Useful Tools & Resources
We’ve put together a collection of helpful tools, calculators and resources to help you manage your finances with confidence.
We’re Always Here to Help — But These Tools Let You Get a Head Start!
Whether you’re estimating your tax bill, checking your National Insurance contributions, or planning your business finances — our hand-picked tools and resources are here to help you stay on top of your money.
Resources & Calculators
Useful Resources for Financial Management & Forecasting
Self Assessment Tax Calculator
Estimate how much Income Tax and National Insurance you owe on your self-employment income directly through HMRC’s official tool.
HMRC Tax Checker
Check whether you’ve paid the right amount of tax in the current tax year using HMRC’s free online service.
National Insurance Calculator
Find out how your National Insurance contributions affect your State Pension entitlement.
VAT Calculator
Quickly calculate VAT on any amount — whether you need to add or remove VAT from a price.
Take the Next Step with Our Expert Guides
Everything you need to know — in one place, in plain English.
We know that running a business comes with a lot of questions. That’s why we’ve put together practical, easy-to-follow ebooks written by our team of qualified accountants covering everything from starting your business in the UK, to understanding tax, VAT, payroll, and so much more.
Whether you’re just finding your feet or ready to take your business to the next level, our guides are designed to give you the knowledge and confidence to make the right decisions at your own pace, in your own time.
Trusted advice from real accountants. Written for people like you.
Resources
Other Tools & Resources
Registering as self-employed
Find out how and when to register as self-employed with HMRC, including key deadlines and what to expect after registration.
Self Assessment — login & filing
Log in to your HMRC account to file your Self Assessment tax return, check your tax bill and make payments. LINK filinggov.uk/log-in-file-self-assessment-tax-return
Check your tax code
Understand what your tax code means and check whether HMRC has the right one for your situation. LINK gov.uk/tax-codes
Allowable expenses (self-employed)
A full guide to the costs you can deduct from your income to reduce your tax bill as a self-employed individual.
Making Tax Digital (MTD) — from 2026
Learn how MTD for Income Tax will affect self-employed individuals and landlords from April 2026 — and how to prepare. LINK gov.uk/guidance/using-making-tax-digital-for-income-tax
Register a Ltd company (Companies House)
Step-by-step guide to incorporating a limited company online through Companies House — quick, simple and official. LINK gov.uk/register-a-company-online
Costs & reliefs for Ltd and sole traders
Official HMRC guidance on allowances, expenses and tax reliefs available to limited companies and sole traders. LINK gov.uk/government/collections/allowances-expenses-and-reliefs-when-you-run-a-business
Tax rates & thresholds 2025/26
Current Income Tax rates, Personal Allowance and National Insurance thresholds for the 2025/26 tax year. LINK gov.uk/income-tax-rates
Resources
Independent & Trusted Resources
Tax guides
Low Incomes Tax Reform Group — practical, plain-English tax guides for individuals
Link litrg.org.uk
Xero UK guides
Xero UK guides — expenses, self-assessment, VAT explained clearly. LINK xero.com/uk/guides
MoneySavingExpert
Martin Lewis’s trusted consumer finance site — practical tax tips, Self Assessment guides and money-saving advice written in straightforward, everyday language. LINK moneysavingexpert.com/tax
VAT Registration in the UK: Do You Need to Register, and What Happens When You Do?
VAT can feel complicated — but it doesn't have to be. ETAXPOL explains when you need to register, what it means for your business, and how to stay on top of it. VAT — Value Added Tax — is something every growing business in the UK will encounter sooner or later. For...
Running a Business in the UK as a Polish Entrepreneur: 5 Things That Will Make Your Life Easier
Moving to the UK and starting a business is a brave step. Here are 5 practical things every Polish entrepreneur should know to get off to a strong start. Starting a business in a new country takes courage. You're learning new rules, dealing with a different language,...
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