What Dr. Hahn does

Dr. Hahn GmbH & Co. KG is a German specialty manufacturer of door hinges (Türbänder) headquartered in Mönchengladbach with production facilities in Mönchengladbach-Wickrath and Erkelenz. Founded in 1961 and privately held by the Hahn family, the company designs and produces hinges for plastic, metal, and wood-aluminum composite doors — including roller hinges (Rollenbänder), concealed VL-Band hinges, clamping Klemmband systems, and surface-mounted hinges in 2-piece and 3-piece configurations with RAL color options and load capacities up to 120-140 kg. Its product lines cover residential, commercial, and function-door applications, supported by digital tools such as the Hahn IDent App (camera-based hinge identification), an online color configurator, a band calculation program, and an article-number finder.

The company serves door and window manufacturers (Türenbauer) through a B2B sales-led model, with regional sales representatives handling direct customer relationships and a registered customer portal for image database, document downloads, and product information. Approximately 60-70% of revenue is generated outside Germany, with the firm operating 16 localized websites and exhibiting at major international trade fairs (BATIMAT, BAU China, VETECO, Eurasia Window, Polyclose). Dr. Hahn holds ISO 9001, ISO 14001, ISO 50001, and AEO-F (Authorized Economic Operator) certifications — the latter being a first for the hinge segment — and has been recognized as Innovation Leader 2025 by F.A.Z. Institut and as EcoVadis Silver 2024.

Revenue is generated through one-time hardware sales of physical hinge components, with pricing conducted via direct sales contact rather than public disclosure. No external private equity or venture capital ownership is recorded; the company appears to be founder/family-controlled, with Michael Hahn and Walter Hahn serving as managing directors (Geschäftsführer). Total headcount is reported in the 251-500 range, and the firm maintains an active digital presence across LinkedIn, Facebook, YouTube, Instagram, and Xing to support international B2B brand visibility.

Name

Dr. Hahn

Legal name

Dr. Hahn GmbH & Co. KG

Website

https://dr-hahn.eu

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

251–500 employees

Short description

Dr. Hahn GmbH & Co. KG is a privately held German manufacturer of door hinges (roller, concealed, clamping, and surface-mounted variants) for plastic, metal, and wood-aluminum doors, selling B2B to door and window manufacturers internationally with about 60-70% export share.

Ownership category

akta.pro rank

Product category

Architectural Door Hinge Manufacturing

NAICS

Metal Window and Door Manufacturing (332321)

SIC

Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Architectural Hardware & Door Controls (Hinges, Locks, Closers, Panic Devices) (IMADAIAI)

Keywords

• Door hinge manufacturing
• Architectural hardware
• Concealed door hinges
• Roller hinge systems
• Industrial door fittings

Headquarters

HQ city

Mönchengladbach

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Door Hinge Hardware Sales: Dr. Hahn generates revenue through manufacturing and selling door hinges (Scharniere/Türbänder) for plastic, metal, and composite doors. Products are sold in various configurations (2-piece and 3-piece), materials, and colors including RAL colors and Silver EV1. Revenue model is hardware-focused with one-time purchase of physical components.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Dr. Hahn GmbH & Co. KG manufactures and sells door hinges (Türbänder) for plastic, metal, and wood-aluminum composite doors. The product portfolio includes screw-on hinges, roller hinges (Rollenbänder), clamping hinges (Klemmbänder), and concealed hinges (VL-Band) in 2-piece and 3-piece configurations, multiple materials, and RAL color options. The company also provides digital tools including the Hahn IDent App, Online Color Configurator, and Band Calculation Program for door and window manufacturers.

Product overview

Dr. Hahn is a German manufacturer specializing in hinges (Türbänder/Bands) for doors made from plastic, metal, and material combinations. The product portfolio includes Aufschraubbänder (screw-on hinges), Rollenbänder (roller hinges), Klemmbänder (clamping hinges), and verdeckt liegende Türbänder (concealed hinges) in various technical configurations (2-piece, 3-piece) and many colors. For plastic doors, the KT series includes KT-N 6R and KT-V 6R for representative entrance doors, KT-EN/KT-EV for light doors, KT-SN/KT-SV for narrow profiles, and the KT-RN/KT-RV/KT-RKN/KT-RKV roller hinge families in various versions. For metal doors, the company offers Serie 60 AT universal hinges, Türband 4 AT series for function doors, Rollenband AT for aluminum doors, Klemmband AT/NG for clamping applications, and VL-Band concealed hinges (VL-Band ST, VL-Band 180, VL-Band AL, VL-Band AT, VL-Band G). For material combinations, Türband 4 AT Holz-Alu is available for wood-aluminum doors. Digital tools include Hahn IDent App for hinge identification, Online Color Configurator, Band Calculation Program, Article Number Finder, and Click & Select Product Catalog builder. With approximately 60% export share, Dr. Hahn serves customers internationally with products made in Germany.

Differentiator

Problem solved

Functional benefit

Products and services

• KT Series Hinges for Plastic Doors Comprehensive hinge family for plastic profile doors, including variants for representative entrance doors (load capacity up to 140 kg), light doors (up to 120 kg), narrow profile doors (up to 80 kg), and block profile doors. Used by door manufacturers to integrate hinges into plastic door systems for residential and commercial applications.
• KT Roller Hinges for Plastic Doors Roller hinge families (KT-RN, KT-RV, KT-RKN, KT-RKV) for plastic doors in 2-piece and 3-piece versions with 18-20mm roller diameters providing a discreet, aesthetic appearance. Features 6-direction adjustability, stainless steel bearing pins, and maintenance-free high-performance polymer bearings. KT-RN is designed for cylindrical hinge applications, KT-RV for fastening in the door rebate, and KT-Rollenband NL for block profile doors.
• Serie 60 AT Universal Hinges for Metal Doors Universal hinge family for metal doors available in 2-piece and 3-piece versions. Used by metal door manufacturers for standard door applications.
• Türband 4 AT Series for Function Doors Universal hinge series for function doors (Türband 4 AT) available with zero center distance dimension (Halbmaß Null), in roller optics design with 2-piece and 3-piece versions. Used for functional/commercial door applications.
• Rollenband AT for High-Quality Aluminum Doors Versatile hinge for high-quality aluminum doors with 20mm roller diameter providing discreet appearance. Features 6-direction adjustability with internal adjustment maintaining aesthetic contour. System-adapted bands developed in collaboration with profile manufacturers.
• Klemmband AT Clamping Hinges Clamping hinge (Klemmband AT) for aluminum profile doors with clamping groove, available in 2-piece and 3-piece versions. Quick assembly without drilling required. Two-piece version carries door wings up to 120 kg. Features 18mm roller diameter and 6-direction adjustability.
• Klemmband NG Clamping Hinges Clamping hinge family (Klemmband NG) for profiles with clamping groove, available in small 2-piece, large 2-piece (groß), and 3-piece versions for different door sizes and applications.
• VL-Band Concealed Hinge System Completely concealed hinge family (VL-Band) that disappears into the frame, available in variants for steel profile applications (ST), 180-degree opening angle (180), aluminum profile applications (AL), concealed lying for aluminum doors (AT), and concealed clamping for private and public buildings (G). First in the VL system to use clamping for secure positioning.
• AT-G Hinge for Lightweight Aluminum Doors Hinge designed specifically for lightweight aluminum doors. Used by aluminum door manufacturers for lighter-weight entry and interior door applications.
• Türband 4 AT Holz-Alu for Wood-Aluminum Composite Doors Universal hinge (Türband 4 AT Holz-Alu) for wood-aluminum composite doors in 3-piece version. Bridges compatibility for hybrid material doors used in modern architectural applications.
• Hahn IDent App Mobile application for intelligent hinge recognition via camera. Users photograph a hinge to access the appropriate adjustment instructions. Available for iOS and Android.
• Online Color Configurator Web-based tool allowing visualization of any Dr. Hahn product in desired RAL color. Supports customer color selection and customization decisions.
• Band Calculation Program Online program for optimal hinge selection based on profile combinations. Registration required for Dr. Hahn customers. Helps manufacturers select the correct hinge specification for their profile system.
• Article Number Finder Online tool to search and find article numbers for Dr. Hahn products, supporting customer ordering and product identification.
• Click & Select Product Catalog Personalized product catalog builder allowing customers to select and compile customized product catalogs from the Dr. Hahn product range.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Simonswerk GmbH: German manufacturer of premium door hinges (Türbänder) for wooden, metal, and profile doors. Closest direct competitor to Dr. Hahn, operating in the same architectural hinge category with overlapping international B2B customer base.
• KFV Karl Fliether GmbH & Co. KG: German manufacturer of multi-point locking systems, hinges, and security hardware for residential and commercial doors. Comparable German Mittelstand hardware peer supplying directly to door manufacturers and serving the same European B2B channel.
• Roto Frank Holding AG: German hardware manufacturer specializing in window and door hardware, including hinges and locking systems for uPVC, aluminum, and timber profiles. Direct competitor in B2B hinge supplies to door and window manufacturers, particularly in the German Mittelstand ecosystem.
• GEZE GmbH: German manufacturer of door, window, and safety technology, including hinges, closers, and concealed hinge systems. Comparable in technology scope and B2B door-manufacturer customer base, with a broader portfolio including automatic door systems.
• Mayer & Co Beschläge GmbH (MACO): Austrian family-owned hardware manufacturer producing hinges, locks, and locking systems for windows and doors. Comparable as a family-owned European Mittelstand peer in the architectural hardware segment supplying door and window manufacturers.
• SIEGENIA GROUP GmbH: German manufacturer of window and door hardware, including hinges, locking systems, and comfort systems for uPVC and aluminum profiles. Direct competitor serving the same European B2B door manufacturer customer base with overlapping product range.

Broad incumbents

• ASSA ABLOY AB: Swedish-listed global leader in door opening solutions, locks, and architectural hardware. Comparable as an adjacent incumbent supplying B2B door manufacturers and specifiers internationally, but at vastly larger scale and broader scope.
• Dormakaba Holding AG: Swiss-listed global leader in access and door solutions, including hinges, closers, locks, and automatic doors. Broader incumbent operating in the same architectural hardware category but at much greater scale and across access-control systems.
• Hettich Holding GmbH & Co. oHG: Large German furniture and architectural hardware manufacturer producing hinges, furniture fittings, and sliding door systems. Comparable as a German industrial hardware peer with B2B OEM sales, though significantly larger and broader in scope than Dr. Hahn.

Emerging players

• TECTUS by OTLAV S.p.A. Italian manufacturer of TECTUS concealed hinges for premium architectural and designer doors. Comparable as a niche player in the concealed hinge category where Dr. Hahn competes with its VL-Band system.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/DrHahnGmbHCoKG
• Facebookfacebook.com/Dr.Hahn.GmbH
• LinkedInde.linkedin.com/company/dr.hahn
• Instagraminstagram.com/_dr.hahn_

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Dr. Hahn