Glatthaar Keller

What Glatthaar Keller does

Glatthaar Keller GmbH & Co. KG is a German family-owned specialist in prefabricated basements (Fertigkeller) and foundation floor slabs (Bodenplatten), founded in 1980 and headquartered in Schramberg, Germany. The company operates five concrete prefabrication plants across Germany — Schramberg/Waldmössingen (including the BFU plant acquired April 2026), Neuwied, Oranienbaum-Wörlitz, and Günzburg — plus a Swiss subsidiary in Schaffhausen and a UK subsidiary in Addlestone, Surrey. With over 600 employees and approximately 5,000 projects executed annually, Glatthaar Keller is the European market leader in its niche, having completed more than 90,000 construction projects cumulatively since founding. Its core technology is industrial prefabrication of customized concrete elements in weather-independent factory conditions, assembled on-site in typically two days per basement, with proprietary innovations including the AquaSafe® waterproofing system, the Hybrid-Bodenplatte (polymer-fiber reinforced slabs that replace 50–65% of steel reinforcement and reduce CO₂ emissions by ~42%), and SafeLight daylight wells.

The business model is project-based and predominantly one-time revenue per project: customers are primarily private homeowners ("Baufamilien") building single-family houses, alongside housing developers and a smaller commercial/object construction segment. Pricing is quote-based with a fixed-price guarantee marketed to consumers. Go-to-market is sales-led via regional project managers working from home offices (nationwide coverage), supplemented by long-standing referral partnerships with all major German house-building companies, a website with product-specific lead forms, a customer experience center (Glatthaar Innovationsforum), and digital marketing (Google Ads, Meta). Revenue diversification includes earthworks, floor slabs, object/commercial construction, and a partnership with BSSD Defence to deliver shelter/bunker spaces — a relatively new vertical addressing rising European defense-preparedness demand.

Strategically, the group has expanded beyond basements into adjacent concrete prefabrication products (hollow walls, ceilings, stairs, balcony slabs via BFU), stone-wall elements (Starwalls), software (Dimmel-Software), logistics (TF Kraftverkehr), and training (Glatthaar Bauakademie). Ownership is concentrated: Glatthaar Holding GmbH is the parent, with three managing directors (Dirk Wetzel, Reiner Heinzelmann, Michael Gruben) and no disclosed institutional investors. Key certifications — TÜV (notably the first and only company certified for "reviewed planning documents" in basement construction), RAL quality seal, DEKRA, and Minergie membership in Switzerland — support a quality-premium positioning in a B2C-driven construction market where reliability and warranty certainty are decisive buying criteria.

Name

Glatthaar Keller

Legal name

Glatthaar Keller GmbH & Co. KG

Website

https://glatthaar.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

51–100 employees

Short description

Glatthaar Keller is a German family-owned, market-leading manufacturer of prefabricated basements and foundation slabs, serving residential homeowners and housing developers across Europe with five concrete plants in Germany plus Swiss and UK operations.

Ownership category

akta.pro rank

Product category

Prefabricated Concrete Foundations

NAICS

Structural Steel and Precast Concrete Contractors (23812), Cement and Concrete Product Manufacturing (3273), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Concrete Products, Except Block & Brick (3272), General Bldg Contractors - Residential Bldgs (1520), Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Precast Concrete Products (IMADAAAB)

akta.pro secondary industry

Modular/Offsite General Contracting & Installation (IMAFAAAK)

Keywords

• Prefabricated basements
• Foundation slabs
• Concrete prefabrication
• Earthworks services
• Residential foundations

Headquarters

HQ city

Schramberg

HQ country

Germany

HQ region

Europe

Offices9 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Fertigkeller (Prefabricated Basements): Core business: Manufacturing and installation of customized prefabricated basements for residential construction. Projects are managed from planning through to final on-site acceptance. Revenue generated through project-based contracts with homeowners and housing companies.
2. Bodenplatten (Floor Slabs): Production and installation of foundation floor slabs, including the innovative Hybrid-Bodenplatte. Project-based revenue from residential construction projects.
3. Erdarbeiten (Earthworks): Excavation and ground work services as part of foundation construction.
4. Objektbau (Object Construction): Custom construction projects beyond residential basements, including commercial and public construction.
5. Schutzräume (Protection/Shelter Spaces): Bunker and shelter solutions in partnership with BSSD Defence, including reinforced steel-reinforced concrete constructions with enhanced wall and ceiling thickness.

Go-to-market motion1 record

Distribution channels5 records

Marketing channels11 records

Core offering

Glatthaar Keller designs, manufactures and installs customized prefabricated concrete basements (Fertigkeller) and foundation floor slabs (Bodenplatten) for single-family homes, multi-family dwellings and select commercial projects. Production takes place in five German concrete prefabrication plants plus a Swiss facility, with weather-independent factory precision manufacturing followed by on-site assembly coordinated by dedicated regional project managers. The offering is rounded out by earthworks, object/commercial construction, daylight basement solutions, shelter/bunker spaces, and renovation services.

Differentiator

Problem solved

Functional benefit

Brands

• AquaSafe: Patented waterproofing system for basements providing permanent protection against constant water pressure.
• SafeLight

Products and services

• Fertigkeller (Prefabricated Basement) Design, factory prefabrication and on-site installation of a customized residential basement (full or partial) including waterproofing via the proprietary AquaSafe system. The basement is delivered as a finished, fixed-price product, integrated with the chosen house-building company.
• Bodenplatte / Hybrid-Bodenplatte (Foundation Floor Slab) Manufacture and installation of foundation floor slabs for residential houses, including the innovative Hybrid-Bodenplatte that replaces 50-65% of steel reinforcement with polymer fibers and cuts CO2 emissions by approximately 42% versus conventional slabs.
• Erdarbeiten (Earthworks) Excavation and ground preparation work performed as part of foundation construction, coordinated by Glatthaar Keller project managers and executed by partner companies on site.
• Objektbau (Commercial / Object Construction) Customized prefabricated concrete construction projects for commercial, public and multi-unit residential buildings, extending Glatthaar's basement and slab capabilities to larger object construction engagements.
• SafeLight Tageslichtlösung (Daylight Basement Solution) Innovative daylight shaft and light-well system branded SafeLight that turns basements into bright, residential-feel living spaces by channelling natural daylight below ground level.
• Schutzräume (Shelter / Bunker Spaces) Reinforced steel-concrete basement constructions with thicker walls and ceilings, delivered together with BSSD Defence's gas filter, air exchange and interior fit-out systems as a complete family or civil-protection bunker solution.
• Sanierung (Basement Renovation) Renovation and refurbishment services for existing basements, applying Glatthaar's waterproofing and structural know-how to upgrade aging below-grade spaces.

Quantifiable outcome

• 42% reduction in CO2 emissions (GWP) compared to conventional steel reinforcement in Hybrid-Bodenplatte
• +4 more outcomes

Named customers2 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

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• BFU Beton-Fertigteil-Union (Acquisition)coreStrategic or Co-development Partner · 1 April 2026Glatthaar Gruppe acquired nearly all shares of BFU Beton-Fertigteil-Union in Schramberg-Waldmössingen on April 1, 2026. BFU produces hollow walls, element ceilings, solid walls, all stair forms, and special parts like columns, beams and balcony slabs for residential, commercial and public construction. Acquisition strengthens Glatthaar's network of concrete prefabrication plants.
• BSSD Defence GmbH (Bunker Schutzraum Systeme Deutschland)coreStrategic or Co-development PartnerPartnership with BSSD Defence to offer protection/shelter space solutions in basements. Glatthaar Keller provides specially designed prefabricated concrete constructions with reinforced walls and ceilings, while BSSD Defence handles technical equipment including gas filter systems, air exchange systems, and interior fit-out. Together they offer complete bunker solutions from single source.
• Major German House Building CompaniescoreChannel Partner/ Reseller/ DistributorLong-standing partnerships with all major German house-building companies. These partnerships ensure seamless integration between house and basement construction, coordination on technical requirements, and mutual quality assurance. Partners recommend Glatthaar Keller basements to their customers.
• Research Institutes and UniversitiesminorStrategic or Co-development PartnerCollaboration with R&D departments of institutes and universities for continuous development of intelligent solutions and innovations in basement and foundation construction.
• AUDEREminorStrategic or Co-development PartnerProject partner for Hybrid-Bodenplatte implementation. AUDERE provided verification of the innovative construction method under real conditions in the KiTa replacement and expansion project in Munster-Breloh.
• Glatthaar Keller Ltd. (UK)coreChannel Partner/ Reseller/ DistributorUK subsidiary operating under Glatthaar Keller Ltd., based in Addlestone, Surrey, serving the UK market with prefabricated basement solutions.
• Partner Companies (Partnerunternehmen)coreChannel Partner/ Reseller/ DistributorNetwork of partner companies that execute construction work on building sites under the coordination of Glatthaar Keller project managers. These partners are responsible for implementing quality standards during basement assembly. They participate in annual Partner Days and quality training.

Scale indicators9 records

Recent moves6 records

Expansion highlights7 records

Broad incumbents

• Holcim: Global leader in building materials and concrete, with a growing presence in lower-carbon and precast solutions; comparable as a broad incumbent in the cement/concrete value chain that competes indirectly via alternative foundation systems and sustainable concrete offerings.
• FingerHaus: Established German prefabricated home builder with decades of experience; comparable as a major house-building brand that bundles foundation/basement decisions with home sales, directly influencing demand for prefab basement suppliers like Glatthaar.
• WeberHaus: One of Germany's leading prefabricated house builders and an explicit long-standing partner of Glatthaar Keller; comparable as a large-scale prefab home player whose specifications drive downstream demand for prefab basements and floor slabs.
• Heidelberg Materials: One of the world's largest building materials groups (cement, aggregates, ready-mix concrete); comparable as a broad incumbent supplying the core raw materials (cement, ready-mix) that feed Glatthaar's precast production.
• DFH Haus: German prefab home manufacturer distributing multiple house brands; comparable as a key channel partner in the same value chain, with overlapping end customers (German Baufamilien) and integrated prefab construction processes.
• CRH plc: Global building materials group with significant European concrete and precast operations; comparable as a large diversified incumbent with adjacent precast concrete capabilities targeting overlapping residential and commercial construction customers.

Direct peers

• Knecht Betonwerk: German precast concrete manufacturer producing custom concrete elements for residential and commercial construction; comparable as a regional supplier of bespoke precast components used in foundation and basement construction.
• KLEBL GmbH: German precast concrete producer with a broad portfolio of structural and architectural concrete elements for commercial, industrial and residential projects; comparable as a vertically integrated precast competitor with similar customer base among contractors and developers.
• Weckesser Bau GmbH: German family-run construction company active in residential basement and foundation construction, overlapping directly with Glatthaar Keller's core prefabricated basement offering in the German single-family home market.

Others

• Beton-Fertigteil-Union (BFU): Schramberg-Waldmössingen-based precast concrete producer (hollow walls, element ceilings, solid walls, stairs, special parts) acquired by Glatthaar Gruppe in April 2026; included as a now-wholly-owned subsidiary that previously operated as a comparable regional precast peer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/glatthaar1
• Facebookfacebook.com/glatthaarUK
• LinkedInlinkedin.com/company/glatthaar-keller-gmbh-co-kg
• Instagraminstagram.com/glatthaar_keller
• Xx.com/glatthaar_uk

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries11 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Glatthaar Keller