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Setting up a shared office: Here’s what you need to bear in mind!

Setting up a shared office space means that several self-employed individuals or companies share office space without being linked by company law. The aim is to share costs, capitalise on synergies and create a professional working environment. However, a clear organisational and contractual structure is essential – otherwise, conflicts over costs, liability or use can quickly arise. 

Anyone wishing to set up a shared office arrangement should, above all, establish clear contractual arrangements, allocate costs transparently, clarify liability issues unambiguously and define organisational responsibilities. A shared office arrangement is not a company – it is a shared use of premises with a clear separation between the individual businesses.

What is a shared office?

A shared office arrangement exists when several legally independent individuals or companies share office space. Each remains economically and legally independent. 

Typical features: 

  • shared use of premises 

  • separate business operations 

  • no shared company name 

  • no joint liability for operational business 

This means that a shared office arrangement differs significantly from a civil law partnership or a professional partnership.

Aim and motivation: Why set up a shared office?

There are many reasons for sharing an office: 

  • Reduced rent and running costs 

  • A professional working environment rather than a home office 

  • Networking with other self-employed people 

  • Improved public image 

  • Shared use of infrastructure 

Start-ups in particular benefit from not working alone in separate rooms, but from sharing infrastructure and fixed costs.

Establishing a legal basis

A key aspect of setting up a shared office is the drafting of the contract. Even if all parties involved get on well, clear agreements should be set out in writing. 

Key points to cover: 

  • Who is the principal tenant under the tenancy agreement? 

  • Is there a subletting agreement? 

  • How are service charges allocated? 

  • Which areas are for exclusive use and which are for shared use? 

  • How long is the agreement valid for? 

  • What are the terms for termination? 

A lack of clear provisions often leads to disputes – particularly when a member moves out or fails to pay.

Ensure a transparent allocation of costs

A common source of conflict in shared office spaces is the allocation of costs. In addition to the basic rent, there are regularly other items of expenditure: 

  • Service charges 

  • Electricity 

  • Internet 

  • Cleaning 

  • Consumables 

  • Shared purchases 

Possible models: 

  • Allocation by square metres 

  • Equal allocation 

  • Individual billing for specific services 

It is important that the calculation method is transparent and documented.

Clearly separate liability

In a shared office space, each company remains responsible for its own liabilities. However, problems arise when the impression is given to the outside world that they form a single entity. 

Therefore: 

  • each company should have its own company sign 

  • each company should operate separately 

  • there be a clear separation of postboxes 

  • there should be no joint external presence if no company exists 

Any lack of clarity could lead to liability issues in the event of an incident.

Organisation in everyday life

As well as legal issues, day-to-day life determines the success of a shared office. 

Key organisational aspects: 

  • Use of meeting rooms 

  • Telephone etiquette 

  • Tidiness in communal areas 

  • Visitor policies 

  • Joint purchases 

A simple set of written house rules can help to avoid misunderstandings.

Public image and professionalism

A shared office should project a professional image to the outside world. Customers must be able to clearly recognise which company they are dealing with. 

Points to note: 

  • separate letterboxes 

  • clear signage 

  • separate invoicing 

  • clear legal notice details 

Professionalism does not mean presenting a united front, but rather working alongside one another in a structured manner. 

Arranging termination and withdrawal

One issue that is often underestimated is leaving a shared office. What happens if a member gives notice or is unable to attend? 

The following needs to be clarified: 

  • Who is responsible for paying the remaining rent? 

  • Are there any provisions for replacing members? 

  • How is shared equipment divided up? 

  • Are there minimum lease terms? 

The more clearly these points are defined, the more stable the shared office arrangement will remain.

Avoiding common mistakes

In practice, similar problems often arise: 

  • no written contract 

  • unclear allocation of costs 

  • joint public representation 

  • no provisions regarding termination 

  • emotional rather than objective decisions 

A shared office arrangement should be treated like a small organisational project – not as a purely informal arrangement. 

Shared office space in a business centre setting

Anyone wishing to set up a shared office space does not necessarily have to become the main tenant of a large premises themselves. In professional business centre set-ups, several companies can work side by side without having to organise complex tenancy arrangements themselves. 

At the COLLECTION Business Centre, companies benefit from: 

  • clearly separated units 

  • professional infrastructure 

  • flexible contract models 

  • organised reception and postal services 

This effectively creates a shared office space within a professional framework – but without any internal liability or organisational risks between the individual companies.

Distinction from co-working and office sharing

A shared office is not automatically a co-working space, nor is it a traditional office-sharing arrangement. Whilst co-working often relies on open-plan spaces and flexible daily use, and office sharing focuses more on shared workstations within a single company, a shared office consists of clearly distinct, independent companies that share premises. 

The organisational burden here falls more heavily on the parties involved themselves – particularly with regard to the tenancy agreement, cost allocation and liability issues.

Conclusion

Setting up a shared office space can make good financial sense and offer organisational benefits – particularly for the self-employed and smaller businesses. However, clear contractual arrangements, transparent cost-sharing, a clear division of liability and structured day-to-day processes are crucial. 

Those wishing to reduce the administrative burden can make use of professional business centre facilities such as the COLLECTION Business Centre. There, you can benefit from proximity to other businesses and a professional infrastructure without having to set up complex tenancy and organisational structures yourself.