Tax admin tools for UK sole traders and landlords
Free calculators that answer the questions people search for every January. No sign-up, nothing stored on our side: the sums run in your browser.
Free tools
Do I need Making Tax Digital?
Check if and when MTD for Income Tax applies to you (£50k, £30k, £20k). MTD quarterly totals
Add up income and expenses by quarter, with the update deadlines. Mileage allowance calculator
45p and 25p a mile for cars and vans, plus motorbikes and bicycles. Payments on account
Why January can be 150% of your bill, and what you'll pay when. £1,000 allowance or expenses?
Trading and property allowance: which one saves you more.
Check if and when MTD for Income Tax applies to you (£50k, £30k, £20k). MTD quarterly totals
Add up income and expenses by quarter, with the update deadlines. Mileage allowance calculator
45p and 25p a mile for cars and vans, plus motorbikes and bicycles. Payments on account
Why January can be 150% of your bill, and what you'll pay when. £1,000 allowance or expenses?
Trading and property allowance: which one saves you more.
Want it done for you?
Record-keeping spreadsheets, built for you. A clean Excel or Google Sheets record book with HMRC categories and quarterly totals, ready for bridging software. From $50 on Fiverr.
Ready-made templates from £12: Self Assessment Tracker, Landlord bundle, Rent Increase Planner.
For letting agents, accountancy practices, agencies and installers: fixed-price admin work prepared for your team to check. See what we do, with examples.
General information, not tax advice. Rules change: always check GOV.UK or ask an accountant before you file.