What Spenner does

Spenner is a family-owned German construction materials manufacturer headquartered in Erwitte, North Rhine-Westphalia, founded in 1926 and operating across three legal entities: Spenner GmbH & Co. KG (parent company producing cement, lime, and dry mortar at the Erwitte site), Spenner Herkules GmbH & Co. KG (ready-mix and special concrete, concrete pumping, and concrete-technology consulting), and Spenner Syston GmbH (precast concrete elements including columns, beams, TT-ceilings, wall and sandwich panels, and custom components produced at Bielefeld). The group's product portfolio covers the full construction materials supply chain — from upstream cement, lime, and dry mortar production to downstream ready-mix and precast concrete elements — supported by an integrated subsidiary structure that enables cross-selling across cement, ready-mix, and precast categories. Customers are construction companies, builders, and contractors operating in residential, commercial, and infrastructure construction (Hoch- und Tiefbau), served via direct sales, on-site delivery, technical consulting, and a dedicated B2B order portal (mein.spenner-zement.de).

The underlying technology is conventional cement and concrete manufacturing, differentiated primarily by the natural geological composition of limestone-marl at the Erwitte site, which is described in company materials as uniquely suited for cement production — an advantage that is not replicable at other locations. Spenner holds four ISO certifications (DIN EN ISO 9001, 14001, 45001, and 50001) covering quality, environmental management, occupational health and safety, and energy management. Pricing is not publicly disclosed; products are sold under standard and custom formulations, with distribution limited to the German market through direct delivery from regional production sites. No external institutional ownership, fundraising, M&A activity, or AI/ML capability is disclosed in the available materials.

Name

Spenner

Legal name

Spenner GmbH & Co. KG

Website

https://spenner-zement.de

Company type

Private

Founded year

1926

Operating status

Operating

Headcount range

101–250 employees

Short description

Spenner is a family-owned German construction materials manufacturer founded in 1926, producing cement, lime, dry mortar, ready-mix concrete, and precast concrete elements across three subsidiaries for construction industry customers in Germany.

Ownership category

akta.pro rank

Product category

Construction Materials Manufacturing

NAICS

Cement Manufacturing (327310), Other Concrete Product Manufacturing (327390)

SIC

Cement, Hydraulic (3241), Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Cement Manufacturing (Portland, Blended & Specialty) (IMADAAAG)

akta.pro secondary industry

Precast Concrete Products (IMADAAAB)

Keywords

• Cement manufacturing
• Construction materials
• Ready-mix concrete
• Precast concrete elements
• Lime production

Headquarters

HQ city

Erwitte

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Distribution channels3 records

Marketing channels3 records

Core offering

Spenner manufactures and supplies construction materials including cement, lime, dry mortar, ready-mix and specialty concrete, and precast concrete elements for the building industry. The company operates three specialized subsidiaries: Spenner (cement, lime, dry mortar production at Erwitte), Spenner Herkules (ready-mix and specialty concrete with delivery and pumping services), and Spenner Syston (precast concrete elements such as columns, beams, TT-ceilings, wall and sandwich elements).

Product overview

Spenner is a German construction materials group operating three divisions under distinct sub-brands. Spenner produces cement, lime, and dry mortar at its Erwitte headquarters. Spenner Herkules delivers ready-mix and specialty concrete with pumping services and technical consulting. Spenner Syston manufactures precast concrete elements including columns, beams, TT-ceilings, wall and sandwich panels, and custom components. The company also operates an online customer order portal. The portfolio covers the full construction materials supply chain from raw production through finished precast elements, serving high-rise, civil, and engineering construction sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Spenner Herkules: Transport and special concrete products - mixed precisely and delivered on-time for construction projects
• Spenner Syston

Products and services

• Cement (Zement) Versatile cement products for high-rise, civil, and engineering construction; standards-compliant, reliably and sustainably produced from locally sourced limestone-marl at the Erwitte facility.
• Lime (Kalk) Quality lime for construction, industry, and environmental protection applications, precisely matched to the respective use case.
• Dry Mortar (Trockenmörtel) Factory-mixed dry mortar for safe processing and consistent quality on construction sites.
• Ready-Mix Concrete (Transportbeton) Fresh concrete solutions delivered on time and individually tailored to project requirements, produced and distributed by Spenner Herkules.
• Special Concrete (Spezialbeton) Specialty concrete formulations for specialized construction applications, produced and distributed by Spenner Herkules.
• Concrete Pumping Services (Betonförderleistungen) Concrete pumping and delivery services for construction sites, provided by Spenner Herkules.
• Concrete Technology Consulting (Betontechnologische Beratung) Expert consulting services for concrete technology and application, supporting customers with specialized concrete solutions.
• Precast Columns (Stützen) Precast concrete columns for structural applications, manufactured by Spenner Syston.
• Precast Girders (Binder) Precast concrete girders for construction projects, manufactured by Spenner Syston.
• Precast Beams (Balken) Precast concrete beams for various structural applications, manufactured by Spenner Syston.
• TT-Ceilings (TT-Decken) TT-shaped precast concrete ceiling elements, manufactured by Spenner Syston.
• Wall Elements (Wandelemente) Precast concrete wall elements for efficient construction, manufactured by Spenner Syston.
• Sandwich Elements (Sandwichelemente) Insulated sandwich panel elements for walls and facades, manufactured by Spenner Syston.
• Custom Special Components (Sonderbauteile) Custom-designed precast concrete components for specialized construction requirements, manufactured by Spenner Syston.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• Schwenk Zement: Schwenk Zement is a family-owned German cement manufacturer headquartered in Ulm, operating integrated cement plants and ready-mix concrete supply. It is one of the closest direct peers to Spenner in terms of family ownership structure, German regional cement production, and Mittelstand positioning.
• Holcim Deutschland (Aggregate Industries / Holcim DE): Holcim's German subsidiary operates cement terminals, ready-mix plants, and aggregates quarries across Germany. As a country-level competitor with overlapping product portfolio (cement, ready-mix, specialty concrete), it is a direct peer for Spenner in the German market.
• Opterra (CRH subsidiary) / Wismar / Karsdorf cement plants: Opterra (formerly part of CRH's German cement activities) operates cement plants at Karsdorf and Wössingen in Germany. As another German-domestic cement producer competing for similar construction-industry customers, it is a relevant regional peer for Spenner.
• Dyckerhoff (Buzzi SpA): Dyckerhoff, a subsidiary of Italian-listed Buzzi Unicem, operates multiple cement plants across Germany and supplies ready-mix concrete and special binders. It directly competes with Spenner in the German cement and downstream concrete markets.

Broad incumbents

• Holcim: Holcim is one of the world's largest cement and aggregates producers with German operations supplying cement, ready-mix concrete, and precast. As a global incumbent pushing aggressively into green cement and ECOPact-style low-carbon products, it sets the competitive benchmark Spenner must meet on sustainability.
• CRH plc: CRH is a leading global building materials group with significant European cement and concrete operations, including in Germany. It is a broad incumbent comparable to Spenner across cement, ready-mix, and precast, though at vastly greater scale and geographic diversification.
• Titan Cement Group: Titan Cement is a multinational cement and building materials producer with operations across Southeastern Europe, Egypt, and the US. It is comparable to Spenner as a mid-to-large integrated cement and ready-mix producer, though it does not serve the German market directly.
• Heidelberg Materials: Heidelberg Materials is the world's largest German-headquartered cement and aggregates producer, with extensive operations in cement, ready-mix concrete, and precast. It is the dominant scaled incumbent in Spenner's home German market, competing for the same construction-industry customers with a much larger portfolio.
• Cemex: Cemex is a global cement, ready-mix concrete, and aggregates producer with European operations. While less concentrated in Germany than other peers, it competes in the broader European cement and concrete products space relevant to Spenner's specialty concrete and precast categories.
• Buzzi Unicem: Buzzi Unicem is an Italian-headquartered multinational cement producer whose German subsidiary Dyckerhoff makes it a direct overlap with Spenner's German cement and ready-mix activities. It is a relevant comparable for scale, vertical integration, and European regulatory exposure.

Market position

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries2 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 Spenner