What SIMONSWERK does

SIMONSWERK GmbH is a German manufacturer of premium door hinge systems, founded in 1889 and headquartered in Rheda-Wiedenbrück, Germany. The company operates under the SIMONSWERK GROUP umbrella alongside acquired brands ANSELMI and Colcom Group, serving commercial, residential, hospitality, cultural, healthcare, and institutional construction markets globally through a network spanning 60+ countries. Its portfolio comprises core product families including TECTUS (adjustable concealed door hinges with load capacities from 60kg to 300kg), VARIANT (heavy-duty commercial hinges up to 300kg), ANSELMI (residential concealed hinges), BILOBA (self-closing glass door hinges with hydraulic damping), EVO (self-closing knuckle hinges), and VERTO (self-closing pivot hinges), plus entrance door variants BAKA (timber), SIKU (PVCu), and ALPRO (aluminium). TECTUS Energy extends the product line into permanent power transfer through concealed hinges for electronic access control. Technical differentiators include internationally patented hydraulic damping (BILOBA, EVO), maintenance-free slide bearings tested to over one million opening cycles, and integration of CE, UL 10B/10C, ANSI/BHMA A156.1, and ISO 9001/14001/50001 certifications.

SIMONSWERK generates revenue primarily through sale of branded hardware products via a global authorized dealer network, complemented by direct technical field sales targeting architects, specifiers, and major project accounts. Its go-to-market centers on specification-driven demand: the firm runs AIA CEU presentations and Lunch & Learn training, participates in international trade shows (Glassbuild America, ARCHIDEX, ARCHITECT@Work, INDEX Dubai, SICAM), and supports specification decisions through the PRODUCTSELECTOR digital platform that delivers CAD data, DXF files, 3D models, and test certificates. Pricing is quote-based through dealers rather than publicly listed.

Customer concentration is broadly distributed across marquee projects including Apple Campus 2, Mercedes Benz Stadium, the Museum of Modern Art, Cosmopolitan Hotel Las Vegas, Elbphilharmonie Hamburg, Hudson Tower, 520 West 28th by Zaha Hadid, and King Abdullah Financial District. The firm is privately held with no external private equity or venture capital signals in the available data, operating through wholly-owned subsidiaries in Germany, the United States (Wisconsin), the United Kingdom, Spain, and the Middle East.

Name

SIMONSWERK

Legal name

SIMONSWERK GmbH

Website

https://simonswerk.com

Company type

Private

Founded year

1889

Operating status

Operating

Headcount range

51–100 employees

Short description

SIMONSWERK is a privately held German manufacturer, founded in 1889, that designs and produces premium door hinge systems including concealed, commercial, glass, and self-closing hydraulic hinges for global commercial, residential, hospitality, and institutional construction markets via a 60+ country dealer network.

Ownership category

akta.pro rank

Product category

Architectural Door Hardware

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 systems
• Architectural hardware
• Concealed hinges
• Self-closing hinges
• Commercial door hardware

Headquarters

HQ city

Rheda-wiedenbrück

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Product Sales: Sale of premium door hinge systems including TECTUS, ANSELMI, VARIANT, BILOBA, EVO, and VERTO product lines. Products are sold through authorized dealers and direct technical sales to architects, specifiers, and building professionals.

Go-to-market motion3 records

Distribution channels3 records

Marketing channels5 records

Core offering

SIMONSWERK manufactures premium door hinge systems including concealed hinges, knuckle hinges, pivot hinges, and self-closing hydraulic hinges for wooden, glass, steel, and aluminum door applications. Under its SIMONSWERK sales brand, the company offers a portfolio spanning load capacities from 45 kg to 300 kg, sold globally through authorized dealers and direct technical field sales to architects, specifiers, and building professionals across over 60 countries.

Product overview

SIMONSWERK is a manufacturer of premium door hinge systems with over 135 years of experience. Under its SIMONSWERK sales brand, the company offers a comprehensive portfolio of six core product families: TECTUS (concealed hinges), ANSELMI (residential concealed hinges), VARIANT (commercial adjustable hinges), BILOBA (self-closing glass door hinges), EVO (self-closing knuckle hinges), and VERTO (self-closing pivot hinges). Additional brands include KEEP CLOSED (magnetic latching), BAKA (timber entrance doors), SIKU (PVCu doors), ALPRO (aluminium doors), COLLIO (glass door screw-on hinges), and Metalworking (industrial hinges). TECTUS Energy variants provide permanent energy transfer for electronic door components. Products span load capacities from 45 kg to 300 kg and are designed for wooden, steel, glass, and aluminium door materials. The company also offers a digital PRODUCTSELECTOR tool and installation tools including drilling jigs and milling templates. SIMONSWERK is part of the SIMONSWERK GROUP which also includes ANSELMI, COLCOM, and SADEV brands.

Differentiator

Problem solved

Functional benefit

Brands

• TECTUS: The adjustable concealed door hinge system offering unsurpassed quality, versatility, and depth for architectural openings.
• ANSELMI
• VARIANT
• BILOBA
• EVO
• VERTO
• KEEP CLOSED
• BAKA
• SIKU
• ALPRO
• COLLIO

Products and services

• TECTUS The TECTUS adjustable concealed door hinge system offers unsurpassed quality, versatility, and depth for architectural openings. The completely concealed installation blends flush with door and frame surfaces, and the series spans load capacities from 60 kg to 300 kg. Variants include TECTUS Energy (permanent energy transfer for electronic locks), TECTUS FVZ (for recessed frame facings), and TECTUS A8 (allowing claddings up to 8mm with up to 160 kg load capacity). Designed for architects, specifiers, and building professionals specifying premium concealed hinges.
• ANSELMI The ANSELMI adjustable concealed hinge system is designed specifically for residential interior doors, supporting loads up to 60 kg (132 lbs) in three available models. Features three-dimensional adjustability and maintenance-free operation for high-end residential applications. Targeted at residential architects, custom home builders, and luxury homeowners.
• VARIANT The VARIANT adjustable hinge system serves as a universal all-rounder for commercial and residential doors with load capacities up to 300 kg. Features maintenance-free slide bearing technology, internal torsion-proof pins, and various knuckle diameters and lengths. Variants include VARIANT VX (heavy-duty up to 300 kg with 3D adjustable receivers), VARIANT Compact (for slim frame constructions up to 120 kg), and VARIANT Care (for healthcare with full 90° opening). Designed for high-traffic commercial, hospitality, and institutional applications.
• BILOBA The BILOBA self-closing screw-on hinge system for glass doors features automatic self-closing via integrated hydraulic damping that is internationally patented. Tested in over one million opening cycles with adjustable closing speed for ideal adaptability. Serves as the original for double-action and single-action glass doors in commercial, hospitality, and architectural glass applications.
• EVO The EVO self-closing knuckle hinge system is designed for doors opening on one side with an elegant knuckle hinge look. Hydraulics are placed inside the knuckle for a reduced design and maximum door leaf effect. Features a shock absorber with integrated overpressure relief, TÜV certified to EN 1154:2006 with 90% efficiency versus 60% for traditional door closers. Suitable for interior doors and exterior doors protected from driving rain.
• VERTO The VERTO hydraulic pivot hinge system for doors (including glass doors) ensures automatic, constant and controlled closing with adjustable speed. Load capacities up to 150 kg with minimalist puristic design. Designed for glass door applications where pivot operation and controlled self-closing are required.
• KEEP CLOSED The KEEP CLOSED magnetic latching system enables silent, effortless door opening and closing using an innovative power-free magnetic mechanism. Designed as a complementary door closing solution where conventional self-closing hardware is not desired.
• BAKA The BAKA hinge system is specifically engineered for timber entrance doors, combining high safety and stability requirements with premium design. Targeted at residential and commercial entrance door applications.
• SIKU The SIKU hinge system is designed specifically for PVCu (uPVC) entrance doors, offering both screw-on hinges with rounded corners and stainless steel knuckle hinge aesthetics. Engineered for the dimensional and thermal characteristics of plastic entrance doors.
• ALPRO The ALPRO hinge system is engineered for aluminium entrance doors, optimizing safety, thermal insulation, and aesthetics for this specific material application.
• COLLIO The COLLIO screw-on hinge system for glass doors is designed for frames and partition walls, providing a reliable and elegant solution for light pivot and swing doors with integrated damper.
• Metalworking Hinges designed for metalworking applications, serving as functional components in metal door and frame constructions for industrial and commercial metalwork applications.
• PRODUCTSELECTOR The PRODUCTSELECTOR digital platform enables architects and specifiers to find appropriate hinge solutions based on door type, material, application, and load requirements. Provides downloadable CAD data, DXF files, 3D models, technical specifications, and test certificates to support product specification and project documentation.
• Installation Tools SIMONSWERK installation tools include drilling jigs, milling templates, and accessories designed for proper installation of the company's hinge systems. Product line includes universal milling frames and rivet frames, supporting fabricators and installers in achieving accurate and consistent hinge installation.

Quantifiable outcome

• Hinges tested to over 1,000,000 opening cycles for durability verification
• +3 more outcomes

Named customers17 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• SIMONSWERK GROUPcoreOthersSIMONSWERK operates under the SIMONSWERK GROUP umbrella along with ANSELMI, COLCOM, and SADEV, combining hardware systems worldwide and setting the standard for door-related solutions.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• ASSA ABLOY: Global leader in door opening solutions spanning locks, hinges, closers, and access control. Although massively broader in scope, ASSA ABLOY competes with SIMONSWERK in commercial architectural hinges and integrated electronic door hardware, and its balance-sheet capacity defines the upper bound on M&A consolidation in the category.
• dormakaba: Swiss-listed provider of access solutions, door hardware, and automatic doors. dormakaba overlaps with SIMONSWERK in commercial hinges, door controls, and integrated access hardware while serving a broader portfolio of enterprise security customers.

Direct peers

• GEZE GmbH: German-headquartered manufacturer of door closers, hinges, and automatic door systems for commercial buildings. GEZE is the closest European peer to SIMONSWERK, competing head-to-head in concealed hinge and self-closing mechanical hardware, with comparable premium positioning and engineer-driven specification sales motion.
• Häfele: German manufacturer and global distributor of architectural hardware including hinges, locks, and furniture fittings. Häfele shares SIMONSWERK's specification-driven, premium-German positioning and competes directly across concealed hinge variants for commercial and high-end residential projects.
• Roto Frank: German specialist in hardware systems for windows and doors with deep European specification presence. Roto's tilt-and-turn window hardware and door hinge systems place it in direct competition with SIMONSWERK across commercial and high-end residential construction, supported by a similar distributor-architect sales model.
• MACO (Mayer & Co Beschläge GmbH): Austrian manufacturer of hardware for windows and doors including hinges, multi-point locking systems, and concealed solutions. MACO is a comparable specialist European manufacturer competing in the same specification-driven door hardware category as SIMONSWERK.
• Dr. Hahn GmbH & Co. KG: German manufacturer specializing in hinges and hardware for aluminium and PVC entrance doors. Dr. Hahn is a focused hinge specialist competing most directly with the BAKA, SIKU, and ALPRO product lines within the SIMONSWERK portfolio.
• AGB (Alban Giacomo SpA): Italian manufacturer of architectural hardware and concealed hinges for residential and commercial doors. AGB shares SIMONSWERK's emphasis on concealed aesthetics, premium European manufacturing, and specification-led distribution within the Italian and broader Mediterranean construction market.
• Athmer: German manufacturer specializing in door control hardware including concealed hinges, seals, and access solutions. Athmer competes directly with SIMONSWERK's concealed hinge and self-closing product families while pursuing similar specification relationships across European commercial projects.
• Hager Companies: US-based manufacturer of architectural hardware including commercial-grade hinges, locks, and door controls. Hager Companies is the closest North American peer to SIMONSWERK North America, competing for specification share on commercial and institutional projects across the US and Canada.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/istarcerniere
• Xx.com/simonswerkuk
• Facebookfacebook.com/SimonswerkGmBH
• LinkedInlinkedin.com/company/simonswerk-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries6 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 SIMONSWERK