Invoicing guides for freelancers and small businesses.
Practical, no-fluff writing on the boring-but-important job of getting paid on time — from the team building Invosi.
- Guide1 July 20269 min read
Multi-currency invoicing: the 3-step problem most tools get wrong
Multi-currency is not one feature, it is three. Most invoicing tools only do one. Here is what the other two are and how to do them right.
Read the guide → - Tax & Compliance1 July 20268 min read
Rechnung schreiben als Kleinunternehmer: Pflichtangaben, Vorlage & §19 UStG
Welche Pflichtangaben eine Rechnung als Kleinunternehmer nach §19 UStG haben muss, was auf die Rechnung darf und was nicht, und wie Sie mit einer kostenlosen Vorlage in unter 5 Minuten eine korrekte Rechnung erstellen.
Read the guide → - Tax & Compliance1 July 20267 min read
Reverse Charge auf Rechnungen: §13b UStG korrekt ausweisen (mit Beispiel)
Wann Sie auf Ihrer Rechnung "Reverse Charge" und "Steuerschuldnerschaft des Leistungsempfängers" ausweisen müssen, wie der Textbaustein lauten muss, und welche Fehler zu einer Steuernachforderung führen.
Read the guide → - Guide1 July 20267 min read
Factuur versturen via iDEAL als ZZP'er: zo werkt het (incl. gratis voorbeeld)
Een factuur met een iDEAL-betalingslink stuur je in drie stappen: factuur aanmaken, betaallink genereren, naar de klant mailen. Inclusief concrete voorbeeldtekst, tarievenoverzicht en de drie dingen die je fout kunt doen.
Read the guide → - Guide1 July 20268 min read
Herinnering sturen voor een factuur (incl. voorbeeldteksten)
Wanneer mag je een herinnering sturen, hoeveel herinneringen zijn redelijk, en wat is de wettelijke route na de tweede herinnering? Met voorbeeldteksten voor een vriendelijke eerste herinnering, een zakelijke tweede herinnering en een formele aanmaning.
Read the guide → - Tax & Compliance13 June 20268 min read
VAT on Stripe payouts: a UK freelancer's guide
If you are a UK freelancer using Stripe, here is how VAT, MTD, and Stripe fees actually interact on every payout. Real examples, not theory.
Read the guide → - Guide6 June 202610 min read
How to write an invoice that actually gets paid (7 rules + free template)
Most invoices get ignored. Here is what the 8% that get paid fast have in common — 7 specific rules, a free template, and 3 real-world examples.
Read the guide → - Guide31 May 20265 min read
How to switch from Word or Excel to invoicing software (without losing data)
The switch from manual invoicing to dedicated software usually takes 1-2 weeks and saves 4-6 hours per month. The migration: import your client list, set up your first invoice template, configure your payment details, send your first invoice.
Read the guide → - Tax & Compliance25 May 20266 min read
Late payment interest rates UK (2026 reference)
The UK statutory late payment interest rate is 8% above the Bank of England base rate. With the base rate at 3.75% in 2026, the current statutory rate is 11.75% per year. Includes worked examples, the Late Payment Act 1998 details, and how to escalate.
Read the guide → - Guide19 May 20265 min read
How to write a freelance invoice email (with examples)
A freelance invoice email should be short, professional, and include 5 things: a clear subject line, a friendly greeting, a one-sentence summary, the invoice, and a clear "what happens next" line. With worked examples for new clients, recurring clients, and overdue invoices.
Read the guide → - Guide13 May 20266 min read
What is a good payment term for freelance invoices? (UK guide)
30 days net is the standard payment term for UK freelance work. 14 days is right for small freelancers with cashflow pressure. 45 days or more is acceptable for larger projects. Anything longer than 60 days is a red flag. Includes the Late Payment Act statutory interest details.
Read the guide → - Tax & Compliance7 May 20266 min read
How to handle VAT on invoices to EU customers post-Brexit
Post-Brexit, UK freelancers supplying services to EU customers (B2B) generally do not charge UK VAT. The customer accounts for VAT in their own country via the reverse charge. For B2C, you charge VAT at the customer's country rate via the OSS scheme.
Read the guide → - Tax & Compliance2 May 20268 min read
Sole trader vs limited company: which is right for a UK freelancer?
A sole trader is the simplest structure. A limited company is a separate legal entity. The right choice depends on your income, risk profile, and admin tolerance. Most freelancers earning under £40,000/year are better off as sole traders; most earning over £80,000 benefit from incorporating.
Read the guide → - Tax & Compliance27 April 20268 min read
Making Tax Digital for Income Tax: what UK freelancers need to know in 2026
MTD for Income Tax is being phased in from April 2026. From 6 April 2026, sole traders and landlords with turnover over £50,000 must keep digital records and submit quarterly updates. The threshold drops to £30,000 in 2027.
Read the guide → - Tax & Compliance22 April 20267 min read
Do I need to register for VAT as a UK freelancer? (2026 rules)
You must register for VAT when turnover crosses £90,000 in any rolling 12-month period. The threshold is frozen at £90,000 for 2026-27. This guide covers the rules, the timing, voluntary registration, and the penalties for not registering.
Read the guide → - Guide17 April 20266 min read
How to read any pricing page: a framework for freelancers
Every invoicing-software pricing page is hiding the real cost. A 5-question framework for comparing any two tools in 5 minutes, with a worked example showing how a $7 tool can cost $740/year.
Read the guide → - Tax & Compliance12 April 20268 min read
How to invoice as a UK freelancer in 2026 (and what changes with Making Tax Digital)
A practical 2026 guide to invoicing for UK freelancers — what to include on a UK invoice, when to charge VAT, and how Making Tax Digital (MTD) changes your record-keeping from April 2026.
Read the guide → - Guide7 April 20267 min read
Multi-currency invoicing: how to invoice in any currency without losing money on the FX
A practical guide to multi-currency invoicing for freelancers and small businesses — how to choose the right currency, when to absorb FX, and how Invosi handles 4 currencies in one flat-fee plan.
Read the guide → - Tax & Compliance2 April 20268 min read
VAT on invoices: a plain-English guide for freelancers and small businesses
A practical guide to when you need to charge VAT on your invoices, what the 20% rate covers, how to add it to your invoice, and the four common mistakes that trigger HMRC penalties.
Read the guide →