What Günther Spelsberg does

Günther Spelsberg GmbH + Co. KG is a family-owned German manufacturer founded in 1904 and headquartered in Schalksmühle, Germany, specializing in electrical installation and enclosure technology. The company operates with 101–250 employees and offers more than 5,000 series products across junction boxes and cabinets (Abzweigdosen/Abzweigkästen), small distribution enclosures (Kleinverteiler — including the AK 24 and AK 36 series), socket distributors, outdoor and industrial empty enclosures, meter housings, terminal enclosures, fire-resistant junction boxes, concrete and cavity-wall installation systems, and — under the BCS, GEOS, and wallbox lines — e-bike and electric-vehicle charging stations. A distinguishing capability is the company's ownership of in-house VDE- and UL-certified testing laboratories, which it uses to self-certify products for the dominant European and North American electrical safety regimes.

Spelsberg's product portfolio is organized under five sub-brands: Abox (junction boxes and installation housings), GEOS (enclosures/housings, including as the base for e-bike charging stations), BCS (e-bike charging stations), GTi-ISO (switchgear), and AK (mini distribution boards). On top of its product catalog, the company operates a services stack covering CNC machining, custom digital printing (EasyPrint), prototype and 3D product development, customer-specific product engineering, assembly, special colors and materials, custom packaging, product samples, and the VDE/UL testing laboratory itself — a vertically integrated capability set that supports both standard catalog sales and project-based custom solutions.

Commercially, Spelsberg serves two primary horizontal segments — Electrical Trade (Elektrohandwerk) and Industry (Industrie) — and reaches customers through a network of electrical wholesalers (Großhändler) and an ELS certified installation partner network in Germany, supplemented by country-specific distributors and localized websites across Denmark, Poland, the UK, the Netherlands, Belgium, France, the Czech Republic, Spain, Sweden, Norway, and Finland. Pricing is quote-based and not publicly disclosed; orders carry a €100 net minimum order value, a €30 processing fee for smaller orders, and free delivery within Germany for orders ≥€1,500 net. The company is independently owned by the founding family, with no external investors, no public listing, and no disclosed M&A or funding activity in the available data.

Name

Günther Spelsberg

Legal name

Günther Spelsberg GmbH + Co. KG

Website

https://spelsberg.de

Company type

Private

Founded year

1904

Operating status

Operating

Headcount range

101–250 employees

Short description

Günther Spelsberg is a family-owned German manufacturer founded in 1904, producing more than 5,000 electrical installation and enclosure products — including junction boxes, distribution enclosures, industrial housings, and e-bike/EV charging stations — for the electrical trade and industrial customers across Germany and 11+ European countries.

Ownership category

akta.pro rank

Product category

Electrical Enclosures and Installation Components

NAICS

Electrical Equipment Manufacturing (33531), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Switchgear & Switchboard Apparatus (3613), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF)

Keywords

• Electrical enclosures
• Junction boxes
• Industrial enclosures
• E-mobility charging
• Electrical installation

Headquarters

HQ city

Schalksmühle

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Pricing tiers

Distribution channels4 records

Marketing channels5 records

Core offering

Günther Spelsberg manufactures electrical installation and enclosure technology products, including junction boxes, small distribution enclosures, industrial empty enclosures, meter housings, fire-resistant junction boxes, wallboxes, and e-bike charging stations. The company offers over 5,000 series products complemented by custom engineering services such as CNC machining, prototyping, custom printing (EasyPrint), assembly, and an in-house VDE- and UL-certified testing laboratory. Primary customers are electrical trade professionals and industrial buyers requiring certified, durable housing solutions for electrical and e-mobility applications.

Product overview

Günther Spelsberg is a family-owned manufacturer and international leader in electrical installation and housing technology, offering over 5,000 products across multiple product lines. The portfolio centers on junction boxes (Abzweigdosen), small distribution enclosures (Kleinverteiler) including the AK 24 and AK 36 series, socket distributors, industrial empty enclosures, meter housings, terminal enclosures, fire-resistant junction boxes, concrete installation systems, e-bike charging stations (BCS Pure and TG BCS 3), and wallboxes. The product range spans from standard installation enclosures to advanced e-mobility solutions with integrated charging systems for Bosch and Shimano e-bikes. Spelsberg also provides comprehensive services including CNC machining, custom printing (EasyPrint), prototype development, VDE/UL certified testing, custom colors and materials, assembly services, and product samples, enabling customer-specific solutions built within their own manufacturing facilities.

Differentiator

Problem solved

Functional benefit

Brands

• Abox: Product line of junction boxes and installation housings
• BCS
• GEOS
• GTi-ISO
• AK

Products and services

• Junction Boxes and Junction Cabinets (Abzweigdosen & Abzweigkästen) Junction boxes and junction cabinets for quick electrical wiring connections in residential and commercial installations. Targeted at electrical trade professionals and installers.
• Small Distribution Enclosures (Kleinverteiler) — AK 24 / AK 36 Series Small distribution enclosures for standard indoor installations, including the AK 24 and AK 36 mini distribution board series, targeted at electrical trade customers.
• Socket Distribution Enclosures (Steckdosenverteiler) Socket distribution enclosures for organized power distribution in various settings.
• Outdoor Enclosures (Outdoorgehäuse) Outdoor enclosures designed to protect electrical components from weather and environmental conditions.
• Industrial Empty Enclosures (Industrieleergehäuse) Empty industrial enclosures for custom electrical installations and equipment housing in industrial environments, targeted at industrial OEMs and switchgear builders.
• Meter Housings (Zählergehäuse) Meter housings for electricity meters and related metering equipment.
• GTi-ISO Switchgear Systems (GTi-ISO-Schaltanlagen) GTi-ISO switchgear systems for industrial control applications.
• Fuse and Switch Enclosures AKi (Sicherungs- und Schaltergehäuse AKi) Fuse and switch enclosures of the AKi series for protective device installations.
• Terminal Enclosure Housings (Reihenklemmengehäuse) Terminal enclosure housings for DIN rail mounted terminal blocks.
• Fire-Resistant Junction Boxes (Brandschutz Verbindungsdosen) Fire-resistant junction boxes designed to maintain electrical function during fires.
• Concrete Installation Systems (Betoninstallationssysteme) Concrete installation systems for embedding electrical components in concrete structures.
• Cavity Wall Boxes (Hohlwanddosen) Cavity wall boxes for electrical installations in hollow walls.
• Duct Boxes (Kanaldosen) Duct boxes for electrical installations in cable duct systems.
• BCS Pure E-Bike Charging Station Advanced e-bike charging station with integrated Bosch and Shimano connector systems, 4 charging points, status display, and GEOS housing, enabling charging of e-bikes, pedelecs, and light electric vehicles without carrying chargers. Targeted at municipalities, commercial properties, and hospitality operators.
• TG BCS 3 E-Bike Charging Station Entry-level e-bike charging station with 3 SCHUKO sockets, robust polycarbonate housing, sabotage-proof special lid screws, and ventilation plug to prevent condensation.
• Wallbox EV Charging Solutions High-end wallbox solutions for electric vehicle charging at residential and commercial properties.
• CNC Machining Service (CNC Bearbeitung) CNC machining services for custom manufacturing and modification of enclosures. Targeted at industrial customers requiring tailored solutions.
• EasyPrint Custom Printing Service (Bedruckung) Custom digital printing service for marking enclosures with logos, text, or images.
• Assembly Service (Montageservice) Assembly services for pre-configured products and systems.
• Prototype Development Service (Prototypenbau) Prototype development services including 3D product development for custom enclosure solutions.
• Custom Product Development (Kundenindividuelle Produktentwicklung) Custom product development services for customer-specific enclosure solutions.
• VDE/UL Certified Testing Laboratory Service (Prüflabor) In-house VDE- and UL-certified testing laboratory service for product testing and certification.
• Special Colors and Materials Service (Sonderfarben + Werkstoffe) Special colors and materials services for customized enclosure appearance and properties.
• Custom Packaging Service (Verpackung) Custom packaging services for products.
• Product Sample Service (Muster) Product sample service for testing and evaluation before bulk ordering.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Schneider Electric: Global broad-line electrical equipment, distribution, and industrial automation company. Overlaps with Spelsberg in distribution boards and enclosures but operates at vastly larger scale across energy management, software, and industrial controls.
• Legrand: French global specialist in electrical and digital building infrastructures, including wiring devices, distribution boards, and enclosures. Comparable to Spelsberg in electrical installation products and European commercial-building focus.
• Eaton: US-headquartered power management company with switchgear, enclosures, and electrical distribution products serving industrial and commercial customers. Comparable to Spelsberg in distribution and industrial enclosure categories, though at significantly larger scale.
• ABB (Electrification business): Swiss-Swedish multinational offering switchgear, distribution boards, enclosures, and e-mobility charging solutions. Overlaps with Spelsberg's GTi-ISO switchgear, distribution enclosures, and wallbox product lines as part of a much wider portfolio.

Direct peers

• Weidmüller: German family-owned specialist in industrial connectivity, terminal blocks, and electronics housings. Comparable to Spelsberg in terminal enclosures and industrial enclosure product lines serving similar industrial customers.
• Rittal (Friedhelm Loh Group): German-owned global leader in industrial enclosures, power distribution, and climate control. Directly competes with Spelsberg in industrial enclosures and small distribution boards, though Rittal is much larger and serves a broader international industrial customer base.
• Hensel Electric: German manufacturer of electrical installation enclosures, junction boxes, and distribution boards serving electricians and industrial customers. Closest direct competitor to Spelsberg with overlapping product lines (Abzweigdosen, Kleinverteiler) and similar German Mittelstand positioning.
• Kaiser Group: German manufacturer of electrical installation systems including cavity wall boxes, junction boxes, and concrete installation systems. Highly comparable product overlap with Spelsberg's Hohlwanddosen, Betoninstallationssysteme, and Abzweigdosen lines.
• Phoenix Contact: German manufacturer of industrial electrical connection, automation, and enclosure technology. Overlaps with Spelsberg in industrial enclosures and terminal housings (Reihenklemmengehäuse) with comparable mid-sized German Mittelstand heritage.
• Hager Group: Family-owned European electrical infrastructure specialist offering distribution boards, enclosures, and wiring accessories for residential and commercial buildings. Directly comparable to Spelsberg's Kleinverteiler, AK series, and electrical trade offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/spelsberg
• Facebookfacebook.com/spelsberg.de
• LinkedInlinkedin.com/company/els-spelsberg

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Günther Spelsberg