Pillar 3a & Pension Fund Buy-In Optimisation
Combining pension provision and taxes optimally
Pension optimisation: the double benefit
Contributions to pillar 3a and pension fund buy-ins are the most effective tax-saving measures in Switzerland. They reduce your taxable income by 100%.
Optimisation goes far beyond 'paying in as much as possible': timing, product choice, staggering and withdrawal strategy determine tens of thousands of francs in savings.

Why pension optimisation pays off
100% tax deduction
Contributions fully reduce your taxable income
Double effect
Save on taxes and build up assets for later
Optimal timing
The best time for buy-ins based on your situation
Planning staggering
Distribution over several years for maximum tax savings
Withdrawal strategy
Staggered payouts for minimal taxation
Product selection
The right pillar 3a products for your risk profile
In-depth knowledge
Pillar 3a: basics and maximum contributions
Pillar 3a is fully deductible from taxable income. Maximum contributions in 2026: CHF 7'258 for employees with a pension fund, CHF 36'288 for self-employed people without a pension fund.
At a marginal tax rate of 35%, the full contribution means around CHF 2'540 in annual tax savings.
Multiple pillar 3a accounts: the withdrawal strategy
Hold 4-5 accounts instead of just one. At payout, withdrawals are staggered to take advantage of the lower tax brackets multiple times.
The savings can amount to CHF 30'000-50'000.
Pension fund buy-ins: the big lever
Pension fund buy-ins are often the single biggest tax lever. With a CHF 50'000 buy-in and a 40% marginal tax rate, you save CHF 20'000 – immediately.
Note: observe the 3-year blocking period before a lump-sum withdrawal.
Coordinating pillar 3a and pension fund buy-ins
Typical strategy: always max out pillar 3a first, then make pension fund buy-ins for further progression-breaking.
For self-employed people, the 'large pillar 3a contribution' can be more attractive than a pension fund buy-in.
Avoid common mistakes
These are the mistakes we see most often in practice
Only holding one pillar 3a account
Much more tax than necessary at payout.
Not checking your buy-in potential
Pension fund buy-in opportunities overlooked or not used.
Pension fund buy-in during the blocking period
Buy-ins within 3 years of a lump-sum withdrawal are not tax-deductible.
Buying in all at once
Staggering over several years saves thousands of francs.
Checklist: your next steps
What you can do right now
Frequently asked questions about Pillar 3a & Pension Fund Buy-In Optimisation
Answers to the most important questions

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