistemi za sončne elektrarne). Founded in 1985 by Herman Rauter as a craft business and formally incorporated as HERMI, d.o.o. in 2002, the company operates from a 6,000 m² automated production facility in Celje, supported by wholly-owned subsidiaries in Croatia, Bosnia and Herzegovina, Serbia, and Austria. With approximately 150 employees and annual production exceeding 18.2 million pieces across more than 8,000 product variants made from stainless steel, aluminum, and hot-dip galvanized steel, Hermi serves industrial and commercial building owners, electrical installers, project planners, and solar energy developers across more than 50 markets globally, with roughly 60% of revenue generated internationally.

Name

Hermi

Legal name

Hermi, d.o.o.

Website

https://hermi.si

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

101–250 employees

Short description

Hermi is a family-owned Slovenian manufacturer of certified lightning protection, surge protection, cable management, and solar mounting systems, serving installers, industrial customers, and solar developers across 50+ markets through owned subsidiaries and distributor networks.

Ownership category

akta.pro rank

Product category

Lightning Protection and Electrical Safety Equipment

NAICS

Electrical Equipment Manufacturing (33531), Wiring Device Manufacturing (33593), Electrical Equipment Manufacturing (3353)

SIC

Electrical Industrial Apparatus (3620), Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electric Lighting & Wiring Equipment (3640), Electrical Work (1731)

akta.pro primary industry

Cable Management & Support Systems (Trays/Ladders/Strut) (IMADAMAK)

akta.pro secondary industries

Solar Mounting, Racking, Trackers & Structural BOS Manufacturing (EUAMAHAC), Cables, Connectors & Electrical BOS Components Manufacturing (MV/HV, Subsea, Harnesses) (EUAMAHAK), Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

Keywords

• Lightning protection systems
• Surge protection devices
• Cable management systems
• Solar mounting structures
• Earthing and grounding equipment

Headquarters

HQ city

Celje

HQ country

Slovenia

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware product sales: Sale of proprietary manufactured products across four product lines: lightning protection equipment, surge protection devices, cable trays and ladders, and solar mounting systems. Products are sold through direct sales, branches, and distributor networks. Products are manufactured in-house with annual production exceeding 18.2 million pieces across more than 8,000 product variants.
2. Installation services: Hermi performs installation services domestically in Slovenia. Services include lightning protection installation, cable routing, and related assembly work, providing an integrated solution to domestic customers.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

Hermi designs, manufactures, and distributes certified lightning protection equipment, surge protection devices, cable trays and ladders, and mounting systems for solar photovoltaic installations, producing over 8,000 product variants in stainless steel, aluminum, and hot-dip galvanized steel at its Celje facility. The company also provides proprietary planning software (SHIELD, CableTray Calculator, Risk Manager) and installation services in Slovenia, selling primarily to electrical installers, project planners, and industrial/commercial building operators through direct branch offices and a distributor network spanning more than 50 markets.

Product overview

Hermi offers four comprehensive product programs under a unified brand: (1) Strelovodna oprema (Lightning Protection Equipment) for protecting buildings from direct lightning strikes, including conductors, holders, grounding, and capture systems; (2) Prenapetostna zaščita (Surge Protection Devices) for protecting electrical and data installations from overvoltages up to 1000V, including SPD devices for power, photovoltaic, and IT systems; (3) Kabelske police in lestve (Cable Trays and Ladders) for durable cable routing with Fast Klick® quick-connect technology, mesh trays, cable ladders, and fire-resistant E90 series; and (4) Konstrukcijski sistemi za sončne elektrarne (Construction Systems for Solar Power Plants) for mounting solar panels including SOL-N carriers, SOL-P profiles, SOL-S clamps, and Multi Flat systems. These programs are complemented by software planning tools (SHIELD for AutoCAD-based lightning design, CableTray Calculator, and Risk Manager) and installation services. The product portfolio includes over 8,000 products manufactured at company facilities, with 115,000+ completed projects worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Strelovodna oprema (Lightning Protection Equipment) Complete external lightning protection system including ridge holders, roof holders, wall holders, vertical protections, contact elements, conductors, grounding probes, potential equalization, insulated capture systems, and capture rods. Protects buildings from direct lightning strikes up to 200,000 A. Sold to installers, project planners, and industrial/commercial building operators.
• Prenapetostna zaščita (Surge Protection Devices) Surge protection for electrical installations up to 1000V and for data lines, including SPD devices for power systems, photovoltaic systems, IT systems, and potential equalization equipment. Protects against overvoltages from lightning and switching operations. Targets installers, EPC contractors, and facility operators across energy, industrial, healthcare, and renewable sectors.
• Kabelske police in lestve (Cable Trays and Ladders) Cable management systems manufactured from stainless steel, aluminum, and hot-dip galvanized steel. Includes KPK Fast Klick® (patented screwless), KP perforated trays, WKP walkable trays, KPM mesh trays, KL cable ladders, PKP/PKL connection elements, NKP support elements, and E90 fire-resistant series. Targets electrical installers, EPC contractors, and industrial facilities including fire-rated environments.
• Konstrukcijski sistemi za sončne elektrarne (Solar Mounting Systems) Mounting systems for solar panel installations on flat and pitched roofs, ground-mounted and freestanding setups. Includes SOL-N module carriers, SOL-P structural profiles, SOL-S clamps (including SOL-S21 for wind-intensive areas), and the Multi Flat system. Designed for fast, easy, and efficient installation across residential, commercial, and utility-scale PV projects.
• Program SHIELD (CAD planning software) Proprietary computer-aided design program for lightning protection system planning and control. Integrates with AutoCAD 2012+ to calculate protected zones and automatically generate material lists (BOM) from 3D building models. Free to access from the Hermi website for project planners and installers.
• Hermi CableTray Calculator Proprietary web/application tool for planning and calculating cable routes based on cable length and anticipated cable load. Free to use, supports installers and project designers in sizing Hermi cable trays and ladders.
• Risk Manager (lightning protection risk assessment application) Proprietary application for risk assessment per SIST EN 62305-2 standard. Calculates risk based on building dimensions, location, object properties, purpose, and connected conductors, enabling optimization of required lightning protection through parameter adjustment. Free to use for project planners.
• Lightning Protection and Cable System Installation Services Domestic professional installation services in Slovenia for lightning protection, cable routing, and solar system mounting. Provides end-to-end delivery including project installation, sold to building owners, general contractors, and EPCs.

Quantifiable outcome

• Over 200,000 buildings protected with Hermi products worldwide
• +4 more outcomes

Named customers26 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Two partnerships are on record, tiered minor.

• KAMGRAD d.o.o.minorImplementation/ SI/ Consulting PartnerCroatian construction company KAMGRAD d.o.o. was the general contractor for the Lidl Križ logistics center and implemented the complete lightning protection system using Hermi components.
• Segment d.o.o. TrebinjeminorImplementation/ SI/ Consulting PartnerLocal installation company Segment d.o.o. from Trebinje performed the lightning protection installation using Hermi components at the Regional Hospital Trebinje (BiH) project.

Scale indicators14 records

Recent moves16 records

Expansion highlights6 records

Direct peers

• Schletter Group: Solar mounting systems manufacturer with global footprint. Competes with Hermi's solar mounting line, especially in commercial and utility-scale PV projects across Europe.
• OBO Bettermann: German manufacturer of cable management systems, lightning/surge protection, and fire-resistant cable trays. Directly competes with Hermi in cable trays/ladders and lightning protection across DACH and Central Europe.
• DEHN: German family-owned specialist in lightning protection, surge protection, and safety equipment. Closest comparable to Hermi's core lightning/surge protection program, with similar focus on certified IEC 62305-compliant systems and a global distribution footprint.
• K2 Systems: German specialist in solar mounting systems for pitched, flat, and ground-mounted PV. Comparable to Hermi's solar PV mounting program and a primary competitor as Hermi expands in DACH.
• nVent (ERICO): Global provider of electrical connection and protection solutions including ERICO lightning protection and cable management. Direct competitor in the lightning protection and grounding category, with broader international reach.

Broad incumbents

• Siemens: Diversified industrial conglomerate with electrical infrastructure, surge protection, and smart building products. Competes indirectly through project-level specifications and large EPC relationships.
• Schneider Electric: Global electrical equipment, surge protection, and solar solutions provider. Overlaps with Hermi on surge protection and solar BOS, often as a bundled offering from a much larger incumbent.
• Legrand: Global specialist in electrical and digital building infrastructure, including cable management and surge protection. Adjacent competitor particularly in commercial building electrification.
• ABB: Multinational offering surge protection devices, switchgear, and solar BOS solutions within a much larger electrical equipment portfolio. Competes with Hermi on SPD and integrated solutions for large projects.
• Eaton: Power management company with surge protection, switchgear, and solar electrical balance-of-system offerings. Comparable as a broad incumbent supplier of electrical protection and BOS components.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/hermisolutions

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 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 Hermi