Free Invoice Template for Web Developers
Invoice clients for websites, web apps, maintenance, and hosting. Hourly or project billing, instant PDF export — free, private, no subscription.
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Web Developer Invoice Essentials
A professional web development invoice needs to clearly communicate what was built and on what terms. Include:
- Project name and brief scope — e.g., "E-commerce website build — WooCommerce, 50 product pages"
- Milestone or billing period — what phase of the project this invoice covers
- Technology stack referenced briefly — clients appreciate knowing what they paid for (WordPress, React, Shopify)
- Hosting and domain costs if managed on the client's behalf
- Maintenance plan details if applicable — hours included, response time SLA
- Your payment details and preferred payment method
Billing Models for Web Developers
Fixed-price project: Best for well-scoped website builds. Split into milestone payments — 30–50% upfront, a mid-project payment at a defined milestone, and the balance on launch. Protects both parties and ties payment to deliverables.
Hourly: Suitable for ongoing development, bug fixes, and exploratory projects where scope isn't fixed. Track time carefully and include a time summary (task and hours) in the invoice.
Monthly maintenance retainer: Recurring fixed fee for uptime monitoring, updates, security patches, and a defined number of change-request hours per month. Invoice at the start of each month.
Sprint billing: For agile projects, invoice at the end of each sprint for work completed. Agree on sprint cost upfront to avoid invoice surprises.
Invoicing for Hosting, Domains, and Third-Party Services
Web developers often manage hosting, domains, and plugins on behalf of clients. Keep these clearly separated from your service fee:
- Hosting costs — pass through at cost or with a small management markup (10–15%). Label clearly: "Hosting — Cloudways plan — March 2025 — €45/month"
- Domain registration and renewal — pass through at cost with receipts
- Premium plugin licences — list each plugin, cost, and renewal date
- SSL certificates if purchased separately
Make clients aware when annual renewals are due so they're not surprised by an invoice for hosting they forgot you managed.
Tax for Freelance Web Developers
Web development services are taxable in most jurisdictions:
- EU web developers: Add VAT at your local rate if registered. For B2B clients in other EU countries, use reverse charge — include both VAT IDs and add "VAT reverse charge — Article 196 EU VAT Directive" to the notes.
- UK web developers: 20% VAT once registered above £90,000 threshold. Applies to both development services and most digital products.
- US web developers: Custom software development is often exempt from sales tax, but digital products, SaaS, and pre-built themes may be taxable in some states. Consult a local accountant for state-specific rules.
Frequently Asked Questions
How should I invoice for a website maintenance retainer?
Create a monthly line item specifying exactly what's included: "Website maintenance retainer — April 2025 — includes: core/plugin updates, daily backups, uptime monitoring, 2h change requests". Invoice at the start of each month. Track change request hours and notify the client if they're close to the limit before overrunning.
What is a fair deposit for a web development project?
A 30–50% deposit before work begins is standard. For larger projects (€5,000+), a three-stage payment schedule is common: deposit at kickoff, progress payment at a defined milestone (e.g., design sign-off), and the balance on launch. Always get the deposit before writing a single line of code.
How do I invoice for a project that ran over scope?
Issue a variation order invoice: "Scope variation — additional functionality requested on [date]: [description] — [hours] × [rate] = [amount]". Reference the original project and SOW number. Ideally, agree scope changes in writing before doing the work and include the variation on the next regular invoice.
Should I include my GitHub or live URL in the invoice?
You can reference the project deliverable in the description field, but don't include live credentials or private repository URLs in an invoice PDF — it's a persistent document that may be stored or forwarded. Handover documentation is better delivered separately from the financial record.
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