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Freelance Developer Invoice Template

Freelance developers typically bill by the hour, per sprint, or as a fixed-price project. This invoice template is designed for software developers, web developers, and IT contractors. It handles hourly rate billing, milestone-based payments, and technical consultancy fees — with full EU VAT and UK compliance built in.

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Kai Chen

Berliner Str. 12

10115 Berlin

Germany

VAT: DE 234 567 890

INVOICE

INV-2026-031

Bill To

TechScale GmbH

Potsdamer Platz 5

10785 Berlin

Germany

VAT: DE 987 654 321

Issue Date

25 Apr 2026

Due Date

9 May 2026

Invoice No.

INV-2026-031

Description	Qty	Rate	Amount
Backend API development — Sprint 4	40 hrs	€110	€4,400
Code review & documentation	6 hrs	€110	€660
AWS infrastructure setup (reimbursable)	1	€320	€320

Subtotal€5,380

VAT 19%€1,022

Total Due€6,402

Zahlungsziel 14 Tage. Überweisung auf IBAN DE89 3704 0044 0532 0130 00

What to include on a freelance developer invoice

Every valid invoice needs these fields. Missing any of them can result in delayed payments or rejected claims.

Your name or company, address, and VAT or UTR number

Client name, registered address, and their VAT number (for B2B)

Unique invoice number and issue date

Project name, repository, or ticket reference

Hours worked × hourly rate, or fixed project fee

Sprint milestones if billing in stages

Expenses such as hosting, licences, or tooling (if reimbursable)

Net total, VAT, and gross total

Payment terms (typically 14–30 days)

Bank account IBAN or payment link

VAT guidance for freelance developers

UK contractors operating inside IR35 should verify VAT treatment with their accountant. EU developers billing cross-border B2B: apply reverse charge VAT if the client is VAT-registered in another EU state. Include the reverse charge note on the invoice.

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Frequently asked questions

How do I invoice as a freelance developer in the UK?

Include your full name or company name, address, and your VAT registration number if you are VAT-registered. Each invoice needs a unique sequential number, the date, a description of the work, and the total including VAT. If you are not VAT-registered, do not add VAT.

What payment terms should I use on a developer invoice?

Standard developer invoice payment terms are net 14 or net 30 days from the invoice date. Include late payment interest terms if permitted under your contract.

Can I invoice for both development hours and reimbursable expenses?

Yes. List development hours and expenses as separate line items. Expenses are typically listed at cost with no markup unless agreed otherwise.

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