Müller & Söhne

What Müller & Söhne does

Müller & Söhne GmbH is a privately held, family-styled German Handwerksbetrieb (craftsman business) registered in Stuttgart under HRB 9312, operating as a regional specialist retailer and installer of sun protection systems. The company serves homeowners as its primary customer segment, alongside architects and planners, modernizers, new-construction builders (Bauherren), and gastronomy/hospitality clients. Its geographic footprint is limited to the Stuttgart metropolitan area and adjacent districts including Ludwigsburg, Böblingen, Leonberg, Filderstadt, Weinstadt, and Esslingen, with showroom, consultation, and installation all delivered from its headquarters at Krefelder Straße 28.

The product portfolio spans external window sun protection (roller shutters, exterior venetian blinds/Raffstoren, window awnings), internal window sun protection (roller blinds, venetian blinds, pleated blinds, blackout systems), balcony and terrace shading (articulated-arm and cassette awnings, pergola awnings, winter garden awnings, side awnings, terrace roofs, sun umbrellas, sun sails), and around-the-house solutions (insect protection, fall protection, control systems, sun protection films). Core technology is sourced primarily from WAREMA, Germany's leading sun protection manufacturer, with smart-home integration via the WAREMA WMS wireless motor control system and Somfy controls. Differentiating technical capabilities include an in-house sewing workshop (hauseigene Näherei) for custom fabric work and rapid awning repairs, IVRSA Smart Home Berater certification, and digital product configurators for window systems and outdoor living products that generate preliminary cost estimates and route leads into the sales pipeline.

The business model is project-based and sales-led: customers engage through personal showroom consultation, online configurators, and on-site assessment, with all pricing provided as individual quotes rather than published list prices. Revenue streams combine one-time product sales with installation (essentially a one-time license/resale model) and professional services revenue from repairs, maintenance, and smart-home integration. Headcount is reported at 11-50, consistent with a regional specialist tradesman business rather than a scalable platform. Ralf Müller serves as Managing Director (Geschäftsführer). The company is independently owned with no external investors, parent company, or disclosed funding rounds, and revenue is not publicly disclosed.

Name

Müller & Söhne

Legal name

Müller & Söhne GmbH

Website

https://mueller-soehne.de

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Müller & Söhne GmbH is a Stuttgart-based regional German craftsman business (Handwerksbetrieb) that sells and installs WAREMA sun protection products — roller shutters, exterior venetian blinds, awnings, terrace roofs, and insect screens — primarily for residential homeowners, with secondary service to architects, modernizers, builders, and hospitality clients across the Stuttgart metropolitan area.

Ownership category

akta.pro rank

Product category

Sun Protection Systems

NAICS

Window Treatment Retailers (449122)

SIC

Retail-Building Materials, Hardware, Garden Supply (5200)

akta.pro primary industry

Window Treatments & Shading Systems (Blinds, Shades, Awnings) (IMADAIAN)

akta.pro secondary industries

Curtain, Blind & Shade Installation/Repair (HSAGAAAG), Outdoor Window Shades & Awnings Retail (Exterior Shades, Retractable Awnings) (CRAIAKAH), Screens, Storm Doors/Windows & Insect Protection Systems (IMADAIAK)

Keywords

• Sun protection systems
• Roller shutter construction
• Exterior venetian blinds
• Window awning installation
• Terrace shading products

Headquarters

HQ city

Stuttgart

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Sun protection product sales and installation: Sale and professional installation of custom-made sun protection products including roller shutters, venetian blinds, awnings, pergola awnings, terrace roofs, sun sails, insect screens, and solar control films. Products are sourced primarily from WAREMA and offered as complete solutions.
2. Repair and maintenance services: Full repair service for sun protection products, supported by the company's in-house sewing workshop. Includes maintenance, part replacement, and emergency repair work.
3. Smart home system integration: Consultation, configuration, and installation of smart control systems (WMS, Somfy) for automated sun protection, often bundled with product sales.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Müller & Söhne GmbH sells, custom-configures, and professionally installs sun protection products for windows, terraces, balconies, and outdoor areas, primarily sourcing from WAREMA. The portfolio includes exterior roller shutters, exterior venetian blinds (Raffstoren), awnings (articulated-arm, cassette, pergola, winter-garden, window and side variants), interior window treatments, terrace roofs, sun umbrellas, sun sails, insect screens, solar protection films, fall protection, and smart home control systems. The company also provides in-house repair and maintenance services supported by its own sewing workshop.

Product overview

Müller & Söhne GmbH is a specialty sun protection retailer based in Stuttgart, Germany, offering a comprehensive portfolio of external and internal window sun protection, balcony/terrace shading, and around-the-house products. The core product range includes exterior venetian blinds (Basis-, Aufsetz-, Neubau-Aufsetz-, Vorbau-, Fenster-System-, Freitragende-, Schräg-, and Schacht-Außenjalousien), awnings (Gelenkarm-, Kassetten-, Pergola-, Seiten-, and Wintergarten-Markisen in multiple WAREMA Terrea and Perea/Climara series), and interior window treatments (Rollos, Jalousien, Plissees, Verdunkelungen). Complementary products include sun protection films, insect screens (WAREMA GrandSlide), terrace roofs, sun umbrellas, sun sails, and control systems (Somfy and WMS). The company operates digital product configurators for window systems and outdoor living, and serves residential and commercial customers across Stuttgart and surrounding communities including Ludwigsburg, Böblingen, Leonberg, Filderstadt, Weinstadt, and Esslingen.

Differentiator

Problem solved

Functional benefit

Products and services

• Exterior Roller Shutters (Rollladen) Exterior-mounted roller shutters for windows providing sun protection, privacy, weather resistance, and additional security. Installed by Müller & Söhne with options for motorized and SolarKit autonomous solar-powered operation.
• Exterior Venetian Blinds (Außenjalousien / Raffstoren)

Quantifiable outcome

• Up to 99% UV radiation protection with solar control films
• +2 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature7 records

Partnerships

One partnership is on record.

• WAREMAcoreStrategic or Co-development PartnerMüller & Söhne works closely with WAREMA, Germany's leading manufacturer of sun protection products and awnings. The partnership provides Müller & Söhne with exclusive access to WAREMA's full product portfolio including roller shutters, venetian blinds, awnings, terrace roofs, and smart control systems — all manufactured in Germany. WAREMA products come with a 5-year manufacturer warranty. Müller & Söhne markets these products under its own brand as a regional specialist dealer and installer.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Others

• WAREMA Renkhoff SE: Müller & Söhne's primary manufacturing partner (strategic/co-development tier). WAREMA is Germany's leading maker of roller shutters, external venetian blinds, awnings, and Lamaxa louvered roofs, so the product portfolio overlap is near-total even though WAREMA is upstream rather than a direct competitor at retail.
• Somfy GmbH: Smart-home motor and control systems vendor that Müller & Söhne integrates into its installations. Analogous ecosystem role to the WAREMA WMS partnership, but for competing motor platforms typical at rival sun-protection retailers.

Broad incumbents

• Weinor GmbH & Co. KG: Premium German awning and pergola manufacturer with overlapping product lines (articulated-arm awnings, pergola systems, terrace roofs) comparable to the WAREMA Terrea and Perea families Müller & Söhne distributes.
• Beck+Heun GmbH: Specialist in roller shutters, external venetian blinds, and insect protection for residential and commercial buildings. Overlaps almost completely with Müller & Söhne's window-oriented product family (Rollladen, Raffstoren, Insektenschutz).
• Velux Deutschland GmbH: Market-leading roof-window and daylighting manufacturer whose external sun-protection accessories (Sonnenschutz-Rollo, Hitzeschutz-Markise) overlap directly with Müller & Söhne's WAREMA Climara winter garden awnings and terrace-roof shading. Comparable B2B Fachhandel distribution in Germany.
• Markilux GmbH + Co. KG: Premium German awning manufacturer competing in the same exterior shading category that dominates Müller & Söhne's Gelenkarm-, Kassetten-, and Pergola-Markisen lines. Comparable product depth and Made-in-Germany positioning at the high end.
• Alukon GmbH: German supplier of roller shutters, external blinds, sliding shutters, and insect screens. Active in the same Baden-Württemberg geography and carries a competing Fachbetrieb network across southern Germany.
• Reflexa GmbH: Manufacturer of external sun protection including external venetian blinds, roller shutters, awnings, and zip screens. Closely comparable on Raffstoren and Markisen categories.
• ROMA Rollladen- und Sonnenschutzsysteme: German manufacturer of roller shutters, roller doors, and external sun protection. Directly comparable on the Rollladen / Außenjalousie lines that anchor Müller & Söhne's exterior window offering.
• Roto Frank Fenster- und Türtechnologie: Major German manufacturer of roof windows, external blinds, and shading systems. Competes for specification slots with WAREMA on architect and builder projects — the same channel Müller & Söhne targets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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 Müller & Söhne