Pension Fund Buy-Ins: A Step-by-Step Strategy
How to find your buy-in potential, spread purchases over several years and avoid common traps.
5 min read · Retirement & Pensions
Buying into your pension fund is one of the strongest tax levers in Switzerland, but it works best with a plan.
Step 1: find your potential
Your pension certificate shows the maximum buy-in amount, which reflects the gap between your current savings and the target benefit of your plan. Ask whether additional purchases for early retirement are possible.
Example with default values. Open the calculator →
Step 2: spread over years
Because tax rates are progressive, a purchase deducted over several years often saves more than one large purchase. A yearly amount of CHF 10,000–30,000 is a common range, depending on income.
Step 3: coordinate with 3a
Fill your pillar 3a first (the limit is lower but the process is simple), then use buy-ins for additional deduction. Keep an eye on your emergency fund, because both are locked.
Traps to avoid
- Withdrawing the capital within three years of a purchase is not allowed and can trigger back taxes.
- A large capital withdrawal in the same year as a buy-in can be re-qualified.
- Foreign arrivals have special limits on buy-ins during the first years.
- Check your fund's health: purchases are only as safe as the fund.
Estimate the tax benefit with our buy-in calculator.