The Billvy blog

Running the money side of a small business

Practical, plain-English guides on invoicing, expenses, cash flow, and taxes — for owners who'd rather be doing the work than reading about accounting.

Invoicing & getting paid

Invoice Payment Terms: Net 30, Net 14 and What to Actually Use

Net 30 is a default most freelancers never chose. What each term means, what the early-payment discount really costs, and which one belongs on your invoice.

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Invoicing & getting paid

What You Can Legally Charge on a Late Invoice in the UK

Statutory interest is 11.75% as of H2 2026, plus a fixed fee per invoice — automatically, whether or not it is in your contract. The maths, worked through.

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Tax & compliance

The UK E-Invoicing Mandate: What Small Businesses Actually Need to Do

From April 2029 a PDF will not be a valid VAT invoice. What is confirmed, what is still being designed, and why doing nothing yet is the right call.

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Invoicing & getting paid

Best Invoicing Software for Freelancers in 2026

A practical comparison of invoicing tools for freelancers — what actually matters when picking one, and who each option is really for.

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Invoicing & getting paid

QuickBooks vs Billvy: Which One Actually Fits Your Business?

An honest comparison — where QuickBooks genuinely wins, where Billvy is the better fit, and how to tell which one you need.

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Cash flow & taxes

How to Avoid Tax Surprises as a Small Business

Most tax-time surprises come from bookkeeping habits, not the tax bill itself. Here's what actually causes them, and how to prevent one.

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Invoicing & getting paid

How to Write an Invoice That Actually Gets You Paid on Time

Most late payments aren't a chasing problem — they're an invoice problem. Here's exactly what to put on one, and a follow-up schedule that gets you paid without the awkward emails.

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