Raiser

What Raiser does

Raiser GmbH is a family-owned German craft business headquartered in Fellbach, Baden-Württemberg, that manufactures, sells, and installs windows, doors, and sun protection products. The company traces its origins to two predecessor entities founded by Karl Raiser (Rollladenbau, 1961) and Helmut Raiser (Fenster- und Türenbau, 1966), and has been under the joint management of Jörg and Peter Raiser since 2012. Its product portfolio spans plastic, wood, wood-aluminum, plastic-aluminum, and roof windows; front, apartment, and interior doors; and a full range of sun protection solutions (fold shutters, sliding shutters, roller shutters, awnings, venetian blinds, and insect screens). In 1992, the company expanded into drywall construction and finishing work as a complementary service line.

The underlying technology is conventional window and door manufacturing and on-site installation, with no proprietary hardware, software, or digital platform disclosed. Revenue mechanics are based on custom project-based pricing generated through in-person consultation, hardware sales, and direct installation labor. The go-to-market is sales-led and entirely local: Raiser serves residential homeowners, property managers, and smaller builders/contractors in the Fellbach and greater Stuttgart region through its single headquarters and on-site service crews, with no dealer network, e-commerce channel, or geographic expansion documented.

Customer acquisition appears to rely on long-standing local reputation and word-of-mouth rather than active marketing, supported by a basic informational website. The company is a private GmbH with no external investors, parent organization, partnerships, or M&A activity disclosed. With 11-50 employees and a single-region footprint, Raiser operates as a traditional Mittelstand craft enterprise whose strategic posture is continuity rather than growth or transformation.

Name

Raiser

Legal name

Raiser GmbH

Website

https://fenster-rollladenbauraiser.de

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

11–50 employees

Short description

Raiser GmbH is a family-owned German craft business in Fellbach, Baden-Württemberg, manufacturing, selling, and installing windows, doors, and sun protection products for residential homeowners and local builders since 1961.

Ownership category

akta.pro rank

Product category

Window and Door Manufacturing

NAICS

Wood Window and Door Manufacturing (321911), Metal Window and Door Manufacturing (332321), Blind and Shade Manufacturing (33792)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442), Lumber & Wood Products (No Furniture) (2400)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industries

Custom Window & Door Fabrication & Replacement (HSAPAJAI), Skylights & Roof Windows (IMADAIAD), Screens, Storm Doors/Windows & Insect Protection Systems (IMADAIAK), Drywall, Partitions & Suspended Ceilings (IMAFANAG)

Keywords

• Window manufacturing
• Door installation
• Roller shutters
• Sun protection systems
• Fenestration services

Headquarters

HQ city

Fellbach

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Window and Door Sales and Installation: The company sells and installs various types of windows (plastic, wood, wood-aluminum, plastic-aluminum) and doors (entrance doors, apartment doors, room doors), along with sun protection products (folding shutters, sliding shutters, roller shutters, awnings, blinds, insect protection).

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Raiser manufactures and installs windows (plastic, wood, wood-aluminum, plastic-aluminum, and roof windows), doors (front, apartment, and interior), and sun protection products (fold shutters, sliding shutters, roller shutters, awnings, venetian blinds, and insect screens) for residential and small commercial customers. The company also provides drywall construction and interior finishing services, complemented by on-site consultation, measurement, and professional installation across the Fellbach/Stuttgart region.

Product overview

Raiser GmbH is a traditional window, door, and roller shutter construction company based in Fellbach, Germany. The company offers a comprehensive portfolio of fenestration products including multiple window types (plastic, wood, wood-aluminum, and plastic-aluminum windows, plus roof windows), various sun protection solutions (fold shutters, sliding shutters, roller shutters, awnings, venetian blinds, and insect screens), and a full range of doors (front doors, apartment doors, and interior doors). Founded through separate entities in 1961 and 1966, the company expanded into drywall construction and finishing work in 1992, providing complete service around windows and doors.

Differentiator

Problem solved

Functional benefit

Products and services

• Windows (Kunststofffenster, Holzfenster, Holz-Alu-Fenster, Kunststoff-Alu-Fenster, Wohndachfenster)
• Doors (Haustüren, Wohnungstüren, Zimmertüren) Manufacture and installation of front entrance doors, apartment entry doors, and interior room doors for residential and small commercial properties.
• Sun Protection Systems (Klappläden, Schiebeläden, Rollladen, Markisen, Jalousien, Insektenschutz) Fold shutters, sliding shutters, roller shutters, awnings, venetian blinds, and insect protection systems for windows and doors, providing sun shading, thermal insulation, security, noise reduction, and ventilation control.
• Drywall Construction and Finishing Work (Trockenbau und Ausbauarbeiten) Drywall construction and interior finishing services that complement the company's core window and door installation work, offered to residential and small commercial customers.
• Consultation, Measurement and Installation Services Non-binding in-person consultation, on-site measurement, and professional installation of windows, doors, and sun protection products for homeowners and builders in the Fellbach/Stuttgart region.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves4 records

Expansion highlights2 records

Direct peers

• heroal: German manufacturer of aluminum window, door, and sun-protection systems (Rollladen, Raffstoren). Overlaps with Raiser's aluminum-window and roller-shutter categories and is a typical systems supplier for DACH installers.
• Roma Rollladen-Systeme: Specialist German manufacturer of roller shutters (Rollladen) and external venetian blinds, including insect-screen systems. Directly competes in Raiser's sun-protection category.
• GEALAN Fenster-Systeme: German manufacturer of uPVC window and door profiles, a typical upstream system supplier for installers like Raiser in the Kunststoff and Kunststoff-Alu window categories.
• Warema Renkhoff SE: German market leader in sun-shading systems (Rollladen, Markisen, Jalousien). Overlaps with Raiser's entire Sonnenschutz product line, though Warema operates as an industrial manufacturer and dealer-network brand rather than a single local installer.
• VELUX Group: Global leader in roof windows (Wohndachfenster). Raiser distributes/installs a comparable product category and competes for the same residential loft-conversion and renovation demand, though VELUX is a brand-led manufacturer rather than a regional installer.
• Internorm International: Austrian/European manufacturer of wood, wood-aluminum, and PVC windows. Closely matches Raiser's material-platform mix in windows and competes for premium renovation and new-build customers in the DACH region.
• Hörmann Group: Europe's leading door manufacturer, including residential front and apartment doors. Directly comparable to Raiser's Haustüren and Wohnungstüren product lines, though at much larger industrial scale with broad dealer reach.

Broad incumbents

• Schüco International: One of Europe's largest manufacturers of window, door, and façade systems based in Germany. Directly comparable product category (windows, doors) but operates at industrial scale as a broad systems supplier rather than a local installer.
• REHAU Windows Solutions: Polymer-based window and door systems supplier serving European fabricators and installers. Comparable because much of Raiser's uPVC product line (Kunststofffenster, Kunststoff-Alu-Fenster) relies on profile systems such as REHAU's.

Emerging players

• Somfy: Global leader in automated and smart shading controls. Increasingly adjacent as Raiser offers motorized Rollladen and Markisen; Somfy provides the motorization and smart-home layer that increasingly accompanies these products.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/raiser-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Raiser