Consultant Invoice Example
A day-rate consulting invoice for an engagement phase.
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| Description | Qty | Rate | Amount |
|---|---|---|---|
| Discovery workshops and stakeholder interviews | 4 | 1.100,00 € | 4.400,00 € |
| Process mapping and analysis (day rate) | 6 | 1.100,00 € | 6.600,00 € |
| Findings report and recommendations | 2 | 1.100,00 € | 2.200,00 € |
| Travel and expenses | 1 | 620,00 € | 620,00 € |
USt at 19 percent. Reverse charge does not apply, both parties are German registered. Payment within 30 days.
A consultant invoice bills for advisory work, usually at a day rate or against a fixed engagement fee. It references the engagement or phase, lists the days or deliverables, and often carries travel and expenses as a separate line. Clean documentation matters, because consulting clients tend to have formal accounts payable processes.
What a consultant invoice should include
- Your business name, address and tax number
- The client's legal entity and finance contact
- The engagement or phase being billed
- Days or deliverables, with the day rate
- Travel and expenses, if passed on
- A purchase order reference if the client uses one
- Tax treatment and payment terms
How to itemise the work
Bill days at your day rate against the phase of work, and describe them by activity: discovery workshops, analysis, reporting. Keep travel and expenses on a separate line and, where the client requires it, attach receipts. If the client issued a purchase order, quote its number so the invoice clears their system without a query.
Typical rates by region
| Region | Typical billing |
|---|---|
| United States | $1,000 to $3,000 per day |
| United Kingdom | £600 to £1,800 per day |
| Eurozone | €700 to €2,000 per day |
| Canada | C$900 to C$2,500 per day |
| Australia | A$1,000 to A$2,800 per day |
Indicative ranges for guidance. Your rate depends on experience, location and the job.
Tax and compliance
Cross-border consulting inside the EU may fall under the reverse charge, where the client accounts for VAT rather than you. Domestic work is charged at your national rate. In the US, professional consulting is exempt from sales tax in most states. State the treatment on the invoice so there is no ambiguity.
Payment terms
Net 30 is standard for corporate clients, though smaller firms may agree net 15. A purchase order number, a clean breakdown of days, and clearly separated expenses all help the invoice pass through accounts payable without delay.
Frequently asked questions
What is the reverse charge on an EU consulting invoice?+
When you provide services to a VAT-registered business in another EU country, the reverse charge often applies, meaning you do not add VAT and the client accounts for it in their own return. You note on the invoice that the reverse charge applies and quote both parties' VAT numbers.
Should I bill a day rate or a fixed fee?+
A day rate suits open-ended advisory work where the scope may shift. A fixed engagement fee suits a defined piece of work with a clear deliverable, and gives the client budget certainty. Many consultants quote a fixed fee built from an estimated number of days.
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Use this exampleLast reviewed April 2026
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