Excel
Utilisation and Time Log
A free twelve-month time log for UK freelancers. Track billable against non-billable hours and get the real utilisation figure your…
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WHY CHOOSE US
Business insights from Zazentax Resource
Move on from traditional accounting. From returns to discounts, gift cards and global VAT needs, we know ecommerce.
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Excel
Freelance Bookkeeping Template
A free twelve-month profit and loss template for UK freelancers, built so drawings sit below the profit line instead of…
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Calculators
Scope Creep Calculator
See what scope creep really costs on a fixed price. The effective rate falls by exactly the quoted hours over…
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Calculators
Retainer vs Project Calculator
Work out the most you should discount a retainer. The floor is exactly your utilisation, and below it you are…
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Calculators
Late Payment Interest Calculator
Work out what you can charge on a late invoice. Statutory interest is base rate plus 8 per cent, plus…
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Calculators
Payments on Account Calculator
Work out what is due on 31 January and 31 July. The first January carries last year in full plus…
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Calculators
VAT Flat Rate Scheme Checker
Check whether the VAT flat rate scheme is worth joining. Most service freelancers are limited cost traders and pay 16.5…
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Calculators
Sole Trader or Limited Calculator
Compare sole trader against limited company on your own profit. On current dividend rates the company wins in one narrow…
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Calculators
Inside IR35 Take-Home Calculator
See what an inside IR35 assignment actually pays. Employer National Insurance comes out of the rate before anything is treated…
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Calculators
Off-Payroll Status Checker
Find out who decides your IR35 status, you or the client. The small company thresholds rose in April 2025, moving…
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