Opening a pillar 3a account takes about 10 minutes and could save you over CHF 2,000 in taxes this year alone. Yet most people in Switzerland either don't have one or picked their provider out of pure convenience. Here's how to do it right.
How to Open a Pillar 3a Account Online
Opening a pillar 3a account in Switzerland is straightforward. Most digital providers let you complete the entire process from your phone. Here's the general flow, regardless of which provider you choose.
Decide between a savings account (capital guaranteed, low returns) or an investment fund (higher long-term returns, some volatility). This is the most important decision you'll make. If you have 10+ years until retirement, investment funds almost always win.
Compare fees, interest rates, and features. Digital providers like Finpension, VIAC, and frankly charge 0.39% to 0.44% for investment funds. Traditional banks charge 0.80% to 1.50% for similar products. Use our comparison tool to see all 160 products side by side.
You'll need a valid ID (passport or Swiss identity card), proof of Swiss residence (confirmation of registration from your Gemeinde/commune), and your AHV/OASI number (found on your health insurance card or salary slip). Some providers also ask for a recent utility bill.
Download the provider's app or visit their website. Fill in your personal details, upload your ID, and verify your identity. Most providers use video identification or automated ID scanning. The whole process takes 5 to 15 minutes.
Transfer money to your new 3a account via bank transfer. The maximum for 2026 is CHF 7,258 if you're employed with a pension fund, or up to CHF 36,288 if you're self-employed without one. You can contribute any amount up to the limit.
Pro tip: You don't have to max out your contribution in one go. Many providers accept multiple deposits throughout the year. Just make sure everything lands before December 31st.
Who Can Open a Pillar 3a Account?
Not everyone in Switzerland is eligible. Here are the requirements:
- You must be at least 18 years old
- You need AHV/OASI-liable earned income in Switzerland (salary, self-employment income, or unemployment benefits)
- You must be resident in Switzerland (or a cross-border commuter subject to Swiss AHV/OASI)
What counts as earned income: Regular employment, self-employment, unemployment insurance benefits, disability insurance daily allowances, and maternity/paternity allowances. Investment income, rental income, and pensions do not qualify.
Where Should You Open Your Pillar 3a?
This is where most people go wrong. They walk into their existing bank and open a 3a because it's convenient. That convenience costs real money over decades.
You have three main options:
Digital Providers
Finpension, VIAC, frankly, Yuh, Descartes
These app-based providers offer the lowest fees in the market. Investment fund costs range from 0.39% to 0.44% annually. They handle everything digitally, from account opening to contribution management.
Best for: Anyone comfortable with a smartphone app who wants the best returns over time. Especially good for newcomers and expats since the onboarding is fully digital with English language support.
- Finpension: 0.39% all-in cost, up to 99% equities
- VIAC: 0.41% total cost, up to 99% equities
- frankly (by ZKB): 0.44% flat fee, up to 95% equities
Traditional Banks
UBS, Raiffeisen, ZKB, PostFinance, Migros Bank, cantonal banks
Your existing bank will happily open a 3a for you. The process is simple: walk in, sign the forms, done. But you'll pay significantly more in fees (0.80% to 1.50% for investment funds) or earn almost nothing on savings accounts (0.05% to 0.20% at the big banks).
Best for: People who prefer face-to-face service and don't mind paying extra for it. Also for those very close to retirement who want a simple savings account.
- UBS Fisca: 0.20% savings rate, investment funds from 0.90% TER
- Raiffeisen: digital 3a available, but higher fees than dedicated providers
- PostFinance: 0.05% savings rate (essentially zero)
Insurance Companies
Swiss Life, AXA, Generali, Helvetia, Zurich
Insurance-linked 3a policies bundle life insurance with retirement savings. They lock you into long-term contracts (often 10 to 30 years) with high cancellation penalties.
Best for: People who genuinely need the life insurance component (e.g., protecting a mortgage). For pure retirement savings, bank and app-based solutions are almost always better.
Warning: Early termination of insurance 3a contracts can cost you thousands in penalties. Read the fine print carefully.
Finpension, VIAC, frankly, Yuh, Descartes
These app-based providers offer the lowest fees in the market. Investment fund costs range from 0.39% to 0.44% annually. They handle everything digitally, from account opening to contribution management.
Best for: Anyone comfortable with a smartphone app who wants the best returns over time. Especially good for newcomers and expats since the onboarding is fully digital with English language support.
- Finpension: 0.39% all-in cost, up to 99% equities
- VIAC: 0.41% total cost, up to 99% equities
- frankly (by ZKB): 0.44% flat fee, up to 95% equities
UBS, Raiffeisen, ZKB, PostFinance, Migros Bank, cantonal banks
Your existing bank will happily open a 3a for you. The process is simple: walk in, sign the forms, done. But you'll pay significantly more in fees (0.80% to 1.50% for investment funds) or earn almost nothing on savings accounts (0.05% to 0.20% at the big banks).
Best for: People who prefer face-to-face service and don't mind paying extra for it. Also for those very close to retirement who want a simple savings account.
- UBS Fisca: 0.20% savings rate, investment funds from 0.90% TER
- Raiffeisen: digital 3a available, but higher fees than dedicated providers
- PostFinance: 0.05% savings rate (essentially zero)
Swiss Life, AXA, Generali, Helvetia, Zurich
Insurance-linked 3a policies bundle life insurance with retirement savings. They lock you into long-term contracts (often 10 to 30 years) with high cancellation penalties.
Best for: People who genuinely need the life insurance component (e.g., protecting a mortgage). For pure retirement savings, bank and app-based solutions are almost always better.
Warning: Early termination of insurance 3a contracts can cost you thousands in penalties. Read the fine print carefully.
What Documents Do You Need?
The exact requirements vary by provider, but here's what you should have ready:
- Valid identity document: Swiss ID card, passport, or foreign national identity card. Must be current and not expired.
- Proof of residence: Registration confirmation (Wohnsitzbestätigung/Attestation de domicile) from your municipality. Some providers accept a recent utility bill.
- AHV/OASI number: Your 13-digit social security number (format: 756.XXXX.XXXX.XX). Find it on your health insurance card, salary slip, or AHV certificate.
- Swiss bank account: Most providers require a linked Swiss bank account (IBAN) for contributions and future withdrawals.
- Smartphone with camera: For digital providers using video identification or ID scanning.
For expats and newcomers: If your documents are in a language other than German, French, Italian, or English, some providers may require certified translations. Digital providers like Finpension and VIAC are generally the most accommodating with foreign documents.
Online vs. Branch: Which Opening Process Is Better?
For most people in 2026, opening online is faster, cheaper, and more convenient. Here's the honest comparison:
Opening online (5 to 15 minutes):
- Available 24/7, no appointment needed
- Video identification from your couch
- Lower fees because digital providers have lower overhead
- Immediate account access
- English-language support at most digital providers
Opening at a bank branch (30 to 60 minutes):
- Requires scheduling an appointment during business hours
- Face-to-face advice (which may or may not be unbiased)
- Paper forms and physical signatures
- Typically steered toward the bank's own products
- May feel more reassuring if you're not tech-comfortable
After building GetRates and analyzing every provider in the market, I can tell you: the branch experience adds friction and cost without meaningful benefit for most people. The one exception? If you have a complex financial situation (multiple income sources, cross-border work, self-employment), a good advisor can help you structure your 3a strategy.
How Much Can You Contribute in 2026?
If you're employed and contribute to a pension fund (2nd pillar), you can put up to CHF 7,258 into your pillar 3a in 2026. This is the most common scenario.
Self-employed individuals without a pension fund can contribute up to 20% of their net earned income, with a maximum of CHF 36,288 in 2026. A massive tax deduction.
The tax savings are the whole point. If you earn CHF 100,000 in Zurich and contribute the full CHF 7,258, you save roughly CHF 1,800 to CHF 2,200 in taxes that year. Over a 30-year career, that's CHF 54,000 to CHF 66,000 in tax savings alone, before any investment returns.
The Swiss Federal Social Insurance Office (BSV) adjusts these limits annually, usually with a small increase to track inflation.
Tips for Newcomers and Expats Opening a Pillar 3a
If you've recently moved to Switzerland, pillar 3a should be near the top of your financial to-do list. Here's what you need to know:
Start immediately. There's no minimum residency requirement. Your first year in Switzerland might be a partial year (e.g., you arrived in September). You can still contribute the full CHF 7,258 for that calendar year. Don't wait.
Go digital. Providers like Finpension and VIAC offer their platforms in English and handle foreign ID documents well. Traditional Swiss banks sometimes struggle with non-Swiss documentation.
Understand the tax benefit. Your 3a contribution reduces your taxable income in the canton where you're registered on December 31st. If you moved to Switzerland mid-year, you still get the full deduction for the year.
Choose investment funds over savings accounts. If you're under 50 and just starting your Swiss career, you likely have 15 to 30+ years until retirement. At that horizon, the math overwhelmingly favors investment-based 3a solutions over savings accounts. Even the best savings rate (1.25%) barely keeps up with inflation.
Plan for the possibility of leaving. If you might leave Switzerland in the future, know that you can withdraw your 3a early. A withholding tax of 5% to 10% applies (varies by canton), and you might reclaim some of it depending on your destination country's tax treaty with Switzerland.
Not sure which provider is right for your situation? Try our 3a match tool for a personalized recommendation based on your profile.
The Pillar 3a Mistakes Everyone Makes When Opening
Most people open their 3a at whatever bank they already use. UBS, Raiffeisen, ZKB, and PostFinance together hold the majority of 3a assets, yet they charge the highest fees and pay the lowest savings rates. A 15-minute comparison could save you tens of thousands over your career.
If you're under 45 with a long time horizon, putting your 3a into a savings account earning 0.20% is leaving serious money on the table. Over 30 years, the difference between a 0.20% savings account and a 5% investment return on maximum annual contributions is over CHF 150,000.
Switzerland lets you split 3a contributions across multiple accounts (most providers allow up to 5). At retirement, you can withdraw them in different tax years, keeping each withdrawal in a lower tax bracket. Opening 3 to 5 accounts over your career saves thousands in withdrawal taxes.
Your money can't work for you while it sits in your regular bank account. Contributing early in the year (January or February) instead of December gives your investments 11 extra months of potential growth every single year.
What I Recommend for Most People
After analyzing 160 pillar 3a products from 98 providers, here's my honest recommendation: if you're under 50, open an investment-based 3a with a digital provider. Finpension and VIAC offer the lowest all-in costs (around 0.40%) with maximum equity exposure. For savings accounts, small banks like Caisse d'Epargne d'Aubonne (1.25%) crush the big banks. Whatever you do, don't default to your existing bank. The 10 minutes you spend comparing providers is the highest-ROI financial decision you'll make this year. If you're unsure, try our match tool for a personalized recommendation, or compare all providers side by side.
Frequently Asked Questions
How long does it take to open a pillar 3a account?
With digital providers like Finpension, VIAC, or frankly, the entire process takes 5 to 15 minutes. You'll need your ID and AHV number. Traditional banks typically require a branch visit and 30 to 60 minutes. Your account is usually active within 1 to 3 business days.
Can expats open a pillar 3a in Switzerland?
Yes. Anyone earning AHV/OASI-liable income in Switzerland can open a pillar 3a, regardless of nationality or permit type. B permits, C permits, and even cross-border commuter (G permit) holders are eligible. There's no minimum residency period.
What is the maximum 3a contribution for 2026?
CHF 7,258 for employees with a pension fund. CHF 36,288 (or 20% of net income, whichever is lower) for self-employed individuals without a pension fund. These limits are set by the Swiss Federal Council and typically increase slightly each year.
Should I open a 3a savings account or investment fund?
If you have more than 10 years until retirement, investment funds historically deliver far higher returns despite short-term volatility. The best savings account pays 1.25% while investment funds have averaged 4% to 7% long-term. Choose savings only if you're within 5 to 10 years of retirement or cannot tolerate any fluctuation.
Can I have multiple pillar 3a accounts?
Yes, and you should. Most providers allow up to 5 accounts. Spreading your 3a across multiple accounts lets you stagger withdrawals at retirement, keeping each withdrawal in a lower tax bracket. This strategy alone can save you thousands in taxes.
What happens to my pillar 3a if I leave Switzerland?
You can withdraw your 3a early when you permanently leave Switzerland. A withholding tax of approximately 5% to 10% applies (varies by canton where your 3a foundation is domiciled). Depending on your destination country's tax treaty with Switzerland, you may reclaim part or all of this tax.
