Is setting up as a sole trader or limited company better for pensions?

Sole trader vs. limited company pension contributions

Retirement planning is unique for business owners and the self-employed. 

Most employed individuals can benefit from Auto-Enrolment. But if you work for yourself or run a company, you’re fully responsible for your self-employed pension contributions.

If this is you, that might leave you wondering: is it better to be a sole trader or a limited company when contributing to your pension?

There are potential pros and cons of each approach. So, whether you operate as a sole trader or you’re the director of a limited company, find out what to think about when saving for retirement.

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Sole trader pension contributions 

More than half of UK businesses are sole traders (2025/26). This is a straightforward way to work, which is why many business owners do so. 

As a sole trader, there’s no legal line between you and the business. So, any profits are yours to keep (after tax). Equally, the business’s liabilities are yours personally, too.

You’ll pay Income Tax and National Insurance (NI) on your profits (your total income minus allowable business expenses and reliefs). You’ll need to pay tax via Self-Assessment.

As for pension contributions, these are largely the same as for individuals. They aren’t an allowable expense for sole traders, like they can be for limited companies (more on this in a moment).

Instead, you’ll pay personal contributions into your pension pot after tax. Basic rate tax relief will usually be applied automatically. You’ll be able to claim any available higher or additional rate relief through Self-Assessment.

However, you can only claim tax relief on up to 100% of your ‘relevant earnings’ - that includes salaries, bonuses, overtime, and for sole traders, your profits. It doesn’t include rental income, investment income (such as dividends), or pension income.

This is capped at the current standard annual allowance, which is £60,000 (2025/26). This threshold includes personal contributions, any tax relief and any third-party contributions (such as from a family member) made to your pot.

Note that your annual allowance may be lower if you’re a high earner or you’ve already flexibly accessed your pension.

As a result, your contributions are essentially limited to the profits you take from your business as your income.

This is one reason why it can make sense to move from being a sole trader to a limited company. 

Limited company pension contributions 

Sole traders often choose to set up as limited companies as they grow. 

That means the business (and its liabilities) become separate from the owner (or owners). You’ll need a separate bank account, to register with Companies House, and file annual accounts. You’ll also need to complete a Self-Assessment for your individual finances.

Owners are ‘shareholders’, so if you’re the sole director and employee, you’re the only shareholder.

Rather than paying Income Tax and NI on profits, limited companies pay Corporation Tax. You then have a few different methods for extracting money from the company:

• Paying yourself a salary - you choose how much to pay yourself as a regular salary. This is subject to Income Tax. It’s often sensible to draw your salary with the current Income Tax bands in mind so you only pay as much as necessary.
• Drawing dividends - you can pay yourself dividends for each share you own. This can be valuable as, while dividends contribute to your total income, Dividend Tax rates are lower than Income Tax. Bear in mind that you must pay dividends to any other shareholders.
• Making pension contributions - you can pay employer contributions straight into your pension from company income (more on this below).

Like a sole trader or employee, your tax-relievable individual personal pension contributions are limited to £60,000 or 100% of your earnings (2025/26). In this case, this would be whatever you draw from your business as a salary.

As a director of a limited company, you can make employer contributions. These don’t qualify for tax relief but there are other benefits.

They’re not limited by the 100% earnings rule, only the standard annual allowance (£60,000 in 2025/26). And, you won’t have to pay employer NI contributions, like you do on salaried pay.

So, you could pay more into your pension tax-efficiently in a single tax year if you make personal and employer contributions.

On top of that, HMRC considers employer pension contributions an ‘allowable business expense’. That means you can make contributions from your profits before Corporation Tax.

That offers a potential further tax saving of up to 25%, depending on business profits.

Bear in mind that your employer contributions must meet HMRC’s ‘wholly and exclusively’ test. This checks that your contributions are only for business purposes. Usually, this is based on your total pay from your salary and whether it’s commercially reasonable for your work.

It can be sensible to work with an accountant to make sure you’re within the rules.      

Benefits of setting up as a limited company for pensions

• Ability to pay employer contributions - business owners can make personal and employer contributions. So, you may be able to tax-efficiently pay more into your pot.
• No Income Tax or NI - there’s no Income Tax to pay on contributions within the thresholds. There’s also no NI bill on employer contributions, making them more tax-efficient.
• No Corporation Tax - pension contributions are an allowable business expense. This could potentially mitigate a Corporation Tax charge of up to 25%.

Disadvantages of setting up as a limited company for pensions 

• It could be more complicated - being a sole trader is more straightforward and you could find being a limited company less flexible. For example, if your profits are more uneven or you need to keep more of them personally, it could be more complex to manage.
• Contributions must be within HMRC rules - employer contributions must be ‘wholly and exclusively’ for business purposes and in keeping with your wider earnings.
• You might be tempted to make bigger contributions than you can afford  - although it’s useful to be able to make employer contributions, you might be tempted to pay more into your pension than you can actually afford. There are age restrictions for accessing your pension, no matter how your business is structured. You usually can’t access your pension before 55, rising to 57 in 2028. You’ll need to be careful not to overpay into your pension and affect your ability to live your lifestyle now.

Which should I choose, sole trader or limited company? 

Choosing whether to be a sole trader or limited company for your pension contributions will come down to your individual circumstances.

If your profits are stable and you generally make £40,000 - £50,000 or more a year, it can make sense to become a limited company. At this level, paying Corporation Tax can be more tax-efficient than paying higher rate Income Tax and NI on profits as a sole trader.

If you also have an eye on retirement planning and want to increase your pension contributions, operating as a limited company could be useful. Being able to make employer contributions can help you tax-efficiently grow your fund.

However, this doesn’t make it right for every business owner. You may want to consider how much control you want over your company, and whether you want a level of legal protection and to limit your personal liability to it, too. 

If you’re not sure what’s right for you, consider taking advice from an Independent Financial Adviser (IFA).

Setting up a pension

If you’re looking for a pension for self-employed limited company owners or sole traders, the PensionBee self-employed pension could work for you.

You can combine your pensions or open a new pension. You can make personal and employer contributions into your pot, and you can choose how much you pay in. So, you can vary your contributions depending on your profits.

With a range of pension plans and one simple annual fee, PensionBee’s flexible self-employed pension could help you make the most of the hard work you put into your business.

Risk warning

As always with investments, your capital is at risk. The value of your investment can go down as well as up, and you may get back less than you invest. Please note that tax rules change regularly, and the actual tax benefits you receive will depend on your individual circumstances. This information should not be regarded as financial advice.