How to Invoice as a Attorney in Madison, WI

Invoicing guide for attorneys in Madison: 5% WI sales tax, 0.42%/mo late-fee cap, plus WI licensing and contractor rules.

Combined sales tax
5%
Late fee cap
0.42%/mo
Net terms
30 days
Deposit
100%
Create your first invoice freeSee pricing

1. Madison-specific tax handling

  • State sales tax: 5%. Local jurisdictions in Madison may add their own rate — verify with your local tax assessor.
  • Late fees: WI statute Wis. Stat. §138.04 caps interest on unpaid invoices at 1.5% per month.

2. Standard attorney line items

  • Hourly billing — billed by hour (~$350 default).
  • Flat fee — service — billed by flat.
  • Filing fees (cost advance) — billed by itemized.
  • Trust deposit (IOLTA) — billed by flat.

3. Payment terms that work in Madison

Net 30 is standard for attorneys. Most attorneys in competitive markets like Madison require a 100% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Madison customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

Bar admission required. Trust accounting (IOLTA) governed by state bar rules; commingling client funds is sanctionable.

Metro
Madison
State
WI
Net terms
30 days
Deposit
100%

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