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Hammersen is one of Europe's leading building specialists in the field of innovative roof and facade solutions for large-scale industrial and commercial construction. The company was founded in 1988 by engineer, Ludgerus Hammersen – out of a fascination for the economic and technical possibilities of systematic building with metal.

The excellence of our employees in this special construction discipline still sets our company apart today. As an independent, owner-managed family business with a long tradition, it is our aim to preserve this and to inspire our customers in future too with economical and high-quality solutions.


More than 1500 successfully completed projects stand for our increased expertise.


More than 50 highly specialised professionals are at your disposal at all times.


More than 30 years of experience is our secure basis for first-class results.

Efficient working methods and innovative solutions are the centre of our work. In this way, we ensure that every structure we work on receives the best solution, especially in terms of quality, safety and sustainability.

Our management is made up of the managing directors, Bernhard Lindemann and Lars Hammersen. Hand in hand with a specialised team, they dedicate themselves to the central task of creating the best conditions for an efficient, high-quality and sustainable way to carry out our construction projects. We attach great importance to perfectly linking all processes, from the first calculation and excellent execution through to acceptance. In this way, we ensure that every project is completed on time and within budget as well as in the best quality. For our customers this means building with economic and sustainable success.



Our employees are our strength and the most important source of our success. That is why our thanks, respect and appreciation go out to them. With their excellent expertise, their cross-industry experience, their quest for the best solution, and

their personal commitment, they shape our reputation and our ability to perform. In order to secure this special status for the future and to continuously improve it, we rely on consistent further training and qualification. Over

and above this we offer a positive working environment that enables motivation, satisfaction and creativity.


Sustainability at Hammersen has many dimensions. First and foremost, it is expressed in responsible corporate management based on values that not only focus on success, but also on the conditions under which it arises. We are aware of the fact that every action has consequences – for our employees, customers and partners. As a family-run business, this responsibility is particularly important to us. That is why we are certified according to AMS BAU (01/2015) and NLF/ILO/OSH-MS 2001 and have been carrying out accident-free installation work on roofs and facades throughout Europe for many years.

Our services and products.

For us, sustainable planning and construction means looking at each building individually and holistically. Every single building product influences the ecological quality of the entire structure. For almost all of the products we use, we can provide a scientifically sound data basis for the assessment of ecological building quality on the basis of internationally recognised Environmental Product Declarations (EPDs). All EPDs are certified according to EN 15894 and DIN EN ISO 14025. This allows sustainable projects to be realised with the aim of building certification according to, for example, DGNB, BNB, LEED or BREEAM.

Hammersen has been involved in various social projects as well as in the fields of culture and sport since the company was founded. In addition to donations, the voluntary commitment of our employees is essential for our social commitment.

We gladly encourage our employees to take this path together with us - to contribute to social interaction with open eyes and an upright gait. A good example is the project "Handschlag", in which, above all, our trainees enjoy participating regularly. With the help of Osnabrück companies, many tangible projects for disadvantaged children and adolescents have been implemented in recent years. The success of such work reinforces our attitude: society thrives on participation.

The reliability and financial soundness of our company has been confirmed for many years by the credit report, Creditreform, with the top rating of "excellent creditworthiness". In addition, since 2011 we have been rated by the Deutsche Bundesbank as "eligible". Hammersen as a business partner thus stands for many years of responsibility and security.

What sets us apart
  • Owner-managed family business
  • Quality
  • Reliability
  • Our team
  • Responsibility
  • Social projects

Have we been able to convince you with our attitude, our values and our history? We are very happy about that. We would like to count you among our customers and lead your project to success together with you. We look forward to hearing from you!