Supporting Britain’s small businesses since 2004
Independent guides, practical advice, news and free calculators for people starting, running and growing a UK business — from sole traders to limited company owners.
Guides for sole traders and the self-employed
Start with the subject you need help with.
01
Getting started
Becoming self-employed, registering with HMRC and setting up your business.
02
Tax & HMRC
Self Assessment, National Insurance, VAT and Making Tax Digital.
03
Accounts & expenses
Bookkeeping, allowable expenses, invoices and getting paid.
04
Business banking
Choosing an account, comparing charges and protecting your money.
05
Business insurance
Public liability, professional indemnity and other business cover.
06
Pensions
SIPPs, pension tax relief and saving for retirement when you work for yourself.
07
Protecting yourself
Income protection, private healthcare and financial protection.
Also
Limited companies
Separate guides for company directors, tax, accounts and Companies House.
Latest ByteStart guides
Late Payment Interest Calculator – Calculate Interest on Overdue Invoices
Calculate statutory late payment interest and recovery compensation on overdue UK business invoices. Simple interest using the applicable Bank of England reference rate.
Read the guideCorporation Tax Calculator – UK Limited Companies (2026/27)
Calculate UK Corporation Tax for 2026/27, including marginal relief at profits between £50,000 and £250,000. Free limited company…
Read the guideVAT Calculator – Add or Remove UK VAT
Add or remove VAT at 20%, 5% or 0%. Calculate the VAT amount, net price and total with…
Read the guideBreak-Even Calculator – How Many Sales Do You Need?
Find out how many sales your business needs to cover its costs. Enter fixed costs, selling price and…
Read the guideProfit Margin Calculator – UK Small Businesses
Calculate your business's gross profit, net profit before tax, gross margin and net profit margin. Free UK small…
Read the guideEmployee Cost Calculator 2026/27 – UK Small Businesses
Calculate the real cost of employing someone in the UK, including salary, employer National Insurance, workplace pension and…
Read the guideSmall Business Saturday 2026: UK tour begins ahead of 5th December event
Small Business Saturday returns on 5th December 2026, with a UK tour, free business webinars and opportunities for…
Read the guideHow to manage multiple client projects as a small business
Managing several projects in your small business: see who's free, decide which client comes first, and protect your…
Read the guideHow to launch a coffee brand in the UK without owning a roastery
A practical guide to starting your own coffee brand, including how own-label coffee works, what it costs and…
Read the guideLimited company business insurance – what cover do you need?
A practical guide to insurance for UK limited companies - what the law requires, what clients may insist…
Read the guideLimited company business bank accounts: how to choose
How to choose a business bank account for your UK limited company, including fees, account eligibility, directors' checks,…
Read the guideBudget 2026 halves Business Asset Disposal Relief limit to £500,000
The Budget cuts the Business Asset Disposal Relief lifetime limit to £500,000 from April 2027. What will it…
Read the guideBudget 2026 live – how will it affect small businesses?
Follow Budget 2026 news affecting small businesses, sole traders and limited company directors, with confirmed pre-Budget measures and…
Read the guideTrading allowance explained – £1,000 now, £3,000 from April 2027
How the UK trading allowance works, who can use it, when to register with HMRC, and what changes…
Read the guideMileage allowance for sole traders – 2026/27 rates and April 2027 changes
Mileage allowance for sole traders in 2026/27: current HMRC mileage rates, qualifying journeys, record-keeping requirements and tracking apps.
Read the guide