Schwering Türenwerk

What Schwering Türenwerk does

Schwering Türenwerk GmbH, operating commercially under the ringo brand, is a German family-owned manufacturer of interior doors and door frames headquartered in Reken, Germany (Hermann-Schwering-Str. 1). The company has been continuously family-held for over 100 years and is led by managing director and co-owner Dominic Herbers, who assumed the role in 2009. The product portfolio centers on Innentüren (interior doors) and Zargen (door frames), spanning white, solid wood (Echtholz), Ringolit, sliding, flush, fusion, full glass, garage, partition wall, and corridor/gallery variants, with technical lines covering fire protection (Types 3–6), sound insulation (Classes 1–4), and break-in resistance (RC 2 / RC 3).

Manufacturing is built on wood and wood-based materials with a comprehensive sustainability and compliance stack: PEFC-certified sustainable forestry (PEFC/04-31-1950, valid to 2027-05-01), ISO 50001 energy management, RAL quality mark, EPD from Institut Bauen und Umwelt, Fraunhofer WKI E0.5 emissions classification (Blue Angel DE-ZU 176), DGNB membership, and QNG compatibility for sustainable building certification.

The business model is a pure channel-partner wholesale operation. Schwering does not sell directly to end customers or processors; all products flow through a curated network of ringo specialist dealers (Fachhändler) and certified processors (Verarbeiter) in Germany. Dealers configure and order via the proprietary con@door licensing program and the ringo-easy online portal against the annual ringo gross price list, and access partner training and a 360° virtual showroom through the ringo erleben experience platform. A digital service portal handles returns, complaints, and marketing materials for partners. Pricing is not publicly disclosed for end customers, and revenue is generated through one-time wholesale transactions distributed across many dealer accounts with no disclosed enterprise anchors.

Name

Schwering Türenwerk

Legal name

Schwering Türenwerk GmbH

Website

https://ringo.de

Company type

Private

Founded year

1904

Operating status

Operating

Headcount range

101–250 employees

Short description

Schwering Türenwerk, trading as ringo, is a German family-owned manufacturer of interior doors and door frames. It sells exclusively through a national network of specialist dealers and certified processors, serving German residential and commercial construction customers via certified, sustainable wood-based products.

Ownership category

akta.pro rank

Product category

Interior Doors and Frames

NAICS

Wood Window and Door Manufacturing (321911)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Interior Doors (IMADAIAB)

akta.pro secondary industry

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

Keywords

• Interior door manufacturing
• Door frame systems
• Fire protection doors
• Sound insulation doors
• Sustainable building products

Headquarters

HQ city

Bahnhof Reken

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Interior doors and frames wholesale: Manufacturing and wholesale distribution of interior doors (Türen), frames (Zargen), and related elements exclusively through a network of specialist dealer partners. Products include white doors, solid wood doors, ringolit doors, sliding doors, flush doors, fusion doors, full glass doors, and garage doors.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Schwering Türenwerk (brand: ringo) manufactures interior doors and door frames (Zargen) at its Reken, Germany facility, offering a portfolio that includes white doors, solid wood doors, Ringolit-treated doors, sliding doors, flush doors, fusion doors, full glass doors, garage doors, and partition wall systems. Products are technically certified across fire protection (types 3-6), sound insulation (SST 1-4), and break-in resistance (RC 2/RC 3). All products are sold exclusively through a hand-selected network of ringo specialist dealers (Fachhändler) and certified processors (Verarbeiter), with no direct sales to end customers.

Product overview

Schwering Türenwerk (brand: ringo) is a traditional family-owned manufacturer of interior doors and door frames with over 100 years of experience. The product portfolio centers on Innentüren (interior doors) and Zargen (door frames) available in multiple sub-categories including expressive doors, white doors, solid wood doors, sliding doors, flush doors, full glass doors, garage doors, and partition wall systems. The company operates through a specialist dealer network and offers digital ordering platforms (con@door and ringo-easy) for trade professionals to configure and order products. The focus is on quality, sustainability, and professional distribution exclusively through qualified specialist partners.

Differentiator

Problem solved

Functional benefit

Brands

• ringo: The primary commercial brand name for Schwering Türenwerk GmbH's interior door and frame products. The ringo brand encompasses the company's complete product portfolio including interior doors, glass doors, sliding doors, and door frames (Zargen).
• ringo-easy
• con@door
• Ringolit Türen

Products and services

• Innentüren (Interior Doors) High-quality wooden and wood-based interior doors manufactured by Schwering Türenwerk under the ringo brand for residential and commercial applications. Forms the core product line of the company and is available in multiple sub-categories and finishes.
• Zargen (Door Frames) Door frames (Zargen) that complement the ringo interior door product line, available as part of the complete door system offering for residential and commercial construction.
• Ausdrucksstarke Türen (Expressive Doors) Expressively designed interior doors with distinctive visual appearance for customers seeking unique door aesthetics.
• Weiße Türen (White Doors) Interior doors with white surface finish for clean, modern interior design applications.
• Ringolit Türen (Ringolit Doors) Interior doors featuring the proprietary Ringolit surface treatment system for enhanced durability and aesthetics.
• Echtholz Türen (Solid Wood Doors) Interior doors made from genuine solid wood materials for natural, authentic appearance and feel.
• Schiebetüren (Sliding Doors) Space-saving sliding door solutions for interior applications where traditional swing doors are impractical.
• Stumpfe Türen (Flush Doors) Flush-fit doors that sit flush with the door frame for a seamless, minimalist interior appearance.
• Fusion Türen Hybrid door designs combining different materials and aesthetics for distinctive interior applications.
• Ganzglas Türen (Full Glass Doors) Full glass interior doors for maximum light transmission and contemporary design aesthetics.
• Garagentür (Garage Door) Garage doors for residential and commercial garage applications, part of the ringo product portfolio.
• Trennwandsystem (Partition Wall System) Flexible partition wall systems using door technology for room dividers in interior applications.
• Laubengang (Corridor/Gallery Doors) Doors designed for corridor and gallery applications meeting specific fire and safety requirements.
• Einbruchschutz (Burglar Resistance Doors) Doors with enhanced resistance classes RC 2 and RC 3 for increased security against forced entry.
• con@door (Licensed Configuration Program) Licensed software program offered by ringo for its specialized dealers (Fachhändler) to configure and manage door, frame, and accessory orders based on the ringo gross price list (Bruttopreisliste).
• ringo-easy Online Ordering Platform Online door ordering system for ringo specialist dealers (Fachhändler) and processors (Verarbeiter) to configure doors, frames, and elements with all additional services based on the ringo gross price list.
• Serviceportal (Dealer Service Portal) Digital service portal for ringo specialist dealers to manage returns, complaints, newsletters, and promotional materials.

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• VHI (Verband der Deutschen Holzwerkstoffindustrie e.V.)coreOthersringo is a member of the German Wood-Based Materials Industry Association (VHI). This membership enables access to Environmental Product Declarations (EPD) for interior doors made of wood and wood panels, and supports QNG certification requirements for sustainable building.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• JELD-WEN: JELD-WEN is a global door and window manufacturer with German operations that compete in the interior door category. It is a much larger, broadly diversified incumbent offering comparable wood-based interior door SKUs at scale.
• Hörmann: Hörmann is one of Europe's largest door and gate manufacturers with a broad portfolio spanning industrial, commercial, and residential doors. While interior doors are only part of its portfolio, its scale, brand, and certified product lines compete directly with ringo in commercial and multi-family specifications.
• ASSA ABLOY (tür-und sicherheitssysteme division): ASSA ABLOY is the global leader in door opening solutions, with German operations offering interior doors, frames, and certified security solutions. Its German functional and security door range overlaps with ringo's RC 2/3 and fire-rated door portfolio.

Regional players

• Wiemann Einrichtungshaus / Wiemann-Türen: Wiemann is a German regional furniture and interior door manufacturer with comparable wood interior door offerings. Its footprint is more regional and primarily adjacent to ringo's German dealer channel rather than fully national.
• Inwido (e.g., Dipl.-Ing. Ernst Wihelm / weitere Marken): Inwido is Europe's largest window and door group with strong presence in Northern and Central Europe. Its German and Nordic subsidiaries offer interior door products comparable to ringo, competing primarily in adjacent geographies but increasingly in the same German specification channels.

Emerging players

• Novoferm: Novoferm is a European manufacturer of industrial, commercial, and residential doors with a growing interior and functional door portfolio. While strongest in commercial/industrial doors, its certified functional door range overlaps with ringo's fire/security/SST certified products.

Direct peers

• Garant Türen und Fenster: Garant is a German manufacturer specializing in interior doors and frames with a comparable dealer-driven distribution model. Its product range and certification portfolio (fire, acoustic, security) overlap closely with ringo's, making it a primary domestic direct competitor.
• HUGA Türtechnik: HUGA is a long-established German manufacturer of interior doors and frames with a comparable product breadth, including functional and design doors distributed through specialist dealers. It competes head-to-head with ringo for the same Fachhändler channel and end-customer segments.
• Prüm-Türen (Arbonia Doors): Prüm-Türen is one of Germany's leading interior door manufacturers, offering a comparable range of wood and wood-based interior doors, frames, and certified performance variants. It competes directly with ringo across the same specialist dealer channel in the German market and is the closest comparable in product portfolio and go-to-market model.

Others

• WEISS Liegenschafts- und Innenausbau / regional door brands: WEISS and similar German Mittelstand interior fit-out specialists purchase and install doors from manufacturers like ringo. They are adjacent ecosystem participants (specifiers/integrators) rather than direct competitors, but they influence spec outcomes and channel dynamics.

Market position

Strengths1 record

Weaknesses1 record

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/profile.php
• Instagraminstagram.com/ringo_tueren

Compliance13 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 Schwering Türenwerk