Can a sole trader deduct pension contributions?
Answered 17 March 2026
Can a Sole Trader Deduct Pension Contributions?
The answer depends critically on whose pension the contribution is for. There are two distinct scenarios:
What the law says
1. Contributions to employees' pensions (as an employer)
A sole trader who employs staff can deduct contributions paid to a registered pension scheme in respect of those employees. Under FA 2004, s.196, such contributions are:
- treated as not being payments of a capital nature (removing a potential bar to deduction), and
- deductible in the period of account in which they are paid
The deduction is only available for actual contributions; no other sums connected with the cost of providing pension benefits are deductible.
2. Contributions to the sole trader's own personal pension
A sole trader's contributions to their own pension are not deductible as a trading expense. Instead, relief is given under FA 2004, s.188 as a personal tax relief — not as a deduction from trading profits. The maximum relief is capped at 100% of the individual's relevant UK earnings chargeable to income tax for the tax year. If the sole trader has no relevant UK earnings, relief is still available up to the "basic amount" of £3,600.
HMRC guidance / practice
For employee pension contributions, HMRC applies the standard "wholly and exclusively" test (s.34(1) ITTOIA 2005). A contribution must be paid wholly and exclusively for the purposes of the trade to be deductible. HMRC notes that as part of the cost of employing staff, pension contributions are likely to be allowable.
The pension tax legislation also modifies the normal rules in two important ways:
- Pension contributions are not treated as capital payments even if they otherwise would be; and
- A deduction can only be given for the period in which the contribution is paid
For the sole trader's own pension, a self-employed individual is classed as chargeable to tax under Chapter 2 of Part 2 of ITTOIA 2005 on profits from their trade, and can claim pension tax relief through the relief at source (RAS) mechanism or via their Self Assessment return — not as a deduction in computing trading profits.
Summary
| Scenario | Deductible from trading profits? | How relief is given |
|---|---|---|
| Contributions to employees' registered pension scheme | ✅ Yes (if wholly & exclusively for trade) | Deducted in computing profits (FA 2004, s.196) |
| Contributions to the sole trader's own pension | ❌ No | Personal tax relief under FA 2004, s.188 (up to 100% of relevant UK earnings) |
Citation sources
S34(1) Income Tax (Trading and Other Income) Act 2005, S54(1) Corporation Tax Act 2009 In deciding whether a contribution to a registered pension scheme is allowable, the same rules apply as for any other expense (with the exceptions of whether a payment is capital and the timing of the deduction - see BIM46010). In particular, any contribution must be paid wholly and exclusively for the purposes of the trade for it to be deductible. The principles underlying the ‘wholly and exclusively’ test ar
Part 4 Pension schemes etc Chapter 4 Registered pension schemes: tax reliefs and exemptions Employers' contributions Relief for employers in respect of contributions paid 196 1 This section makes provision about an employer’s entitlement to relief in respect of contributions paid by the employer under a registered pension scheme in respect of any individual. 2 For the purposes of Part 2 of ITTOIA 2005 or Part 3 of CTA 2009 (trading income) — a the contributions are to be treated as not being pay
Part 4 Pension schemes etc Chapter 4 Registered pension schemes: tax reliefs and exemptions Employers' contributions No other relief for employers in connection with contributions 200 No sums other than contributions paid by an employer under a registered pension scheme— a are deductible in computing the amount of the profits of the employer for the purposes of Part 2 of ITTOIA 2005 or Part 3 of CTA 2009 (trading income) , b are expenses of management for the purposes of Chapter 2 of Part 16 of
Part 4 Pension schemes etc Chapter 4 Registered pension schemes: tax reliefs and exemptions Members' contributions Annual limit for relief 190 1 The maximum amount of relief to which an individual is entitled under section 188 (relief for contributions) for a tax year is (subject as follows) the amount of the individual’s relevant UK earnings which are chargeable to income tax for the tax year. 2 If the amount of the individual’s relevant UK earnings which are chargeable to income tax for the ta
Regulation 4(3) and 4(4) The Registered Pension Schemes (Relief at Source) Regulations 2005 - SI 2005/3448 The individual should state which category of status best describes their personal circumstances. These are: employed, if chargeable to tax under Chapter 2 of Part 2 of Income Tax (Earnings and Pensions) Act 2003 for the year of assessment concerned in respect of employment income as defined in section 7 of that Act, a pensioner, where chargeable to tax under Part 9 of that Act for the year
The pension tax legislation amends the normal rules as to what is an allowable deduction and as to the timing of a deduction. The main points that differ from the normal rules are: pension contributions are not treated as capital payments if they otherwise would be, and a deduction can only be given for the period in which the contribution is paid. More complete details of the differences between the specific rules relating to what is allowable and deduction of pension scheme contributions and t