Altensteig. In the 2025 financial year, the Boysen Group, with 5,100 employees at 30 plants worldwide, achieved sales of €2.4 billion. The balance sheet figures of the Altensteig-based foundation company were presented for the first time by Dr Till Scharf, who has been CEO and spokesman for the management board since mid-2025: "Despite the negative consequences of customs and exchange rate effects, as well as the dynamics within the German automotive industry, which also led to a decline in call-off figures for us in some cases, we achieved our planned results and set the course for new growth last year."
The decline in sales of around nine per cent compared to the previous year 2024 (2.64 billion euros) was already factored into the plans for 2025. Rolf Geisel, who shaped the company as CEO for over four decades and took over as chairman of the Boysen Group's supervisory board in mid-2025, had already accurately outlined this development a year ago: "2025 will be another year of expansion and investment for us, with a slight decline in sales," Geisel said at the time.
In addition to the core business of exhaust technology, the focus was deliberately on the transformation to new product groups such as battery cases and the massive expansion of production capacities. According to CEO Till Scharf, the Boysen Group has invested a total of almost half a billion euros in its future in the past three years alone: "More than ever before."
A large part of these record investments are due to the development of the new battery case business for electric vehicles. The new production plants required for this in Nagold (northern Black Forest) and Nyíregyháza (Hungary) commenced operations for customers Mercedes-AMG and BMW on schedule in spring 2025.
Meanwhile, exhaust technology is experiencing a massive revival, as demonstrated by the group's appearance at the 2025 IAA Mobility in Munich. "Now that many vehicle manufacturers have abandoned their 'electric only' strategy, exhaust technology is once again in high demand, also with regard to new development orders," says Scharf, adding: "The year 2025 has shown that the strategy of consistently pursuing and expanding our core business in order to generate funds for new business areas is the right one. This means we are currently benefiting from the flexibility to serve our customers at the highest level with both combustion engine and electric technologies. We will continue to consistently follow this path set out by Rolf Geisel." This will also involve expanding the workforce to around 5,300 employees in 2026.
Scharf is particularly pleased that "on this strong basis, we are in a position to once again show our appreciation for our workforce despite the general crisis mode in the industry by offering our employees a profit-sharing scheme for 2025. Compared to many of our competitors, who are currently having to undertake massive restructuring and cutbacks, this remains an important and essential feature of Boysen's corporate culture."
However, Scharf also clearly states that "it is only thanks to the outstanding results of our production plants in China and the USA that we are able to maintain this strong foundation and thus secure our jobs at our German plants in the first place." The profound political change that Rolf Geisel hoped for a year ago in the same place is still a long time coming, "which massively jeopardises the future viability of Germany as a former export nation."
Scharf and Geisel are also calling for a general reduction in bureaucracy with regard to Boysen's planned large-scale energy project in Simmersfeld. "In addition to our involvement in the implementation of one of the largest wind farms in Baden-Württemberg, we are also continuing to fight for the realisation of a hydrogen centre. Taken together, the wind farm, with an annual output of over 600 million kilowatt hours of green electricity, would be able to supply the entire region with completely climate-neutral energy. But to do this, we need fewer regulations and, above all, a new grid that is capable of distributing this electricity in," says Rolf Geisel.
The management and supervisory board of the Boysen Group are again expecting a significant increase in sales for the 2026 financial year. This is due, on the one hand, to the steadily increasing production volumes in the ramp-up of manufacturing of battery cases and, on the other hand, to the acquisition of further large-scale exhaust technology orders. One of the most notable of these is the order to manufacture hot ends for three Mercedes-Benz model series, which started last October at five Boysen production plants worldwide.
In addition, hopes for 2026 are pinned on the successful market launch of flow batteries from the Dortmund-based subsidiary Volterion. Once industrialisation has been successfully completed, the stationary energy storage systems can be mass-produced and interconnected in units for greater output: "Volterion thus offers genuine future-oriented solutions for energy storage in the megawatt range, as required in data centres, for example."
However, the fundamentally positive outlook for the current financial year is subject to further global political developments, particularly with regard to US tariff policy, further market developments in China and "the war in Ukraine, which will hopefully end soon".
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The core business of the Boysen Group, headquartered in Altensteig (Baden-Württemberg), is the development and manufacture of high-performance exhaust systems and components for passenger cars, commercial vehicles and off-highway applications. In addition to its three main customers, Audi, BMW and Mercedes-Benz, the exhaust technology specialist works for the German car manufacturers Volkswagen and Porsche, the British brands Bentley and Rolls-Royce, the commercial vehicle manufacturers Daimler Truck and MAN, and in the off-highway sector for Krauss Maffei, mtu, Voith and others.
The Boysen Group has been driving technological transformation forward since 2016. With new product groups such as battery cases, hydrogen tank systems, control elements and electronic components, the next chapter in the company's more than 100-year history is being written. Other components of the future strategy include the manufacture of energy storage systems (redox flow battery systems) and fuel cells, as well as basic and product development in the field of hydrogen technology.
The Boysen Group is a foundation-owned company and currently employs around 5,100 people at 30 plants in Germany and abroad. In addition to its development sites in Altensteig, Nagold and Simmersfeld, Boysen has production plants in Altensteig, Simmersfeld, Nagold, Heubach, Steißlingen, Salching, Ingolstadt, Plauen and Achim, as well as in France, Egypt, South Africa, India, China, Mexico, Hungary, Serbia and the USA.
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For further questions please contact:
Christian Grimm
Marketing Team Leader
BIN Boysen Innovationszentrum Nagold GmbH & Co. KG
Carl-Friedrich-Gauss-Str. 4
72202 Nagold
Tel. 07452/8408-200
Fax 07452/8408-8200
E-mail christian.grimm(at)bin.boysen-online.de
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