What to include on a IT services invoice
Show per-user or per-device counts
List seat or device counts so the client can match them to headcount. Adjust quickly when staff join or leave.
Separate in-scope and out-of-scope work
Make clear which tasks the monthly plan covers and which were billed extra, like projects or after-hours emergencies.
Itemize hardware and licenses
Include model numbers for hardware and the term for software licenses so the client has a usable asset record.
Summarize the work done
A one-line ticket summary in the notes reminds clients that a quiet month still involved monitoring and maintenance.
Example IT services line items
These sample entries show how to describe IT services work clearly. Rates are illustrative only; use your own pricing.
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Managed IT support, per user per month | 15 | $95.00 | $1,425.00 |
| Endpoint security and backup, per device | 18 | $12.00 | $216.00 |
| On-site visit: network switch replacement (hours) | 3 | $125.00 | $375.00 |
| 24-port managed switch (hardware) | 1 | $420.00 | $420.00 |
| After-hours emergency call | 1 | $225.00 | $225.00 |
| Subtotal | $2,661.00 | ||
Payment terms for IT services invoices
Our suggestion: Monthly in advance, Net 15, with auto-pay encouraged.
Sample terms you can paste into the invoice: “Monthly service fees are billed in advance. Hardware remains the property of the provider until paid in full. Work outside the support agreement is billed at $125 per hour.”
Not sure what Net 15 or 2/10 Net 30 mean? Payment terms explained.
IT Services invoice FAQ
How do managed service providers bill clients?
Most MSPs charge a recurring monthly fee per user or per device, billed in advance, plus separate charges for projects, hardware and out-of-scope work. Some offer tiered plans with different response times.
Should I mark up hardware on an IT invoice?
Many IT providers add a markup to cover sourcing, configuration and warranty handling. Whether you show the markup openly is your choice, but be consistent and disclose it if your contract requires.
Is sales tax charged on IT services?
It depends on the state and the service. Hardware is usually taxable, while some states also tax certain IT services or software. Confirm with your state tax authority or an accountant before setting up recurring invoices.