Commercial Security Deposits in Brandenburg: Rules and Investment

In contrast to residential tenancy, where § 551 BGB strictly limits and regulates the security deposit, German contract law grants a very large degree of creative freedom for commercial real estate. Landlords in Brandenburg can and must negotiate deposit conditions individually.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Have deposit clauses precisely reviewed in contracts by a specialized attorney. Information last verified: March 2026.

No Statutory Cap on Deposit Amount

The most important feature right away: In commercial tenancy law, there is no statutory upper limit of three net cold rents like in residential tenancy law. The amount of the deposit is freely negotiable and should reflect the landlord's individual default risk.

Common in practice are:

• 3 to 6 months' rent as standard for offices or established retail stores.
• Significantly higher amounts for special properties or start-ups lacking strong credit ratings.
• In commercial leases, the deposit is mostly calculated based on the gross rent (net cold rent + utilities + VAT), provided it is contractually defined as such. In residential spaces, only the net cold rent is the benchmark.

No Right to Installment Payments

Similarly, there is no statutory right in commercial leases for the tenant to pay a cash deposit in three installments. If installment payments are not explicitly approved in the lease agreement, the entire sum is due in one lump sum at the start of the tenancy.

If the commercial tenant fails to pay the deposit or does not pay it on time, this generally entitles the landlord (after an unsuccessful grace period) to an immediate extraordinary termination of the contract.

Landlord's Investment Obligation

While residential landlords are strictly obliged to invest the cash deposit separably from their assets and insolvency-proof, there is no explicit statutory obligation in the BGB for commercial leases.

Without a contractual agreement, commercial tenants therefore have no statutory claim that the deposit will bear interest or be invested insolvency-proof. The interest—lacking a legal regulation—does not automatically belong to the commercial tenant.

Practical Tip: Large institutional landlords nonetheless often contractually agree to the separate booking of the deposit and the interest issue to build trust.

Alternatives to Cash Deposits

Since commercial security deposits often reach considerable sums (five to six figures) and thus tie up company liquidity, alternatives to the classic cash deposit are frequently agreed upon:

1. Bank Guarantee (Bankbürgschaft): A bank provides a guarantee "upon first demand" (auf erstes Anfordern) in favor of the landlord. This means the bank pays the landlord in the event of a claim (e.g., loss of rent) without the legal path against the tenant having to be exhausted first. This is by far the most common deposit type in the Brandenburg commercial sector.
2. Deposit Insurance (Kautionsversicherung): A specialized insurer takes over the guarantee against payment of an annual premium.
3. Letter of Comfort (Patronatserklärung): In interconnected companies, the financially strong parent company ("patron") often gives a binding payment commitment for the obligations of the operative renting subsidiary.

Deduction and Return

Commercial landlords are obliged to return the securities after the end of the tenancy as soon as no secured claims exist anymore.

Since deposits in the commercial sector often also serve to secure against possible residual claims from utility cost settlements or the (frequently negotiated) dismantling obligations (Rückbauverpflichtungen), courts also grant the landlord an examination and consideration period of at least 6 months here, though often much longer.

Back to Commercial Tenancy Law in Brandenburg Overview.