Save Taxes Through Investing: 8 Legal Strategies for Swiss Investors
February 18, 2026
6 min read
Save Taxes Through Investing: 8 Legal Strategies for Swiss Investors
Switzerland is a tax haven for investors — but only if you know the rules. Capital gains are tax-free. Pension contributions are fully deductible. And with the right strategy, you can save hundreds of thousands of francs in taxes over an investing lifetime — completely legally.
Yet most people in Switzerland leave these advantages unused. They don't pay the full 3a amount, leave their money in savings accounts (where the interest is taxed), and withdraw their pension assets without any tax planning.
This article shows you the 8 most effective tax strategies for Swiss investors — from the simplest (anyone can implement immediately) to the most advanced (requiring long-term planning). With concrete CHF examples.
CHF 0
Tax on capital gains in Switzerland
CHF 2,500+
Annual tax savings with 3a
CHF 100,000+
Potential lifetime tax savings
Contents
1 Maximise Pillar 3a — the single biggest lever
Pillar 3a is the most effective legal tax saving tool in Switzerland. Every franc you contribute (up to the maximum of CHF 7,258 in 2026) is fully deducted from your taxable income. At a marginal tax rate of 30–40% depending on canton, that's CHF 2,177 to CHF 2,903 in tax savings per year — simply from making a contribution.
And your 3a assets grow tax-free: no income tax on interest, no wealth tax, no withholding tax. Only upon withdrawal is it taxed — at a reduced rate that's significantly below the regular income tax rate.
Over 30 years, the tax savings at a 35% marginal rate add up to approximately CHF 76,000 — and the capital itself grows in the background. Pillar 3a is the only place where you simultaneously save taxes AND invest your money.
Calculate your personal savings: Pillar 3a Tax Savings Calculator
Tip
Invest your 3a contribution in an equity solution — not a savings account. The difference over 30 years: approx. CHF 200,000 at 6% return vs. approx. CHF 8,000 at 0.5% savings interest (with annual maximum contribution). More: Pillar 3a: Bank, insurance or app?
2 Tax-free capital gains — the Swiss advantage
In Switzerland, private capital gains from securities are tax-free. You buy a stock for CHF 100, sell it for CHF 200 — the CHF 100 profit is not taxed. Zero. In Germany, you'd pay 25% capital gains tax (CHF 25). In the US, up to 37% (CHF 37).
This sounds obvious but is an enormous advantage that many Swiss residents don't sufficiently exploit. Those who leave money in savings accounts pay income tax on the meagre interest — while losing purchasing power to inflation. Those who invest benefit from tax-free capital gains and compounding.
Over a 30-year horizon with CHF 500/month savings rate and 7% return, capital gains total approximately CHF 430,000. In Switzerland: tax-free. In Germany: approximately CHF 107,000 in taxes. That's the single biggest tax advantage you have as a Swiss investor.
Watch out: Professional securities trading
The tax exemption only applies to private capital gains. Those classified as professional securities traders by the tax authorities must declare capital gains as income. Criteria include: high transaction frequency, short holding periods, use of leverage, and trading volume exceeding 5x the initial capital. As a long-term buy-and-hold investor, you're safely on the private side.
3 Choose accumulating over distributing funds
Capital gains are tax-free — but dividends are not. Dividends are taxed in Switzerland as income (at your regular marginal rate). That's why the choice between accumulating and distributing funds makes a real tax difference.
An accumulating fund automatically reinvests all dividends within the fund. The fund unit rises in value — and that value increase is a tax-free capital gain. A distributing fund pays dividends out to you — and you must declare them as taxable income.
In practice: with a 2% dividend yield and a CHF 200,000 portfolio, you receive CHF 4,000 annually in dividends. At a 35% marginal rate, that's CHF 1,400 in taxes per year — which you largely avoid with an accumulating fund.
Important: even with accumulating funds, reinvested income must be declared in your tax return (it appears in the fund's tax statement). But the effect is smaller than with direct distributions, and the compounding on reinvested amounts runs uninterrupted.
4 Pension fund voluntary purchase: The tax turbo
If your pension fund statement shows a "Possible purchase" amount, you have one of the most powerful tax optimisations at hand. Voluntary purchases into the pension fund are fully deductible from taxable income — with no maximum limit (only limited by the purchase gap).
With a purchase gap of CHF 50,000 and a marginal tax rate of 35%, you save CHF 17,500 in taxes — immediately. The money then grows tax-free in the pension fund and is taxed at the reduced rate upon withdrawal.
The strategy: split large purchases across multiple years to maximise the progression effect each year. CHF 50,000 at once yields less tax savings than 5 times CHF 10,000 over 5 years — because the marginal tax rate "bites" harder at lower income levels.
Important
Before making a PK purchase, check two things: first, the funding ratio of your pension fund (should be above 100%). Second, the 3-year lock-in period: if you withdraw capital within 3 years of a purchase (including WEF advance withdrawal), you may lose the tax deduction. Plan purchases at least 3 years before any planned withdrawal. Understand your pension fund statement first.
5 3a catch-up contributions from 2026
From 2026, you can retroactively make up missed 3a contributions. Anyone who didn't pay the full maximum in previous years (from 2025 onwards) can close those gaps — and deduct the catch-up amount from taxable income.
This is an additional tax deduction on top of the regular maximum. In one year, you could potentially deduct up to CHF 14,516 (CHF 7,258 regular + CHF 7,258 catch-up) — a tax saving of up to CHF 5,000+.
Full details, conditions and strategies in our comprehensive guide: Pillar 3a Retroactive Contributions 2026: The Complete Guide.
6 Staggered capital withdrawal: Save thousands at retirement
When withdrawing pension assets (pension fund, 3a, vested benefits), a progressive tax tariff applies: the more you withdraw in one year, the higher the rate. By staggering withdrawals over multiple years and multiple accounts, you can break the progression and save significantly.
The core rules: open multiple 3a accounts early (ideally 4–5). From age 60, start dissolving one account per year. Withdraw PK capital in a separate year. For married couples: distribute withdrawals across different years.
The tax savings from staggering can amount to CHF 15,000 to CHF 30,000 for large balances — purely through timing. Full details: Pension Fund Lump Sum: Tax Optimisation.
7 Reclaim withholding tax — don't forget
On Swiss dividends and interest income, the federal government levies a 35% withholding tax (Verrechnungssteuer). This is deducted at source — you only receive 65% of your dividend. The good news: if you correctly declare the income in your tax return, you get the full 35% refunded.
The problem: many investors forget to claim the refund — or don't declare their income correctly. Millions in withholding tax refunds are estimated to be lost annually.
What you need to do: declare all securities, dividends and interest income completely in your tax return. Use the tax statement from your broker or wealth manager. With arvy, the tax statement is included in the fee — you receive it automatically.
8 Place of residence as the biggest tax lever
Switzerland has 26 cantons, each with its own tax progression — and within cantons, the rate varies again by municipality. The difference can be dramatic: at a taxable income of CHF 150,000, a single person in the City of Zurich pays around CHF 27,000 in income tax; in the municipality of Baar (Canton Zug) only around CHF 15,000. That's CHF 12,000 difference — every year.
Over 20 years that adds up to CHF 240,000 — just from the choice of where to live. Of course, other factors matter (rent, quality of life, commute), but the tax aspect should always be considered when relocating.
Particularly relevant at retirement: the tax on a capital withdrawal depends on your place of residence at the time of withdrawal. Relocating to a tax-friendly canton before retirement can save tens of thousands. Use our Budget Calculator to calculate the effect for your canton.
Summary: All 8 strategies at a glance
| # | Strategy | Annual tax savings (approx.) | Effort |
|---|---|---|---|
| 1 | Maximise Pillar 3a | CHF 2,200–2,900 | Minimal (set up once) |
| 2 | Tax-free capital gains | Variable (over decades: CHF 100,000+) | Invest instead of saving |
| 3 | Accumulating funds | CHF 500–1,500 | One-time fund selection |
| 4 | Pension fund purchase | CHF 3,000–15,000+ (per purchase) | Medium (contact PK) |
| 5 | 3a catch-up (from 2026) | CHF 1,000–2,500 | Low (once per year) |
| 6 | Staggered withdrawal | CHF 15,000–30,000 (one-time) | High (long-term planning) |
| 7 | Reclaim withholding tax | CHF 200–2,000+ | Complete tax return correctly |
| 8 | Optimise residence | CHF 5,000–15,000+ | High (relocation) |
Strategies 1–3 can be implemented immediately by anyone — minimal effort, annual tax savings. Strategies 4–6 require more planning but are the most impactful for larger assets. And your place of residence is the biggest lever of all — but also the most involved.
Saving taxes isn't a trick — it's rational financial planning. Switzerland offers investors unique advantages. Use them.
Invest tax-free — with arvy
Capital gains tax-free, 3a tax-deductible, tax statement included. Professional investing from CHF 1/month.
Start a savings planStart 3a: Pillar 3a → · Calculate: Tax Savings Calculator →
This article was written by Thierry Borgeat, CFA, and reviewed by Patrick Rissi, CFA, and Florian Jauch, CFA. Last updated March 2026.
Disclaimer: This article is for general information and does not constitute personal tax or investment advice. All tax examples are approximations and may vary depending on individual circumstances. Consult a tax advisor for your personal situation. arvy is a FINMA-supervised asset manager. Imprint & Legal Information
