Tax rates for sole traders
As a sole trader you pay Income Tax on your profits plus National Insurance Classes 2 and 4 — all through your Self Assessment return.
Income Tax Bands — England, Wales & N. Ireland 2024/25
Applied to your profits after allowable expenses and the personal allowance.
National Insurance
Class 2 NI — flat rate
Paid if profits exceed £12,570. Protects your State Pension entitlement.
Class 4 NI — on profits
Calculated automatically in your Self Assessment return.
🔗 Class 4 NI on gov.uk →Total tax at different profit levels
Combined Income Tax + Class 2 + Class 4 NI. Assumes no pension contributions or other deductions.
🔗 Self Assessment on gov.uk →Key allowances
VAT
Registration threshold: £90,000
You must register within 30 days of your taxable turnover exceeding £90,000 in any rolling 12-month period.
Take-home pay calculator
Estimate your net pay after Income Tax, National Insurance, pension, and student loan.
What you can and can't claim
HMRC says expenses must be wholly and exclusively for business purposes. Tap any item for the detail.
HMRC flat rates: £10/month (25–50 hrs), £18/month (51–100 hrs), £26/month (101+ hrs). No receipts needed.
🔗 gov.uk →100% of rent and utility bills for a separate business workspace are allowable.
🔗 gov.uk →Cannot claim full home costs — only the business proportion via HMRC's simplified flat rates.
🔗 gov.uk →HMRC flat rate: 45p/mile for first 10,000 business miles, then 25p/mile. Keep a mileage log.
🔗 gov.uk →Train, bus, taxi fares for genuine business journeys. Keep receipts.
🔗 gov.uk →HMRC considers travel between home and a permanent workplace as personal — not deductible.
🔗 gov.uk →100% allowable if wholly for business. Mixed use — only the business proportion. Can use Annual Investment Allowance for full cost in year of purchase.
🔗 gov.uk →Accounting software, design tools, cloud storage used for business — all allowable.
🔗 gov.uk →Only the business proportion is deductible — not the full bill.
🔗 gov.uk →Fees for tax return preparation or bookkeeping — fully allowable.
🔗 gov.uk →Training that improves existing trade skills is allowable. Learning a new trade — not allowable.
🔗 gov.uk →HMRC fines, parking fines, and legal penalties are never allowable.
🔗 gov.uk →HMRC explicitly says client entertaining is not an allowable business expense.
🔗 gov.uk →Domain, hosting, web design and maintenance for your business website — fully allowable.
🔗 gov.uk →Online ads, print advertising, business cards — all allowable.
🔗 gov.uk →Step-by-step walkthroughs
Tick steps as you complete them. Every step links to the original HMRC source.
Self Assessment Tax Return
Annual tax return · Deadline 31 January
HMRC says you must file if you were self-employed and earned more than £1,000, or if HMRC has sent you a notice to file.
Go to gov.uk/register-for-self-assessment. HMRC posts your UTR (10-digit number) within 10 working days — it cannot be emailed.
You'll need: all invoices paid, expense receipts, P60/P45 if also employed, bank statements, UTR, NI number, Government Gateway login.
· Employment: Complete if also employed (use your P60)
· UK interest: Savings interest over £500
· Capital gains: If you sold assets or property
Check your profit figure, turnover, and expenses. HMRC allows amendments up to 12 months after the original deadline.
🔗 Self Assessment →Pay via gov.uk/pay-self-assessment-tax-bill. Use your UTR as reference. Interest accrues at 7.25%/year from 1 February.
🔗 Pay your bill →VAT Return
File quarterly · 1 month + 7 days after period end
All VAT returns must be submitted via Making Tax Digital. Use FreeAgent, QuickBooks, Xero, Sage, or another MTD-compatible tool.
🔗 MTD for VAT →Total VAT on all your sales invoices for the period.
🔗 Completing your return →Total VAT on your business purchase receipts that you're reclaiming.
🔗 Completing your return →File via your MTD software. Payment due same date. Points-based penalty system since Jan 2023 — 4 points earns a £200 penalty.
Register as Self-Employed
Deadline: 5 October in second year of trading
Register if you earned more than £1,000 from self-employment in a tax year.
Go to gov.uk/register-for-self-assessment. You'll need your NI number, contact details, business start date, and description of your trade.
🔗 Register online →HMRC posts your UTR — a 10-digit number — within 10 working days. It cannot be emailed. Register early.
🔗 Find your UTR →Class 2 and Class 4 NI are both calculated and paid through your Self Assessment return.
🔗 NI for self-employed →Register for VAT
Compulsory above £90,000 taxable turnover
HMRC requires registration when taxable turnover exceeds £90,000 in any rolling 12-month period, or if you expect to exceed £90,000 in the next 30 days.
Register at gov.uk/vat-registration via Government Gateway. Then sign up for Making Tax Digital for VAT before your first return.
🔗 How to register →Deadlines for sole traders
All dates sourced from HMRC gov.uk. Tap any deadline to view the original guidance.
MTD for Income Tax starts April 2026 for sole traders earning over £50,000, and April 2027 for those over £30,000.
🔗 MTD for Income Tax →Find & consolidate old pension pots
The average UK worker has 11 jobs — meaning potentially 11 different pension pots. Here's how to find them.
Go through your employment history and note every employer with approximate dates. Check old payslips, P60s, or P45s. Your Personal Tax Account at gov.uk shows employment history going back several years.
🔗 Personal Tax Account →The Pension Tracing Service searches over 200,000 pension schemes. Enter an employer's name — it tells you who to contact.
🔗 Pension Tracing Service →Ask for: current transfer value, pension type, any transfer penalties, any protected benefits (guaranteed annuity rates), and fund performance.
The full New State Pension is £221.20/week (2024/25). Check your forecast at gov.uk/check-state-pension. Filling NI gaps costs ~£824/year and adds ~£303/year for life.
🔗 Check your State Pension →Tax news for sole traders
AI-summarised from HMRC gov.uk, the OBR and GOV.UK — updated live each time you visit.