Free for UK business owners

Calculators, guides & genuinely useful tax stuff.

Free UK tax calculators, plain-English guides, key dates, and direct HMRC links – all kept up to date by qualified accountants. No email wall, no upsell.

Featured · Most used

The VAT Calculator

Add or remove VAT at 20%, 5% or 0%, with instant calculations showing the net amount, VAT value and gross total.

VAT: £0.00
Net: £0.00 Gross: £0.00

Free calculators

Five UK calculators, all kept current.

Bookmark them. We update them every Budget.

PROPERTY TAX

SDLT Calculator

Estimate the Stamp Duty Land Tax payable on a residential property purchase based on the property value and buyer circumstances.

VAT

VAT Calculator

Add or remove VAT at 20%, 5% or 0%, with instant calculations showing the net amount, VAT value and gross total.

PAYROLL

Payroll Calculator

Estimate Income Tax, National Insurance and take-home pay using the latest UK payroll rates and tax thresholds.

BUSINESS PLANNING

Start-up Calculator

Calculate your one-off start-up costs and ongoing monthly expenses to understand how much funding your business may need.

CONSTRUCTION TAX

CIS Calculator

Calculate CIS deductions, material costs and net payments for contractors and subcontractors working within the construction industry.

Need something custom?

Speak to our team for practical accounting support tailored to your business and circumstances.

Tax guides

Plain-English guides for UK business owners.

Autumn Budget 2024

The principal measures affecting Taxeezy clients, taxwise… Individuals and Landlords… Income tax rates and National Insurance (NI) paid by employees,

Read More »

Key dates

Every UK tax deadline, in one place.

We track every filing date so our clients don't have to. Bookmark this page or download the calendar as ICS.

Apr

06

New tax year starts

2026/27 tax year. New personal allowance, dividend, and NI rates kick in.

Annual

May

31

P60 deadline

Employers must give P60 to all employees on payroll on 5 April.

Payroll

Jul

07

VAT return (quarter end May)

VAT return + payment due for quarter ending 31 May. MTD-compatible.

VAT

Jul

31

Self assessment payment on account

Second payment on account for 2025/26 tax year due.

SA

Oct

31

Paper self assessment deadline

If you file by paper (most don't), this is the deadline.

sa

Jan

31

Self assessment online deadline

The big one. Online return + balancing payment for 2025/26.

Annual

HMRC links

Useful HMRC links, no digging required.

Direct links to the HMRC pages business owners actually need — bookmarked, organised, kept current.

Monthly summary

One 5-minute email. The month's tax news, distilled.

Once a month. Plain English. The deadlines coming up, the changes that matter, the things actually worth doing. No fluff, no upsell, unsubscribe anytime.

2,800+ UK business owners

One email per month

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Deadlines this month

VAT return for Q1 — due 7 May 2026

Change that matters

Employer NI thresholds explained in 4 minutes

One useful tip

R&D credits — what still qualifies in 2026
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