Sole Trader vs GmbH in Switzerland: Tax and Admin Differences That Matter
The choice between operating as a sole trader (Einzelunternehmen) and forming a GmbH in Switzerland has real tax and administrative consequences. Here's how to think about it.
When you work for yourself in Switzerland, one of the most consequential structural decisions is whether to operate as an Einzelunternehmen (sole trader) or to form a GmbH (Gesellschaft mit beschränkter Haftung, the Swiss equivalent of a limited liability company). The differences affect your tax rate, your liability exposure, your social security obligations, and your administrative burden.
The Einzelunternehmen
An Einzelunternehmen (sole proprietorship) is the simplest structure. There is no separate legal entity: you and your business are the same legal person. You bear unlimited personal liability for business debts.
Registration is straightforward. If your annual turnover is under CHF 100,000, registration in the Handelsregister (commercial register) is voluntary. Above CHF 100,000, registration is mandatory.
Tax is paid on your personal income tax return. Business profits are added to any other personal income and taxed at the progressive cantonal and federal rates. Social security (AHV/IV/EO) contributions are paid to the SVA at approximately 10% of net income, in addition to income tax.
The GmbH
A GmbH is a separate legal entity. The minimum share capital is CHF 20,000, which must be fully paid up at formation. You are not personally liable for company debts beyond your capital contribution.
A GmbH pays corporate income tax on its profits at combined federal and cantonal rates (typically 12 to 15% depending on the canton). When you pay yourself a salary, you pay personal income tax on the salary. Dividends paid out of company profits are taxed again at the personal level at a reduced rate.
The GmbH must maintain full double-entry bookkeeping and file annual financial statements regardless of size. Formation costs (notary, registration fees) typically run CHF 1,500 to 3,000.
When the GmbH Makes Financial Sense
The tax advantage of the GmbH over the Einzelunternehmen depends on your income level and canton. At higher income levels (above roughly CHF 150,000 to 200,000 in profit), the combined corporate plus personal dividend tax rate can be lower than the progressive personal rate on Einzelunternehmen income.
Below that level, the GmbH’s additional complexity (accounting obligations, salary administration, AHV contributions on salary, annual financial statements) usually outweighs the tax benefit.
Social Security: The Key Difference
Sole traders pay AHV/IV/EO contributions to the SVA Ausgleichskasse as self-employed persons, at approximately 10% of net income.
GmbH owners who are also employees of the company pay AHV/IV/EO jointly with the company on their salary (half each, totalling approximately 10.6%). They do not pay SVA contributions as self-employed persons separately.
How KontoMatch Helps
Whether you operate as an Einzelunternehmen or a GmbH, KontoMatch processes your invoices automatically, tracks your expenses, and gives your Treuhänder structured records in an exportable format compatible with Swiss accounting systems.