How to Be Tax Efficient When Selling a UK Company and Relocating Abroad

Selling a successful UK company can be the culmination of years of hard work—but without the right planning, the tax bill can take a significant bite out of your proceeds. One of the biggest considerations for business owners is Capital Gains Tax (CGT), which can be up to 20% on the sale of shares, or more if Business Asset Disposal Relief is unavailable or limited.

Business Asset Disposal Relief (formerly Entrepreneurs’ Relief):

If you’re selling all or part of your business, you may be eligible for Business Asset Disposal Relief (BADR) — which means the first £1 million of qualifying lifetime gains is taxed at a reduced rate of 10%, regardless of your income level.

To qualify for BADR, you must:

• Be a sole trader, business partner, or hold shares in a ‘personal company’
• Have owned the business or shares for at least 2 years
• Be an employee or officer of the company if selling shares
• Own at least 5% of shares and voting rights (for a personal company)

In the UK, if you sell (or dispose of) shares in a company, the Capital Gains Tax (CGT) you’ll pay depends on a few key factors — including your overall income, the nature of the company, and whether any reliefs apply.

If the company you’re selling owns property, it adds a few layers of complexity, but the Capital Gains Tax (CGT) treatment still depends on how you’re selling — whether you’re selling shares in the company or the property itself.

However, with careful planning and relocation, it’s possible to reduce UK CGT. Here’s what you need to know if you’re considering selling your business and relocating overseas.

1. Tax residency and CGT

When you sell shares in your UK company, you’re typically liable to UK CGT if you are UK resident at the time of the sale. However, residency plays a critical role in your tax exposure. Non-residents are generally not liable for UK CGT on the sale of shares in a private UK trading company.

That’s where relocation planning comes in.

2. Leave the UK Before You Sell: Timing Is Everything

To escape CGT, you must cease UK tax residency before the sale takes place. This is determined using the Statutory Residence Test (SRT). Under current rules, if you’re non-resident for at least five full UK tax years, you can sell assets while abroad and avoid UK CGT (subject to anti-avoidance rules).

But here’s the catch: if you return to the UK within five years, you may be retrospectively taxed under the Temporary Non-Residence Rules. So, if you’re serious about reducing CGT, your relocation needs to be genuine and long-term.

3. Choose Your New Country Wisely

Not all countries are equal when it comes to taxing capital gains. Some countries charge no CGT at all, while others tax global gains heavily.

Tax-friendly countries to consider include:

• United Arab Emirates (Dubai, Abu Dhabi): 0% CGT, no personal income tax
• Portugal (under the NHR regime, now closed to new entrants but other structures exist)
• Singapore: No tax on capital gains
• Monaco: No personal income tax or CGT

Before moving, it’s crucial to get local tax advice to ensure you won’t face a tax bill in your new home.

4. Use a Holding Company Structure Before You Exit

If you’re planning ahead, consider restructuring your business by transferring your trading company into a holding company. This structure can:

• Allow you to defer the CGT on the eventual sale of the trading business
• Enable you to extract value in a more tax-efficient manner
• Make the business more attractive to buyers

This is complex and must be done well in advance of any sale. It also needs careful UK and international tax advice.

5. Exit Planning and Residency Timing: A Case Study

Let’s say you plan to sell your business for £5 million.

If you sell while UK-resident, you could pay up to £1 million in CGT.

However, if you:

• Become non-UK tax resident,
• Move to a country with no CGT,
• Remain non-resident for 5 full UK tax years, and
• Sell the company while abroad,

You may be able to pay 0% CGT on the entire gain.

Even if you’re already in the process of selling, a delay in completion until after you’ve broken UK tax residency might save you millions—but this must be carefully managed to avoid falling foul of anti-avoidance rules or the “deemed disposal” trap.

6. Avoid the Pitfalls

Some of the most common mistakes include:

• Becoming non-resident after the sale – too late!
• Returning to the UK too soon, triggering CGT under the temporary non-residence rules
• Failing to cut UK ties properly – keeping a home, job, or habitual presence
• Not getting local tax advice in the new country

7. Get Professional Advice

Every situation is unique, and tax rules can be unforgiving. If you’re considering relocating to sell a UK company, you need a cross-border tax plan that ensures:

• You meet the criteria to break UK tax residence
• Your move is recognised as genuine by HMRC
• Your new country doesn’t impose unwanted taxes
• Your business structure supports a tax-efficient exit

Final thoughts

Relocating to avoid UK CGT when selling your company requires early planning and precise timing.

If done correctly, you could save millions in tax and enjoy your next chapter abroad with significantly more capital in your pocket.

Thinking of moving abroad?

Visit our page on Financial Freedom Beyond Borders: Securing your financial future overseas