We are Fels.
We produce lime for life.

We have highly qualified employees, unique raw materials and state-of-the-art plants – this makes us one of Europe’s leading lime suppliers.

We produce lime, limestone and mineral mixtures – indispensable for a strong and sustainable economy.

We are a partner to the steel and building materials industry and numerous other sectors – particularly in the environmental field.

Facts & Figures

600

Employees

Locations

300

Million euro turnover

Kilns

Apprentices

4000000

tonnes of production

150 – 380

Millions of years of rock age

900 – 1200

We burn lime from natural limestone at these temperatures

1000000000

tonnes of deposits

Fels is part of SigmaRoc, a quoted lime and minerals group operating across the UK and Northern Europe. SigmaRoc specialises in lime, aggregates, industrial minerals, and value-added construction materials.

SigmaRoc operates through several regional platforms, each focused on operational excellence, sustainability, and local entrepreneurship.

Fels sits within the Central Region, which includes operations across Germany and neighbouring countries and focuses on lime and limestone products.

As part of the SigmaRoc group, Fels benefits from shared expertise, investment in innovation.

Learn more at: https://www.sigmaroc.com/

For financial information, visit SigmaRoc’s Investor Relations page.

Principles & values

We represent five strong values, act on an equal footing with our customers and take responsibility for our employees and the environment.

1. SAFETY FIRST
We protect and help each other. For us, there are no compromises when it comes to occupational health and safety and product safety.
2. ALWAYS BETTER, ALWAYS MORE SUSTAINABLE
We are working to continuously improve For our customers, employees, owners and for the environment.
3. KEEPING COMMITMENTS, LEADING WITH INTEGRITY
We comply with applicable law and work responsibly and ethically.
4. THINK GLOBALLY, ACT LOCALLY
We are part of an international group and are rooted in our locations. Both characterise our actions.
5. LONG-LASTING RELATIONSHIPS
We speak a clear language and are uncomplicated. We want good, lasting relationships – with our employees, customers and owners.

Portrait & company history

1938
Steine und Erden GmbH

The origins of Fels-Werke go back to Steine und Erden GmbH, which was founded in the Salzgitter area.
1950
Administration in Goslar

The administration moves to Goslar in the Harz Mountains.
1971
Fels becomes company name

In 1971, Fels-Werke GmbH becomes the official company name.
1991
Acquisition of Harz Kalk GmbH

After reunification, Fels-Werke – then a subsidiary of Preussag AG – acquired Harz-Kalk GmbH with sites in the Upper Harz and Thuringia.
1990s
Internationalisation and acquisitions

In 1993, Fels acquires shares in a lime plant in Lestina (Czech Republic), later the Rüdersdorf and Saal plants. The company is now the second largest lime producer in Germany.
2001-2005
Acquisitions and name changes

2001 Franz Haniel & Cie. takes over Fels-Werke. Parts of Haniel are renamed Xella International in 2005 – Fels is now part of Xella.
2008-2016
Acquisitions and name changes

In 2008 Goldman Sachs and PAI buy Xella International, in 2016 the investor Lone Star Funds takes over.
2017
Takeover by CRH

Since 2017, Fels has been part of CRH (Cement Roadstone Holding plc.) based in Dublin, one of the world’s leading manufacturers of building materials.
2024
Takeover by SigmaRoc

Since 2024, Fels has been part of SigmaRoc PLC, an up-and-coming, listed building materials group based in London. SigmaRoc operates at over 110 locations across Europe.

Management team

We represent strong values, act on an equal footing with our customers and thus take responsibility for our employees and the environment.

Dr. Lars Pfeiffer

Chief Executive Officer (CEO)

Learn more

Christian Schäfer

Chief Financial Officer (CFO)

“Fels, the employees and teams inspire and motivate me time and time again. Constantly new challenges and opportunities that we will successfully master together in the future!” Learn more

Locations

Hornberg

Saal an der Donau

Gillersheim

Rübeland

Münchehof

Goslar

Kaltes Tal

Großenlüder

Hornberg

The kilns at the Hornberg lime plant are used in particular to burn specific limes for the building materials industry. The high-quality raw stone is extracted in our own open-cast mine in Elbingerode. The plant is connected to the Fels Netz GmbH infrastructure.

Lime plant Hornberg
Hornberg 1
38875 Elbingerode (Harz)
Route planen
Saal an der Donau

In addition to the particularly high-quality limestone deposits, the Saal plant has excellent transport links. In addition to the road and rail links, there is also a connection to the Main-Danube Canal.

Lime plant Saal
Werkstraße 25
93342 Saal a. d. Donau

Shipping address:
Lime plant Saal
Haunersdorfer Str. 35
93342 Saal a. d. Donau
Route planen
Gillersheim

The lime works in southern Lower Saxony mainly produces specific dolomitic lime for the steel industry.

Lime plant Gillersheim
Steinberg 201
37191 Katlenburg-Lindau
Route planen
Rübeland

At our Rübeland site in the Upper Harz region, we have state-of-the-art kiln technologies that enable us to produce lime qualities with a wide range of reactivity. Over 60% of the lime products are transported in an environmentally friendly manner via the company’s own railway connection.

Lime plant Rübeland
Kastanienallee 4a
38889 Oberharz am Brocken
Ortsteil Rübeland
Route planen
Münchehof

Since 1938, high-quality limestone has been extracted at this site in the Winterberg open-cast mine and refined at the Münchehof plant. The company’s own railway connection makes it possible to transport even large quantities to the customer in an environmentally friendly way.

Lime plant Münchehof
Industriegebiet Münchehof
38723 Seesen
Ortsteil Münchehof
Route planen
Goslar

The head office of Fels-Werke GmbH has been located in the city of Goslar on the edge of the Harz Mountains since 1950. About 100 employees work here.

Fels Headquarter
Geheimrat-Ebert-Str. 12
38640 Goslar
Route planen
Kaltes Tal

In modern production facilities, the limestone extracted from our own open-cast mine is processed into specific burned and unburned products for a wide range of customer applications. The site has its own railway connection.

Lime plant Kaltes Tal
Kalte Tal 1a
38875 Oberharz am Brocken
Ortsteil Elbingerode
Route planen
Großenlüder

The site in Hesse is used as a terminal and specialises in lime products and lime-cement mixtures, which are used for soil improvement in civil engineering and road construction.

Lime plant Großenlüder
Am Kalkwerk 1
36137 Großenlüder
Route planen