Seuster

What Seuster does

Seuster KG is a privately held German manufacturer of industrial high-speed doors (Schnelllauftore), headquartered in Lüdenscheid, North Rhine-Westphalia, and tracing its origins to a craftsman workshop founded by Adolf Seuster in 1906. The company designs and produces a comprehensive portfolio spanning turbo-spiral doors, speed-sectional doors (including the RTS 4000 and Iso Speed Cold 100 series for deep-freeze applications), flexible high-speed doors, machine protection doors, and specialized solutions for cleanroom, food industry, supermarket, and ATEX explosive-atmosphere environments. Core technical differentiators include frequency converter controls that enable high opening/closing speeds with reduced mechanical wear, integrated safety light grids monitoring the closing plane up to 2.5 meters, PU rigid-foam-filled double-walled lamellas for thermal insulation (42mm, 67mm, and 100mm thickness variants), and optional DURATEC scratch-resistant glazing. All products are certified to the Torproduktnorm and carry ift Rosenheim and BVT certifications.

The business model is primarily hardware-driven: Seuster sells custom-engineered high-speed doors on a quote-based, project-by-project basis through direct sales from its Lüdenscheid headquarters and Rottenburg Southwest branch, supported by a network of certified service and installation partners. Recurring revenue comes from inspection and maintenance contracts (Prüf- und Wartungsvertrag) on the installed base. Approximately 180 employees operate from a 15,000 square meter production facility that also houses a training and assembly center used for partner and customer seminars. Customers are enterprise industrial buyers across cold-chain logistics, food retail, manufacturing, cleanroom, and material handling sectors in Germany and international markets, with worldwide distribution but no disclosed geographic revenue mix. The company is privately held as a Kommanditgesellschaft (limited partnership) under Managing Director Jörg Kastrup, with no external private equity or venture capital backing.

Name

Seuster

Legal name

SEUSTER KG

Website

https://seuster.de

Company type

Private

Founded year

1906

Operating status

Operating

Headcount range

101–250 employees

Short description

Seuster KG is a privately held German manufacturer founded in 1906 that designs, produces, and services industrial high-speed doors for cold-chain logistics, manufacturing, food retail, cleanroom, and material handling enterprises across Europe and international markets.

Ownership category

akta.pro rank

Product category

Industrial High-Speed Doors

NAICS

Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442), Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF)

akta.pro secondary industries

Architectural Hardware & Door Controls (Hinges, Locks, Closers, Panic Devices) (IMADAIAI), Garage Doors & Rolling Shutters (IMADAIAE)

Keywords

• Industrial high-speed doors
• Cold storage doors
• Machine protection doors
• Cleanroom industrial doors
• Flexible spiral doors

Headquarters

HQ city

Lüdenscheid

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial High-Speed Door Sales (Hardware): Seuster generates revenue primarily through the sale of industrial high-speed doors and their accessories. Products range from spiral doors and speed sectional doors to flexible PVC high-speed doors and specialized cold-storage, clean-room, and machine-protection doors. Accessories include door controls, ScanProtect, safety light grids, radar, and pendulum doors.
2. Service, Inspection and Maintenance Contracts: Seuster offers Prüf- und Wartungsvertrag (inspection and maintenance contracts) for their door products, providing recurring service revenue. Service and contact information is available through the website with regional support via a postal code finder.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

SEUSTER KG manufactures and supplies industrial high-speed doors (Schnelllauftore), including spiral, speed sectional, flexible, machine protection, and special-application doors (cold storage, cleanroom, food, ATEX, supermarket), along with door controls, safety systems (Scanprotect, safety light grid), and aftersales inspection and maintenance contracts. Customers are industrial enterprises in logistics, food/cold-chain, manufacturing, and retail.

Product overview

Seuster is a leading manufacturer of high-speed industrial doors (Schnelllauftore) based in Lüdenscheid, Germany, with over 100 years of history. The product portfolio comprises four main categories: (1) Turbo-Spiral and Speed Sectional Doors (Turbo-Spiraltore and Speed-Sektionaltore) including TLS 1000 TurboLux, RTS 4000 series variants (PU 42, PU 42 S, PU H 42, PU N 42, PU V 42), and Iso Speed Cold series for cold storage; (2) Flexible High-Speed Doors (Flexible Schnelllauftore) including ZIP 1000, A 4012 Logistic 2.0, S-series (S 915 SEL, S 2010 SEL, S 2020 SEL, S 2000 L, S 2030); (3) Special Application Doors for machine protection (A 4012 Protect, S 2010 MSL, S 900), cleanroom (S 1500 Clean), food industry (S 1500 Food L), cold storage (A 4012 Cold, S 2012 Iso L, Iso Speed Cold), supermarkets (Super MS 12), explosion protection (S 2020 ATEX), and energy savings (Energie-Spartor); and (4) Accessories including door controls, Scanprotect safety systems, safety light curtains, radar detectors, and swing doors. All products are certified according to strict quality standards and the door product norm (Torproduktnorm).

Differentiator

Problem solved

Functional benefit

Brands

• ZIP 1000: A flexible high-speed door for internal and external use, featuring innovative ZIP technology for rapid cycling and energy efficiency.
• TLS 1000 TurboLux
• RTS 4000 PU 42 / RTS 4000 PU 42 S
• Iso Speed Cold 100
• S 1500 Food L
• S 1500 Clean
• S 2020 ATEX
• A 4012 Protect / S 2010 MSL
• Energie-Spartor
• ScanProtect
• S 2020 SEL / S 2010 SEL
• S 900 Fördertechniktor
• S 2012 Iso L
• Super MS 12

Products and services

• TLS 1000 TurboLux (S) Turbo spiral door with very high opening speeds for demanding external and internal industrial applications, featuring fire-galvanized double-walled steel slats with PU foam filling for thermal insulation.
• RTS 4000 PU 42 Quick-running spiral door for diverse applications with PU rigid-foam-filled double-walled steel slats, Micrograin surface outside, Stucco embossing inside, and optional DURATEC glazing.
• RTS 4000 PU 42 S Speed sectional door variant of the RTS 4000 with PU foam insulation, suitable for N, H, and V mounting configurations.
• Iso Speed Cold 100 Deep-freeze high-speed sectional door with 100 mm thick fire-galvanized double-walled lamellas and PU rigid foam filling, opening up to 2.0 m/s and closing up to 0.5 m/s for deep-freeze and cold storage.
• ZIP 1000 New flexible high-speed door for internal and external use with innovative ZIP technology, designed for efficient traffic flow optimization and energy savings.
• A 4012 Logistic 2.0 Flexible PVC high-speed door designed for logistics applications with rapid opening/closing for high-traffic warehouse environments.
• S 915 SEL Flexible soft-edge high-speed door for internal use with soft bottom edge for improved safety and damage resistance.
• S 2010 SEL Large-format flexible high-speed door with soft-edge technology for high-traffic internal applications, designed to recover quickly after collisions.
• S 2020 SEL Large flexible high-speed door with soft-edge design for heavy-duty internal applications with high traffic frequency.
• S 2000 L Flexible high-speed door for large openings in logistics and industrial environments.
• S 2030 Heavy-duty flexible high-speed door for large industrial openings with high wind load resistance.
• A 4012 Protect Machine protection door that completely seals machinery during operation while allowing rapid access when needed, with safety sensors for precise position monitoring.
• S 2010 MSL Machine safety door with integrated safety sensors that report exact door position to the system controller, ensuring the machine only opens when at rest.
• S 900 Internal conveyor-technology door for automated material handling processes, integrable into existing SPS systems, with 0.8 m/s opening/closing up to 3.5 m height/width.
• Super MS 12 High-speed door designed for supermarket applications, meeting specific requirements for high-traffic retail environments.
• S 2012 Iso L Insulated internal door for separating warm zones from cooling/fresh zones, with effective reduction of drafts at temperatures up to +5°C.
• S 1500 Food L High-speed door specifically designed for food-industry applications with hygiene requirements.
• S 1500 Clean High-speed door for cleanroom environments with specific requirements for contamination control.
• S 2020 ATEX High-speed door for explosion-hazardous areas (ATEX zones), meeting safety requirements for potentially explosive atmospheres.
• A 4012 Cold Flexible high-speed door for cold-storage applications with thermal insulation properties.
• Energie-Spartor Energy-saving high-speed door system focused on optimizing insulation and rapid opening/closing to minimize thermal losses and reduce energy consumption.
• Prüf- und Wartungsvertrag (Inspection and Maintenance Contract) Recurring inspection and maintenance contract for Seuster high-speed doors, including Prüf- und Wartungsleistungen delivered by Seuster's service partner network.

Quantifiable outcome

• Reduced temperature loss in cold storage — every second of door opening time counts as energy loss, and high-speed doors minimize this by closing in seconds vs. conventional doors.
• +3 more outcomes

Named customers4 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

Feature5 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Efaflex: German manufacturer of high-speed industrial doors (Schnelllauftore) headquartered in Bruckberg, Germany. Efaflex is the closest direct competitor to Seuster, sharing product category, customer base (logistics, food, cold chain), and German Mittelstand positioning.
• Rite-Hite: US-based manufacturer of loading dock equipment, industrial doors, and in-plant solutions. Rite-Hite directly competes in high-speed fabric and rigid industrial doors and shares logistics and cold-chain end-market exposure.
• Rytec (Dover Corporation): US manufacturer of high-speed industrial doors (spiral, fabric, rubber, and rigid) sold globally through a dealer network. Rytec is a direct competitor in the same product category as Seuster, serving industrial, food, and cold-chain customers.
• Dynaco (Entrematic): European manufacturer of high-speed roll-up and folding doors, owned by Entrematic (now part of Cardo Group). Dynaco competes directly with Seuster in flexible high-speed doors across European logistics and industrial customers.

Broad incumbents

• Hörmann: Europe's largest manufacturer of industrial, commercial, and residential doors and operators. Hörmann is a broad incumbent that overlaps Seuster in industrial high-speed doors but offers a much wider product portfolio across garage doors, loading technology, and access control.
• ASSA ABLOY (Albany Door Systems): Global leader in access solutions whose Albany Door Systems division directly competes in high-speed industrial doors. ASSA ABLOY competes with Seuster on product but operates globally with vastly greater scale, service network, and R&D resources.

Regional players

• Campisa: Italian manufacturer of industrial sectional, high-speed, and dock doors. Campisa competes with Seuster in industrial doors but is primarily focused on the Italian and Southern European market, making it more a regional than direct head-to-head peer.
• Nani Verladetore: Austrian manufacturer of industrial and loading bay doors. Nani operates in a comparable product category to Seuster (industrial sectional and high-speed doors) but focuses primarily on the Austrian and CEE markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xxing.com/pages/seusterkg
• YouTubeyoutube.com/user/SeusterKG
• LinkedInlinkedin.com/company/12299374
• Facebookfacebook.com/profile.php

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 Seuster