Tax aspects of selling an SME in Switzerland: what every business owner needs to know

Introduction: tax and SME sales, an often underestimated issue

Selling your business is one of the most important decisions in an owner-manager's life. Yet many focus on the valuation or the search for a buyer while neglecting an aspect that is nonetheless decisive: the tax treatment of the sale.

In French-speaking Switzerland, the tax framework applicable to the sale of an SME can vary considerably depending on the legal structure chosen, the seller's status and the decisions taken ahead of the transaction. Poor anticipation can significantly reduce the net proceeds of the sale. Conversely, rigorous planning often makes it possible to optimise the outcome in an entirely legal way.

This article gives you an overview of the main tax issues to understand before selling your SME in Switzerland.

The capital gains exemption on shares: a major Swiss advantage

One of the most remarkable strengths of the Swiss tax system for sellers is the exemption from tax on private capital gains. In practice, if you hold the shares of your SME as private assets and sell them, the gain realised is in principle not taxable at either federal or cantonal level.

This is a considerable advantage compared with many neighbouring countries, and it is often one of the reasons why Swiss SME owners prefer to sell the shares rather than the assets of their business.

The conditions for benefiting from the exemption

This exemption is not automatic. It applies only if certain conditions are met:

• The shares must be held as part of the seller's private assets, not as business assets.
• The seller must not be classified as a professional securities dealer by the tax authorities.
• The sale must not amount to a disguised liquidation or an artificial transaction designed to turn taxable income into a capital gain.
• The holding period and the nature of the seller's activities may influence the tax assessment.

It is therefore essential to document your personal situation properly and to consult a tax law specialist before any transaction.

Share deal vs asset deal: two structures with very different tax consequences

The legal structure of the sale is one of the first choices to make, and its tax implications are considerable. There are two main options:

The share deal: selling the shares

In a share deal, you sell your shares directly to the acquirer. The company continues to exist with its assets, contracts, debts and commitments.

For the seller, this is generally the most tax-efficient structure, as it may benefit from the private capital gains exemption described above. For the buyer, however, it means taking on all of the company's historical risks.

The asset deal: selling the assets

In an asset deal, it is the company itself that sells all or part of its assets (machinery, inventory, customer base, patents, etc.) to the acquirer.

The tax consequences for the seller are far less favourable here:

• The gain realised at company level is subject to corporate income tax (around 12 to 20% depending on the canton).
• If the funds are then distributed to shareholders as a dividend, they may be subject to withholding tax (35%) and to income tax in the hands of the recipient.
• The overall tax cost can therefore be significantly higher than in a share deal.

Yet it is sometimes the structure preferred by acquirers, as it allows them to take over only the assets they want and to amortise the goodwill. A price negotiation can then compensate the seller for the additional tax burden.

Pre-sale restructurings: anticipate to optimise

A successful business transfer is often prepared several years in advance. Certain restructuring operations can optimise the seller's tax position before the sale.

Buy-back of own shares

In some cases, the company can buy back its own shares before the sale, in particular to extract surplus cash from the business. This operation must nevertheless be handled with care, as the tax authorities may reclassify it as a taxable dividend distribution if it is not structured correctly.

Separating operations from real estate assets

SMEs frequently own real estate used for their operations. Before a sale, it can be wise to separate the property from the operating business, for example by creating a holding company or transferring the assets to a separate entity.

This separation makes it possible to value each component separately and to adapt the structure of the sale to the acquirer's expectations, while preserving the seller's tax interests.

Contributing the shares to a holding company

Another technique is to contribute the SME's shares to a holding company that you control before proceeding with the sale. If carried out correctly, this operation can be tax-neutral and make it easier to organise the transfer or the reinvestment of the sale proceeds.

Be careful, however: the Swiss tax authorities are vigilant towards arrangements that appear artificial. The so-called transposition rule may apply and trigger taxation if the conditions are not met.

Tax treatment of the selling owner's income

The tax treatment of the sale is not just about the sale price of the shares. Other financial flows linked to the transaction can have significant tax implications for the selling owner.

• Non-compete compensation: often provided for in sale agreements, it is generally taxable as ordinary income.
• Earn-outs: these deferred payments linked to the company's future performance may be treated differently depending on their nature (capital gain or taxable income).
• Shareholder loans: if you hold receivables against your company, their repayment must be carefully planned to avoid double taxation.
• Occupational pension: the capital accumulated in your pension fund can be optimised in the context of ceasing your activity.

Cantonal specificities in French-speaking Switzerland

As Switzerland is a federal state, corporate taxation varies from one canton to another. In French-speaking Switzerland, the cantons of Geneva, Vaud, Fribourg, Valais, Neuchâtel and Jura each have their own tax rates and particularities.

These differences can have an impact on:

• The effective rate of corporate income tax for the company being sold.
• The rules applicable to real estate gains if property is included in the transaction.
• Transfer taxes and stamp duties, which vary by canton.
• The availability of specific deductions or tax reliefs.

It is therefore essential to analyse the situation under the applicable cantonal law, in addition to federal law.

The importance of specialist support

Given the complexity of these issues, one thing is certain: trying to handle the tax side of a business sale on your own is risky. Mistakes can be costly, and some decisions taken too late can no longer be corrected.

Support from professionals experienced in business transfers will enable you to:

• Anticipate the tax implications from the preparation phase of the sale onwards.
• Choose the sale structure best suited to your personal situation and to the acquirer's.
• Carry out the necessary restructurings within the required timeframes.
• Secure your position with the tax authorities through advance tax rulings.
• Maximise the net proceeds of your sale in a legal and documented way.

Conclusion: anticipate to sell on the best possible terms

The tax treatment of an SME sale in Switzerland is a complex area, but it also holds real opportunities for well-informed business owners. The private capital gains exemption, the possibility of structuring the sale advantageously and the various pre-sale restructuring options are all levers to be used methodically and prudently.

The key to success lies in anticipation: the earlier you start preparing your sale, the more room for manoeuvre you have to optimise your position. Ideally, this thinking should begin three to five years before the planned transaction.

Are you considering selling your SME in French-speaking Switzerland? Do not hesitate to contact us for an initial confidential meeting. Our business transfer experts support you at every stage, from valuation to the signing of the sale agreement.