Pension contributions are one of the most efficient ways for a business owner to take money out of a company and cut a tax bill at the same time. Personal contributions attract tax relief up to 100% of your relevant UK earnings, while company contributions can be an allowable expense for Corporation Tax. The standard annual allowance is £60,000 for 2025/26 and 2026/27, and unused allowance can often be carried forward for three years, which makes timing and planning genuinely worthwhile.
How you fund a pension changes a great deal depending on whether you are a director of your own limited company, a partner, or a sole trader. The reliefs are generous, but they come with caps, tapers and traps. This guide sets out how the two main routes work, the allowances that apply, and where business owners most often go wrong.
How does tax relief on personal pension contributions work?
When you pay into a pension from your own money, you get tax relief at your marginal rate. A basic rate taxpayer paying £80 into a personal pension has it topped up to £100 by 20% relief claimed at source. Higher and additional rate taxpayers claim the extra relief through their Self Assessment return, so a higher rate taxpayer effectively gets relief at 40%.
There is a firm ceiling. Tax relief on personal contributions is limited to 100% of your relevant UK earnings for the tax year, or £3,600 gross (£2,880 net) if that is higher than your earnings. Earnings here means salary, bonus and trading profits, not dividends. This matters enormously for company directors who pay themselves a small salary and take the rest as dividends, because their relievable personal contribution is capped by that small salary. If you want to understand the trade offs, our guide to salary versus dividends for a limited company is a useful companion.
Can my company pay into my pension instead?
Yes, and for many directors this is the better route. An employer contribution paid by your company is not restricted by your personal earnings in the way a personal contribution is. The company can pay a substantial sum into your pension even where your salary is modest, provided the total still sits within the annual allowance.
Company pension contributions are usually an allowable business expense, which means they reduce the profit charged to Corporation Tax, so long as they meet the wholly and exclusively test set by HMRC. In practice, HMRC looks at whether the overall remuneration package is commercially reasonable for the work you do. For a working director this is rarely a problem, but very large contributions to a spouse who does little in the business can be challenged. See our overview of allowable business expenses and how Corporation Tax is calculated to see where the deduction sits.
What is the annual allowance for 2025/26 and 2026/27?
The annual allowance is the total that can be paid into your pensions each tax year, from all sources, before a tax charge applies. It covers your personal contributions, any tax relief added, and everything your company pays in. For both 2025/26 and 2026/27 the standard annual allowance is £60,000.
If your contributions in a year exceed the allowance, you can look back and use any unused allowance from the previous three tax years, a rule known as carry forward. You must have been a member of a registered pension scheme in those earlier years to use it. Carry forward is what lets a business owner make a large one off contribution, for example after a strong trading year, without breaching the limit.
How does the tapered annual allowance affect high earners?
If your income is high, your annual allowance may be reduced. The taper bites only when two tests are both met: your threshold income is above £200,000 and your adjusted income is above £260,000. Threshold income is broadly your taxable income excluding most pension contributions. Adjusted income adds employer pension contributions back in.
Where both tests are met, your annual allowance falls by £1 for every £2 that your adjusted income exceeds £260,000, down to a minimum of £10,000. A director with adjusted income of £360,000 would see the allowance tapered to that £10,000 floor. Because the threshold income test comes first, keeping threshold income at or below £200,000 can preserve the full £60,000. If your income sits near these levels, it is worth reading how the personal allowance tapering works too, as the £100,000 point interacts with pension planning.
What is the money purchase annual allowance?
Once you have flexibly accessed a defined contribution pension, for example by taking taxable income from it under the pension freedoms, a lower limit called the money purchase annual allowance replaces your standard allowance for future contributions to that type of scheme. For 2025/26 and 2026/27 this is £10,000. Crucially, once the money purchase annual allowance applies you cannot use carry forward for those contributions, so business owners who are drawing from a pension while still trading need to plan carefully before topping up again.
What about sole traders and partners?
If you are self employed or a partner, there is no company to make an employer contribution, so you fund your pension personally. Your relief is capped at 100% of your relevant UK earnings, which for a sole trader means your taxable trading profit. Contributions do not reduce that trading profit, but they still attract personal tax relief and can pull income back below key thresholds. Our comparison of sole trader versus limited company explains why the structure you trade under changes the pension route open to you.
Getting the detail right
Pensions sit at the intersection of income tax, Corporation Tax and the annual allowance rules, and the figures reward careful timing rather than guesswork. A qualified accountant or regulated financial adviser can model the right split of salary, dividends and pension for your situation. This guide is general information about the tax treatment, not a personal recommendation to make any pension contribution.
If HMRC opens an enquiry into your contributions or company accounts, professional fees can climb quickly. Solar Protect tax investigation insurance covers up to £100,000 of your accountant’s fees with no excess, so a challenge does not become an expensive distraction. Get a quote. For related reading, our full accountancy and tax guide pulls the wider picture together.
Reviewed by Matthew Bartlett, Director, Solar Protect. This guide is general information, not personalised tax or financial advice. Figures are correct for the 2025/26 and 2026/27 UK tax years at the time of writing.