Free Tax Tools & Calculators

Quick estimates for common tax questions — no sign-up needed. For accurate advice tailored to your situation, speak to Jeff or Rhian directly.

Estimates only — based on 2026/27 England & Wales rates. Not a substitute for professional advice.
Sole traders & individuals

Self-Assessment Tax Estimate

Estimate your income tax and National Insurance for 2026/27

£
£
£
£
Total income
Personal Allowance-£12,570
Income Tax
Class 4 NI (self-employment)
Dividend Tax
Estimated tax bill

This is a simplified estimate. It does not account for pension contributions, Gift Aid, student loan repayments, tax already deducted via PAYE, or other reliefs. Your actual liability will differ.

Limited company directors

Salary & Dividend Tax Calculator

Compare your tax under different salary and dividend combinations

£
£
Employee NI on salary
Employer NI on salary
Income tax on salary
Dividend tax
Total personal tax cost

Employer NI is a company cost, not personal tax, but included for total picture. Does not include Corporation Tax on company profits. Assumes no other income.

VAT

VAT Calculator

Add or remove VAT from a price, or check if you're near the registration threshold

£
Net (ex-VAT)
VAT amount
Gross (inc-VAT)

VAT threshold tracker

£
VAT threshold (2026/27)£90,000
Your turnover
Headroom remaining

Expenses

Business Mileage Calculator

Work out your allowable mileage claim using HMRC approved rates

Miles at first-tier rate
Miles at second-tier rate
Total allowable claim
2026/27 HMRC approved mileage rates:
Cars & vans: 45p/mile (first 10,000), 25p/mile thereafter
Motorcycles: 24p/mile
Bicycles: 20p/mile
Deadlines

Key Tax Dates 2026/27

The dates that matter for individuals and small businesses this tax year

Self-Assessment — online return
31 January 2027
For the 2025/26 tax year
Self-Assessment — paper return
31 October 2026
For the 2025/26 tax year
Payments on account
31 Jan & 31 Jul
If payments on account apply to you
Corporation Tax payment
9 months + 1 day
After your accounting year end
Annual accounts filing
9 months
After your accounting year end
MTD quarterly update 1
5 August 2026
Quarter ending 5 July
MTD quarterly update 2
5 November 2026
Quarter ending 5 October
CH ID verification deadline
18 November 2026
Absolute backstop for all directors & PSCs
MTD quarterly update 3
5 February 2027
Quarter ending 5 January
VAT return (quarterly)
1 month + 7 days
After end of each VAT quarter
Limited companies

Corporation Tax Estimator

Estimate your company's Corporation Tax liability for the year

£
Taxable profit
CT rate applied
Estimated Corporation Tax
Profit after CT

The marginal relief taper (19%–25%) applies to profits between £50,000 and £250,000. These thresholds are divided by the number of associated companies. This is an estimate only.

Want the exact numbers for your situation?

These tools give quick estimates — for accurate tax planning tailored to your business, speak to Jeff or Rhian directly. Free 30-minute call, no obligation.

Book a free call →