MBB SE doesn’t have a registered office registered in Austria or Switzerland. The parent company MBB SE is located in Berlin, but all the locations of all its subsidiaries are actually located in Germany, the US, China, Poland, Greece and Italy.
It’s easy to get mixed up with an abbreviation used on a German corporate name; when you see “SE” in the name it means Societas Europaea; it is not an indication of location but the form of the legal entity that MBB is using as its corporate parent. MBB does have a subsidiary that manufactures winding machines for manufacturing electric motors, and that would be the first thing a buyer of transformers would probably come across.
Short response: MBB SE’s registered office is located at Kurfürstendamm 188, 10707 Berlin, Germany (telephone +49 30 844-153-30, request@mbb.com). There is no registered office for MBB SE in either Austria or Switzerland. Founded in 1995, MBB SE is a listed holding company, and not a producer of transformers. If you are looking for the company that specializes in winding technology, that is Aumann AG located in Beelen, Germany, which is predicted to earn €204 million in revenue and employ 773 staff in 2025.
Where the company is actually registered
Every single legal document that exists shows Kurfürstendamm 188, 10707 Berlin as their location. Every investor-relations document does show another location that has been stated as Joachimsthaler Straße 34, 10719 Berlin. While these locations belong to separate sections of Berlin, they both belong to the same corporate center, all in Berlin. You may reach them by calling +49 30 844-153-30, through fax at +49 30 844-153-33 and also by writing to them at request@mbb.com.
Publishing a registered address and a subsidiary list is the least interesting part of running a holding company, and the part most often got wrong in directories — the practice we follow on our own company page is the one worth copying.The Frankfurt Stock Exchange has been trading MBB SE since its predecessor’s initial public offering. At the moment, the business is listed in the Prime Standard. Up until March 2015, it was known as MBB Industries AG. It has been in operation since 1995 and calls itself a medium-sized family-owned business that uses both organic growth and mergers and acquisitions for development.
The group’s 2025 annual report does not have any mention of Austrian or Swiss entities. As at 31 December 2025, the consolidation included MBB SE and 44 companies, as the addresses located outside Germany belong to Aumann Winding and Automation Inc. based in Clayton, Missouri; Aumann Technologies (China) Ltd in Changzhou; Hanke Tissue in Kostrzyn, Poland; DTS Cloud Security MonEPE based in Athens; and Delignit Technologies Italia located in Cermenate, Italy.
Why Austria and Switzerland come up in the search
Three plausible reasons. All three have happened to somebody. The third is also why this article exists: a buyer who assumed a European address meant a European manufacturer, and then had to work out what the group actually sells. The transformer ratings involved are set out in where each transformer type sits in the power grid.
First is “SE” itself. The German company registers have many legal forms and the European Company seems like a Swiss or Austrian entity to anyone who has never seen it in a paper. However, it has nothing to do with these countries at all. The Societas Europaea is just a legal form.
Second is the DACH market in general. Germany, Austria, and Switzerland speak the same language in terms of engineering, have the same manufacturing plants, and, very often, are put together in suppliers´ databases. Hence, if any company name belongs to one of them, it can be found in a result together with the others.
Fourth is to note that the European equipment buyer can easily insert a company into the DACH sourcing table just because of it being listed in the exhibitors´ directory of some German exhibitions. Finding out the exhibition and the hall takes less than a couple of minutes, and often that is the only place where Austrian or Swiss associations appear.
The third possibility is really important if you are going to buy transformers: the Aumann AG, the parent company of this industry, produces equipment for winding electric coils of motors.
What MBB SE actually does
What is apparent here is that this company does remain a holding company and does not undertake production of transformers and switchgears. Thus, if you are here searching for a supplier, you would definitely agree that it is very important to distinguish this type of company from a manufacturer of transformers. The difference is in the expertise these two companies possess. Thus, if you reach the manufacturers of transformer products, you will be provided with transformer rating information, standards, testing schedule, while if you refer to a company holding transformer companies, an inquiry will be made regarding machines that produce coils instead of transformers. In 2025, it was noted that the company possessed 6 subsidiaries. Internal business of these subsidiaries can be grouped into 5 groups.
Aumann, in which the holding company possesses 47.81%, was listed on the Frankfurt Stock Exchange in 2017. It supplies special machinery and automated production lines for e-mobility and thus the business involves winding technologies applicable for electric motors, assembling battery module and packs, electrode coating and production of fuel cells. Another subsidiary, Friedrich Vorwerk, owns 44.26%, manages pipeline construction and coating business located in Tostedt. Delignit, with 56.11% share, is another holding company involved in production of wood-based materials and automotive interior systems from Blombeg. The fourth company is DTS IT, owned by 80% of shares and headquartered in Herford, involves in offering IT services and cloud security solutions in the market. Hanke Tissue manufactures tissue in Poland, and CT Formpolster controls foam components manufacturing in Löhne with 100% ownership.
The practical implication for transformer buyers is that it is not possible to obtain transformer quotes from any company from the group presented in this holding company. Thus, it is important for a transformer buyer to check other sources instead. Moreover, it is also important to mention that there are no holding companies in Austria or Switzerland in this holding company chain.
The subsidiary a transformer buyer should look at
Aumann is the name that fits the context. Get informed with the numbers before you get in touch.
In 2025, Aumann’s revenue was €204 million achieved through 773 employees. MBB purchased the first portion in 2012 when it bought Claas Fertigungstechnik and later renamed it MBB Fertigungstechnik in 2015. In 2015, the company merged with a company-winding firm, Aumann Winding and Automation Group, making it a combined IPO for Aumann in 2017. Branches of Aumann include Beelen (the office of registration), Espelkamp, Lauchheim, Limbach – Oberfrohna, Clayton, Missouri and Changzhou in China.
Why does a power transformer manufacturer care about this? Where winding is the place where coils are formed, the processes involved are needle winding, hairpin winding and impregnation, as well as the jaws that hold conductors while the machine winds thousands of times the coil. Aumann produces equipment for rotor and stator manufacturing, along with transformer winding. Once a coil exists, the rest of the transformer is conventional engineering, and the range a real transformer supplier quotes from looks like a cast-resin dry-type platform across the standard 6 to 10 kV distribution ratings.
When we put side by side in-house winding with purchasing wound assemblies, the most captivating number is the labor. The coil of a distribution transformer involves monotonous work with a lot of learning involved, making it an ideal operation to be replaced by automated machinery. The Windings like these are present in the majority of electric machines and in a considerable portion of transformer coils, which is important to keep in mind before making any specification further.
What MBB’s position looks like entering 2026
On 30th March 2026, the yearly report for 2025 was published, and it appears that the group has remained unchanged over the years and still includes six direct subsidiaries and 44 consolidated companies and has approximately 4,500 employees all across the group.
For a reader who came here looking for transformers, the practical contrast is with a company that builds them: an oil-filled unit for a 35 kV class installation is a different procurement exercise again, and the choice between that and a dry unit is set out in dry-type against oil-immersed. There is no indication in the MBB report of any plans of expansion by MBB SE, including expansion into the fields of power equipment manufacturing. Therefore a prospective customer for transformers arriving at the conclusion that MBB SE is a capital holding company dealing in winding machinery might as well find out more about the winding operations, however, they will have to source the transformer elsewhere.
What this means if you found MBB while looking for a supplier
In case you are looking for the combination of MBB SE and Austria or Switzerland because someone informed you about the presence of a supplier, you must treat it like an unverified information till you confirm the registered address of the company along with its VAT number. Company registries in Germany, Austria and Switzerland are kept in the public domain and any supplier who fails to provide these pieces of information within a short period of time must not be trusted.
In case you need to make a detailed inquiry about a transformer, you will have to focus more on the questions: which voltage class is required, which standard is followed, oil immersed or dry type, which test documentation is set to accompany the unit. The above four questions will determine whether the quote given to you is of any importance. For instance, in a situation of a dry type unit being provided for a room with 6-10 kV voltage as compared to using oil filled unit, the outcome must be based on the test, not the price.The naming and rating side of that is covered in what a kVA rating actually means, and a cast resin dry unit in the same room is a different product entirely.
Часто задаваемые вопросы
Does MBB SE have an office in Austria?
The registered office of MBB SE is located in Berlin, and there is no Austrian company in MBB’s list of consolidated companies in 2025. If one sees an Austrian address associated with MBB SE in the company directory, it is probably another company with a similar name.
Does MBB SE have an office in Switzerland?
No, for the same reason. The subsidiaries having registered addresses outside Germany include the United States (Clayton, Missouri), China (Changzhou), Poland (Kostrzyn), Greece (Athens) and Italy (Cermenate).
What does MBB SE manufacture?
The holding company does not produce anything on its own. Instead, it uses its daughter companies to produce winding machines, e-mobility production lines, pipeline construction and coating equipment, wood-based automotive parts, IT and cloud protection services, and paper goods.
Is MBB AG the same company as MBB SE?
Different circumstances. MBB SE is the parent of a publicly traded company. MBB AG was the former IT business, which was given a new identity as DTS IT and is 80% owned by the parent. Its registered office is in Herford, Germany.
How do I contact MBB SE?
By using the official contacts supplied by the group, one could write to Aumann at Kurfürstendamm 188, 10707 Berlin, Germany. For help, you can call at +49 30 844 153 30 or fax 49 30 844 153 33, also you can send an e-mail at request@mbb.com. The facilities of Aumann can be found at Dieselstraße 6, 48361 Beelen, Germany.
Ссылки
- MBB SE — corporate site, group structure, locations and investor relations
- MBB SE — Aumann subsidiary profile with locations, 2025 revenue and headcount
- Aumann AG — winding technology and e-mobility production lines
- VDMA — German mechanical engineering association, manufacturer and standards context for winding technology
- Frankfurt Stock Exchange — listing disclosures for MBB SE (Prime Standard, ISIN DE000A0ETQB4)
- VDE — German electrotechnical standards body referenced by European equipment practice
Заключение
In regard to MBB SE we can say that it is a holding company that is located in Berlin, Germany and which does not have any legally registered address in countries like Switzerland or Austria, plus, it also does not manufacture transformers. The only connection it has with the business of manufacturing of electric power appliances is through Aumann AG, which is the manufacturing company of winding technologies in Beelen and it is very interesting to consider in case one needs to manufacture coils.
In case the initial request was based on the analysis of the suppliers’ list, it is advisable to return back to the supplier to get the registered address and the VAT number of the SP. But if the initial inquiry was linked to the inquiry made for winding devices, no further inquiries should be made as so far you have worked with the appropriate company and the matter of transformer production has to be discussed separately.