11 Calculators — Updated for 2026/27
All calculators use confirmed 2026/27 and 2025/26 HMRC rates. Select a calculator below for an instant estimate — then book a free discovery call for personalised advice.
Income Tax & NIC
Estimate income tax and NIC for 2026/27 and 2025/26. Includes personal allowance taper.
Open Calculator →Sole Trader Tax
Self Assessment income tax plus Class 4 NIC (and voluntary Class 2) for self-employed people. 2026/27 ready.
Open Calculator →Salary vs Dividend Optimiser
Find the most tax-efficient salary and dividend mix for owner-directors. New 2026/27 rates included.
Open Calculator →Corporation Tax
Small profits rate, marginal relief and main rate calculator. Adjusts for associated companies.
Open Calculator →Dividend Tax
Dividend tax for 2025/26 and 2026/27. Includes the 2% rate increase from April 2026.
Open Calculator →Capital Gains Tax
CGT on property, shares and business assets. BADR rate increased to 18% from April 2026.
Open Calculator →SDLT — Standard Residential
Stamp duty on a standard residential purchase in England & Northern Ireland.
Open Calculator →SDLT — Additional Dwelling
SDLT for buy-to-let and second homes including the 5% additional dwelling surcharge.
Open Calculator →SDLT — First-Time Buyer
SDLT with first-time buyer relief. Nil rate up to £300,000 for properties up to £500,000.
Open Calculator →SDLT — Commercial / Non-Residential
SDLT on commercial and mixed-use property purchases.
Open Calculator →SDLT — Corporate Residential
SDLT for companies buying residential property. Flat 17% rate above £500,000.
Open Calculator →Inheritance Tax Estimator
Estimate IHT including nil-rate band, RNRB, spouse exemption and new BPR cap.
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