Invoicing · VAT · Making Tax Digital

Guides for UK Freelancers

Practical articles on invoicing, VAT, Making Tax Digital, and getting paid faster — written for sole traders and freelancers by the Invoa team.

GuidesApril 2026

How to Invoice as an Umbrella Contractor

If you work through an umbrella company you do not usually raise invoices yourself — but understanding the flow helps you track your money, spot errors, and know when you might want to move to a limited company.

Invoa team · ~2 min readRead article
GuidesApril 2026

Day Rate Calculator: What Should You Charge as a UK Contractor?

Setting your day rate is one of the most important decisions you will make as a UK contractor. Charge too little and you undermine yourself; charge too much and you lose contracts. Here is how to work it out.

Invoa team · ~3 min readRead article
GuidesApril 2026

Limited Company vs Sole Trader: How Invoicing Differs

The invoicing rules for limited companies and sole traders differ in important ways — from what goes on the invoice to how VAT and IR35 affect your obligations. Here is what you need to know.

Invoa team · ~2 min readRead article
ContractorsApril 2026

IR35 Explained: What Every UK Contractor Needs to Know

A plain-English guide to IR35 — what it is, how HMRC determines your status, and what it means for your day-to-day invoicing as a UK contractor or sole trader.

Invoa team · ~5 min readRead article
Making Tax DigitalApril 2026

MTD for Income Tax is now live — what you need to do today

Making Tax Digital for Income Tax officially started on 6 April 2026. If your income exceeds £50,000 you are now legally required to comply. Here is what that means in practice.

Invoa team · ~3 min readRead article
InvoicingMarch 2026

How to choose the right invoicing software for your freelance business

With dozens of invoicing tools on the market, it can be hard to know where to start. Here is what actually matters — and what to ignore — when choosing software for your freelance business.

Invoa team · ~4 min readRead article
InvoicingMarch 2026

How to Write Your First Invoice as a UK Freelancer

Sending your first invoice shouldn't be stressful. Here's exactly what to include, how to number your invoices, what payment terms to set, and how to make sure you actually get paid.

Invoa team · ~7 min readRead article
FreelancingMarch 2026

How to Turn Informal Help into Paid Freelance Work

Most freelancers undercharge people they know. Here's how to transition informal help into a proper commercial arrangement — without damaging the relationship.

Invoa team · ~7 min readRead article
Making Tax DigitalMarch 2025

How to Keep Digital Records for MTD: A Freelancer's Practical Guide

HMRC requires all income records to be kept digitally under MTD. Here's what qualifies as a digital record, what software HMRC accepts, and how to get organised before the April 2026 deadline.

Invoa team · ~10 min readRead article
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Free: MTD for Income Tax checklist

10 things every sole trader needs to do before April 2026. Sent to your inbox instantly.