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Moving to Switzerland from Germany

The Swiss side is the easy part. The German exit is the expensive part. What §6 AStG actually costs in 2026, how the treaty keeps German tax in your life for years afterwards, and what the 1978 inheritance treaty does and does not do.

By Andrew Sisto. Founded and exited a venture-backed company; ran corporate development at another. Now runs a family office in Zug. American, Swiss tax resident.

~18 min readPublished May 2026Sources: BMF, BFH, ESTV, EY, Noerr, Forvis Mazars, KPMG

01

Why Germans are looking at Switzerland in 2026

For a wealthy German, Switzerland is not really a tax destination. It is the place you go because the German stay-put has stopped making arithmetic sense. The Swiss side of the move is straightforward. The German side is not.

The current German combined burden on a high earner is heavy by European standards. The top marginal income tax rate (Reichensteuersatz) is 45% on taxable income above €277,826 for a single filer, and €555,652 for a jointly assessed married couple, unchanged since 2022 (Finanztip 2026). Apply the 5.5% solidarity surcharge to the resulting tax, and the federal marginal sits near 47.5%. Add church tax if you are a member: 8% or 9% of the income tax, depending on the Land. Many high earners face an effective marginal above 48% on the last euro earned.

Capital and equity carry their own pressure. Private capital gains on shareholdings of less than 1% in a corporation are taxed under the flat capital-gains regime (Abgeltungsteuer) at 25% plus solidarity. Gains on 1% holdings, the typical founder case, fall into §17 EStG and are taxed under the partial-income method (Teileinkünfteverfahren) at up to roughly 28.5% effective. Dividends are taxed at the same rates. The 1% threshold is low and catches almost every operating-business shareholder.

A recurring political pressure also matters, though only as a possibility. Germany has not levied a wealth tax since 1997, after a 1995 Federal Constitutional Court (Bundesverfassungsgericht) ruling that the tax as structured breached the Basic Law and the legislature let it lapse rather than enacting a reform within the deadline (BVerfG, decision of 22 June 1995, 2 BvL 37/91). Successive coalitions have debated its reintroduction. None has legislated it. Founders treat the debate as a tail risk to plan around rather than a current cost.

Inheritance tax is more concrete. Germany taxes inheritances and gifts under a progressive schedule that runs from 7% to 50%, depending on the relationship and the size of the transfer. For lineal descendants the relevant rates are 7% to 30%. The personal allowance for a child is €400,000 per parent under §16 ErbStG (Anwalt.de Erbschaftsteuer 2026). For a Mittelstand family with a business valued in tens of millions, the succession event is the single largest tax exposure of a generation.

The strange thing about a German move to Switzerland is that the Swiss destination is the easy part. Cantonal tax variance is wide and well documented. Permits are straightforward for an EU national. The expensive part is the exit. The rest of this guide is about the exit.

02

The exit tax (Wegzugsteuer)

A wealthy German with shares in a private company cannot leave Germany cheaply. The exit tax (Wegzugsteuer) treats departure as if every qualifying shareholding had been sold the day before. The bill is calculated on a gain that has not actually been received.

Three conditions trigger it.

  1. The individual has been an unrestricted German tax resident for at least seven of the previous twelve years.
  2. The individual holds, alone or together with related parties, at least 1% of the capital of a corporation, at any point in the prior five years. The 1% test is set out in §17 EStG and catches almost every founder.
  3. The unrestricted German tax residence ends. Moving to Switzerland is enough.

A 2025 reform widens the net. The Annual Tax Act 2024 (Jahressteuergesetz 2024) extended the exit tax to substantial holdings of investment-fund units held as private assets, with effect from 1 January 2025 (Noerr, January 2025; CMS Hasche Sigle, December 2024). The new rules sit in the Investment Tax Act (Investmentsteuergesetz, §19 and §49 InvStG) and refer back to §6(2)–(5) AStG.

The deemed gain equals the fair market value of the qualifying interest on the day of departure, minus the original acquisition cost. For unlisted operating companies the valuation is itself contested. The tax office and the taxpayer routinely arrive at very different numbers. Valuation disputes are the most common form of post-departure litigation in this area.

The tax rate is high but not flat. Sixty per cent of the gain is included in the individual's regular income-tax base under the partial-income method (Teileinkünfteverfahren). The remaining 40% is exempt. For a top-rate individual this produces an effective rate of about 28.5% on the headline gain once the solidarity surcharge is applied. Church tax adds roughly one further percentage point if applicable.

The payment regime is now contested. The statute, in §6(4) AStG, says the tax can be paid in seven equal annual interest-free instalments on application, generally requiring security such as a bank guarantee. This is the position the tax administration applies as standard (§ 6 AStG, gesetze-im-internet).

For a move to Switzerland specifically, there is a second route. The Federal Fiscal Court (Bundesfinanzhof) ruled on 6 September 2023 in case I R 35/20 (the Wächtler follow-up) that the EU–Switzerland Agreement on the Free Movement of Persons requires Germany to defer the exit tax permanently and interest-free until the shares are actually sold, with the deferral conditioned on the provision of security (BFH I R 35/20). The Federal Ministry of Finance accepted this position in its letter of 2 June 2025(DStR 2025, 1282) — but only for taxpayers who relocated to Switzerland on or before 31 December 2021 (the “old cases”, Altfälle) (Noerr on BMF Schreiben).

For moves on or after 1 January 2022 the BMF letter is silent. Leading German tax firms argue that the BFH's reasoning extends to those post-reform cases too. The conservative working assumption is that the tax administration will apply the statutory seven-instalment rule, and that litigation will be required to obtain indefinite deferral.

There is one route back to a zero bill. The return clause (Rückkehrerregelung, §6(3) AStG) cancels the assessment retroactively if the taxpayer becomes unrestrictedly resident in Germany again within seven years of departure. The window can be extended to twelve years on application. The conditions are strict. The taxpayer must show that the original move was not intended as a permanent expatriation. The shares must still be held at the time of return. A sale in the intervening period defeats the relief.

For a typical German HNW move to Switzerland, the §6 AStG bill is the single largest financial event of the relocation. For a founder with €20–50 million in private shareholdings it is usually larger than several years of post-move Swiss tax savings combined. It dominates the planning calendar.

The year before departure is where the planning lives. Some gains may be best crystallised before leaving. Some shares may be gifted to children at a lower combined cost. Some holdings may be restructured out of the §17 EStG perimeter. Competent DE-CH advice on the sequence and timing is non-negotiable.

03

The treaty grip: überdachende Besteuerung and §2 AStG

The exit tax is a one-off event. The treaty grip is a multi-year overlay. For a German national who moves to Switzerland but stays connected to Germany, the German tax office continues to assess income and assets for years after the move. Two provisions matter most.

The first sits in the income tax treaty (Doppelbesteuerungsabkommen Deutschland–Schweiz, DBA-Schweiz). Article 4(4) is the so-called overriding-taxation clause (überdachende Besteuerung). Where a person becomes resident in Switzerland but does not hold Swiss nationality, and was unrestrictedly tax resident in Germany for at least five years in total before leaving, Germany can continue to tax German-source income in the year of departure and the five following years (Deloitte Tax-News on Art. 4(4) DBA-Schweiz). Switzerland gives credit for the German tax paid. The five-year count is not continuous; periods can be aggregated. The window is six years long, counting the year of departure.

The second provision sits in domestic German law: the extended limited tax liability (erweiterte beschränkte Steuerpflicht) of §2 AStG. It applies only to German nationals. It catches a person who:

  1. has been unrestrictedly tax resident in Germany for at least five of the ten years before departure;
  2. moves to a low-tax country (Niedrigsteuerland) under §2(2) AStG, broadly where the foreign tax burden on the relevant income is less than two-thirds of the comparable German tax; and
  3. retains substantial economic interests in Germany. The threshold tests under §2(3) AStG are a 1% German company shareholding, a German business, German-source income above €62,000 or more than 30% of worldwide income, or German-located assets above €154,000 or more than 30% of worldwide assets (§ 2 AStG, gesetze-im-internet).

Where the three conditions overlap, Germany taxes German-source income on an extended basis for the year of departure plus the following ten years. A safe-harbour applies if relevant German income falls below €16,500 in the year in question.

Most ordinary cantons at typical income levels do not trigger the low-tax test. The very low cantons — Zug, Schwyz, Nidwalden, Obwalden, Uri — can do so at high incomes, depending on the composition of the German-source income.

The Swiss lump-sum or expense-based regime (Pauschalbesteuerung, also called Aufwandbesteuerung) sits in its own category and is rarely a clean answer for a German national. Three things happen at once if a German national elects it.

  1. Under Article 4(6) DBA-Schweiz, the person is treated as not resident in Switzerland for treaty purposes. Treaty benefits are forfeited — for example, the reduced German withholding tax on dividends paid into Switzerland (Personalwirtschaft on Pauschalbesteuerung treaty effects).
  2. §2 AStG's low-tax-country test is easy to satisfy on a Swiss lump-sum, because the deemed Swiss base is by design much lower than the worldwide income it covers. That makes §2 AStG extended limited tax liability much more likely to apply for its full ten years (§ 2 AStG, gesetze-im-internet; Personalwirtschaft). The Article 4(4) treaty window itself stays at six years.
  3. The Swiss lump-sum tax actually paid cannot be credited against the German tax.

A modified lump-sum (modifizierte Pauschalbesteuerung), under which the taxpayer agrees with the canton to include German-source income in the Swiss base on a top-up basis, preserves treaty access in many cases. This is the version pragmatic advisers structure where the Pauschalbesteuerung is being seriously considered. Even then it is rarely the simple shelter that the marketing version suggests.

The practical outcome is that a German national moving to Switzerland on the ordinary cantonal regime typically remains in some form of German income-tax reach for six years (treaty overriding-taxation window) to ten years (§2 AStG, where it applies). A founder taking the lump-sum route, badly structured, can remain inside the German net for ten years on a worse basis than ordinary cantonal taxation would have given. Specialist DE-CH dual-qualified advice on this point is non-negotiable.

04

What Switzerland costs and what you keep

The Swiss side is the easier part of the move, and it is also the part most often described in marketing terms. The numbers are real but moderate compared to the German exit. They are also wildly different from canton to canton.

Switzerland taxes personal income at three layers: federal, cantonal, and communal. Direct federal tax (direkte Bundessteuer) is capped at 11.5% at the top bracket. Cantonal and communal rates vary by an order of magnitude. The same household on the same income can pay roughly twice the total tax in Geneva that it pays in Zug.

Each canton also levies a wealth tax (Vermögenssteuer) on a different base from the German constitutional concept. It applies to worldwide net wealth at modest rates that vary widely by canton. Several cantons apply a cap on the combined wealth-plus-income tax under various local names. The figures are noticeable but not dominant.

For a German arrival running the actual numbers, the question is not whether Switzerland is “cheaper” in the abstract. It is what the after-Wegzugsteuer, after-überdachende, after-§2 AStG net looks like in years one, five, and ten. Two illustrative households make the gap visible.

A note on indirect tax. Swiss VAT (Mehrwertsteuer) is 8.1% at the standard rate, against the German 19%, and stays at 8.1% throughout 2026 (ESTV VAT rates). On large discretionary spending — cars, furnishings, renovations — the difference compounds. Against this, Swiss labour-intensive services run noticeably more expensive per hour than German equivalents. The net effect is modest and offsets in both directions.

The cross-country tax calculator on this site can re-run all of these with your specific numbers. The result is indicative, not advice. It sets the order of magnitude.

05

Permits, integration, and the honest timeline

The permit picture for a German arrival is simpler than for an American or a British one. Germany is an EU member state, and the EU–Switzerland Agreement on the Free Movement of Persons (FZA / Freizügigkeitsabkommen) gives German nationals broadly open access to the Swiss labour market.

In practice this means three things. A German with a Swiss employer normally receives a B-permit (Aufenthaltsbewilligung B) for five years, renewable. Self-employed Germans are admissible if they can demonstrate viable self-employment. The C-permit (Niederlassungsbewilligung, settlement) becomes available after five years of continuous residence for EU/EFTA nationals, rather than the ten-year wait third-country nationals face.

The cross-border commuter (Grenzgänger) route is a half-step worth understanding for southern Germans. A person resident in Germany who works in Switzerland and returns daily is taxed primarily in Germany under Article 15a DBA-Schweiz. Switzerland may withhold up to 4.5% of gross compensation at source, credited against the German income tax. If the worker, for work-related reasons, fails to return home on more than 60 working days in the calendar year, Grenzgänger status is lost. The income then falls under the standard treaty Article 15 rules instead (EY on Article 15a DBA-Schweiz).

This is rarely the right structure for a full HNW relocation. It is sometimes the right structure for a German executive who wants to test a Swiss role without changing residence.

Language is the part that German arrivals routinely under-budget for. Hochdeutsch carries you through administrative life across the German-speaking cantons. Swiss German (Schwiizerdütsch) does not become passively comprehensible without effort. Twelve to twenty-four months of intentional listening usually closes the gap for an adult arrival. School-age children pick it up on a different curve. Family arrivals choose between a Swiss public school in the local language, an international school at CHF 25,000–45,000 per child per year, and a German-curriculum school where one is available.

Civic integration runs at the commune level. A German moving to Baar in Zug needs to think about Baar. Recycling rules, building permits, school catchment, the local Verein — all sit with the commune. Most Germans who stay in Switzerland after five years are the ones who engaged with that level early.

06

Decision tree and next steps

Most German readers arriving here fall into one of four buckets. The right first step is different for each.

Three concrete next steps hold regardless of category.

  1. Model the actual numbers. The cross-country tax calculator compares the German position against your chosen Swiss canton at your real income, wealth, and household structure. The output is directional. It sets the order of magnitude.
  2. Engage a DE-CH dual-qualified tax adviser before disposing of German assets, restructuring shareholdings, or setting a move date. Most of the costly mistakes in this space are pre-move asset moves that miss §6 AStG, §17 EStG, the Article 4(4) carve-out conditions, or the §2 AStG low-tax test.
  3. Address the inheritance-tax tail explicitly. Germany retains unrestricted inheritance and gift tax reach over the worldwide estate of German nationals for five years after they leave, under the extended unrestricted liability of §2(1) No. 1 lit. b ErbStG. The Germany–Switzerland estate tax treaty of 30 November 1978 is in force and resolves double-taxation on transfers on death, but it does not cover lifetime gifts. The treaty preserves German overriding-taxation rights where the decedent had a permanent home (ständige Wohnstätte) in Germany for at least 5 of the 10 years before giving up that home (Art. 4(3) of the 1978 Erbschaftsteuer-DBA; note that this is a different five-year test from the income-tax Art. 4(4) DBA in Section 03). A coherent gift-and-bequest plan needs to be in place before the move, not after.

For parallel country views, see our companion guides: Moving to Switzerland from France (the article 167 bis exit tax, the direct analogue of Wegzugsteuer), Moving to Switzerland from Italy (the clean-exit counterpart to this page — no individual exit tax), Moving to Switzerland from the United Kingdom (post-non-dom April 2025 and the ten-year IHT tail), and Moving to Switzerland from Norway (the wealth-tax and exit-tax arithmetic). The mechanics differ. The discipline of running primary-source numbers before signing a lease does not.

Run your own numbers

Compare your German position against a candidate canton.

The cross-country tax calculator runs your gross income, household structure, and wealth through both jurisdictions side-by-side, at commune-level precision on the Swiss side.

Open the cross-country tax calculator →

Primary sources

This page is general information, not personalised tax or legal advice. German and Swiss tax law change frequently, and the interaction between §6 AStG, the EU-Switzerland Free Movement Agreement, and the DBA-Schweiz is currently a live legal area. Before making decisions involving meaningful sums, consult an adviser qualified in both jurisdictions.