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Cash Basis vs Accruals Comparison

Which way of working out your profit suits your business – and what it does to your tax bill

£20

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Cash Basis vs Accruals Comparison

Overview

Sole traders and partnerships can work out their taxable profit in two ways. The cash basis counts money when it actually comes in and goes out. Accruals (traditional accounting) counts income when it is earned and costs when they are incurred – so it adjusts for unpaid invoices, unpaid bills and stock. Since the 2024/25 tax year the cash basis has been the default for every sole trader and partnership, with no turnover limit. If you'd rather use accruals you have to opt out on your tax return.

Price
£20
Who it’s for
Tax & Company
Works with
Microsoft Excel for Windows and Mac
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See how it works

A walk through the main sheets

The sheets you will use most, in the order you will use them – shown with the sample data every workbook comes with.

Step 1

Cash Records

Money in and out for 36 months, with annual totals. What you do: enter monthly figures.

Cash Records
Year-End Balances

Step 2

Year-End Balances

Debtors, stock, prepayments, creditors, accruals and deposits – and how they move each year. What you do: enter four columns of balances.

Step 3

Capital Purchases

Assets bought or sold, with their treatment under each basis. What you do: one line per asset.

Capital Purchases
Capital Allowances

Step 4

Capital Allowances

Accruals pools (main, special rate, cars) and the cash basis deductions. What you do: nothing – calculated.

Who it is for

Made for people like you

  • Example – text
  • Sole traders – A clear answer to 'should I stay on the cash basis or opt out?' backed by your own numbers.
  • Partners in a partnership – The same comparison for the whole partnership, with tax worked out on your profit share.
  • Businesses with stock or credit customers – See how debtors, stock and creditors move profit between years.
  • Anyone switching basis – The transition adjustment worked out for you, including unrelieved capital allowance pools.

Quick start

Up and running in minutes

  1. Example – text
  1. Setup – Enter your business name, type, the first tax year to compare, the basis you used last year and your other taxable income for each year. Fill in the starting position from last year's tax computation.
  2. Cash Records – Enter money in and money out for each month of the three years. Use your bank statements or bookkeeping software's cash reports.
  3. Year-End Balances – Enter debtors, stock, prepayments, creditors, accruals and deposits at the start of Year 1 and the end of each year.
  4. Capital Purchases – List any equipment, vans, cars or property bought or sold in the three years.
  5. Read the results – Profit Comparison, Tax Impact and the Dashboard update straight away.
  6. Which Basis – Answer the 12 questions. The sheet combines your answers with your numbers and suggests a basis.

Key features

  • Compares taxable profit under the cash basis (the default since 2024/25) and traditional accruals accounting over three tax years.
  • Uses monthly cash records, year-end debtors, creditors, stock, prepayments and accruals, plus a capital purchases register.
  • Works out capital allowances (AIA, 14% / 6% writing-down allowances, cars) and the cash basis treatment of equipment, cars and property.
  • Includes the transition adjustment when you join or leave the cash basis, loss relief and the income tax and Class 4 NI under each basis.
  • A Which Basis checklist scores your circumstances and your numbers, with the current rules at a glance.

What’s included

  • Dashboard – The comparison at a glance
  • Setup – Your business, years and starting position
  • Cash Records – Money in and out each month
  • Year-End Balances – Debtors, stock, creditors and more
  • Capital Purchases – Equipment, vehicles and property
  • Capital Allowances – Pools and deductions under each basis
  • Profit Comparison – Taxable profit year by year
  • Tax Impact – Income tax, NI and losses
  • Which Basis – Checklist and verdict
  • Tax Rates – UK rates used
  • Guide – How to use this workbook

How buying works

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