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The team

We are a family company and we set ourselves to help you realise your individual wishes and ideas and to realise your project efficiently, professional and with heart and mind. This is our team.

Erich Grubić 
Founder & Managing Director 


Natalie Grubić 
Head of Business Development 

Thi-Lanh Linden 
Key Account Manager

Irena Brodziak
Project Assistant

Carmen Kalla
Product Managerin

René Rentzsch 
Head of Marketing

Lena Karthausen
Junior Head of Marketing

Leandro Sanders 
Creative Director

Would you like to work for us? We are always looking forward to initial applications in all areas. Please send your application to .

Our showroom


Our new showroom in Tönisvorst is the perfect opportunity to demonstrate our competences in the areas of digital prints, object wall coverings as well as decorative and upholstery fabrics.

We offer you the opportunity not only to have a cup of coffee, but also to receive impressions from our exclusive and high-quality product portfolio.

In the renovation and furnishing we paid particular attention to the fact that the old fabric dyeing was not completely altered in its basic features, but to combine classical with modern accents.

Traditional way of working meets modern furnishings and thus forms the perfect symbiosis.





If you would like to find out more about our new showroom in Tönisvorst, please have a look at our Online-Magazine.

In all areas of the new showroom in Tönisvorst, we have exhibited and processed various products. In this process we have always respected the charm of the old building and tried to highlight it.

You can collect impressions of our digital prints in the welcome area, which shows the building before the conversion.

We also offer you the possibility to get to know different wallpaper materials, basic wallpapers and materials.


Our partners

Without the right business partners with exclusive and high-quality products, it is very difficult in this sector to carry out satisfactory projects with a high investment volume.

For this reason, our "Cooperation of Excellence" consists of perfect partners for product planning, procurement and processing in the object area.

Only our constantly growing pool of well-known companies makes it possible for us to create an individual design concept adapted to your wishes and ideas and to provide you with our all-around package consisting of consulting, planning and product procurement as well as expert installation and control.

Our long-standing and highly respected business partner for exclusive and high-quality digital prints and object wall coverings is the english company Muraspec. For many years, we as DG-Project Service PLC have been exclusive sales partner of Muraspec for Germany, Austria and Switzerland.

In the area of exclusive and high-quality decoration and upholstery fabrics, we work close together with Sekers, Alonso Mercader and Pytón.

In addition, we can always look forward to our close partner CTO Kleczka Sp. Z o.o. Sp.k. which is active in the area of digital prints.

We are constantly expanding this pool of trustworthy and reliable business partners in order to provide you with the best possible experience in the realization of your construction project in the hotel sector, marine area and shop building.

If you are interested in our products or if you have any further questions concerning our company, please do not hesitate to contact us.