The decision to move your established sole trader or partnership business into a limited company is known as incorporation. And this is no doubt a big step.
But transferring a whole active business with lots of assets triggers an immediate tax bill from HMRC, specifically Capital Gains Tax. This is where Incorporation Relief comes into play.
In this guide, we’ll cover:
- What is incorporation relief?
- How does it work?
- How to claim it?, and
- Much More…
Let’s get into it!
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What is Incorporation Relief?
Incorporation Relief is a tax benefit under the Taxation of Chargeable Gains Act 1992.
If you are a sole trader or a partner in a partnership and decide to transfer your business to a limited company in exchange for shares, incorporation relief can help.
It lets you delay paying Capital Gains Tax (CGT) on the business assets when you incorporate. Instead of paying the tax right away, it is rolled over to the new shares you receive.
In other words, you won’t pay tax now. But it will be added to the cost of your new shares.
How Does Incorporation Relief Work?
Incorporation Relief handles the tax on the transfer of business assets in a specific way. As discussed above, it is a mechanism for deferring the CGT.
Here is how the incorporation relief work:
- Step 1: Figure out the gain. First, you have to work out the normal capital gain on all the business assets you moved over. You pretend you sold them at today’s market value to someone else.
- Step 2: Reduce your share cost. Then instead of paying tax on that gain today, the entire qualifying gain is deducted. This amount is subtracted from the base cost of the shares in the new company.
- Step 3: The future tax bill. When you eventually decide to sell those shares down the line, your capital gain on the shares will be much bigger. Because their starting cost was reduced. This is when the tax on your original incorporation gain plus any new growth on the shares themselves finally becomes payable.
Pros and Cons of Using Incorporation Relief
Though incorporation Relief is a powerful way to defer Capital Gains Tax, it comes with both advantages and drawbacks.
| Pros of Using Incorporation Relief | Cons of Using Incorporation Relief |
| Saves Immediate Cash
You avoid paying a huge tax bill on day one. This leaves you with more money in your company to grow. |
Higher Future Tax Bill
When you eventually sell your shares, the taxable gain will be larger. Because the shares’ original cost was reduced. |
| Simpler Transfer
It removes the biggest tax headache of moving from a sole trader to a company. |
SDLT is Still Due
Incorporation Relief only deals with CGT. If you transfer a building or land to the company, you will still have to pay Stamp Duty Land Tax (SDLT) on its market value. |
| Flexibility
You can choose to ‘opt out’ of the relief if it benefits you to pay the small tax bill now (for example,, if you have losses to use up). |
Strict Rules
If you keep just one business asset out of the transfer (other than cash), you lose the entire relief. |
Who Can Qualify for Incorporation Relief?
To qualify for UK Incorporation Relief, you must be an individual or partnership transferring an existing, operational business to a limited company, receiving company shares as full or partial payment.
Eligibility Criteria for Incorporation Relief
The key conditions to qualify for the relief are:
- You must be a sole trader or in a business partnership: The relief is not available to existing companies.
- Transfer a “going concern”: The business must be an active or operational business at the time of transfer. And capable of being continued by the new company without interruption.
- Transfer all business assets (except cash): You must transfer the entire business and all its assets to the company. However, you can choose to keep cash out of the transfer. Retaining any other business asset will generally disqualify the transfer from the relief.
- Receive shares as consideration: The payment you receive from the company for the business must be wholly or partly in the form of shares in that company. If you receive any cash or a director’s loan account credit, that portion of the gain is immediately chargeable to Capital Gains Tax (CGT).
Special Considerations for Incorporation Relief Property Businesses
For property businesses or landlords, qualifying can be more challenging. You usually need to show that you are actively managing the properties for at least 20 hours a week. This includes tasks like tenant management, maintenance, and also financial planning, to prove that it’s a genuine business.
How to Calculate Incorporation Relief?
To calculate Incorporation Relief, you first determine the total chargeable gain on your business’s assets. The way you calculate the relief then depends on whether you receive only shares or a combination of shares and other assets (like cash) for your business. The relief works by reducing the base cost of your new shares.
How to calculate when only shares are received?
If you transfer all your business assets (excluding cash) and receive only shares in return, the calculation is straightforward:
- Initial Step: Calculate the total gain on your business’s assets. This is the market value of the assets at incorporation minus their original cost.
- Relief Application: You defer the entire gain.
- Reduced Base Cost: The full amount of this deferred gain is then subtracted from the market value of your new shares. This gives you the new, lower base cost of your shares for any future tax calculations.
Example:
- Total Gain: £60,000
- Share Value: £100,000
- New Base Cost: £100,000 (share value) – £60,000 (deferred gain) = £40,000
How to calculate when shares and cash are received?
If you receive cash (or a director’s loan, which is treated as cash) in addition to shares, the calculation becomes a partial claim.
- Immediate Taxable Gain: The portion of the total gain attributable to the cash is taxable immediately in the year of incorporation.
- Deferred Gain: Only the portion of the gain related to the value of the shares can be deferred.
- Calculation: To find the deferred portion, you use this formula:
Total Gain × (Share Consideration ÷ Total Consideration) - Reduced Base Cost: You then subtract this deferred portion of the gain from the value of your shares to find their new base cost.
Example:
- Total Business Value: £100,000
- Total Gain: £60,000
- Consideration Received: £80,000 in shares and £20,000 in cash.
- Deferred Gain Calculation: £60,000 × (£80,000 ÷ £100,000) = £48,000.
- Immediate Tax Bill: £60,000 – £48,000 = £12,000.
- New Base Cost of Shares: £80,000 (share value) – £48,000 (deferred gain) = £32,000.
Practical Incorporation Relief Example
Let’s say John Smith is a sole trader and decides to incorporate his business. His business is worth £100,000. John receives 1,000 shares in the new company, each worth £100. The business’s assets have increased in value. Thus, creating a £60,000 gain he would have to pay tax on without the relief.
Here’s how Incorporation Relief works for John:
- Deferred gain: Instead of paying the £60,000 tax right away, John defers the payment.
- Reduced share base cost: His new shares now have a lower base cost. They were originally £100,000 but with the £60,000 gain deferred, the cost is now £40,000.
- Future calculation: For future tax calculations, John’s shares will have a base cost of £40,000, not £100,000. This is due to the deferred gain (£100,000 – £60,000).
- Future tax liability: John will only pay tax on the £60,000 gain when he sells the shares later on.
Note: The process works differently if cash is also received.
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What If I Take Some Cash? Partial Incorporation Relief Explained
Sometimes, business owners need to take some money out during the transfer. Maybe as cash in hand or by setting up a Director’s Loan Account right at the start.
If you receive anything other than shares as part of the deal, that part is called “non-share consideration”.
You can still get partial relief. The amount of the gain that relates to the cash part becomes immediately taxable. On the other hand, the part that relates to the shares you receive is still deferred.
Here is a simple way to think about the calculation:
- Imagine your total gain on transferring the business is £100,000.
- You receive £80,000 worth of shares and £20,000 in cash.
- You would have to pay CGT immediately on £20,000.
- The remaining £80,000 gain is rolled over to reduce the base cost of your shares.
Is Incorporation Relief Automatic?
For many years, Incorporation Relief was automatic if you met the conditions. You didn’t have to formally claim it. However, the government has announced a major change to the process. From 6 April 2026 onwards, you must make a formal claim in your Self‑Assessment tax return.
How To Claim Incorporation Relief?
There are different rules for claiming Incorporation Relief depending on when the business was transferred.
For business transfers up to 5 April 2026
For any transfers completed before 6 April 2026, you do not need to make a formal claim. The relief is applied automatically if you meet all the qualifying conditions. The most important conditions are:
- You transferred the entire business as a “going concern”.
- You transferred all business assets (you can hold back cash).
- The payment for the business included at least some shares in the new limited company.
For business transfers from 6 April 2026 onwards
Following the Autumn Budget 2025 announcement, the process changes for transfers on or after 6 April 2026. Instead of being automatic, you will be required to actively claim the relief.
- You must make the claim via your Self Assessment tax return for the tax year in which the transfer took place.
- You will be asked to provide brief details of the transaction, the tax computations, and the type of business transferred.
Electing Out Of The Incorporation Relief
In some situations, you might want to disapply (turn off) the incorporation relief.
- Why Would You Disapply? Well, If the capital gain on your business assets is small or you have enough capital losses to offset the gain, it might be better to pay the Capital Gains Tax (CGT) now. This is because paying CGT right away can give your shares a higher base cost. This means you will be paying less tax when you sell them later. This could be useful if you expect your personal CGT rate to be higher in the future.
- How to Disapply? So, if you do not want incorporation relief, you need to make an election in writing to HMRC under Section 162A of the Taxation of Chargeable Gains Act 1992. This must be done by the deadline for your Self Assessment return for the relevant tax year.
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The Bottom Line
Incorporation Relief is a valuable tax break for anyone looking to incorporate their business. However, not all businesses or assets qualify for this relief. It’s important to understand the requirements before making the decision.
That’s why it’s better to consult with a tax professional. They can guide you through the process and ensure you’re making the right move.
HOW ACCOTAX CAN HELP?
At Accotax, we can help you understand the potential tax implications of the transfer and help you make an informed decision about whether to claim the relief.
Additionally, we can provide you with advice on other tax planning strategies that may be available to you.
We offer a range of packages designed to fit your unique needs!
Reach out, get an instant quote and let us help you grow your business!
Disclaimer: The information about “Incorporation Relief – A Complete Guide” is provided in this article including text and graphics. It does not intend to disregard any of the professional advice.