All the features you need
BooInvoice has all the invoicing features you need to run your business like the pro you are
A Consulting Invoice That Looks the Part
Add your logo, bill hourly, by project or on retainer in any currency, and download unlimited watermark-free invoices — completely free.
Get started for free
Why Consultants Choose BooInvoice
Your time is billable — invoicing shouldn’t eat into it. BooInvoice lets you send a professional invoice in seconds, however you charge, so recurring revenue arrives on schedule and you spend your hours advising, not on admin.
Whether you bill hourly, by milestone, or on a fixed monthly retainer, you can mix billing types on one invoice and reissue a retainer each month in a couple of clicks — in any currency your client needs.
What makes BooInvoice a fit for consultants and coaches:
- Bill hourly, per project, per session or on retainer
- Reissue monthly retainers in a couple of clicks
- Save your day rate, hourly rate and coaching packages
- Unlimited free invoices — no credit card, no subscription
Keep your billing as sharp as your advice, and protect your cash flow without the chase.
BooInvoice vs traditional accountancy software
Quicker, simpler and cheaper — invoicing the way it should be.
Consulting Invoice Questions
Everything you need to know about invoicing as a consultant or coach
What is the best invoice software for consultants?
The best invoice software for consultants supports how you actually bill — hourly, by project milestone, or on a monthly retainer. BooInvoice lets you save your rates and reissue invoices in seconds, so a professional invoice takes moments, not an afternoon — free to use.
How do I write an invoice as a consultant?
Add your name or firm, logo and contact details, then the client’s details, an invoice number and date. Itemise your work — hours at your rate, a fixed project fee, a retainer, or milestones — add any tax, show the total due, and include your payment terms. BooInvoice builds and totals this automatically.
How do I invoice a client on a monthly retainer?
Save your retainer client and their agreed monthly fee once, then reissue the same invoice at the start of each month in a couple of clicks. Keep the description and terms consistent so recurring revenue arrives on schedule without you rebuilding the invoice.
What should a consulting invoice include?
A clear consulting invoice includes your business and contact details, the client’s details, an invoice number and date, itemised line items (hours and rate, project fees, retainer or milestones), any tax, the total due, and your payment terms and payment details.
Can I bill by the hour as a coach or consultant?
Yes. Add your hourly rate and the hours worked and BooInvoice calculates the total for you. You can mix hourly lines with fixed-fee sessions, packages or a retainer on the same invoice.
Is there a free invoice generator for consultants?
Yes — BooInvoice is completely free. Create unlimited consulting invoices, add your logo, set your own currency and tax rate, and download watermark-free PDFs without paying or creating an account. Optional Pro features include unlimited clients, reporting and emailing invoices directly from booinvoice.com
