2025

Team of 22 experts

We are a balanced team (50/50 m/f)
with 22 experts:
Engineers, construction supervisors, construction engineers,
draughtsmen, secretaries, technicians, SiGeKo
and certified sewer rehabilitation consultants.

External specialists

for project areas in which very specific
expertise is required, such as structural
planners, ornithologists, landscape planners,
EMSR planners, fisheries specialists, etc.

Clients

Public sector and economy

Europe-wide tenders

Thanks to our »Planners in construction« QM certification and HPQR certification
, we are able to fulfil the high requirements of
Europe-wide tenders in a targeted manner
and at short notice.
Outstanding supra-regional projects have
already been won.

Complexity & communication

We are your partner for complex planning
and interface and professionals for
communication and project management
interdisciplinary construction teams.

Area

Hesse, Rhine-Main region, Giessen district,
Vogelsberg and neighbouring federal states

2017

35th anniversary

Celebration & lectures. Special commitment:
Initiation and promotion of STEM projects
at the Theo Koch School in Grünberg

1998

Conversion of the Ohlsen engineering office
into a limited liability company