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Tax & Company

Sole Trader vs Limited Company

Should you incorporate? See the numbers side by side

£20

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Sole Trader vs Limited Company

Overview

'Should I go limited?' is one of the most common questions small business owners ask. The answer depends on your profit, how much of it you need to take out, your other income and the extra cost of running a company. This workbook takes your profit as a sole trader and works out, using the tax rates for the year you choose, exactly what you'd take home if you stayed self-employed and what you'd take home if you traded through a limited company paying yourself the most tax-efficient salary and dividends. It shows the difference each year, how long the set-up cost takes to recover, every profit level from £10,000 to £250,000 and the non-tax pros and cons that matter just as much.

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

Side by Side

The full computation for both options at your profit, the difference, set-up cost payback and the non-tax differences. What you do: nothing to enter – read it and use it to explain the decision.

Side by Side
Profit Range

Step 2

Profit Range

Take-home both ways at every profit from £10,000 to £250,000 in £5,000 steps, with charts. Your profit level is highlighted. What you do: nothing to enter.

Step 3

Calculations

The calculations behind everything: a company salary grid at your profit, your comparison and the profit range. What you do: nothing to enter. Don't edit.

Calculations

Step 4

Who it is for

Made for people like you

  • Example – text
  • Sole traders thinking about incorporating – A clear yes/no on the money, with the annual difference after company running costs.
  • Start-ups choosing how to set up – A comparison at your expected profit and at every profit level up to £250,000.
  • Existing company owners – A check on whether the company still pays its way at current tax rates.
  • Advisers and bookkeepers – Full side-by-side workings to explain the decision to a client.

Quick start

Up and running in minutes

  1. Example – text
  1. Your business – On the Comparison sheet, enter the business name, tax year and your annual profit as a sole trader, plus the extra yearly cost of running a company and the one-off set-up cost.
  2. How you'd run the company – Choose how much of the company's profit you'd take out, whether the salary should be optimised or fixed, and the number of associated companies.
  3. You – Enter any other taxable income, Scottish taxpayer status, student loan plan, whether you'd pay voluntary Class 2 NI, the value you put on profit kept in the company and any employer pension.
  4. Read THE ANSWER – The tiles show take-home as a sole trader and as a company, the difference each year and the profit level where a company starts to pay. The sentence underneath sums up the result.
  5. Check the workings – Open Side by Side for the full computation both ways and the non-tax differences.
  6. Look at the bigger picture – Open Profit Range to see the comparison at every profit level – useful if your profits are growing or vary from year to year.

Key features

  • Compares your take-home as a sole trader and as a limited company at your profit, using 2026/27 rates.
  • Optimises the company salary/dividend split and includes the extra cost of running a company and the set-up cost.
  • Shows every profit level from £10,000 to £250,000 so you can see where incorporating starts to pay.
  • Full side-by-side workings plus the non-tax differences: liability, admin, privacy, pensions and flexibility.

What’s included

  • Comparison – Inputs, the answer and charts
  • Side by Side – Full workings and non-tax differences
  • Profit Range – Every profit level compared
  • Calculations – The workings behind every result
  • Tax Rates – Rates and allowances by tax year
  • Guide – How to use this workbook

How buying works

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