How to Invoice as a Private Security Company in Columbia, SC

Invoicing guide for private security companys in Columbia: 6% SC sales tax, 1.5%/mo late-fee cap, plus SC licensing and contractor rules.

Combined sales tax
6%
Late fee cap
1.5%/mo
Net terms
30 days
Deposit
0%
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1. Columbia-specific tax handling

  • State sales tax: 6%. Local jurisdictions in Columbia may add their own rate — verify with your local tax assessor.
  • Late fees: SC statute S.C. Code §34-31-20 caps interest on unpaid invoices at 1.5% per month.

2. Standard private security company line items

  • Unarmed officer — per hour — billed by hour (~$35 default).
  • Armed officer — per hour — billed by hour (~$65 default).
  • Vehicle patrol — billed by flat.
  • Holiday surcharge — billed by pct.

3. Payment terms that work in Columbia

Net 30 is standard for private security companys.0 Accept card and ACH on the invoice itself — Columbia customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

State security agency license required. Each officer must hold state guard card; armed officers need separate firearms permit.

Metro
Columbia
State
SC
Net terms
30 days
Deposit
0%

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