What is complex family estate planning?
Complex family estate planning means organising how your wealth will be owned, looked after, and passed on when several things in your life affect each other. That might be a family business, property, pensions, existing trusts, assets abroad, a blended family, or simply several generations with different needs. It's broader than writing a will or thinking about inheritance tax. It links what you want for your family with your financial, investment, legal, and tax arrangements.
At a glance: six areas to bring together
- Purpose: what you want your plan to achieve
- People: who's involved, what they need, and what part they'll play
- Property and assets: what you own, where it is, and how easily it can be shared
- Ownership: who legally owns and controls each asset
- Liquidity and tax: whether there'll be cash when it's needed
Review and coordinated professional support: how your plan keeps up with life
What makes estate planning more complex for wealthy families?
It's usually about how different parts of your family life and wealth affect each other, rather than how much there is. An estate with a family business and children from more than one relationship can take more thought than a simpler estate with stocks held in a single investment portfolio.
Things that tend to add complexity include:
- Several generations, each at a different stage of life
- A business that's hard to value, divide, or sell quickly
- Family homes, farmland, or holiday properties that mean as much emotionally as financially
- Assets, family members, or homes in more than one country
- Existing trusts, pensions, or earlier gifts that already shape who benefits
- Changes such as marriage, remarriage, divorce, or bereavement
Any one of these is usually manageable. It's when they meet or overlap that questions can start to appear. A will might share an estate equally, while an agreement between the business owners limits who can own its shares.
The person you've nominated to receive pension benefits might not have been updated since a change in relationship. Tax might need to be paid while most of the estate's value is tied up in property or a company.
Moments like a business sale, a significant inheritance, or a change in your family – such as a separation or the arrival of a new family member – are good times to step back and look at the whole picture. They're often when these questions come to light, and when there's a chance to answer them well.
What should a joined-up family estate plan coordinate?
A joined-up plan brings together six connected areas. Taking them one at a time shows how a decision in one place affects another.
- Purpose. Start with what you want your plan to do. That might be security for a spouse or partner, fair support for children or grandchildren, keeping the business in the family, or supporting causes you care deeply about. Once you know what matters most, the harder choices become easier to make.
- People. Think about everyone your plan affects, from the people who’ll inherit to those you’ll trust to act for you. This could include your executors and trustees, anyone you’ve given legal authority to make decisions for you through a power of attorney, and whoever might run the business next. Consider what each person needs and whether they're ready.
- Property and assets. Build a clear picture of what you own, where it's held, and how each asset behaves. Some things are easy to sell or share. Others, like a business or your family home, aren't. It's worth noting what's held jointly, linked to a business, or based abroad.
- Ownership. Check who legally owns and controls each asset today. It might be you, you and someone else jointly, a company, a partnership, or a trust. How something is owned often determines what you can and can't do with it when it comes to passing it on.
- Liquidity and tax. Put simply, will there be cash when it's needed? That could be to pay tax, cover living costs, or help balance what everyone receives. Tax matters, but it works best as one consideration among many.
- Review and coordinated professional support. Decide how your plan will be kept up to date, and who'll make sure your financial, legal, and tax advice still fits together. Agree which events, such as a birth, a business sale, or a change in the rules, should prompt a fresh look.
Think of these six areas as a way to spot where things don't quite line up. A drawer full of well-written documents isn't the same as having a plan, especially if each was written at a different time.
How should different family needs and responsibilities be considered?
Start by accepting that people in the same family can need very different things. Treating everyone identically can feel fair, but an equal split isn't always the right one for your family.
Perhaps one child works in the business and the others don't. Someone may need long-term support or protection. A spouse or partner may need security, while children from an earlier relationship also expect to benefit. Grandchildren may be years away from looking after significant wealth. Each of these situations raises questions about timing, control, and fairness, and it's better to answer them on purpose than to leave them to chance.
Who makes decisions matters just as much as who inherits. It's worth thinking about who would act for you if you couldn't make decisions yourself. Who will be your executors or trustees? Executors deal with your estate and carry out the wishes in your will after you die. If you have a trust, trustees are responsible for looking after its assets and managing them for the people who benefit. Who will lead the business?
These roles call for different strengths, and the right person for one role may not suit another. Look for people with the time, good judgement, and the trust of the rest of the family. It's also worth having a back-up in mind for each role, in case your first choice can't or doesn't want to step in.
Talking openly can make a real difference. Some families share their wishes early, explain the thinking behind an unequal split, or gradually involve the next generation in what they may one day take on. There's no single right way to do this, and no plan can guarantee everyone will agree. But being clear can help reduce uncertainty for the people you care about. If preparing the next generation is on your mind, our article The Great Wealth Transfer: is the next generation ready? looks at it in more depth.
How do assets, ownership, and liquidity affect the plan?
What you own, how it's owned, and liquidity (how quickly it can be turned into cash) all shape what your plan can do. The wishes in your will can only work if your assets, and the way they're owned, support these wishes.
Business interests. A family business can hold much of the family's wealth, but shares can be hard to value, divide or sell. Your estate plan, plans for who will run and own the business, and any shareholder or partnership agreements should work together. It’s also worth considering where cash might come from as you’ll no longer have income from the business, and if other family members are to inherit different assets. If the business is sold, your plan may need to change as wealth tied up in the company becomes money to invest.
Property. Homes, farmland, and holiday properties are often hard to divide, and they can mean a great deal to the people who use them. It might help to think about who will live in, use, or look after a property. And then to consider whether others could benefit in a different way, perhaps through investments or other assets of similar value.
Investments and pensions. Investment portfolios are usually easier to share and can be a useful source of cash, so how they're owned and managed should fit your wider plan. Pensions are often dealt with separately from the rest of your estate, so it’s worth checking that the people you’ve nominated to receive the benefits still reflect your wishes.
Cash when it's needed. An estate can be valuable on paper but short of ready money. Planning ahead for where cash will come from can help your family avoid selling something at the wrong moment to pay tax, settle debts, or even things out between the people who inherit. It's one of the most practical steps you can take.
Where can trusts, gifting, and pensions fit?
Each of these can play a part in a family estate plan, but none is essential, and each deserves careful thought on its own.
Trusts can help if you'd like to separate who controls an asset from who benefits from it, or plan for succession over a longer period. Whether a trust is right depends on your circumstances. Our guide to family trusts: control, flexibility and planning for future generations explains how they work.
Lifetime gifts are one way to pass on wealth while you're alive. They come with their own tax rules and timings, which we cover in our guide to inheritance tax gifting and exemptions.
Pensions are changing in how they're treated for inheritance tax, so it's worth reading our guide to pensions and inheritance tax. And if you'd like a refresher on the tax itself, start with how inheritance tax works.
The real value comes from seeing how these pieces fit with everything else in your plan. We cover
Questions families can use to test whether their plan is joined up
These questions can help you spot gaps or loose ends. If you answer "no" or "not sure", that doesn't mean something's wrong. It may simply be a good topic to raise with your advisers.
Purpose
Have we agreed what we want our plan to achieve, and what matters most?
People
Does everyone we've chosen for a role know about it, and are they willing and able to take it on?
Have we thought about what each person in the family needs, including anyone who may need extra support?
Property and assets
Do we have an up-to-date list of what we own, where it's held, and roughly what it's worth?
Ownership
Do our wills, any trusts, and company documents all support our wishes?
Have we checked that the people we've nominated to receive pension benefits still reflect our wishes?
Do we know which assets our wills can and can't pass on?
Liquidity and tax
Will there be enough cash to pay tax, debts, and other costs without having to sell something in a hurry?
Have we considered tax alongside what we want the plan to achieve for our family?
Review and coordinated professional support
When did we last look at the whole plan, and what's changed since?
Is someone keeping an eye on whether our financial, legal, and tax advice still fits together?
For a closer look at each part of an estate plan, see our estate planning checklist: how wills, trusts and financial planning work together.
When might coordinated professional support help?
Coordinated support can help when your plan depends on financial, legal, tax, and family decisions that no single document or adviser can cover alone. That can be especially true during a business sale or handover, after a significant inheritance, following a change in your family, when you have assets in more than one country, or when tax rules that affect you change.
At times like these, you might work with several specialists, such as a solicitor, a tax adviser, and a financial planner. What makes the difference is someone making sure their advice fits together, keeping your family's wider goals in view, and spotting where one decision affects another. Our guide to when to seek inheritance tax planning advice explains who does what.
Where to start
You don't need to have all the answers straight away. Start by:
- Listing what you own and how it's held.
- Thinking about who should benefit and who may need to make decisions.
- Noting anything you're unsure about to discuss with your advisers.
Planning for your family's future
If you'd like to talk it through, our financial planners can help you bring everything together in one plan, working alongside your solicitor and tax adviser where you need specialist advice.
Explore estate planning with Rathbones.
