Merger Notification - Announcement according to § 10 Cartel Act
PORR Bau GmbH; rhtb Gruppe
BWB/Z-7252
On 02.03.2026 the Austrian Federal Competition Authority was notified of the following merger:
Planned purchase process
PORR Bau GmbH intends to acquire a majority of the shares in and sole control over rhtb: projekt gmbh, rhtb: bau service gmbh, rhtb: smart living systems gmbh, and in over rhtb: projekt de gmbh, Germany.
Affected economic sectors: Other building completion and finishing.
F - CONSTRUCTION F 43 - Specialised construction activities, F 43.3 - Building completion and finishing, F 43.35 - Other building completion and finishing
Deadline for bringing in an application pursuant to § 11(1) Cartel Act will end on 30.03.2026.
Entrepreneurs whose legal or economic interests are affected by the merger can bring in a written statement at the Federal Competition Authority or the Federal Cartel Prosecutor within 14 days from publication date.
Note: The intervening party has no right to a certain treatment of the statement and will not gain a party position.
Non-prohibition of the merger
The Federal Competition Authority and the Federal Cartel Prosecutor have not applied for examination of the merger by the Cartel Court. The standstill obligation (§ 17 (1) Cartel Act) ends with effect from 31.03.2026 .