How to Invoice as a Virtual Assistant in Portland, ME

Invoicing guide for virtual assistants in Portland: 5.5% ME sales tax, 1.5%/mo late-fee cap, plus ME licensing and contractor rules.

Combined sales tax
5.5%
Late fee cap
1.5%/mo
Net terms
7 days
Deposit
0%
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1. Portland-specific tax handling

  • State sales tax: 5.5%. Local jurisdictions in Portland may add their own rate — verify with your local tax assessor.
  • Late fees: ME statute Me. Rev. Stat. tit. 9-B, §432 caps interest on unpaid invoices at 1.5% per month.

2. Standard virtual assistant line items

  • Hourly support — billed by hour (~$45 default).
  • Retainer (monthly hours) — billed by flat.

3. Payment terms that work in Portland

Net 7 is standard for virtual assistants.0 Accept card and ACH on the invoice itself — Portland customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No license required.

Metro
Portland
State
ME
Net terms
7 days
Deposit
0%

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