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Business insights from Zazentax Resource

Move on from traditional accounting. From returns to discounts, gift cards and global VAT needs, we know ecommerce.

Excel

SaaS Metrics Workbook

Type four movements a month and every metric follows: growth, NRR and GRR annualised properly, CAC and payback. One waterfall,…
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Calculators

Digital Services VAT Checker

UK VAT, reverse charge, OSS or outside the scope: answer three questions about any customer and get the treatment, the…
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Calculators

Share Options Tax Calculator

On one worked grant the holder keeps £41,540 under EMI and £29,000 unapproved, while the company saves £7,500 of NIC.…
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Calculators

R and D Tax Relief Calculator

The 20 per cent credit is taxable: £180,000 of qualifying spend nets £27,000, £29,160 or up to £48,546 through ERIS.…
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Calculators

Price Rise Impact Calculator

A 10 per cent rise with 3 per cent walking still adds £2,680 a month. Price the fear before the…
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Calculators

Rule of 40 Calculator

Growth plus margin should clear forty. Score your company on an EBITDA or free cash flow basis and see whether…
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Calculators

CAC, Payback and LTV Calculator

Payback is 5.0 months on revenue and 6.25 on gross margin: same company, one honest number. CAC, payback and LTV…
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Calculators

NRR and GRR Calculator

Monthly retention compounds: 98.7 per cent a month is 85.5 a year. See NRR and GRR both ways, quote the…
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Calculators

MRR Bridge Calculator

Four movements decide whether MRR grows: new, expansion, contraction and churn. Type them in, read net new MRR and growth…
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