Why an expense policy is worth more than a list of prohibitions
In a Swiss SME, business expenses often account for 15–25% of operating costs outside payroll: travel, client meals, software, equipment, training and small recurring purchases. Without shared rules, every employee interprets "permissible expense" in their own way, accounting receives incomplete receipts, and management only discovers at quarter-end that entertainment costs have exceeded the budget.
A well-designed expense policy is not meant to hold the team back, but to provide clarity: who may spend, for what purposes, within what limits and with what documentation. In Switzerland, where tax deductibility depends on the economic connection with the business and correct accounting allocation, a policy aligned with federal rules (FDTA, VAT Act, CO) protects the company from tax adjustments and internal disputes.
This guide explains how to build a practical expense policy for GmbH/Sàrl, AG or sole proprietorships with employees, integrating it into accounting and digital processes without turning every CHF 30 purchase into a bureaucratic ordeal.
Guiding principles: clarity, proportionality, traceability
Before setting numerical limits, it helps to establish three principles that guide every decision:
Business purpose
Every expense must be incurred to generate or maintain taxable income. Private expenses disguised as business expenses remain non-deductible and may constitute a taxable economic benefit for the employee.
Proportionality of controls
The level of approval should increase with the amount and the risk, not with bureaucracy. Purchases below a predefined threshold can follow a simplified workflow; higher amounts require dual sign-off and a quote.
Complete documentation
Receipt, date, amount, VAT, description of the business case and cost centre: four elements that enable tax deduction, VAT recovery and year-end closing without rework.
Expense categories and reference limits
The table below summarises the most common categories in Swiss SMEs, with guidance on tax deductibility and typical operational limits. The values are indicative: internal policy may be more restrictive, but never more permissive than the law.
| Category | Examples | Tax deductibility | Suggested operational limit |
|---|---|---|---|
| Travel and business trips | Train, flight, hotel, taxi, parking | 100% if strictly business-related | Hotel: standard class; extra meals per internal per diem |
| Private car mileage | Client visits, job sites, trade fairs | Mileage reimbursement or actual costs (not cumulative) | CHF 0.75/km (FTA 2026 reference) with travel log |
| Meals and entertainment | Client lunch, business dinner, coffee meeting | Deductible if justified by commercial use and documented (Art. 58 para. 1 and Art. 59 FDTA) | CHF 80–120/person; must state participants and reason |
| Client gifts | Wine, promotional items, event tickets | Deductible if modest and linked to the business | CHF 100/recipient/year (prudent threshold) |
| IT and software | SaaS licences, hardware, cloud | 100% if for professional use | Purchases > CHF 5,000: IT + finance approval |
| Training | Courses, certifications, conferences | 100% if relevant to the role | Annual budget per role defined in advance |
| Office and consumables | Supplies, printing, furniture | 100% if charged to the company | Recurring purchases: company card with monthly limit |
| Phone and connectivity | Mobile subscription, home internet | Professional share deductible | Flat-rate reimbursement of 50% or actual expense reporting |
For mixed expenses (car, phone, home office), the policy must specify the chosen method — actual or flat-rate — and prohibit double counting. Once the method is set, it must be applied uniformly throughout the fiscal year.
Tax and social security implications in Switzerland
Expense deductibility follows the principle of connection with the business (Art. 58 FDTA). The tax authorities and the auditor verify that every cost is justified, documented and allocated to the correct period. In Switzerland there is no flat 50% cap on entertainment expenses: meals, entertainment and gifts are deductible if justified by commercial use, proportionate and documented (Art. 58 para. 1 and Art. 59 FDTA). Excessive amounts or those with a private purpose may be added back to taxable profit; check practice with the competent cantonal tax authority.
For VAT, most professional expenses allow input tax recovery, subject to exceptions (certain exempt services, mixed-use vehicles). The policy should always require a receipt showing VAT explicitly and the supplier's UID number, especially for foreign purchases where reverse charge may apply.
Economic benefits for staff
When the company pays clearly private expenses (personal gym membership, fines, family purchases), this constitutes a taxable economic benefit. The employee must declare it and the company may need to pay social security contributions (OASI/DI/IC) and, where due, withholding tax, depending on the nature of the benefit.
The policy must explicitly list excluded expenses: traffic fines, personal expenses during business trips, unauthorised upgrades (business class without approval).
Per diems and flat-rate allowances
Daily allowances for meals and overnight stays, if paid according to the scales of the Confederation or the competent canton, do not constitute taxable income for the employee and remain deductible for the company within official limits.
A mixed system — mileage reimbursement plus meal per diems — is often easier to manage than reimbursing every individual receipt, especially for sales teams with frequent travel.
Three-tier approval workflow
A common mistake is applying the same process to a CHF 4.50 coffee and a CHF 12,000 annual software contract. A threshold-based model maintains speed and control:
Green level — up to CHF 100
Recurring, low-risk expenses: office supplies, taxi, parking, small refills. The employee uploads the receipt within 10 working days; automatic approval if within the cost centre budget. No managerial sign-off required.
Yellow level — CHF 100 to CHF 2,000
Client meals, hotels, training, small IT purchases. Requires direct manager approval within 48 hours and indication of the associated project or client. For entertainment, participants' names must be noted on the receipt or in the system.
Red level — over CHF 2,000
Intercontinental travel, equipment, consulting, events. Written quote, management approval and purchase commitment recorded before buying. For recurring amounts (coworking rent, licences), consider annual framework contracts.
Publish the thresholds in an accessible document (intranet, wiki, two-page PDF) and brief new hires on day one. Team speed depends on the predictability of the rules, not on their absence.
Company cards, advances and reimbursements
Company credit card
Ideal for teams with frequent, moderate expenses. Set monthly limits per card and blocked merchant categories (casinos, cash ATM withdrawals). Every charge must be matched to a digital receipt by month-end.
A company card does not remove the obligation to justify expenses: in an audit, the bank statement alone is not sufficient.
Advance and expense report
For trade fairs or long trips, a cash advance or bank transfer prevents the employee from fronting large sums. The expense report must be submitted within 15 days of return, with any unused balance returned.
Advances not justified within the deadline may be deducted from the next payslip, subject to agreement in the employment contract or internal regulations.
Periodic controls without stifling operations
A policy only works if accompanied by light but consistent controls:
- •Monthly sample review: check 10–15% of expense reports, focusing on entertainment, travel and high-risk categories. Flag anomalies; do not penalise the first documentation error.
- •Cost centre dashboard: compare actual vs budget expenses each month. Variances above 20% trigger a review with the area manager.
- •Pre-closing audit: in November, verify that all expenses for the fiscal year are recorded and that no reimbursements remain pending from the previous quarter.
- •Annual policy review: update limits, thresholds and categories based on inflation, regulatory changes and team feedback.
Documents to retain
Under the Code of Obligations and tax practice, retain receipts, credit notes, mileage logs, approvals and travel justifications for at least ten years. Digitisation is permitted, provided files are readable, complete and protected from alteration.
Integrating the policy into the digital accounting workflow
Accounting software such as Accountex lets you translate the policy into operational rules: predefined categories with correct VAT rates, cost centres by project, mandatory fields for business lunch participants, spending limits per user. The goal is for compliance to emerge from the process, not from a reminder after the fact.
Set up a workflow where the employee photographs the receipt, selects category and cost centre, and the expense arrives pre-posted to finance. Digital approvals replace lost emails; export to the general ledger eliminates duplicate data entry. For SMEs with limited or full audit, orderly expense accounting significantly reduces the fiduciary's year-end workload.
Link the policy to the chart of accounts under Swiss accounting standards (Swiss GAAP FER or CO minimum): clearly separating entertainment, travel, vehicles and materials expenses simplifies tax filing and audit reviews.
Checklist: implementing the policy in five steps
| Step | Action | Owner | Timeline |
|---|---|---|---|
| 1 | Map expenses from the last 12 months by category and identify high-risk areas | Finance / accounting | Week 1 |
| 2 | Draft the policy (max 3–4 pages) with categories, limits, exclusions and approval thresholds | Management + HR | Week 2 |
| 3 | Align internal regulations and employment contracts; communicate to the team with a Q&A session | HR / Management | Week 3 |
| 4 | Configure categories, cost centres and approval workflows in accounting software | Accounting / IT | Week 4 |
| 5 | Start monthly sample controls and review the policy after the first operational quarter | Finance | From month 2 onwards |
Balance between trust and rigour
An effective expense policy in a Swiss SME is not a manual of prohibitions, but a clarity agreement between the company and its employees: spend for the business, document correctly, respect the limits — and reimbursement arrives quickly without friction.
Investing a few hours in defining rules, thresholds and digital tools avoids tax adjustments, internal tension and hours of accounting rework at year-end. In a context where every franc of cost counts, expense discipline does not slow the team down: it lets them move faster, knowing exactly what is possible and what is not.