Practical calculators and generators built for accountants and bookkeepers. No sign-up required.
Calculate the statutory interest and compensation owed on overdue invoices under the UK Late Payment Act.
Try Tool →Instantly calculate how much Stripe takes from each payment — and what to charge to break even after fees.
Try Tool →Create a professional branded invoice in seconds and download it as a PDF — no account needed.
Try Tool →Forecast your bank balance over 12 months by modelling income, expenses, and payment delays.
Try Tool →Generate polite, professional payment reminder templates for email, WhatsApp, and letter — tailored to overdue days.
Try Tool →Know how much to set aside each month for tax, NI, and the Payment on Account that shocks every first-year freelancer in January.
Try Tool →Find the most tax-efficient salary and dividend split for your limited company in 2025/26. Minimise Income Tax and NI legally.
Try Tool →Compare Company Car vs. Commercial Van, EV vs. Petrol, and Buy vs. Lease to find the most tax-efficient route for your business.
Try Tool →Calculate your exact mandatory deadline for Making Tax Digital (MTD for ITSA) based on your income.
Try Tool →VAT Return Helper and more.