Moving from Germany to Switzerland can take a top-bracket effective burden of roughly 47.5% on income, 26.375% on capital gains and dividends, and up to 50% on inheritance to a negotiated, capped annual bill in a AAA jurisdiction with a real path to a Swiss passport — but the planning is quite different from a Monaco or UAE move because Germany and Switzerland do have a comprehensive double tax treaty, and that treaty contains a specific anti-abuse clause aimed at lump-sum (forfait fiscal / Pauschalbesteuerung) residents. Two German rules dominate the planning: §6 AStG Wegzugsteuer on substantial corporate shareholdings (with a unique post-Wächtler deferral pathway specific to Switzerland), and §2 AStG erweiterte beschränkte Steuerpflicht which can — under the forfait regime — pull Switzerland into the low-tax-country net for ten years after departure. On the Swiss side, the choice between ordentliche Besteuerung and the Pauschalbesteuerung (and, within the forfait, between standard and modifizierte Besteuerung nach dem Aufwand) determines whether the DE-CH treaty actually covers you.
The Tax Delta at a Glance
| Germany (current) | Switzerland (after move) | |
|---|---|---|
| Personal income tax | 14% to 42% progressive; 45% Reichensteuer above €277,826 | Federal up to 11.5% + canton/commune; 22–45% combined under standard regime, OR a negotiated lump-sum under the forfait |
| Solidarity surcharge | 5.5% on income tax above ~€96,820 single | 0% (no equivalent) |
| Church tax | 8–9% of income tax (if church member) | Cantonal church tax 1–2.3% (opt-out usually possible for non-Swiss) |
| Capital gains / dividends | 26.375% Abgeltungsteuer + Soli flat | 0% on private movable assets (incl. crypto) at federal level; cantonal property gains tax separately |
| Wealth tax | 0% (suspended since 1997) | Cantonal 0.1–1% of net worth — applies even under forfait on imputed wealth |
| Inheritance / gift tax | 7%–50% by class and value (€400K spouse exemption) | Cantonal; most cantons exempt spouse and direct descendants entirely |
| Worldwide vs territorial | Worldwide on unbeschränkt Steuerpflichtige | Worldwide under standard regime; expenditure-based under the forfait |
| Effective rate (typical entrepreneur) | ~47.5% top marginal incl. Soli + church | ~CHF 435K federal min. tax base under forfait; ~22% combined in Zug under standard |
The right-hand column applies in full only after both legs are properly executed: cessation of unbeschränkte Steuerpflicht under §1 EStG and issuance of the Swiss B-permit with registration at the Einwohnerkontrolle / Contrôle des habitants, backed by 183+ days of physical presence. Until both are documented and the cantonal forfait ruling (if elected) is signed, the German Finanzamt will treat you as fully taxable on worldwide income — with the DE-CH treaty as the only ceiling.
Step-by-Step Move
Step 1: Confirm you can legally cease German tax residency under §1 EStG
German tax residency is decided by the Einkommensteuergesetz (EStG), primarily §1 EStG read with §§8 and 9 of the Abgabenordnung (AO). You are unbeschränkt steuerpflichtig (subject to unlimited tax liability on worldwide income) if you have either a Wohnsitz under §8 AO — a dwelling kept and used in circumstances suggesting retention — or a gewöhnlicher Aufenthalt under §9 AO, generally presumed after a continuous presence of more than six months.
There is no neat day-count formula. The Bundesfinanzhof applies a Gesamtbild der tatsächlichen Verhältnisse — the overall picture of facts. The most common reason Germany-to-Switzerland exits unravel is a retained German Wohnsitz: a Munich pied-à-terre kept “for board meetings”, a Tegernsee lake house used during summer, or a furnished room at parents’ house. The rule is availability and intent to use, not primary. For Switzerland-bound movers the practical sequence is: file an Abmeldebescheinigung at the local Bürgeramt citing the Swiss address; terminate every German lease (or convert to arm’s-length tenancy to a third party, not family); close or downgrade German bank and brokerage accounts; physically move the family into a registered Swiss lease or owned property.
Step 2: Plan around §6 AStG Wegzugsteuer — and the Wächtler precedent
Germany’s exit tax — Wegzugsbesteuerung under §6 of the Außensteuergesetz (AStG) — is the most expensive obstacle on the corridor. It is targeted: it does not touch listed share portfolios, real estate, crypto, or partnerships. It hits substantial shareholdings in corporations specifically.
Trigger conditions:
– Holding at least 1% of the share capital of any corporation (German GmbH/AG, foreign Ltd, US Inc., Luxembourg SARL — legal form is irrelevant), and
– Having been subject to unlimited German tax liability for at least 7 of the last 12 years before departure (tightened from 10 of 11 by the ATAD-Umsetzungsgesetz, in force from 1 January 2022).
If both conditions are met, on the day you cease unbeschränkte Steuerpflicht the Finanzamt deems your shares sold at fair market value. The unrealised gain is taxed under the Teileinkünfteverfahren (60% of the gain taxable at marginal rate), producing an effective rate of roughly 28–28.5% for top-bracket exiters with Soli.
For Switzerland specifically there is one critical nuance not present on Germany–Monaco or Germany–UAE corridors. In CJEU Case C-581/17 Wächtler (2019) the European Court of Justice held that Germany’s prior denial of interest-free deferral on §6 AStG for moves to Switzerland breached the EU–Switzerland Agreement on Free Movement of Persons (FMP) for self-employed persons. Germany responded by amending §6 AStG, and the 2022 ATAD-Umsetzungsgesetz then replaced all old deferral regimes with a uniform seven-year instalment plan (§6 Abs. 4 AStG) — but for movers covered by the FMP, the Wächtler logic still has bite: tax authorities have generally accepted that moves to Switzerland qualify for the 7-year instalment without the Sicherheitsleistung (security deposit) routinely demanded for non-EU/EEA jurisdictions like Monaco or the UAE. Verify the current administrative practice in your specific Bundesland with a tax adviser before relying on it.
Practical mitigation, in order of effectiveness:
- Restructure to a partnership before the seven-year clock. Convert a GmbH holding to a KG / GmbH & Co. KG; partnerships are outside §6 AStG entirely.
- Roll qualifying shares into a German Familienstiftung or treaty-protected EU holding before departure.
- Time the move to a low-valuation window. Wegzugsteuer is FMV-based at departure date.
- Stay below 1%. A pre-departure capital raise can drop a borderline founder under the threshold.
Step 3: Establish Swiss tax residency — and choose the regime
Swiss tax residency under the standard rule is established by physical presence of 30+ days with gainful activity, 90+ days without, or by centre of vital interests; for Pauschalbesteuerung (forfait fiscal) holders the practical bar is 183+ days/year in Switzerland, plus a principal Swiss home.
Two strategic choices control everything:
- Standard taxation vs forfait. The forfait is open only to non-Swiss nationals taking Swiss residency for the first time (or returning after 10+ years abroad) who do not take up gainful employment in Switzerland. Passive management of own assets and serving on foreign boards is fine. The forfait taxes you on Swiss living expenditure, with a federal minimum base of CHF 435,000 (2026) and a cantonal minimum that often pushes total annual tax to CHF 600,000–1,000,000+. See Tax-Free Residency in Switzerland for the full mechanics.
- Canton selection. Lump-sum is currently available in Zug, Schwyz, Nidwalden, Obwalden, Lucerne, Ticino, Vaud, Valais, Geneva, Bern, Fribourg, Graubünden, Jura, St. Gallen and others. Zurich, Basel-Stadt, Schaffhausen, Appenzell Ausserrhoden, and Basel-Landschaft have abolished it by referendum. For high-value, expenditure-driven moves, Valais, Ticino and Schwyz tend to be most competitive on lifestyle and cantonal minimum; Geneva and Vaud cost more but offer Anglophone international schools and easier connectivity.
Mechanical sequence: engage a Swiss fiscal lawyer to approach the canton’s tax administration, present a realistic expenditure profile, and negotiate the lump-sum base in writing (the ruling) before committing. Sign a long-term Swiss lease or close on property; secure mandatory Swiss health insurance within 3 months of arrival; file the residence-permit application with the cantonal migration office (Amt für Migration / Office cantonal de la population) — non-EU/EFTA federal pre-approval (SEM) is not required for forfait holders entering on a B-permit basis under cantonal “fiscal interest” rules, but most non-EU nationals will need SEM consent. Register at the Einwohnerkontrolle / Contrôle des habitants within 14 days of arrival. The B-permit issues within 6–12 weeks of a complete file in most cantons.
Step 4: Document the break and the DE-CH treaty tie-breaker
Unlike the Germany–Monaco corridor, a comprehensive double tax treaty between Germany and Switzerland has been in force since 1971 (last substantively amended by the 2010/2011 Protocol and the 2024 BEPS multilateral-instrument modifications). Article 4 contains the standard OECD-pattern tie-breaker — permanent home → centre of vital interests → habitual abode → nationality → mutual agreement — which means dual-residency disputes have a defined resolution mechanism, a structural advantage Monaco-bound exiters do not enjoy.
There is, however, a critical anti-abuse layer specific to Switzerland’s lump-sum regime. Under Article 4 paragraph 6 of the DE-CH DTT, individuals whose Swiss tax base is restricted to expenditure (i.e. forfait holders) are deemed not Swiss-resident for treaty purposes — unless they have elected the modifizierte Besteuerung nach dem Aufwand (modified forfait). The modified forfait taxes your Swiss-source income, German-source income, and certain treaty-protected income at ordinary Swiss rates (computed on those flows specifically), in addition to the lump-sum minimum. This is the price of treaty access for Germans moving under the forfait. Without the modified election, German dividends paid to a Geneva forfait holder remain subject to full German 26.375% Kapitalertragsteuer plus Soli with no DTT cap; with the modified election, the treaty’s 5%/15% withholding caps apply and German anti-avoidance overrides are constrained.
Build a contemporaneous evidence file: Abmeldebescheinigung from the Bürgeramt; terminated lease or arm’s-length tenancy on the German Wohnsitz; cancelled utility contracts (Stadtwerke, Telekom); GEZ/Rundfunkbeitrag deregistration; Krankenkasse deregistration (Anwartschaftsversicherung if retained); schools deregistered. On the Swiss side: B-permit, registered lease or title deed, Swiss health-insurance enrolment, written cantonal forfait ruling (if elected, with the modifiziert election expressly noted), Swiss bank statements, and a contemporaneous travel log. Both Germany and Switzerland are full CRS participants — Swiss financial accounts of any individual the Finanzamt considers a German taxpayer are reported automatically.
Step 5: First-year compliance and the §2 AStG ten-year tail
In the German year of departure file a final Einkommensteuererklärung as a Welteinkommens-/inländisches Einkommens-Splitting: worldwide income for the period of unlimited liability (1 January to departure date), German-source income only thereafter. The §6 AStG Wegzugsteuer assessment is filed on the same return, with the seven-year instalment election (§6 Abs. 4 AStG) explicitly requested and the post-Wächtler FMP basis cited where relevant.
Then the §2 AStG erweiterte beschränkte Steuerpflicht trap. This rule extends limited-tax-liability for German-source income for 10 years after departure to any German national who:
- Was unlimited tax-resident for at least 5 of the 10 years before departure,
- Moves to a Niedrigsteuerland (low-tax country) under §2 Abs. 2 AStG, and
- Retains wesentliche wirtschaftliche Inlandsinteressen (substantial economic ties to Germany).
Under standard Swiss taxation Switzerland is generally not a Niedrigsteuerland — combined federal/cantonal/communal rates of 22–45% are above the §2 AStG one-third threshold. Under the lump-sum regime, however, the Bundeszentralamt für Steuern’s view (BMF Schreiben to AStG, 2023) is that the forfait can result in Swiss taxation more than one-third below comparable German taxation, in which case Switzerland qualifies as a low-tax country for the individual concerned. The practical effect: forfait holders with retained German real estate above €154,000, a 1%+ German GmbH stake, or German business income above €62,000 / 30%-of-total may be pulled into the §2 AStG net for ten years — German-source income taxed at full-resident rates with Soli payable. Liquidate or restructure German economic ties before departure to escape this regime cleanly.
Swiss-side compliance: file the cantonal Steuererklärung annually under either the standard regime or the negotiated forfait; renew the B-permit; maintain 183+ days of presence; review the forfait ruling every 5 years (or earlier on material expenditure changes).
Cost & Timeline
| Phase | Cost | Time |
|---|---|---|
| German tax planning + §6 AStG / §2 AStG modelling | €10,000–€40,000 | 2–6 months |
| §6 AStG Wegzugsteuer (founders only) | up to ~28% × FMV gain, in 7 instalments | Filed with departure return |
| Final Einkommensteuererklärung + Abmeldung | €1,500–€6,000 | By 31 July of following year |
| Swiss canton selection + forfait pre-ruling | CHF 50,000–250,000 | 2–6 months |
| Swiss housing (long-term lease or purchase) | CHF 5,000–30,000+/month rent; CHF 2–5M+ to buy | Pre-application |
| B-permit application + registration | CHF 5,000–20,000 | 6–12 weeks |
| Mandatory Swiss health insurance | CHF 4,000–10,000+/yr per adult | Within 3 months of arrival |
| Annual forfait tax (federal min. base) | CHF 435,000+ plus cantonal minimum | Annual |
| Annual advisory / tax-rep retainer | CHF 30,000–80,000+ | Annual |
| Total upfront, year-1 (housing + advisory + first tax bill) | CHF 700,000–CHF 2M+ | 6–12 months |
The dominant committed cost is the annual lump-sum: realistically CHF 600,000–CHF 1,000,000+ depending on canton and expenditure profile. The dominant flexible cost is the §6 AStG Wegzugsteuer for founders within scope — a 10% GmbH stake with €5M of accrued gain produces roughly €1.35M in deemed-disposal tax, payable across seven instalments of ~€193K each.
Treaty Considerations
The DE-CH double tax convention (1971, as amended) is the structural difference between this corridor and Germany-to-Monaco or Germany-to-UAE. Article 4 provides the OECD-pattern tie-breaker, Articles 10–12 cap withholding (5%/15% on dividends, 0% on most interest, 0% on most royalties under the 2010 Protocol), Article 17 governs pensions, and Articles 24–25 contain the anti-discrimination and mutual-agreement procedures.
The defining clause for Germany-to-Switzerland movers is Article 4 paragraph 6: an individual taxed in Switzerland on an expenditure basis (i.e. forfait) is excluded from treaty residence — meaning German withholding and §50d EStG anti-avoidance overrides apply at full domestic rates — unless the individual elects modifizierte Besteuerung nach dem Aufwand (modified forfait). Under the modified forfait, German-source income, treaty-protected income, and Swiss-source income are taxed at ordinary Swiss rates on top of the lump-sum minimum, restoring full treaty access. Most German-origin forfait holders elect the modified version; the incremental Swiss tax is small relative to the German withholding and §2 AStG protection it secures.
A separate DE-CH inheritance tax treaty (1978, in force since 1980) allocates inheritance tax rights between the two states and provides a five-year German nationality tail under Article 4(4). German nationality continues to attract Erbschaftsteuer on worldwide estates for 5 years after departure (extended in effect through §2 AStG to 10 years for forfait holders treated as Niedrigsteuerland movers).
Common Mistakes
- Keeping a German Wohnsitz “for visits”. A retained Munich apartment or Tegernsee weekend home re-establishes unbeschränkte Steuerpflicht. The test is available and used, not primary.
- Triggering §6 AStG by accident. Founders structured around partnerships (KG, GmbH & Co. KG) who convert to a GmbH within seven years of departure walk straight into Wegzugsteuer.
- Electing standard forfait without the modifiziert option. Without it, you lose DE-CH treaty access entirely — German dividends suffer full domestic withholding and §50d EStG overrides apply.
- Underestimating §2 AStG under the forfait. Standard Swiss taxation is not a Niedrigsteuerland; the forfait can be — and often is — for the BZSt’s purposes. Retained German real estate, GmbH stakes, or German business income above the §2 AStG thresholds keep you in the German net for ten years.
- Picking a canton that has abolished the forfait. Zurich, Basel-Stadt, Schaffhausen, Appenzell Ausserrhoden and Basel-Landschaft are out — newcomers must pick a forfait-active canton or accept ordentliche Besteuerung.
- Skipping the Abmeldung at the Bürgeramt. Without a formal Abmeldebescheinigung citing the Swiss address, the Meldebehörde keeps treating you as resident and Krankenkasse / GEZ / tax assessments continue accordingly.
FAQ
Will I still have to file a German tax return after moving to Switzerland?
For the year of departure — yes, a final Einkommensteuererklärung covering worldwide income to the departure date and German-source income only thereafter, plus the §6 AStG Wegzugsteuer assessment if applicable. After that, only if you have German-source income (rental property, GmbH dividends, director’s fees, German pension) or fall within §2 AStG — which under the forfait can apply for ten years.
Does the DE-CH treaty actually protect me on the forfait?
Only if you elect the modifizierte Besteuerung nach dem Aufwand under Article 4(6) DE-CH DTT. The standard forfait is treated as expenditure-based taxation that excludes you from Swiss treaty residence; the modified forfait taxes your German-source and treaty-protected income at ordinary Swiss rates and restores access. Plan for the modified election from day one.
How much is the §6 AStG Wegzugsteuer in practice?
It applies only to corporate shareholdings of 1%+ held by individuals who were unlimited German tax-residents for 7 of the last 12 years. The deemed gain is taxed under the Teileinkünfteverfahren — 60% of FMV-minus-cost taxed at marginal rate plus Soli — typically about 28% of unrealised gain for top-bracket exiters. Payable in seven annual instalments under §6 Abs. 4 AStG; for moves to Switzerland under the EU FMP, the Sicherheitsleistung normally required for non-EU/EEA jurisdictions has historically been waived in line with the Wächtler ruling.
Can I keep my GmbH stake and Hamburg apartment after moving?
A retained Hamburg apartment that remains “available” can re-establish Wohnsitz — convert it to an arm’s-length tenancy (12+ months, third party, not family). A retained GmbH stake of 1%+ both triggers §6 AStG on departure and keeps you in the §2 AStG ten-year net afterwards under the forfait. Most clean exits dispose of the German GmbH stake or restructure to a non-§6 form before departure.
Which canton should I pick?
For HNW forfait moves, Zug, Schwyz, Nidwalden, Valais and Ticino tend to be most competitive on cantonal minimum tax; Geneva and Vaud cost more but offer easier French-language schooling and direct flights from Genève-Cointrin. Avoid Zurich and Basel-Stadt — both have abolished the forfait. Always negotiate a written cantonal ruling before moving — verbal indications are not binding.
How long does the full move take?
Realistically 6–12 months from first planning meeting to issued B-permit and signed forfait ruling. Critical path is usually the cantonal forfait pre-ruling negotiation (2–4 months) and Swiss banking onboarding under CRS / FATCA review.
Next Step
For the full destination-side breakdown, see Tax-Free Residency in Switzerland. For the broader exit framework, see How to Legally Exit a High-Tax Country. For comparable European 0% alternatives without DTT cover, see Germany to Monaco.
Book a free consultation — we specialize in Germany-to-Switzerland forfait relocations and §6 AStG / §2 AStG planning specifically.
Last updated: 2026-04-27
Sources:
– Bundesministerium der Finanzen — Außensteuergesetz §§ 2, 6 (https://www.gesetze-im-internet.de/astg/)
– BMF — Anwendungsschreiben zum Außensteuergesetz, Stand 2023 (https://www.bundesfinanzministerium.de)
– DE-CH Doppelbesteuerungsabkommen 1971 (idF 2010 Protocol), Article 4(6) (https://www.estv.admin.ch/)
– CJEU C-581/17 Wächtler (26 February 2019) — exit tax and EU-CH Free Movement of Persons Agreement (https://curia.europa.eu)
– Swiss Federal Tax Administration (ESTV/AFC) — Lump-sum taxation and modified forfait (https://www.estv.admin.ch/)
– PwC Worldwide Tax Summaries — Germany Individual / Switzerland Individual (https://taxsummaries.pwc.com)