Invoice Template
for Web Developers

A developer invoice should map cleanly to milestones or hours so clients can see exactly what they’re paying for. Billing against milestones with an upfront deposit keeps long projects cash-flow positive.

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What to include on a web developer invoice

  • Project or milestone name
  • Hours worked or fixed milestone fee
  • Hosting and third-party costs passed on
  • Maintenance or retainer terms
  • Deposit taken before work started
  • Payment terms and due date

Example web developer invoice

A realistic example of how a web developer might lay out their invoice.

DescriptionQtyRateAmount
Frontend build (milestone 1)1£1,500£1,500
Backend & API (40 hours @ £55)40£55£2,200
Third-party services (passed through)1£120£120
Total£3,820

Getting paid: Invoice against milestones with a deposit before work starts; for ongoing work, add a monthly retainer line so you’re not re-quoting every change.

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