Liebermannstraße / Campus21, 2345 Brunn am Gebirge
+43 1 36193 330


book now

book now

book now

book now

Hotel Rainers21

A smart stay - mobile check-in, online payment, invoice by e-mail and quick check-out. Quick, easy and stress-free.


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At a glance

The essence of a hotel with a smart guiding principle, modern design and community lifestyle. Straightforward, relaxed, digital and enough time for the important things.

casual & modern

174 rooms

smart & digital


italian fast-casual


community lifestyle


creative & flexible

6 Meeting Rooms

relaxed & sunny

150m2 terrace

hotel own

92 Parking spaces

directly located at


Welcome to the Hotel Rainers21

Dear guests and partners!

Finally! We are again open for you non-stop.

Reservations are of course possible at any time, it is best to book now directly on our homepage or by email at reservation(at)



The current health & safety measures at Hotel Rainers21:

  1. In general: Our guests have access to the hotel if they have been vaccinated, recovered or tested for Covid-19 (Antigen test for self-use | 24 hours valid, antigen test from test lane or pharmacy | 24 hours valid, PCR test | 72 hours valid).
  2. We are part of the "Alles gurgelt" initiative and test regularly for Covid-19. We will be offering our guests a Covid-19 antigen rapid test service in the hotel (extra charge). Pre-order required!
  3. With the "best flexible rate special" we offer you the greatest possible flexibility in your travel planning. They also allow short-term cancellations if you have to decide against your trip.
  4. We guarantee contact-free check-in at ARIANE, our self-check-in counter & check-out, by paying with credit card and invoicing by email.
  5. Our employees with guest-contact are obliged to wear masks, if they are not tested, vaccinated or recovered from COVID-19.
  6. Sanitizers are provided for free use in the public areas - we ask you to use them
  7. We implement the hygiene measures recommended by the World Health Organization (WHO): In addition, elevator buttons, handrails, door buckles and taps in our public areas are regularly disinfected by our specially trained employees.
  8. Room cleaning takes place on departure, but not during your stay. So we can assure you that no hotel employee will enter your guest room.
  9. Breakfast in our restaurant weekdays from 06:30 - 10:00 AM and weekends from 06:30-10:30 AM.
  10. We have created our own safety plan for our seminar guests.
  11. Ventuno restaurant is open from Mon - Thu until 09:00 PM.

All measures are of course continuously adapted to the current situation and the legal requirements. Information on the current measures can be found on the website of the Ministry of Social Affairs.

If you have any questions, you can reach Hotel Rainers21 at any time at rainers21(at)

See you soon at Hotel Rainers21! We look forward to you!

Werner Magedler

General Director, Rainer Hotels

The rooms

Smartly designed with modern furnishings and an affinity for the essential. All rooms are bright and fully air-conditioned and equipped with smart tv. Those seeking a contrast to community life in the lobby & bar will find an ideal place of retreat in the rooms for switching off or working in a quiet environment.

Room Features
  • Free Wi-Fi
  • Smart TV
  • Bathroom with shower
  • Safe
TÜV Austria Campus

Are you taking part in a course at the TÜV Academy? Spend the night at Hotel Rainers21 at special TÜV conditions. We are right next door.

More information at

T: +43 1 36193 330 


Meeting & events

6 fully air-conditioned meeting rooms flooded with daylight and in which the coffee break areas are integrated in a casual and creative manner. State-of-the-art technology and clever flexibility offer a framework for any event - from a small meeting to events for up to 200 people.


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6 meeting rooms


250 m2

Max. capacity

200 people

Room configuration


Integrated in the room

Coffee corner



Why book directly with us?

▶ Guaranteed best price

▶ No booking and credit card fees

▶ Special offers can only be booked through our website

▶ 5€ on the next reservation, when booking through our website


Book now