Swiss Succession Planning: Inheritance and Estate

The Importance of Swiss Succession Planning

Succession planning in Switzerland involves navigating a complex intersection of federal civil law, cantonal tax regimes, international treaties, and family dynamics. Swiss inheritance law imposes mandatory provisions that protect certain heirs, creating both constraints and planning opportunities for wealthy families.

For families domiciled in Switzerland — whether Swiss nationals or international residents — a well-structured succession plan is essential to ensure that wealth transfers across generations align with both legal requirements and family objectives.

Swiss Inheritance Law: Core Principles

Forced Heirship (Pflichtteilsrecht)

Swiss law mandates that certain close relatives receive a minimum share of the deceased’s estate, regardless of testamentary wishes. These protected shares — known as reserved portions or compulsory portions — apply to:

• Descendants (children): entitled to three-quarters of their statutory share
• Surviving spouse or registered partner: entitled to one-half of their statutory share

The 2023 revision of Swiss inheritance law reduced the reserved portion for descendants from three-quarters to one-half of their statutory share, significantly increasing testamentary freedom. This reform was the most significant change to Swiss succession law in over a century.

Statutory Shares

Without a will, Swiss law distributes the estate according to a statutory scheme:

Freely Disposable Portion

The freely disposable portion is the share of the estate that is not subject to forced heirship claims. Following the 2023 reform, this portion has increased substantially, giving testators greater flexibility in estate distribution, philanthropic bequests, and business succession arrangements.

Estate and Inheritance Tax

Federal Level

Switzerland imposes no federal inheritance or estate tax. Taxation is exclusively at the cantonal and communal level.

Cantonal Taxation

Cantonal inheritance tax varies dramatically across Switzerland:

• Exempt cantons for spouses and direct descendants: many cantons (including Zürich, Schwyz, Zug, Obwalden, and Nidwalden) exempt transfers between spouses and to direct descendants from inheritance tax entirely
• Taxing cantons: some cantons impose inheritance tax even on direct descendants, at rates typically ranging from 1% to 7%
• Lateral and unrelated heirs: transfers to siblings, extended family, or unrelated persons are taxed at significantly higher rates, reaching 20%–40% in some cantons

Planning Implications

The cantonal disparity in inheritance tax creates significant planning opportunities:

• Domicile selection can substantially impact tax burden on estate transfers
• Lifetime gifts may be subject to gift tax (which in most cantons mirrors inheritance tax rates)
• Timing of domicile changes relative to estate planning requires careful consideration

Wills and Estate Planning Instruments

Holographic Will

A handwritten will — dated, signed, and entirely in the testator’s own hand — is valid under Swiss law without witnesses or notarisation. This simplicity has advantages but also risks: handwriting disputes, unclear language, and lack of professional review.

Public Will (Notarial Will)

A public will is executed before a notary and two witnesses. This form provides greater legal certainty and is recommended for complex estates.

Contract of Inheritance (Erbvertrag)

An inheritance contract is a bilateral agreement between the future deceased and one or more heirs, executed before a notary. It is binding and cannot be unilaterally revoked. Uses include:

• Advance distribution agreements among children
• Spousal arrangements beyond statutory provision
• Business succession arrangements
• Renunciation of inheritance claims

Matrimonial Property Regime

For married couples, the choice of matrimonial property regime has a direct impact on succession. Under the default regime of participation in acquired property (Errungenschaftsbeteiligung), the surviving spouse receives one-half of the couple’s acquired property before the estate is divided. Alternative regimes — community of property or separation of property — produce different outcomes and can be selected through a marriage contract.

Cross-Border Considerations

International Families

For families with connections to multiple jurisdictions, succession planning must address:

• Applicable law: Swiss private international law provides that succession is governed by the law of the deceased’s last domicile, but allows Swiss nationals domiciled abroad to elect Swiss law
• Trust structures: foreign-law trusts may be used to complement Swiss succession planning but must not circumvent forced heirship provisions
• Double taxation treaties: Switzerland has limited succession tax treaties; unilateral relief may be available
• Recognition of foreign wills: Swiss courts generally recognise foreign wills if valid under the law of the place of execution or the deceased’s national law

EU Succession Regulation

Switzerland is not bound by the EU Succession Regulation (Brussels IV), which allows EU residents to choose the law of their nationality for succession purposes. However, Swiss nationals resident in the EU may benefit from Brussels IV by electing Swiss law.

Business Succession

Family Business Transfer

Business succession is a critical element of Swiss succession planning, particularly for the country’s extensive Mittelstand of family-owned enterprises. Key considerations include:

• Valuation: agreement on enterprise value among heirs, often contentious
• Governance transition: transferring management responsibilities across generations
• Equalisation: compensating non-active heirs who do not receive business interests
• Tax optimisation: structuring transfers to minimise cantonal gift/inheritance tax
• Continuity: ensuring the business remains viable during transition

Holding Structures

Swiss holding company structures can facilitate business succession by:

• Separating operating assets from investment assets
• Enabling partial transfers to active heirs while retaining family control
• Providing tax-efficient dividend flows
• Creating governance frameworks for multi-generational ownership

Life Insurance in Succession Planning

Swiss life insurance products play a significant role in estate planning:

• Term life: provides liquidity for estate tax obligations or to equalise inheritances
• Whole life: accumulates cash value that can be transferred outside the estate in certain structures
• Pillar 3a/3b: pension-linked insurance products with specific beneficiary designation rules that may fall outside the estate

Importantly, life insurance proceeds paid to named beneficiaries are generally not subject to forced heirship claims in Switzerland, though the premiums paid may be subject to claw-back if they are disproportionate to the estate.

The Role of Professional Advisors

Effective succession planning in Switzerland requires coordination among:

• Estate planning lawyers: specialising in Swiss inheritance law and international private law
• Tax advisors: navigating cantonal tax optimisation and cross-border tax implications
• Family office professionals: coordinating across all family affairs
• Private bankers: at institutions such as Pictet, Lombard Odier, or ZKB, providing estate banking and execution services
• Notaries: for execution of public wills and inheritance contracts

Common Planning Strategies

Lifetime Gifts

Transferring assets during the testator’s lifetime can reduce the estate subject to forced heirship and, in some cantons, may be tax-advantaged. However, gifts made within the relevant look-back period may be subject to claw-back by protected heirs.

Usufruct Arrangements

Granting a surviving spouse usufruct (right of use and income) over assets while transferring ownership to children can satisfy both spousal provision and intergenerational transfer objectives.

Advance Inheritance (Erbvorbezug)

Parents can distribute assets to children during their lifetime as advance inheritance, which is then offset against the child’s inheritance share. This approach facilitates early wealth transfer while maintaining equity among heirs.

Foundation Structures

Swiss charitable foundations can receive assets outside the forced heirship system, enabling philanthropic objectives while reducing the taxable estate. See our philanthropy guide for details.

Outlook

The 2023 inheritance law reform has created the most significant increase in testamentary freedom in Swiss history. Combined with cantonal tax competition and the growing sophistication of cross-border planning tools — including trusts and international structures — Swiss succession planning is entering a period of enhanced flexibility and complexity.

Donovan Vanderbilt is a contributing editor at ZUG FINANCE. This article is informational and does not constitute investment or financial advice.