VAT
VAT return estimator
Estimate VAT owed or reclaimable from sales and VAT-able expenses.
Estimates only · no data stored
Interactive calculators
Quick estimates to help you plan with confidence
These calculators run entirely in your browser, so your numbers never leave your device. Use them for a realistic starting point, then check your final figures with Jeremy.
Self-assessment
Self-assessment tax estimator
A starting point for income tax and National Insurance planning.
Estimates only · no data stored
CIS
CIS deduction calculator
Check CIS deductions and net payments for contractor invoices.
Estimates only · no data stored
Profitability
Profit margin calculator
Quickly gauge gross and net margin percentages from revenue and costs.
Estimates only · no data stored