Can I Claim Professional Fees (Fiduciare, Legal, Advisory) as a Business Expense in Switzerland?
Fully deductible for fees paid to fiduciaries (Swiss accountants/bookkeepers), lawyers, auditors, tax advisors, and business consultants engaged for business purposes.
What Federal Tax Administration (ESTV/FTA) says
Professional and advisory fees incurred wholly for business purposes are fully deductible as Betriebsausgaben. This includes: Treuhänder/Fiduciar fees (Swiss term for accountants and bookkeepers), Rechtsanwalt (lawyer) fees for business legal matters, Steuerberater (tax advisor) fees, and management consultant fees. Fees for personal tax advice (personal Steuererklärung preparation) are a personal deduction, not a business one.
When you can claim
- Annual fiduciary/Treuhänder fee for bookkeeping, payroll processing, and VAT returns
- Tax advisor fees for corporate tax return preparation and tax planning
- Lawyer fees for drafting business contracts, employment agreements, or shareholder agreements
- Auditor fees (Revisionsstelle) where audit is required
- Business valuation, due diligence, or M&A advisory fees
- HR consultant fees for Swiss employment law compliance
When you cannot claim
- Personal tax return preparation fees (personal deduction, not business)
- Legal fees for purely personal matters (divorce, private property disputes)
- Fees for advice that is entirely personal in nature
Good to know
Pro tip: Swiss fiduciaries (Treuhänder) are distinct from traditional accountants — they often handle bookkeeping, payroll, tax returns, company secretarial, and statutory filings in one service. Bundling with a local Treuhänder is typically more cost-efficient for SMEs than using separate providers for each service. Always get a written fee agreement (Auftrag).
Stop guessing what you can claim in Switzerland
AccountsOS automatically categorises expenses with Federal Tax Administration (ESTV/FTA)-aware rules and tells you exactly what is claimable.
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