Seppeler Gruppe

What Seppeler Gruppe does

Seppeler Gruppe is a privately held, family-owned German industrial services group founded in 1919 in Rietberg, operating 20 production locations across Germany, Poland, and Switzerland with 1,001–5,000 employees. The company's core business is hot-dip galvanizing (Feuerverzinkung) for corrosion protection of steel components, supplemented by powder coating (Pulverbeschichtung), wet/liquid coating (Nassbeschichtung), custom container technology for water-hazardous liquids (Rietbergbehälter), and steel grating production (Gitterroste). Notable technical capabilities include double-dip galvanizing of components up to 23 metres in length or 4.80 metres in height at the Rietberg facility, tri-cation zinc phosphating with chrome-free nano-passivation at Gütersloh, a 24-hour turnaround service, and the proprietary DIG-VISA production tracking and quality documentation system. The Rietbergbehälter division holds WHG Fachbetrieb, AD 2000-Merkblatt HP 0, RAL GZ 998, DIN EN ISO 3834-2 welding, and EU Pressure Equipment Directive 2014/68/EU certifications, enabling manufacture of double-walled vacuum-leak-monitored tanks and pressure vessels.

The group operates as a B2B industrial services provider with enterprise field sales — each of the 20 locations maintains dedicated sales representatives and account managers, and customer acquisition is primarily direct via inquiry, phone, and location-based account management. Revenue is generated through per-piece/per-project transaction fees for galvanizing and coating services and through hardware sales of manufactured containers and steel gratings. Customers span 15+ verticals including industrial manufacturing and steel construction, construction trades, agriculture, wind energy, vehicle manufacturing, mechanical engineering, and public infrastructure. The company is governed by the Seppeler family, with Kai Seppeler serving as Chairman of the Supervisory Board and Nina Seppeler among the managing directors; no private equity or institutional investor involvement is evidenced. Distribution is supported by an in-house daily truck delivery service with just-in-time capability, swap-body logistics, and supply chain management functions that double as a customer retention mechanism across the regional network.

Name

Seppeler Gruppe

Legal name

Seppeler Holding und Verwaltungs GmbH & Co. KG

Website

https://seppeler.de

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Seppeler Gruppe is a family-owned German industrial services group operating 20 hot-dip galvanizing, coating, container, and steel grating production locations across Germany, Poland, and Switzerland, serving B2B industrial customers in construction, manufacturing, agriculture, and infrastructure with corrosion protection and surface finishing services since 1919.

Ownership category

akta.pro rank

Product category

Industrial Surface Treatment & Metal Finishing

NAICS

Fabricated Pipe and Pipe Fitting Manufacturing (332996)

SIC

Fabricated Structural Metal Products (3440), Miscellaneous Fabricated Metal Products (3490)

akta.pro primary industry

Protective Coatings, Galvanizing & Metal Finishing for Structural Steel (IMADACAK)

akta.pro secondary industry

Steel Grating, Catwalks & Safety Platforms (IMADACAI)

Keywords

• Hot-dip galvanizing
• Surface coating
• Corrosion protection
• Steel gratings
• Industrial containers

Headquarters

HQ city

Rietberg

HQ country

Germany

HQ region

Europe

Offices19 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hot-Dip Galvanizing Services: Hot-dip galvanizing of steel components for corrosion protection. Revenue is generated on a per-piece/per-project basis depending on component size, weight, and processing requirements. This is the largest revenue stream, with 20 production locations across three countries.
2. Surface Coating (Powder & Wet Coating): Powder coating and wet/liquid coating (Nassbeschichtung) services for steel, galvanized steel, and aluminium components. Revenue generated per batch/project based on surface area, coating type, and pretreatment requirements.
3. Rietbergbehälter Container Sales: Sale of custom-manufactured storage tanks, transport containers, and tank systems for water-hazardous liquids. Includes mobile tanks, stationary tanks, and pressure vessels. Revenue from product sales of physical manufactured goods.
4. Steel Gratings (Gitterroste): Production and sale of custom steel gratings manufactured at the Gütersloh location. Revenue from manufactured product sales.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels10 records

Core offering

Seppeler Gruppe provides industrial surface treatment and fabricated metal products across 20 production facilities in Germany, Poland, and Switzerland. Its core offering is hot-dip galvanizing (Feuerverzinkung) of steel components for corrosion protection, supplemented by powder coating, wet coating, custom steel gratings (Gitterroste), and a dedicated container technology line (Rietbergbehälter) producing tanks and storage systems for water-hazardous liquids.

Product overview

Seppeler Gruppe is an industrial manufacturing company offering a portfolio of four main product/service categories: (1) Feuerverzinkung (hot-dip galvanizing) for corrosion protection and surface finishing of steel components; (2) Beschichtung (coating) including both Pulverbeschichtung (powder coating) and Nassbeschichtung (wet coating) services; (3) Rietbergbehälter (container technology) including mobile and stationary tanks for storing water-hazardous liquids with products like Rietberg Smart Fuel (RSF); and (4) Gitterroste (steel gratings). The company operates 20 production facilities across Germany, Poland, and Switzerland, providing surface treatment, container solutions, and related logistics services to industrial customers in construction, agriculture, and manufacturing sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Rietbergbehälter / Rietberg Container: Container technology division specializing in tank systems, mobile and stationary tanks, and storage containers for hazardous liquids, marketed under the Seppeler Rietbergwerke subsidiary.
• Gitterroste

Products and services

• Hot-Dip Galvanizing (Feuerverzinkung) Hot-dip galvanizing of customer-supplied steel components for corrosion protection and surface finishing, available across 20 production locations in Germany, Poland, and Switzerland with options for double-dip processing, zinc finish enhancement, sandblasting, grinding, color coating, and galvanics, capable of handling components up to 23m length or 4.80m height.
• Powder Coating (Pulverbeschichtung) Powder coating service for steel, galvanized steel, and aluminum components using tri-cation zinc phosphating with chromate-free nano-passivation and automatic/manual spray booths, achieving corrosion resistance categories up to C5 and CX per DIN EN ISO 12944.
• Wet Coating (Nassbeschichtung) Wet/liquid coating application using airless spray technology for steel and galvanized steel components, capable of corrosion categories up to C5 and CX, with in-house fire protection coatings available.
• Rietbergbehälter Container Technology (Rietbergbehälter / Rietberg Containers) Manufacture of tank systems, fuel containers, and storage/transport containers for water-hazardous liquids, including mobile tanks, stationary tanks, double-walled vacuum leak-monitored tanks, AdBlue systems, and pressure vessels.
• Steel Gratings (Gitterroste) Custom-manufactured steel gratings available in various designs with high load-bearing capacity for industrial and construction applications.
• Rietberg Smart Fuel (RSF) Smart fuel management system for mobile tanks, providing tank management capabilities for construction sites, forestry, and agriculture applications.
• Mobile Tanks Universal mobile tank systems for safely refueling machines on construction sites, in forestry, and agriculture sectors.
• Stationary Tanks Stationary tank systems including stationary tank plants, storage tanks, and collection tanks designed to save time, costs, and trips to public petrol stations.
• Mobile Appliances Mobile solutions for automotive workshops, research institutes, and testing projects offering flexibility, quality, and safety in mobile dispensing.

Quantifiable outcome

• Components up to 23 metres long or 4.80 metres high can be hot-dip galvanized at the Rietberg location
• +3 more outcomes

Segments15 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• ZINQ Technologies GmbH: One of the largest hot-dip galvanizing service networks in Germany with multiple sites, directly competing with Seppeler on galvanized steel services for industrial and construction customers.
• Dehoust GmbH: German manufacturer of tanks and containers for water-hazardous liquids, heating oil, and AdBlue — directly competes with Seppeler's Rietbergbehälter division in regulated storage solutions.

Broad incumbents

• Voestalpine AG: Austrian steel and steel-processing group with galvanizing operations serving construction, automotive, and industrial customers across Europe — broader portfolio but overlapping surface-finishing activity.
• Salzgitter AG: German steel producer and processor with significant surface treatment capacity; competes for industrial galvanizing and coated steel business in the DACH region.
• Thyssenkrupp Steel Europe: One of Europe's largest steel producers with in-house galvanizing lines serving automotive, construction, and industrial customers — overlapping with Seppeler's downstream finishing activity.
• ArcelorMittal: Global steel giant with galvanized and coated steel products serving construction and industrial markets; competes with Seppeler at the upstream steel-coating interface.
• Aperam: European stainless and specialty steel producer with surface-finishing capabilities serving similar industrial customers; broader product portfolio than Seppeler but overlapping corrosion-protection theme.

Regional players

• Fontaine Groupe: Major French hot-dip galvanizing network with dozens of plants — comparable galvanizing service offering but geographically focused on France rather than Germany/Poland/Switzerland.
• Roth Werke GmbH: German producer of plastic and steel tanks for fuel, water, and process liquids; partial overlap with Seppeler's stationary tank and AdBlue container offerings, particularly in DACH markets.

Others

• Severstal: Russian steel producer with galvanized and coated steel products exported into European construction markets; not a direct service competitor but a steel-input and finished-product comparable shaping end-market dynamics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xxing.com/pages/seppeler-gruppe
• YouTubeyoutube.com/channel/UCxXwiGJdeT28dBsvEHBdmTg
• Facebookfacebook.com/seppeler
• LinkedInlinkedin.com/company/seppeler-gruppe
• Instagraminstagram.com/seppelergruppe

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries8 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 Seppeler Gruppe