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Specialist Planning Guide

Inheritance Tax Planning for Complex Estates

Inheritance tax planning is the process of reviewing ownership, lifetime gifts, trusts, liabilities and liquidity alongside a person's wider estate objectives. For transfers from 6 April 2025, the treatment of overseas assets depends in part on long-term UK residence rather than domicile, as well as assets, family circumstances and current legislation.

This information does not constitute personal financial advice. You should seek independent, regulated advice before making financial decisions.

For families with company interests, property, investments or international connections, inheritance tax planning is an ongoing governance exercise rather than a single transaction. This guide explains the questions that may help shape a proportionate review.

This guide is part of our comprehensive specialist service. Return to our main High Net Worth Financial Planning overview to see how these elements coordinate.

Our high net worth financial planning pillar provides the broader framework for connecting estate, investment, protection and family decisions. This page is general information, not personal tax or legal advice.

Definition

Inheritance tax planning is the careful organisation of an estate and lifetime arrangements to understand and manage potential inheritance tax exposure within the law.

How do I map a complex estate?

A useful review records assets, liabilities, ownership, beneficiary designations, business interests and relevant lifetime transfers. Valuation, control and access can matter as much as headline value.

Keeping a dated balance sheet and document register may help advisers identify gaps without assuming that every asset receives the same treatment.

How could I provide estate liquidity?

An estate may hold valuable assets that are difficult to sell or transfer. Cash-flow modelling could explore how liabilities might be met while preserving a family business, property or investment mandate.

Insurance, reserves and orderly disposals each carry different costs and risks, so decisions should be tested with tax and legal advisers.

How might gifts affect control and family life?

A gift can alter control, access, investment risk and family relationships as well as the eventual estate position. The donor's needs, capacity and intended recipients should remain central.

Records of intentions and advice may reduce misunderstanding, but they do not remove the need to revisit arrangements after marriage, divorce, a birth, a death or a change in legislation.

How should my professional advisers work together?

Financial planners, solicitors, accountants and investment managers may each hold part of the picture. A written responsibility map can clarify who advises on law, tax, investments and implementation.

Cross-border assets and family members may require advice in more than one jurisdiction. UK guidance should not be treated as a substitute for local advice.

Risks and Considerations

  • Tax rules and their interpretation may change.
  • Gifting can affect control, access, benefits and family relationships.
  • Investment values and liquidity are not guaranteed.
  • Cross-border estates may require advice in multiple jurisdictions.
  • Capital is at risk. The value of investments and any income from them can fall as well as rise. You may not get back the full amount invested. Past performance is not a reliable indicator of future results.

Frequently Asked Questions

When should an estate be reviewed?

A review may be sensible after a major life, asset or legislative change and at regular intervals. The right cadence depends on complexity and family circumstances.

Does a gift always reduce tax exposure?

No. Treatment depends on the gift, timing, retained benefit, recipient and wider circumstances. Obtain tailored tax and legal advice before acting.

Can a family business be protected?

Planning may help clarify ownership, succession and liquidity, but protection depends on the business, legislation and the family's objectives.

Is this page personal tax advice?

No. It is informational content only. A regulated adviser and appropriate tax or legal professional can assess your position.

This information does not constitute personal financial advice. You should seek independent, regulated advice before making financial decisions.

Discuss your estate planning questions

A confidential initial conversation may help identify the information and professional input required. Any next step depends on your circumstances and appropriate professional advice.

Investment & Pensions Risk: Capital is at risk. The value of pensions and investments and the income they produce can fall as well as rise. You may get back less than you invested. Past performance is not a reliable indicator of future results.

Regulatory Notice: Estate and inheritance planning is not regulated by the Financial Conduct Authority.