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

Stay smart - book directly

Guaranteed best price       

Early Check-In from noon

Late Check-Out until 01:00 PM  

-50% on parking space 
Only valid for bookings made on our website. Early Check-In only possible according to availability. All benefits can be selected under "extras".
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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Straight into your heart

We love you too! It is important to us that you feel comfortable with us, so we are grateful for any kind of praise and criticism, we will do our best to make you stay with us as perfect as possible.

From over 2.597 reviews our wi-fi, cleanliness, comfort and employees got over 9 point TOP reviews 

Find out here what else guests liked...

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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


direct booker goodies

Guaranteed best price       

Early Check-In from noon

Late Check-Out until 01:00 PM  

-50% on parking space
Only valid for bookings made on our website. Early Check-In only possible according to availability. All benefits can be selected under "extras".
learn more

We make your stay safe

Hotel Rainers21 is open 24/7 for you ;-)

For your stay there is no proof of vaccination, recovery or test for/from Covid-19 mandatory. Wearing an FFP2 mask will no longer be mandatory. We recommend wearing a mask depending on the situation where little distance is maintained.  

We have created our own safety plan for our seminar guests.

  • 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.
  • We guarantee contact-free check-in at ARIANE, our self-check-in counter & check-out, by paying with credit card and invoicing by email.
  • Sanitizers are provided for free use in the public areas - we ask you to use them
  • Room cleaning incl. towel change takes place every third day during your stay - towel supply at any time at the reception ;-)
  • Breakfast in our restaurant weekdays from 06:30 - 10:00 AM and weekends from 06:30-10:30 AM.
  • Ventuno restaurant is open Mon - Fri from noon - 02:00 PM and 5:30 PM-10:00 PM and Sat & Sun from 05:30 - 10:00 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