Karpeo · Business in Switzerland
Real estate agent fees in Switzerland: costs paid by the seller
“Fees payable by the seller” identifies who pays the estate agent. It does not mean the sale has no other costs. Before signing, check the commission, VAT, payment conditions and the amount you will retain after debt repayment and tax.
By Sarah Prieur · Swiss certified public accountant
What does “fees payable by the seller” mean?
The seller pays the estate agent’s remuneration in accordance with their brokerage agreement. These fees reduce the proceeds the seller keeps. They do not eliminate the other costs, taxes or obligations associated with a sale.
In Switzerland, the starting point is the brokerage mandate and the terms agreed with the agent. Advertising conventions and rules used in another country should not automatically be applied to a Swiss transaction.
The property price, the agent’s remuneration and the buyer’s acquisition costs are separate items. Their allocation should be clear in the contractual documents and the transaction statement.
The useful question for a seller is therefore broader than “What percentage does the agent charge?” It is: “How much will I retain after all fees, taxes and loan repayments?”
How are estate agent fees calculated?
The agreement may provide for a percentage of the sale price, a fixed fee or a combination. A minimum charge, tiered fee or additional expenses may also apply.
There is no uniform statutory commission of 3% for all Swiss property sales. A commercial practice, a negotiated offer and a legal requirement are different things. Record the remuneration clearly instead of relying on a general claim about “the usual rate”.
Example: a 3% commission before VAT
Assume a sale price of CHF 1,200,000 and an agreed commission of 3%, excluding VAT. In this illustration, the agent is VAT-registered and the service is subject to the Swiss standard rate of 8.1%.
| Calculation | Amount |
|---|---|
| Commission before VAT: CHF 1,200,000 × 3% | CHF 36,000 |
| VAT: CHF 36,000 × 8.1% | CHF 2,916 |
| Total agent fee including VAT | CHF 38,916 |
| Sale price less these fees only | CHF 1,161,084 |
CHF 1,161,084 is not yet the final net proceeds. Mortgage repayment, possible early repayment charges, other transaction costs and property gains tax must still be considered.
The example does not describe 3% as an average or recommended fee. It shows how to read an offer expressed before VAT.
Compare offers on the same basis
A fee of 3% excluding VAT is different from 3% including VAT. Check whether the calculation uses the final sale price or another amount defined in the agreement.
For a fixed fee, establish which services are included. Photography, advertising, visits, specific reports or additional administrative work may be charged separately. Additional expenses should be quantified or subject to an agreed limit.
When does the commission become payable?
The Swiss Code of Obligations governs brokerage agreements. Under the basic statutory rule, the agent earns remuneration when their introduction or negotiation leads to the conclusion of the intended contract. The connection between the agent’s work and the transaction can therefore be decisive.
If the contract is subject to a condition precedent, Article 413 provides that remuneration is due only once that condition is fulfilled. The type of engagement, agreed terms and circumstances still need to be reviewed.
Do not assume that commission always becomes due at the first viewing, or that it can only become due when the keys are handed over. Ask which event triggers payment and how it is evidenced.
What if the sale falls through?
No sale does not necessarily mean no expense. If reimbursement of the agent’s expenses has been agreed, those expenses may remain payable even when the transaction is unsuccessful.
Conversely, work performed does not always entitle the agent to a success commission when its conditions have not been met. The nature of the agreement and its clauses matter.
What if an introduced buyer returns after the mandate ends?
The end of the mandate does not settle every commission issue. A later sale to a buyer introduced by the agent may raise questions about causation and contractual terms.
Keep a record of introduced contacts, visits and correspondence. This helps establish how the sale arose. A disputed commission requires legal examination of the actual file; a generic online rule cannot resolve every contractual variation.
Which clauses should you check before signing?
The mandate should identify the property, services, duration, remuneration and termination arrangements. Material promises made in conversation should appear in the signed documents.
| Clause | Question to ask |
|---|---|
| Price and negotiating authority | Can the agent only relay offers, or make commitments on my behalf? |
| Exclusivity | Can I sell directly or use another agency, and with what consequences? |
| Remuneration | What rate or fixed fee, calculation base, VAT and minimum charge apply? |
| Additional expenses | Which costs remain payable without a sale, and is there a cap? |
| Duration and termination | When does the mandate end, and which obligations survive? |
| Payment terms | What triggers the invoice and which supporting documents accompany it? |
Understand exclusivity
An exclusive mandate may support a sustained marketing effort, but restrict the seller’s options. The consequences of a direct sale or the appointment of another agent should be explicit.
Do not assume that every provider uses “exclusive” or “non-exclusive” to describe identical terms. Read the actual agreement.
Identify whose interests are represented
Ask whom the agent represents and what remuneration they receive. Acting for multiple parties can create conflicts of interest and legal consequences depending on the circumstances.
Article 415 addresses loss of remuneration and expense reimbursement where the agent breaches the relevant duties or good-faith requirements. Written disclosure of roles and payments is useful, but does not replace examination of the applicable rules.
How do fees affect tax and net sale proceeds?
The fees reduce the cash retained by the seller. They may also affect the calculation of taxable property gains, subject to cantonal rules and eligibility conditions.
Geneva’s tax administration illustrates the relevant sale value after deducting an eligible brokerage commission. Keep the mandate, invoice and proof of payment, and check the deduction conditions.
A tax deduction is not a full reimbursement. It reduces a tax calculation base; the resulting saving depends on the applicable taxation.
Taxable gain is different from cash received
A taxable property gain compares values determined under tax rules. Net cash proceeds also reflect the outstanding loan repayment. Repaying mortgage principal is not treated in the same way as a deductible acquisition cost when calculating the gain.
Two owners selling equivalent properties at the same price can receive different cash balances because their remaining mortgages differ. Their taxable gains do not necessarily differ in the same proportion.
The canton, ownership period and nature of the transaction also matter. A private property sale should not automatically be treated like a professional property trading activity.
The buyer may still have separate costs
Seller-paid brokerage does not mean the buyer has no notarial, land registry, financing or transfer costs. Their existence and allocation depend on the canton and the contract.
Do not import French formulas about notarial fees being calculated on a “net seller price” without checking the Swiss transaction. For the wider financial picture, see our articles on property investment in Switzerland and calculating property returns.
How should you compare brokerage proposals?
Request a written description of the service, fee and timetable. Compare the included work, knowledge of the relevant market, marketing approach and proposed reporting.
A lower commission does not ensure better net proceeds if the achieved sale price or transaction terms are less favourable. A higher commission does not by itself prove that the service will create more value.
Prepare an estimated completion statement
Start with a prudent sale price. Deduct VAT-inclusive brokerage fees, other costs, financing repayments and estimated tax. Separate confirmed amounts from estimates.
Also model a lower sale price or longer marketing period. Interest, charges and holding costs continue while the property remains unsold.
Keep a complete transaction file
The documents may be needed for both the property gains declaration and the annual tax return. Include them in your tax records checklist.
For overseas property, examine local rules separately. Our article on buying property abroad as a Swiss resident explains why transaction terminology and costs cannot automatically be transferred between countries.
Frequently asked questions about seller-paid agent fees
Who pays the agent when the fees are payable by the seller?
The seller bears the agent’s remuneration under the agreed mandate. The wording does not determine every other transaction cost, which must be checked separately.
Is a 3% commission compulsory in Switzerland?
No. There is no single statutory 3% rate for all Swiss property sales. Check the agreed fee, calculation base, minimum charge, included services and VAT.
Does the advertised percentage include VAT?
Not necessarily. Offers may quote a fee before VAT or including VAT. The agreement and invoice should make the final amount and applicable VAT treatment clear.
Can fees be payable if the property is not sold?
Yes. Agreed reimbursable expenses may remain payable even if the transaction fails. A success commission and expense reimbursement do not necessarily have the same conditions.
Can the commission reduce taxable property gains?
It may be taken into account under the relevant cantonal rules and eligibility conditions. Keep the supporting documents. A tax deduction does not reimburse the full commission.
Sources and references
Sources checked on 10 October 2026. The figures are illustrative. Contractual terms, cantonal tax rules and individual circumstances may require a separate assessment.
About the author
Sarah Prieur
Sarah Prieur is a Swiss certified public accountant, a partner and head of operations at Karpeo. She supports businesses, self-employed professionals and entrepreneurs with accounting, tax and VAT matters. Before joining Karpeo, she spent eight years in financial audit at PwC Switzerland, progressing to manager.
Read more about Sarah Prieur →