What Grötz does

Grötz GmbH & Co. KG is a fourth-generation, family-owned German construction and building materials group headquartered in Gaggenau, Baden-Württemberg. Founded in 1904, the company operates 13 locations across Germany, France, Switzerland, and Poland with approximately 630 employees, providing end-to-end construction services including civil and road construction, railway construction, structural engineering, and turnkey building construction. The group serves both public sector clients (municipalities, federal ministries, Deutsche Bahn) and industrial/ commercial enterprises (Audi, Mercedes-Benz, Porsche, BASF, EnBW, dm-drogerie markt), executing projects ranging from small-scale works to multi-million-euro infrastructure developments (e.g., a EUR 29.5 million residential area development in Muggensturm).

The company runs a vertically integrated operating model. Through subsidiaries including MinERALiX GmbH (environmental technology and recycling), MinERALiX Sand und Kies GmbH (raw material extraction), AMA Bietigheim GmbH & Co. KG (asphalt production at 100,000+ tons/year), GRÖTZ Betonwerk GmbH & Co. KG and G.B. Garaże Sp. z o.o. (over 240,000 prefabricated concrete garages since 1962), and PontiFix GmbH (lightweight aluminum, GFK, and carbon-concrete bridges up to 36m spans), Grötz controls raw material extraction, processing, prefabrication, and on-site execution. Technology differentiation centers on the proprietary BSO/MK Oberbauform vibration-isolation railway system (minimum 50% / 6 dB reduction), MinERALiX recycling technology capable of processing 95% of incoming construction waste, and the GRÖTZ SMART BUILDING methodology combining Building Information Modeling (BIM), Lean Construction, drone surveying, and AI applications for model-based scheduling.

Grötz generates revenue through project-based contracts awarded via competitive public tendering and direct negotiation. Revenue streams span professional services (construction, environmental technology), hardware sales (asphalt, concrete, recycled building materials), and one-time product sales (prefabricated garages, modular room cells, bridges). Pricing is quote-based and not publicly disclosed. The company maintains an industry association footprint (GLCI, BVMB, ISTE, BU, VDBUM) and Lean Construction implementation partnership with REFINE PROJECTS AG. Ownership is fully family-controlled with no external institutional capital, no listed parent, and no public ticker.

Name

Grötz

Legal name

Grötz GmbH & Co. KG

Website

https://groetz-gruppe.de

Company type

Private

Founded year

1904

Operating status

Operating

Headcount range

11–50 employees

Short description

Grötz is a fourth-generation, family-owned German construction and building materials group operating 13 locations across Germany, France, Switzerland, and Poland, serving public sector and industrial clients with vertically integrated construction services, prefabricated products, and recycling technology.

Ownership category

akta.pro rank

Product category

Construction Services

NAICS

Structural Steel and Precast Concrete Contractors (23812), Poured Concrete Foundation and Structure Contractors (23811), Concrete Pipe, Brick, and Block Manufacturing (32733)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Concrete, Gypsum & Plaster Products (3270), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review) (IMAFAOAK)

akta.pro secondary industries

Rebar Fabrication & Reinforcing Products (IMADACAH), Mortar, Grout & Masonry Cements (IMADABAL)

Keywords

• Construction services
• Civil engineering
• Railway construction
• Building materials
• Environmental technology

Headquarters

HQ city

Gaggenau

HQ country

Germany

HQ region

Europe

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Project-based construction services including civil engineering, road construction, railway construction, structural engineering, and turnkey construction. Revenue generated through competitive bidding on public and private sector projects.
2. Building Materials: Production and sale of own construction materials including asphalt, concrete, and recycling materials. Vertical integration through own raw materials (gravel, sand, chippings) processed in own plants.
3. Prefabricated Concrete Products: Prefabricated garages (since 1962) and modular room cells. Over 240,000 prefabricated garages produced. Additional products include aluminum bridges and bicycle garages.
4. Environmental Technology Services: Certified disposal and recycling services through MinERALiX GmbH including earthwork depots, contaminated site remediation, land recycling, and material stream optimization.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Grötz is a fourth-generation family-owned construction group delivering civil engineering, road construction, railway construction, structural engineering, and turnkey building services across Germany, France, Switzerland, and Poland. The company also produces building materials (asphalt, concrete, recycled aggregates) through vertically integrated raw material operations, manufactures prefabricated concrete garages and modular room cells, and provides environmental technology services including construction waste recycling and contaminated site remediation via its MinERALiX subsidiary.

Product overview

Grötz is a construction and building materials group operating as a multi-brand portfolio. The core offerings consist of construction services (site development, civil engineering, infrastructure, building preservation, wood hybrid construction) and building materials production (asphalt, concrete, recycled materials). The group operates several specialized subsidiaries: G.B. Garaże produces prefabricated concrete garages (240,000+ units since 1962); PontiFix manufactures lightweight prefabricated bridges in aluminum, GFK, and carbon concrete (up to 36m spans); MinERALiX provides environmental technology and recycling services; and Südbecken handles transshipment and logistics. The portfolio also includes modular room cells, ready-mixed concrete, and concrete bicycle storage units.

Differentiator

Problem solved

Functional benefit

Brands

• GRÖTZ Smart Building: Brand initiative launched in 2017 to structure construction projects more cost-effectively using Lean Construction, BIM, and digitalization methods.
• MinERALiX
• PontiFix Leightweight Bridges

Products and services

• Construction Services (Bauen)

Quantifiable outcome

• 95% of incoming concrete and construction waste recycled into reusable materials
• +2 more outcomes

Named customers15 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered supporting and core.

• REFINE PROJECTS AGsupportingImplementation/ SI/ Consulting PartnerREFINE PROJECTS AG supports GRÖTZ in implementing Lean Construction methodologies through workshops, coaching, project work, and moderation. They assist in training employees on new project management approaches.
• German Lean Construction Institute (GLCI)coreStrategic or Co-development PartnerGLCI is a national platform established to promote the implementation of Lean Construction principles in Germany. GRÖTZ maintains membership to demonstrate commitment to Lean Construction as a future-oriented construction company.
• Bauwirtschaft Baden-Württemberg e.V.supportingOthersConstruction industry association providing permanent exchange of experience with other companies and construction industry representatives.
• Bundesvereinigung Mittelständischer Bauunternehmen e.V. (BVMB)supportingOthersNational industry association representing the economic, market, and competitive interests of medium-sized construction companies since 1964.
• Industrieverband Steine und Erden (ISTE)supportingOthersIndustry association representing the economic, environmental and raw material policy as well as technical interests of building materials industry members.
• Überwachungsgemeinschaft Bauen für den Umweltschutz e.V. (BU)coreOthersNationwide monitoring association certifying and supporting medium-sized companies in areas including landfill construction, land recycling and contaminated site remediation, earthworks and landscape construction, and environmental infrastructure construction.
• Verband der Baubranche, Umwelt- und Maschinentechnik e.V. (VDBUM)supportingOthersProfessional association representing construction industry professionals, providing forum for construction experts with members including both users and manufacturers of construction equipment.
• Beton MüllersupportingStrategic or Co-development PartnerPartnership with Beton Müller for development of concrete bicycle garages (Radbox). Jointly developed product allowing municipalities, companies, and construction projects to offer secure bicycle storage facilities.

Scale indicators11 records

Recent moves15 records

Expansion highlights5 records

Regional players

• Heijmans N.V. Dutch construction company with similar diversified services in civil engineering, building, and infrastructure. Comparable in mid-market European scale and multi-discipline construction focus, serving as a relevant peer from a neighboring market.

Direct peers

• BUNTE Bauunternehmung GmbH & Co. KG: German construction firm specializing in road construction, civil engineering, and infrastructure projects. Comparable in mid-sized scale, family/private ownership, and core service overlap in Tief- und Straßenbau.
• Goldbeck GmbH: Mid-sized German construction firm specializing in turnkey commercial, industrial, and logistics buildings with own prefab/system construction elements. Comparable in scale and customer base (industrial/logistics clients) to Grötz's Hoch- und Schlüsselfertigbau segment.
• Leonhard Weiss GmbH & Co. KG: Mid-sized German construction firm with comparable scope across road, rail, civil, and structural engineering. Operates own construction material supplies and is one of the closest direct competitors in the DACH construction market for projects of similar scale.
• Max Bögl Bauservice GmbH & Co. KG: German construction and prefab concrete specialist of similar size, with significant operations in structural engineering, building materials, and prefabricated components including modular construction — a direct analog to Grötz's integrated service portfolio.
• Peter Gross Bau Holding GmbH: Mid-sized German construction group with civil engineering, road construction, and rail capabilities. Already a JV partner with Grötz in SüdBecken Umschlag, demonstrating direct operational overlap in southwest Germany infrastructure markets.
• Köster GmbH: German mid-market construction firm with similar range of services including civil engineering, turnkey construction, and building materials. Comparable in size, family-owned background, and regional/multi-state German footprint.

Broad incumbents

• Ed. Züblin AG: Major German construction firm (Strabag subsidiary) covering structural engineering, civil engineering, and rail infrastructure. Competes with Grötz for large German construction contracts and represents the scale ceiling for mid-sized competitors.
• HOCHTIEF AG: Germany's largest publicly listed construction company with broad civil, infrastructure, and building services. Competes with Grötz on major public tenders but operates at substantially larger scale and global footprint, providing the upper-bound incumbent comparison.

Others

• Remex GmbH: German mineral recycling and construction materials company specializing in processing construction and demolition waste. Directly comparable to Grötz's MinERALiX environmental technology subsidiary in terms of recycling capabilities and circular-economy positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/groetzunternehmensgruppe
• LinkedInlinkedin.com/company/groetzgruppe
• Instagraminstagram.com/groetz_gruppe
• Xx.com/groetz_garagen

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries11 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 Grötz