The shell of the Margaretenstrasse daycare center is growing quickly.

After 3 years of training, our trainee Lukas successfully passed his exam to become a draftsman. We wish you all the best for your future!

After 28 years in construction management at IP Siebel, our dear colleague Johannes Lorenzen is going into his well-deserved retirement. We wish him all the best and will miss him very much! Thank you Hannes😍

We would like to proudly and happily announce that Ingenieurplan Siebel has been recognized as an excellent employer in the field of “architecture and engineering offices”. This recognition is a testament to our ongoing commitment to creating an inspiring and supportive work environment. At IP Siebel, we work every day to promote and motivate...

Further training Urban land use planning at Alte Pumpstation Haan.

Thank you for the lovely birthday breakfast.

Even after Easter, work continues on our construction sites.

For 30 years, our team of 16 has been supporting exciting residential, commercial and retail real estate projects in building construction. We see our clients as partners with whom we develop and implement tailor-made solutions together. We are looking to further develop our team a dedicated construction manager for structural engineering (m/f/d), who will...

For 30 years, our team of 16 has been supporting exciting residential, commercial and retail real estate projects in building construction. We see our clients as partners with whom we develop and implement tailor-made solutions together. We are looking to support our team a dedicated architectural draftsman (m/f/d) who, together with us, accompanies the...

For 30 years, our team of 16 has been supporting exciting residential, commercial and retail real estate projects in building construction. We see our clients as partners with whom we develop and implement tailor-made solutions together. We are looking to support our team a dedicated architect (m/f/d) who, together with us, leads the planning...

In the listed stately park designed by landscape architect Weyhe, 49 high-quality condominiums with underground parking above the Düssel in Erkrath are being built. Large south-facing balconies offer a distant view over Erkrath and the park. The residents of the three residential buildings, surrounded by the old park walls and fences, will be able...

IP Siebel supports the Dutch Van der Valk Group in the development of the Hamburg-Wittenburg location by providing supervision for the overall project. The architecture comes from the Dutch office Kern from Roermond. The existing ski hall and the hotel from 2006 are to be expanded in the coming years to include a holiday...

Convention of the managing directors of “Alte Pumpstation Haan Network” in 2023 in Ardennes

Even in economically difficult times, we support our clients with the usual quality

BVMW on the topic of AI in Düsseldorf

Jochen Siebel at Expo Real in Munich

After more than 20 years, our team assistant and colleague Daniela Kaina is leaving us.

You have organizational talent and experience in accounting? You enjoy dealing with customers and enjoy working in a team? Then you are exactly right with us! We are looking for a part-time employee (m/f/d) in our front office to support our team in Alte Pumpstation in Haan on August 1st, 2023. Your tasks: Preparatory...

“Congratulations on passing the IHK exam to become a trainer for our draftsman”