Aviy for Consultants
Invoicing for consultants - bill hourly, daily, or by project
Strategy work, advisory retainers, day-rate engagements, fixed-fee projects. Aviy turns the messy reality of consulting billing into clean, professional invoices that get paid faster - without making you act like a bookkeeper.
Built for the way consultants bill
Mixed billing models
Some clients pay you per hour, some per day, some on retainer, some on fixed-fee deliverables. Aviy handles every model on a single invoice.
International clients
You advise clients in different countries and currencies. Aviy formats every invoice correctly for the destination - currency, date, tax, language.
Long sales cycles
A consulting engagement often starts with an estimate or quote, signed off, then converted into invoicing milestones. Aviy supports the full lifecycle.
What you get with Aviy
Hourly, daily, or fixed billing
Mix line items on a single invoice. Hours x rate, days x rate, or one fixed deliverable.
Estimate → quote → invoice
Send an estimate to scope, a quote to commit, and convert to invoicing milestones - all from one tool.
Multi-currency
Bill in USD, GBP, EUR, AUD, CAD, or any other currency. Aviy handles symbol, decimal, and tax formatting automatically.
VAT, GST, and reverse-charge
Configure default tax for your jurisdiction. Override per-line for cross-border reverse-charge invoicing.
Embedded signatures
Add a saved signature so every invoice and engagement letter is signed off without DocuSign overhead.
Online payment
Stripe + PayPal so clients pay with one tap. Reconciliation is automatic.
Late-payment reminders
Automatic on-brand reminders so you never have to write "just checking in".
Project grouping
Tie multiple invoices to one engagement. See total billed, paid, and outstanding per project.
FAQ for consultants
Can I bill in different currencies for different clients?
Yes. Set a default currency per business, then override per invoice if a specific client uses a different one. Aviy formats currency symbol, decimal separator, and grouping correctly for each.
How do I handle reverse-charge VAT for EU clients?
Set the line-level tax rate to 0% and add a reverse-charge note in the invoice notes field. Aviy includes the right wording so EU business clients know to self-account.
Can I send an estimate, get sign-off, then issue invoices in milestones?
Yes. Send the estimate first; once the client approves, convert it to one or more invoices for the agreed milestones. Each invoice keeps a reference to the original estimate for accounting.
Do I need an accountant to use Aviy?
No. Aviy is a billing tool, not a full accounting system. It handles invoices, estimates, payments, and basic tax - perfect for solo and small consulting practices. If you need full bookkeeping, ledgers, or P&L, pair Aviy with a dedicated accounting tool.
Can I set my own day rate or hourly rate as a default?
Yes. Save default services in your business settings (e.g. "Strategy day - £1,500" or "Advisory hour - £250") and they auto-fill new invoices. Edit per-line for any deviation.
Is Aviy good for one-person consulting practices?
It is built for them. The AI generator means you can send a polished invoice in under a minute; the free tier covers everything most independent consultants need.
Get paid faster. Keep more of your time.
Aviy is free to start. No credit card. No contract. Send your first invoice in under a minute.