VAT6 min read
How to Calculate VAT in the UK
The three VAT rates, how to add VAT to a net price, and why taking 20% off a gross figure gives the wrong answer.
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Business guides
The arithmetic behind the tools, explained properly: worked examples, the mistakes worth avoiding, and links to the official guidance so you can check anything that matters.
VAT
VAT6 min read
How to Add VAT to an Invoice
What a VAT invoice must show, how to lay out the VAT line, and how to handle mixed rates on a single invoice.
Read the guideVAT6 min read
Understanding VAT Rates in the UK
Standard, reduced, zero-rated and exempt — what each one means, and why the difference affects what you can reclaim.
Read the guidePricing
Pricing6 min read
How to Calculate Business Profit Margin
Gross and net margin explained, the formula, a worked example, and the numbers margin quietly leaves out.
Read the guidePricing5 min read
What Is the Difference Between Markup and Profit Margin?
The same profit, expressed two ways — how they diverge as prices rise, and how to convert between them.
Read the guideFreelancing
Freelancing7 min read
How to Calculate Your Freelance Hourly Rate
Why dividing a salary by 2,000 hours undersells you, and the step-by-step calculation that gets it right.
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How to Calculate a Contractor Day Rate
Turning an annual target into a defensible day rate, including the non-billable days most people forget.
Read the guideInvoicing
Invoicing6 min read
How to Create a Professional Business Invoice
The details that make an invoice look credible, get paid on time and keep your records clean.
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