Your business center in Frankfurt.
Offices, meeting rooms and business addresses at six locations, from Ostend to Main Tower. More than 450 companies place their trust in us, from freelancers to international corporations.
Office, meeting room or virtual office

Offices and coworking
Furnished offices from single offices to team spaces, plus coworking desks. Wi-Fi, mail handling and full service.
Coworking from €199 per month
Meeting rooms
22 rooms for 2 to 100 people at five locations, by the hour from €29 plus VAT. Our team welcomes your guests and arranges the catering.
from €29 per hour
Virtual office
Your business address at Main Tower, on the Zeil or at one of our other locations. We receive your mail and forward it to you.
from €79 per monthCoworking space in Frankfurt
If a desk is all you need, rent one in our coworking space: at Main Tower, Aqua Tower, Tower 185, Junghof, Hauptwache or in Ostend. Want to try it first? With the day pass you spend a day working at Junghof for €29 plus VAT. Internet, utilities and drinks are included and our on-site team welcomes your guests. Need a door of your own? You'll find office space at all six locations: furnished offices for 1 to 50 people, from one month.
What our clients say
4.8 ★★★★★
156 reviews across all locations
- Main Tower4.9 stars · 26
- Aqua Tower5.0 stars · 1
- Tower 1855.0 stars · 31
- Junghof4.9 stars · 9
- Hauptwache4.9 stars · 33
- Ostend4.6 stars · 56
Excerpts from public Google reviews, as of October 2026. Reviews are shown in their original German.
Lino L.Junghof
★★★★★„Das Servicelevel hier ist hoch, geschmackvoll eingerichtet mit allen notwendigen Leistungen eine sehr gute Location um sein Geschäft voran zu bringen. Das Team und die Geschäftsführung ist jederzeit ansprechbar und unterstützt einen tatkräftig. Man sieht hier wieder, es ist etwas völlig anderes bei einem mittelständisch geführten Betrieb eingemietet zu sein als bei einem seelenlosen Großkonzern.“
Google review
Read 2 more reviews
Nico G.Main Tower
★★★★★„Ende März durften wir unsere Vorstandsklausur im Main-Tower austragen. Bei bester Skyline-View, erstklassiger Ausstattung der Räumlichkeiten sowie hervorragender Betreuung durch das Team … war das Tagungserlebnis einmalig.“
Google review
Aylin Y.Tower 185
★★★★★„Ich fühle mich hier wirklich sehr wohl. Die Lage ist super und besonders der Lobbybereich ist sehr schön und einladend gestaltet. Alles wirkt modern, gepflegt und angenehm. Was ich besonders schätze, sind die Mitarbeiter. Sie sind unglaublich lieb, herzlich und freundlich.“
Google review
Six locations, one team
From the 37th floor of Main Tower to parking right outside the door in Ostend: every location has its own character. Choose by area, height or how you get there. We take care of the rest.

Main Tower
At Main Tower since 2022, Neue Mainzer Straße 52-58, on the 31st and 37th floor. Offices, business addresses and four meeting rooms for up to 65 people.
Banking districtView location
Aqua Tower, FOUR Frankfurt
At Aqua Tower since 2026, Junghofstraße 9, on the 21st and 22nd floor in the heart of the banking district. Offices and business addresses, meeting rooms on request.
Banking districtView location
Tower 185
At Friedrich-Ebert-Anlage 35-37 since 2023, with seven meeting rooms on the 32nd floor since 2025, including Horizon for up to 100 guests. Plus offices and business addresses.
Messe / EuropaviertelView location
Junghof
At Neue Rothofstraße 13-19 since 2024, between Opernplatz and Goetheplatz. Offices, business addresses and four meeting rooms for up to 40 people.
Banking districtView location
Hauptwache
At Zeil 109 since 2018, a few steps from Hauptwache and Konstablerwache. Offices, business addresses and meeting rooms for up to 12 people.
City centerView location
Ostend
Our headquarters at Hanauer Landstraße 204, close to the A661 with parking at the building. Offices, business addresses and four meeting rooms for up to 50 people.
OstendView location

“We take it personally.”
Owner-managed since 2011, with no corporate headquarters in between. Our on-site team welcomes your guests, receives your mail and takes care of the details. Decisions are made in-house, so you get a quick answer.

Spacebase Awards for Excellence 2025
We won twice: the Award for Excellence and the Most Popular Award. That makes us one of the most popular meeting venues in Germany.
Frequently asked questions
Where are the k1 BusinessClub locations?
All six are in Frankfurt: Main Tower, Junghof and Aqua Tower in the banking district, Tower 185 by the trade fair grounds, Hauptwache on the Zeil and our first location in Ostend.
What is the minimum term for an office?
Terms start at one month and your office can be cancelled monthly if you wish. The offices are furnished, you only bring your laptop.
Can I book a desk for a single day?
Yes, with the day pass at Junghof for €29 plus VAT. You choose the day when you buy, pay by card and check in at reception from 9 a.m. The day pass is for companies and self-employed professionals.
Can I book a meeting room without a membership?
Yes. You can book our meeting rooms without an office or a membership, by the hour or for the whole day.
How much does a meeting room cost?
That depends on the room and how long you need it. Hourly rates start at €29, full days at €179, plus VAT.
Can I see the offices and rooms beforehand?
Yes. Book a tour using the form or call us at +49 69 8088 5599. On site we'll show you what suits you.
What is a business center?
A business center rents out furnished offices, coworking desks, meeting rooms and business addresses, with reception and service from a single provider. k1 BusinessClub has six locations in Frankfurt and has been owner-managed since 2011.
How much does an office in Frankfurt cost?
A private office starts at €590 per month in Ostend, a coworking desk at €199 at Hauptwache. All prices are net plus VAT, utilities included.
How much does a virtual office in Frankfurt cost?
From €79 per month in Ostend, plus VAT. With Comfort or Comfort plus you can register the address for the commercial register, your business registration and the legal notice on your website.
We'll call you back
Tell us briefly what you need: an office, a meeting room or a virtual office. We'll get back to you personally.
+49 69 8088 5599The form is loading. You can also reach us directly at +49 69 8088 5599.
We reply within one hour during office hours. We only use your details for this inquiry.