STOLMA GmbH & Co. KG

What STOLMA GmbH & Co. KG does

STOLMA GmbH & Co. KG is a privately held German Fachhandelsmarke (specialized trade brand) headquartered in Wuppertal, North Rhine-Westphalia. Founded in 2000 and operating for nearly 20 years, the company distributes custom-configured windows, doors, and shading systems to specialized trade partners (Fachhandel), craftspeople (Handwerk), and window builders (Fensterbau) across Germany, Austria, and Europe. The company has completed over 70,000 projects and serves a network of 1,800+ trade customers, with over 1,500 active users on its proprietary configurator.

The core technical platform is the STOLMA Fenster & Türen Konfigurator, which enables 60-second online configuration of windows, doors, shading, and accessories with real-time pricing, sketches, and direct ordering. The portfolio aggregates 30+ branded systems and nearly 3,000 articles from partners including Aluplast, Salamander, VEKA, Gealan, Aluprof (aluminum), Beck+Heun, EXTE, Alukon (shading), and Premium Holz/Protect, fitted with hardware from Roto, MACO, and Siegenia. Extended offerings include STOLMA Konfigurator Plus, STOLMA System Klaes (enterprise integration), and the 24h-Förderservice (subsidy verification). STOLMA holds 9x consecutive CrefoZert creditworthiness certification from Creditreform — the only company in its industry with this status — and provides a 5-year guarantee on all products with express delivery from 10 days.

The business model is B2B distribution with a configurator-led, multi-channel go-to-market: partners register free for the Fachhandelsbereich portal to access exclusive pricing, configure, and order; end customers can also configure and submit inquiries directly via the website, with offers returned within 48 hours. Commercial outreach is supplemented by trade show presence (FENSTERBAU FRONTALE 2026), online webinars, and direct customer consultants. Revenue is generated through one-time product sales with quote-based pricing; no subscription, SaaS, or platform fees are disclosed. The company operates with 11 employees, indicating a capital-light, high-leverage distribution model.

Name

STOLMA GmbH & Co. KG

Legal name

STOLMA GmbH & Co. KG

Website

https://stolma.de

Company type

Private

Founded year

2000

Operating status

Operating

Short description

STOLMA GmbH & Co. KG is a German B2B specialized trade brand that distributes custom-configured windows, doors, and shading systems to over 1,800 Fachhandel, Handwerk, and Fensterbau partners across Germany, Austria, and Europe through a proprietary 60-second online configurator.

Ownership category

akta.pro rank

Product category

Custom Windows, Doors, and Shading Systems

NAICS

Other Building Material Dealers (444180)

akta.pro primary industry

B2B Marketplaces & Wholesale Platforms (BPAMAGAD)

akta.pro secondary industries

Wholesale/B2B Generalist Marketplaces (CRAFAAAF), Cross-border B2B/Wholesale Trade Marketplaces (CRAFAJAC)

Keywords

• Specialized trade distribution
• Configured fenestration products
• PVC and aluminum windows
• Custom window systems
• Door and shading supply

Headquarters

HQ city

Wuppertal

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Windows, Doors, and Shading Systems Sales: STOLMA generates revenue through the sale of custom-configured windows, doors, shading systems, and accessories. Products are sold to Fachhandel (specialized trade), Handwerk (craftspeople), and directly to end customers. The company offers products from multiple brand partners including Aluplast, Salamander, VEKA, Gealan, Aluprof, and Premium systems. Pricing is quote-based, with registered trade partners receiving access to exclusive pricing through the Fachhandelsbereich portal.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels8 records

Core offering

STOLMA is a German B2B specialized trade supplier that configures and distributes custom-made PVC windows, wood/aluminum windows, aluminum entrance doors, sliding doors, and shading systems (Rollladen, Raffstoren) sourced from multiple brand manufacturers. Trade customers use STOLMA's proprietary online configurator to specify technical parameters per project, with each order custom-fabricated through a Klaes-integrated production workflow and delivered across Germany, Austria, and other European markets.

Product overview

STOLMA GmbH & Co. KG is a B2B trade brand specializing in custom-made fenestration products for renovation and new construction. The product portfolio comprises three core categories: (1) Windows in PVC (Aluplast IDEAL 4000/4000 Plus/4000 Aluskin/5000/Neo/7000/8000, Salamander greenEvolution/Streamline/bluEvolution/Greta, VEKA Softline, Gealan S 8000/9000), Premium Wood (Premium 68/78/88/105/Denkmalschutz), Wood-Aluminum (Premium Protect in Classic/Quadrat/Linear/Retro/Softline/Integral variants), and Aluminum (Aluprof MB 70/79/86/86N/104); (2) Doors including entrance doors across all material systems, sliding doors (HST/PSK/FST), and over 400 door panel options; (3) Shading solutions from BECK+HEUN (ROKA-TOP 2), EXTE (Expert/Elite/Neo XT), Alukon (Raff-E), and Aluprof (SKB), plus Zip-Screens. The offering is anchored by the STOLMA Konfigurator online tool (plus Klaes system integration) for 60-second product configuration, pricing, and ordering, complemented by the 24h Förderservice subsidy verification. All products carry a 5-year warranty and benefit from express delivery from 10 days. The company holds 9x CrefoZert certification for creditworthiness.

Differentiator

Problem solved

Functional benefit

Products and services

• PVC Window Systems
• Wood/Aluminum Windows Custom-configured wood/aluminum window systems from the Premium Holz brand, specified per project for trade customers and their end customers.
• Aluminum Entrance Doors Custom-configured aluminum entrance doors from Premium Protect and Premium Aluminium, specified per project for trade customers and their end customers.
• Sliding Doors Custom-configured sliding door systems specified per project for trade customers and their end customers.
• Shading Systems (Rollladen and Raffstoren) Custom-configured roller shutters (Rollladen) and external venetian blinds (Raffstoren) specified per project for trade customers and their end customers.
• Accessories and Additional Components Configurable accessories including insect screens and insect protection systems, specified alongside window and door orders for trade customers and their end customers.
• STOLMA Förderservice (Subsidy Advisory) Advisory service that identifies and processes applicable subsidies and grants for fenestration projects, supporting trade customers and end customers in funding their window, door, and shading purchases.

Quantifiable outcome

• 9x CrefoZert creditworthiness certification – the only company in the window, door, and shading industry to achieve this
• +5 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• AluplastcoreTechnology or IntegrationAluplast is a core brand partner providing plastic window systems sold through STOLMA. Product lines include IDEAL 4000, IDEAL 4000 Plus, IDEAL 4000 Aluskin, IDEAL 5000, IDEAL Neo, IDEAL 7000, and IDEAL 8000 systems. Aluplast technologies like SafeTech, Bonding Inside, Cool Color, Cool Color Plus, Woodec, and AluDecor are featured in STOLMA products.
• SalamandercoreTechnology or IntegrationSalamander is a brand partner providing plastic window and door systems sold through STOLMA. Product lines include greenEvolution 76, Streamline 76, Streamline 76 Alu, bluEvolution 82, bluEvolution 92, and Greta 82. STOLMA offers Salamander products in window and door configurations.
• VEKAcoreTechnology or IntegrationVEKA is a brand partner providing plastic window and door systems sold through STOLMA. Product lines include Softline 70, Softline 76, and Softline 82. VEKA products support express delivery from 10 days for standard white plastic windows.
• GealancoreTechnology or IntegrationGealan is a brand partner providing plastic window and door systems sold through STOLMA. Product lines include S 8000 and S 9000 systems. Gealan products are offered in window and door configurations through STOLMA.
• AluprofcoreTechnology or IntegrationAluprof is a brand partner providing aluminum window and door systems sold through STOLMA. Product lines include MB 70, MB 79, MB 86 N, MB 86, and MB 104 systems. Aluprof products are offered for window and door configurations.
• Beck+HeuncoreTechnology or IntegrationBeck+Heun is a brand partner providing shading solutions (roller shutters and sun blinds) sold through STOLMA. Products include ROKA-TOP® 2 roller shutters and ROKA-TOP® 2 SHADOW sun blinds. Beck+Heun products are featured in STOLMA's shading category.
• EXTEcoreTechnology or IntegrationEXTE is a brand partner providing shading solutions (roller shutters and sun blinds) sold through STOLMA. Products include Expert XT, Elite XT, Neo XT roller shutters and Elite XT sun blinds. EXTE products are featured in STOLMA's shading category.
• KlaescoreTechnology or IntegrationKlaes provides the STOLMA System Klaes configurator platform. STOLMA offers Klaes integration as part of their configurator offerings including STOLMA Konfigurator, STOLMA Konfigurator Plus, and STOLMA System Klaes.
• RotocoreTechnology or IntegrationRoto is a hardware fittings supplier whose products are standard equipment in STOLMA windows. Roto hardware fittings are featured in Aluplast windows including the IDEAL Neo with 5 mushroom-head lockings per sash as standard.
• MACOcoreTechnology or IntegrationMACO is a hardware fittings supplier whose products are used in STOLMA windows. MACO fittings are standard in Premium Holz windows, providing high-quality, durable hardware for window operation.
• SiegeniacoreTechnology or IntegrationSiegenia is a hardware fittings supplier whose products are featured in STOLMA windows as standard equipment, providing quality hardware for window operation.
• CreditreformminorOthersCreditreform is a German credit rating agency that has awarded STOLMA the CrefoZert certification for creditworthiness 9x consecutively, making STOLMA the only 9x certified company in the window, door, and shading industry.

Scale indicators11 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Internorm: Austrian premium window and door manufacturer with an online configurator and direct-to-trade partner distribution model across DACH, very comparable to STOLMA's multi-brand configurator-driven Fachhandel approach.
• Finstral: South Tyrolean/Italian premium window and door manufacturer with strong digital configurator tools and a focus on trade and direct partner sales across Germany, Austria, and Italy, similar to STOLMA's trade partner distribution.

Broad incumbents

• Schüco: Large German aluminum window, door, and facade systems manufacturer with a global partner network and digital configurator. A broader incumbent in the same fenestration systems category STOLMA distributes.
• heroal: German aluminum rolling, window, door, and sun protection systems manufacturer serving specialist trade and fabricators across Europe; broader incumbent comparable in product category but with its own manufacturing.
• REHAU Windows: German polymer solutions provider with a window and door systems business (including the ARALON platform), serving trade partners with configurator tools and digital commerce; broader incumbent in the same B2B fenestration ecosystem.
• Kneer-Südfenster: German premium window and door manufacturer with a strong specialist trade partner network and configurator-driven sales, comparable to STOLMA's Fachhandel model but larger and with manufacturing.
• Unilux: German premium wood, wood-aluminum, and PVC window manufacturer with configurator-driven trade partner sales across DACH, comparable in distribution model and product category to STOLMA.
• WICONA: European aluminum window, door, and facade systems manufacturer with strong trade partner network and digital configurator tools across Europe, a broader incumbent in the same aluminum fenestration category as STOLMA.
• Weru: German window and door manufacturer with a longstanding Fachhandel partner network and online configurator, highly comparable in trade partner distribution model to STOLMA.

Regional players

• Josko: Austrian premium window and door manufacturer with a strong trade partner focus and configurator offering, primarily serving Austria and Central European markets, comparable to STOLMA's DACH specialization.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@STOLMA_FACHHANDELSMARKE
• Facebookfacebook.com/StolmaGmbH
• LinkedInlinkedin.com/company/stolma-gmbh-&-co-kg

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 STOLMA GmbH & Co. KG