Invoice for Services vs Products: Key Differences
Whether you're a consultant billing for hours or a retailer selling physical goods, your invoice needs to reflect what you actually delivered.
Service Invoices
Service invoices are used by freelancers, consultants, agencies, and any business that sells time or expertise rather than physical goods.
What to include on a service invoice:
- Description of the service (be specific)
- Hours worked and hourly rate, or a flat project fee
- Date(s) the service was performed
- Any agreed milestones or deliverables
Good example:
Website redesign — 12 hours @ $85/hr = $1,020
SEO audit and keyword research — flat fee = $400
Product Invoices
Product invoices are used by retailers, wholesalers, and manufacturers selling physical or digital goods.
What to include on a product invoice:
- Product name and description
- SKU or item code (if applicable)
- Quantity and unit price
- Subtotal per line item
- Delivery/shipping charges (if any)
- Tax (VAT/sales tax) where applicable
Mixed Invoices (Products + Services)
Some businesses bill for both — e.g., an IT company that sells hardware and charges for installation. Simply list both types of line items clearly on the same invoice.
Tax Differences
Tax rules often differ for products vs services. Physical goods are usually subject to sales tax/VAT; some services may be exempt or taxed differently. Always verify the applicable rules in your jurisdiction.
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