Elevate Your Business

Optimal workspaces and comprehensive support for innovative business to work on the solutions of the future.

Elevate Your Business

Optimal workspaces and comprehensive support for innovative business to work on the solutions of the future.

Access Your Markets

A work environment that connects local benefits with global opportunities.

Access Your Markets

A work environment that connects local benefits with global opportunities.

Upgrade Your Workspace

Flexible, secure workspaces with comprehensive support and a variety of services

Upgrade Your Workspace

Flexible, secure workspaces with comprehensive support and a variety of services


The Coworking Space The 5th Floor offers a motivating and progressive environment that encourages young talent, supports them in the development of their visions and goals and helps them to succeed. This is where you get in touch with companies that are working on the solutions of the future.

  The 5th Floor Illustration: Eine neuartige Arbeitsumgebung

A New Work Environment

The 5th Floor offers a modern, high quality space, that fosters individual, as well as collaborative, productive working. Users are offered lockable cubicles and private offices, dedicated desks, and a flexible Coworking Space. Additionally, you have access to rooms for meetings, conference calls, and individual calls and can make use of offers for workshops and events.

Comprehensive Services

The 5th Floor is aimed at industry-specific innovation potential and growth opportunities for users. You can take advantage of mentoring offers and services that cover the entire life cycle of a business. An excellent connection to transport-networks and various additional services guarantee a flexible leisure time on site and an individual and agile work environment.

  The 5th Floor Illustration: Umfassende Services
  The 5th Floor Illustration: Netzwerke und Kapital

Network and Capital

The proximity of The 5th Floor to the FHNW University of Applied Sciences and, in the Basel area, to the pharmaceutical and life sciences industry and its suppliers opens up interesting recruiting opportunities. Tenants gain access to additional office locations in the world's most attractive growth regions and to investors, banks, interesting partner companies and industry leaders, as well as to the most important Start-Up competitions.

The 5th Floor Orlando

A family-friendly Work Environment

Balancing work and family life is challenging and multi-faceted. This is why we have created the Family Card. Our card is designed to enable you to work and network flexibly and efficiently, especially in the new working environment following the COVID 19 pandemic - all in the same building!

With the 5th Club you will become part of The 5th Floor in the sitEX Powerhouse - the largest joint office in Switzerland and a unique innovation campus in Muttenz. The building houses a fitness center, a day care center , a canteen, further catering facilities (Felfel) and more than 440 parking spaces.

The 5th Club  sitEX Powerhouse


  The 5th Floor Illustration: Umfassende Services


The 5th Floor offers a comprehensive work space programme - from virtual office to flexible coworking desks to lockable private desks.

Social Square

Event Space + Seminar Rooms


Dedicated Desk

Private Desk

Multimedia Room - Podcast Setup

CO.LAB Space

Coworking Space


Covering 4000 square meters, we offer a wide range of spaces. In addition to our coworking and office space, we offer meeting and seminar rooms, a community laboratory, a project room and a multimedia room.

  Grundriss 5th Floor Basel

Coworking Space

We offer a variety of memberships from virtual office offers, over coworking desks and dedicated desks, up to private desks located in lockable glass cubicles.

1a.  Reception
1b.  Social Square
1c.  Coworking Space
1d.  Terrace

More Info

Meeting Space

The 5th Floor offers high-end, fully-equipped modern spaces for meetings, seminars, events, workshops and much more.

2a.  Meeting room “Basel"
2b.  Meeting room “Orlando"
2c.  Meeting room “Singapore"
2d.  Meeting room “Sydney”
2e.  Meeting room “Boston-Cambridge"
2f.   Seminar room “Zurich"
2g.  Seminar room “London”

More Info

CO.LAB Space

Since Q2 2021, we are offering a shared laboratory on The 5th Floor, which can be rented on a monthly or annual basis.

3a. Chemistry Lab
3b. Biology Lab
3c. Ice machine
3d. Autoclave
3e. Lab Waste Disposal

More Info

The Future Room

In addition to our meeting and seminar rooms we offer spaces for creativity.

4a.  The Future Room

More Info

Office Space 

As one of the largest private office- and commercial properties in Northwestern Switzerland, the sitEX Powerhouse offers a variety of rental spaces.

More Info

Common Spaces

5a.  WC-Facilities
5b.  Kitchen
5c.  Elevator


Pro-Working brings The 5th Floor's offering to the point: Our tenants choose workspaces and services tailored to their needs. Flexible and for a limited time, or including all services. (all prices are excl. VAT)

Virtual Office


Virtual Office














Isolated Phone Booths



Rooftop Terrace



Community Square



Personal Desk




24/7 Access










Business Address
Member Portal Access
Front Desk (Concierge)


Mail Handling

















Access Surveillance



Digital Access Control



Personal Locker




Lockable Cubicle





CHF 49.90

CHF 199

On request

On request

On request

Would you like to become a Member?

Included in our Offering

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Concierge Level Services

Receives guests, organizes office supplies and much more.

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High-Tech Meeting Rooms

First-class meeting rooms, that leave nothing to be desired. 

Events & Partys

Networking, Inputs und more thanks to a variety of events.

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Stay Safe

Entrance and important zones are camera-monitored.

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Snack & Stay Healthy

Fresh snacks and fruits in our Felfel fridge.

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Relax and calm down in our comfortable chairs.

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Coffee and water station: Hot, cold und sparkling!

  Icon Eat In

Eat in

Access to the canteen with afforable menu options.

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Shopping facilities on the ground floor - open all day on weekdays.

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High Speed Internet

Excellent Internet with secure connection and 99.95% uptime.

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Access to printer, copier and binding machine.

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Fly High

Drone landing pad on the roof (planned).

Our Partners


New organizational forms, innovation in the fields of workspace design, interior design, trends from the world of start-ups - our blog "Insights" keeps you up to date on the new forms of work and everything related to them.

Our Location

The 5th Floor in Basel-Muttenz is open!

Car / Bicycle

The 5th Floor is located at Hofackerstrasse 40 in Muttenz – right next to the University of Applied Sciences and Arts Northwestern Switzerland FHNW.

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Bus, Tram

The bus lines 47 and 63 go to the bus stop "Muttenz, Fachhochschule".

Tram no. 14 takes you to the stop "Muttenz, zum Park" – The 5th Floor is only a ten minute walk away.

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Muttenz station, with a direct, every half hour connection via the S1 to Basel, is in the direct proximity.