Furnished serviced office in FOUR Frankfurt (Aqua Tower) – a flexible office in the banking district with conference rooms, fibre internet and 24/7 access, a few steps between Opernplatz and Goetheplatz.
Typical benefits & services in the Flex Office
.webp){kind=small}
.webp){kind=small}
.webp){kind=small}
.webp){kind=small}
.webp){kind=small}
Optional benefits & services
.webp){kind=small}
The k1 BusinessClub occupies over 2,200 m² in the Aqua Tower (T4) – one of Germany’s newest high-rise projects. The LEED Gold-certified green building combines skyline architecture with modern smart-building technology; floor-to-ceiling windows open up views across Frankfurt’s city centre. The location is scheduled to open in September 2026.
Available are furnished private offices from two-person rooms to entire floors, coworking spaces, phone booths and representative conference rooms. Fibre infrastructure, lounge areas and 24/7 access are standard. The owner-managed k1 BusinessClub (founded 2011) also provides access to its other Frankfurt locations – including Junghof, Tower 185 and Main Tower.
The spaces are commission-free and can be rented flexibly – from a single office to a complete team floor.
Junghofstraße 9 is in Frankfurt’s banking district, a few steps between Opernplatz and Goetheplatz. Around the FOUR ensemble, the Alte Oper, the shopping streets of Fressgass and Goethestraße and the towers of Deutsche Bank and Commerzbank shape the surroundings – an address that combines an office in Frankfurt’s banking district with the vibrancy of the city centre.
The Taunusanlage S-Bahn station (S1–S6, S8, S9) is about a 5-minute walk away, as is the Alte Oper underground station (U6, U7); the Hauptwache hub is just a few minutes on foot. Frankfurt Central Station is around 5 minutes by S-Bahn, and Frankfurt Airport about 15 minutes. An underground car park is available in the quarter.
- Law firms, tax advisors and family offices with representational needs
- Growing tech and consulting teams that need room to scale
- Corporate branches and temporary project offices
- Companies wishing to hold a business address in FOUR Frankfurt
- Teams seeking a serviced office in Frankfurt’s banking district with 24/7 access
Get free and commission-free advice on your search for flexible office space and coworking spaces.
Flex offices are very individual.
The price depends on location, duration, team size, location and many other details.
Here you can find more information about office costs 2026.
.svg){kind=small}
.avif)
.avif)
General questions about coworking spaces and flex offices
The most important answers about coworking spaces and flex offices at a glance.
Yes, in most cases, the offices in coworking spaces and flex offices are fully furnished and ready for immediate use. You can move in, open your laptop and get to work without having to worry about setting up or equipment first. Internet, cleaning and common areas are often part of coworking and flex office offerings; the specific scope depends on the provider and location. What exactly is involved depends on the respective provider and location. Above, you will find an overview of the typical benefits and services offered by this location.
Move-in is possible at fairly short notice. You can often move into an office within just a few days, sometimes within a few weeks. The decisive factor is whether suitable office space is currently vacant and how quickly coordination with the coworking or flex office provider works. Compared to traditional office rentals, this is significantly faster and easier because the offices are designed to move in quickly from the outset.
Coworking and flex offices are generally designed for flexibility. Depending on the provider and location, there are short minimum terms, monthly termination options or individually agreed contracts. This makes it easy to adapt office space to changing team sizes or new company phases without making a long-term commitment.
Yes, this is now a very useful option for many companies. Coworking and flex offices offer significantly more flexibility, less organizational effort and generally shorter contract terms than traditional offices. This is often the more relaxed solution, especially for growing teams, hybrid work models with lots of home office or companies that want to start quickly without making a long-term commitment. In many cases, it is also worthwhile to compare the costs more closely. This often shows that flex offices can also be financially attractive. Click here for a Case Study 2026 for an office with up to 20 workstations.
Get info & prices now
Fill out the form and receive a response with further information via email, usually within 24-48 hours.
CoWorking Capital is the comparison portal for flex offices and coworking spaces with personal expert advice. We help companies across Germany to clearly evaluate office offers, make well-founded decisions and find the right office.
