Construction Invoice Generator
Application-style invoicing with measured work, variations and retention.
Service Invoice Generator
Invoice for work done over a period, with service dates on every line.
Your invoice
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Exactly what printsQuick Tool Overview
The Service Invoice Generator puts the service period and per-line dates on the document, so a client can tell what they are paying for without ringing you — which is the single commonest reason a services invoice sits unpaid in a queue.
- What it does
- Builds an invoice for work done over a period
- You give it
- The period, the services and the rate
- You get back
- An itemised service invoice with dates
- Best for
- Agencies, consultants, support and maintenance
About the Service Invoice Generator
An invoice for services is queried far more often than an invoice for goods, and almost always for the same reason: the customer cannot tell from the document what they are paying for. A box that says "consultancy — 4,000" invites a phone call. A line that says what was done, over which dates, and how much of it, does not.
This builder puts a service period on the invoice and a detail line under every item, so each row can carry its own dates and scope without cluttering the main description. The unit column prints hours, days, sessions or months, and the reference field takes a contract or engagement number.
It suits professional services, agencies, maintenance and support contracts, therapists, tutors and anyone billing for time rather than things — and like everything here it runs entirely in your browser, so client names and rates are never uploaded.
Key features of the Service Invoice Generator
Service period on the invoice
The month, quarter or contract period the bill covers.
A detail line per item
Scope and dates under each service, without cluttering the description.
Any unit you price in
Hours, days, sessions, visits or months.
Retainer-friendly
Say what the retainer covers and what happens to unused time.
Exports for your books
CSV and JSON carry the period and the lines.
How to use the Service Invoice Generator
-
1
Set the service period
The reference field takes the month, quarter or contract period the invoice covers.
-
2
Write one line per service
Use the detail line under each item for dates, scope and who did the work.
-
3
Choose the unit
Hours, days, sessions, months or visits — whatever your contract prices in.
-
4
Add terms and send
Print, save a PDF, or export for your accounting system.
Frequently asked questions
The usual invoice details plus the period covered, a description specific enough to identify the work, the unit you are charging in, and the rate. For a retainer, say what the retainer covers.
Normally the date you raise it, but the tax point can differ — in the UK it is usually the earlier of the date the service was completed and the date of payment. For long engagements many businesses invoice monthly in arrears.
One line saying what the retainer buys, with the period in the detail line, and a note about what happens to unused hours. Ambiguity about rollover is the most common retainer dispute.
Yes — that is a proforma invoice or a payment in advance. Use the proforma generator for a request for payment that is not yet a tax document.
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