Moving to Germany: Tax Returns

USA → Germany · Tax Returns

Moving to Germany: Which tax returns will you need?

Moving from the United States to Germany does not simply mean leaving one tax system and entering another. Once German unlimited tax liability begins, worldwide income generally becomes relevant for German tax purposes. U.S. citizens remain subject to U.S. federal filing obligations at the same time. The year of the move therefore requires careful timing, a review of treaty residence and coordinated German and U.S. tax filings.

Section 1 EStG

German unlimited tax liability generally begins when you establish a residence or habitual abode in Germany

Individuals with a residence or habitual abode in Germany are generally subject to unlimited German income tax liability. The decisive date is therefore not necessarily the date of municipal registration or the date shown on an employment contract.

A German tax residence can arise where a dwelling is available under circumstances indicating that it will be maintained and used. A habitual abode can also arise through a sufficiently long actual stay in Germany.

Once German tax liability begins

Germany generally taxes worldwide income

Once unlimited German income tax liability begins, the analysis is no longer limited to German-source income. U.S. salary, investment income, rental income, self-employment income, retirement benefits and other foreign income must also be reviewed under German tax law.

This does not automatically mean that Germany has the final taxing right over every item. For U.S.-source income, the Germany–U.S. income tax treaty must also be applied.

German and foreign employment income
interest and dividends
stock and fund gains
U.S. real estate
self-employment and business income
401(k), IRA and other retirement plans
other worldwide income

The year of the move

A mid-year move generally creates only part-year unlimited German tax liability

If, for example, you move to Germany in July and only establish a German residence at that point, you are not automatically subject to German tax on worldwide income for January through June.

For the period in which unlimited German tax liability exists, worldwide income is generally calculated under German tax rules. Income earned before the move can nevertheless affect the German tax rate in the year of relocation.

Example

Moving from the United States to Germany during the year

January to June

The individual lives and works exclusively in the United States and has not yet established a German residence. U.S. income from this period may fall outside current German taxation but can still affect the German tax rate for the year.

July: Move to Germany

Unlimited German income tax liability may begin when a German residence is established. The exact date should be determined from the actual housing and living arrangements.

July to December

During the period of unlimited German tax liability, worldwide income must generally be identified and then classified under German tax law and the treaty.

Germany–U.S. tax treaty

If both countries consider you resident, the treaty determines treaty residence

In the year of relocation, an individual can be treated as resident under the domestic laws of both Germany and the United States. The treaty contains tie-breaker rules for these situations.

1. Permanent home

The first question is whether a permanent home is available in one or both countries.

2. Center of vital interests

If permanent homes exist in both countries, the closer personal and economic relationships are considered.

3. Habitual abode

If the center of vital interests cannot be determined, the individual's habitual abode is considered.

4. Nationality

Nationality becomes relevant only at a later stage of the treaty tie-breaker analysis.

U.S. citizens

U.S. citizenship does not automatically mean U.S. treaty residence

A U.S. citizen can become treaty-resident in Germany after moving there. Treaty residence must be distinguished from continued U.S. taxation based on citizenship.

Under the Saving Clause, the United States generally retains the right to tax its citizens under U.S. domestic law in many situations. Double taxation must then be coordinated through treaty rules and Foreign Tax Credits.

determine German domestic residence
determine U.S. domestic tax status separately
apply the treaty tie-breaker where necessary
consider the Saving Clause
coordinate Foreign Tax Credits
reconcile both tax returns

Assets before the move

U.S. investments and retirement assets should be reviewed before German residence begins

Many cross-border tax issues arise not from the move itself but from assets already held in the United States. Germany may treat those assets very differently from the U.S. tax system.

U.S. brokerage accounts

Dividends and realized gains can become taxable in Germany after the move. German calculations are generally made under German tax rules and in euros.

Investment funds and ETFs

German investment tax rules may apply. For U.S. citizens, the U.S. treatment of German and other non-U.S. funds must also be considered.

401(k)

The treaty expressly recognizes qualifying 401(k) arrangements as pension plans. The accumulation phase and later distributions require separate analysis.

Traditional IRA and Roth IRA

IRAs are also treaty-recognized pension plans, although Traditional and Roth accounts should be analyzed separately because their contribution histories differ.

U.S. real estate

U.S. rental property remains a cross-border tax matter after the move. German and U.S. depreciation calculations can differ materially.

Business interests

LLCs, S corporations, corporations and partnerships can create additional German tax, entity-classification and permanent-establishment issues after the move.

Investments

Germany does not automatically step up your U.S. investment basis when you move

For stocks, funds and other investments, the German tax basis must generally be determined under German tax rules and translated into euros. Moving to Germany does not normally create a general automatic step-up to fair market value on the date of immigration.

Large unrealized gains in U.S. brokerage accounts should therefore be identified before the move. A transaction shortly before or after German residence begins can produce very different tax consequences in the two countries.

Employment income

Remote work and employer changes require analysis of where the work is actually performed

Cross-border employment income is not taxed solely based on where the employer is located or where salary is paid. The place where the employment is physically exercised and the treaty allocation of taxing rights are particularly important.

If you continue working for a U.S. employer from Germany after the move, German payroll, social security and employer compliance issues can arise in addition to your personal income tax obligations.

Self-employed individuals and business owners

A U.S. LLC or U.S. corporation should be reviewed separately before moving

Single-member LLC

An LLC that is disregarded for U.S. federal tax purposes is not automatically treated as transparent in Germany. Germany applies its own entity-classification analysis.

S corporation

German tax law does not automatically follow the U.S. S corporation regime. Entity classification, distributions and place of management must be reviewed separately.

Management from Germany

Running a foreign company on an ongoing basis from Germany can create German corporate tax consequences.

Permanent establishment

Business activity carried on from Germany can, depending on the facts, create a German permanent establishment.

U.S. tax return

U.S. citizens generally continue filing Form 1040 after moving to Germany

German tax residence does not replace U.S. federal income tax compliance for U.S. citizens. U.S. citizens generally continue reporting worldwide income to the IRS.

To avoid economic double taxation, the U.S. return should be coordinated with the German tax return, especially with respect to treaty positions and Foreign Tax Credits.

U.S. information reporting

German accounts and investments can create additional U.S. reporting obligations

FBAR

German bank and brokerage accounts can trigger an annual FBAR filing once the applicable aggregate threshold is exceeded.

Form 8938

Depending on filing status, residence and the value of foreign financial assets, Form 8938 may also be required.

PFIC

German investment funds and ETFs can fall under the complex U.S. PFIC regime for U.S. persons.

Foreign corporations

Forming or acquiring an interest in a German company can create additional U.S. international information reporting.

Before moving

The best time for cross-border tax planning is before German tax residence begins

Many tax decisions cannot be optimized retroactively after German tax liability has already started. A structured review several months before the move can identify critical assets and planned transactions in time.

identify unrealized gains in brokerage accounts
review funds and ETFs for German and U.S. consequences
document 401(k), Traditional IRA and Roth IRA accounts
analyze planned Roth conversions
review U.S. LLCs and other entities
identify real estate and rental activity
plan the move date from a tax perspective

First German tax year

Typical process after moving from the United States to Germany

Determine the tax move date

Document housing, arrival, actual presence and any continuing U.S. residence.

Review German and U.S. residence

Domestic tax residence and any treaty tie-breaker analysis are addressed separately.

Separate pre-move and post-move income

The calendar year is divided into the relevant periods and income is assigned accordingly.

Compile worldwide income

Employment, investments, real estate, retirement accounts and businesses are gathered into one cross-border data set.

Prepare the German tax calculation

Income is calculated under German tax law and in euros. Treaty exemptions and progression effects are applied where relevant.

Coordinate the U.S. tax return

Form 1040 and relevant U.S. forms are reconciled with the German calculation and Foreign Tax Credits.

Review information reporting

FBAR, Form 8938 and relevant business or investment reporting are integrated into the filing process.

Perform a cross-border reconciliation

Income, tax, exchange rates and treaty positions are cross-checked before filing.

Documents

Documents that are particularly important in the year of the move

Move documentation

Lease agreement, move-in date, registration certificate and, where relevant, evidence concerning the termination or continuation of a U.S. home.

U.S. income forms

W-2, 1099, K-1, 1099-R and other U.S. income documentation.

Brokerage statements

Annual statements, historical basis information and complete transaction records.

Retirement accounts

401(k), IRA and Roth IRA statements, including historical contributions and rollovers where available.

U.S. tax returns

Prior-year returns, including Foreign Tax Credit carryforwards and relevant international forms.

Business documents

For LLCs, corporations and partnerships: formation documents, tax returns, ownership records and financial statements.

Common mistakes

What is often overlooked when moving from the U.S. to Germany

Treating the entire calendar year as German-resident

For a mid-year move, the actual start of unlimited German tax liability must be determined.

Ignoring pre-move income

Even if it is not directly subject to German income tax, pre-move foreign income can affect the German tax rate under the progression proviso.

Using U.S. tax values in Germany

U.S. taxable income, tax basis and depreciation are not automatically the correct German tax values.

Reviewing the brokerage account only after moving

Large unrealized gains and historical basis information should be known before German tax residence begins.

Continuing a U.S. LLC without analysis

German entity classification and possible place-of-management or permanent-establishment consequences should be reviewed before the move.

Preparing German and U.S. returns independently

Without coordination, Foreign Tax Credits, treaty positions and taxable income calculations can become inconsistent.

Related guidance

Moving from the U.S. to Germany

When do I become taxable in Germany after moving?

Unlimited German income tax liability generally begins once you establish a German residence or habitual abode. The municipal registration date alone is not necessarily decisive.

Do I have to pay German tax on my entire U.S. income for the year I move?

Not automatically. If you move during the year, the period before and after the beginning of unlimited German tax liability must be distinguished. Pre-move foreign income can nevertheless affect the German tax rate.

Do I have to report my U.S. accounts and investments in Germany?

Income and taxable transactions from U.S. bank and brokerage accounts generally have to be reviewed under German tax law during German residence. The mere existence of an account does not by itself create German income tax.

Do my stocks receive a step-up to fair market value when I move to Germany?

A general automatic step-up does not normally arise merely because you move to Germany. Historical acquisition costs should therefore be preserved.

Do I still have to file a U.S. tax return as a U.S. citizen?

Generally yes. U.S. citizens remain subject to U.S. federal income tax filing requirements after moving abroad. The U.S. return should be coordinated with the German tax return.

How is double taxation avoided?

The Germany–U.S. tax treaty allocates taxing rights, and Foreign Tax Credits can provide additional relief. Which country grants relief depends on the type of income and the applicable treaty provision.

What happens to my 401(k) or IRA?

401(k), Traditional IRA and Roth IRA arrangements can qualify as pension plans under the treaty. The accumulation phase and later distributions require separate German and treaty analysis.

Can I simply continue operating my U.S. LLC after moving?

The LLC can continue to exist legally, but its German tax treatment should be reviewed before the move. Germany does not automatically follow the U.S. classification as a disregarded entity or partnership.

Which tax returns will I need in the first year?

Depending on the facts, this can include a German income tax return and, for U.S. citizens, continued Form 1040 filing. FBAR, Form 8938 and additional U.S. or German filings may also apply to investments, entities and other cross-border matters.

Should tax planning begin before the move?

For larger brokerage accounts, retirement plans, real estate, U.S. entities or planned sales and Roth conversions, pre-move analysis can be particularly valuable because German tax residence may materially change the tax treatment.

Germany–U.S. tax advice

Are you moving from the United States to Germany?

We review the start of German tax liability, treaty residence, income before and after the move, U.S. investments, retirement accounts and business structures. We then coordinate the German and U.S. tax filings as one integrated cross-border case.

Schedule an initial consultation