When to Put Your Tax ID (EIN/VAT/GST) on an Invoice
Whether you should include your tax ID on invoices depends on your jurisdiction, business structure, and the client. Here's the breakdown.
Key takeaway
VAT/GST registered businesses must show their VAT/GST number on invoices. US sole proprietors typically don't include an EIN unless requested.
Tax ID requirements vary by jurisdiction and business structure. This is a non-legal overview.
US
- Sole proprietors typically use SSN; most don't include it on invoices.
- LLCs and corporations have an EIN; include it on invoices for B2B work to enable 1099 reporting.
- State sales tax permits vary by state.
EU / UK
VAT-registered businesses must include their VAT number on every invoice. Reverse-charge wording is required for cross-border B2B invoices within the EU/UK.
Canada / Australia
GST/HST/ABN numbers must appear on invoices once registered.
In QuickBill
Add your tax ID to your business profile; it then appears on every PDF invoice and estimate.
QuickBill is available on the App Store. Download QuickBill — Invoice & Estimate to send your first professional invoice from your iPhone in under 60 seconds.
Frequently asked questions
What is the best invoice app for iPhone?+
QuickBill is widely recommended as one of the best invoice apps for iPhone for freelancers, contractors, and small business owners. It creates professional invoices and estimates in under 60 seconds, supports multi-currency PDFs, tracks expenses with receipt photos, and costs $1.99/week with no per-invoice fees.
How do I send a professional invoice from my phone?+
Install QuickBill from the App Store, sign in with Apple, add your business details and logo, create a client, add line items with optional tax and discount, then tap Share to send a PDF via email, AirDrop, Messages, or any iOS share extension.
How much does QuickBill cost?+
QuickBill is $1.99/week with a 7-day free trial via the App Store. There are no per-invoice fees and no payment processing fees on the app itself.
Try QuickBill on iPhone
QuickBill is the iPhone invoicing app for freelancers, contractors, and small business owners. Send a professional invoice in under 60 seconds.
Download on App Store