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”

Opening of NIO Powerswapstation at Ladepark Kreuz Hilden

Burkhard Weickhmann, Peter Baer, Ferhat Karaca

First occupancy

Planning talks with Claas Ahrens

Downtown, Prinz Eugen Kasernengelände, Werksgelände, Olympic Park and BMW World

The seal of quality for the best employers – Standing out from 125,000 offices!

In 2022 we and our team will be successfully certified again.

A great day followed by a barbecue together.

Entrepreneur meeting 2022

Non-digital again after 3 years.

A great hike from Gruiten to Haan.

– with a positive view of the future –

Ladepark Hilden is waiting for the 3rd construction phase, IP Siebel is ready to go.

Handelshof Mönchengladbach

Complete renovation, one department after the other is completely modernized

IP Siebel – Ingenieurplan Siebel GmbH und ISR – Innovative Stadt- und Raumplanung GmbH

Nordstrasse Haan – new construction of 3 multi-family houses.

This year we were on an excursion in Münster.

Thanks for the great food!

Rostock specialist market under construction.

Architecture by IP Siebel

New construction of 3 multi-family houses.

Naber bakery in Bochum. Thank you for the cooperation with everyone involved in this project. Architecture by IP Siebel.

To support our team, we are looking for a committed architect (m / f / d) who will lead the planning office together with us in the transition to the 3D and BIM challenges in the future. You enjoy designing and planning with Revit and accompanying our draftsmen into the future of digital modeling....

To strengthen our 15-person team in Haan, we are looking for a site manager (f / m / d) for LP 6 – 9. You can expect an interdisciplinary team with complex projects. Do you enjoy project work? If you are open-minded and relaxed in dealing with customers, then we look forward to receiving...

Here we go!

Equipment time at Naber in Bochum

Hotel Remscheid

Our new coffee machine being tested.

Zoom meeting IP-Siebel.

Completely moved in.

The building permit is there. Start of construction in January 2021.

Architecture by IP Siebel

A big step towards digitization. The capmo software solution supports our construction management!

Mr. Jochen Siebel took part in a one-day introduction (eight hours) to the method and then with design thinking in small groups on the topic: “Impending desertification of the inner cities.” Design Thinking workshop on October 2nd, 2020, Organizer ISR: Innovative Stadt- und Raumplanung GmbH, Düsseldorf

Opening seed & greet, Hilden charging park.

11 family house in Haan.

Above the roofs of Düsseldorf.

It’s moving fast.

Barrier-free access to the Haan indoor swimming pool, design by IP Siebel

Dynamic facilitation at alten Pumpstation

Residential and commercial building as KfW 55 house that generates all of the energy it needs, calculated on an annual basis. In addition to photovoltaics, the waste heat from the bakery is also used.

Finally out of the dirt.

Completion of the facade of a 6 family house in Solingen.

Barrier-free access to the indoor pool Haan

Opening in a week.

It is making great strides.

With great weather and manpower, despite Corona, things are moving quickly.

Project control of technical building systems in the building automation, refrigeration and heat recovery in a cash & carry market leads to a low energy house standard.

Get out of the dirt, the ground floor is ready.

To strengthen our 10-member team in the old pumping station in Haan, we are looking for an architect for LP 1-7. An interdisciplinary team with complex projects awaits you. Do you enjoy the project work? Are you open-minded and relaxed in dealing with customers, then we look forward to receiving your application. Also as...

5 weeks before handover to the client.

Ingenieurplan Siebel GmbH wishes you happy Easter days. Stay healthy!

Things are also progressing quickly inside.

It continues here too.

Cash & Carry Markt Handelshof Rostock

Concreting work on the ceiling above the basement, progress is also being made here.

New multi-family house with 11 units in Haan.

New construction of a 6 family house in Solingen.

The corona virus and its consequences are currently the dominant topic. The crisis affects us all, both in private and in professional life with an unimaginable severity. We are following the rapid development of the last few days with great concern and take responsibility for our customers and employees very seriously. For this reason,...

Saturday, march 7th 2020 at 7:00 pm at Alten Pumpstation Haan. more…

Our student intern, Lukas K., after visiting the construction site. We thank Lukas for the great time!

Supercharger Hilden