INVOICE GUIDES
Virtual Assistant Invoices: Task Logs, Hours and Monthly Packages
A virtual assistant invoice often combines many small tasks: scheduling, document preparation, inbox support and follow-up. Listing every action can overwhelm the client, while “admin work” alone may be too vague to check. The goal is a short billing summary backed by a reliable task log.
Use the ToolNivo Invoice Generator once your hours and package terms are reconciled. It calculates entered charges, but does not connect to calendars, read task logs or monitor client work.
Build task groups that match the arrangement
Choose categories the client recognizes, such as calendar coordination, customer follow-up or document preparation. Keep the service period visible. If the agreement is hourly, group tasks that share the same rate and approval status; keep separately priced work apart.
Do not turn a fixed monthly package into an hourly bill merely because your internal log records time. The log can demonstrate the work performed without changing the package price. Likewise, do not charge both a package fee and every included task again. Confirm whether a limit concerns hours, task count or a particular set of deliverables.
Reconcile the log before entering quantities
Review overlapping entries, paused timers, breaks and work for other clients. Two tasks performed during the same fifteen minutes do not automatically create thirty billable minutes. Apply the agreed policy consistently and keep uncertain entries out of the charge until clarified.
Convert minutes to decimal hours rather than typing clock-style values into Quantity. Two hours and thirty minutes is 2.5 hours, not 2.30. The timesheet-to-invoice guide shows how to reconcile those conversions and explains why rounding individual short entries can change a bill.
Worked example: three reviewed task groups
The following USD figures are invented for the example and do not recommend a VA rate. No tax or adjustments are included.
| Task group | Hours | Rate | Amount |
|---|---|---|---|
| Calendar coordination, stated service period | 3.25 | 28.00 | 91.00 |
| Document preparation, stated service period | 2.5 | 28.00 | 70.00 |
| Approved customer follow-up | 1.75 | 32.00 | 56.00 |
The time total is 7.5 hours and the amount is 217.00. The last group has a different agreed rate, so merging all 7.5 hours into a single rate would produce the wrong amount. Keep a supporting log that reconciles to each group.
Resolve caps and extra work before billing
If the client authorized up to eight hours, a log showing nine hours does not by itself authorize an extra charge. Check whether the arrangement allows overages, requires approval or prioritizes work within the cap. Record the decision before sending a higher bill.
For monthly packages, identify the package period and included services. If an additional task was separately approved, give it its own row and reference. The retainer billing guide explains how allowances differ from prepaid balances; neither should be invented from a single number labeled “retainer.”
Keep sensitive task content off the invoice
A task description can explain the service without exposing email contents, customer contact lists, account passwords or private meeting notes. “Appointment coordination, week ending 18 October” is usually more suitable for a billing document than the personal subject of each appointment.
Use a task reference that the client can match to a separately shared log when detail is needed. Check who will receive the invoice: the accounts team may not be authorized to see operational material. The PDF is a portable document, so write it with the possibility of internal forwarding in mind.
Review the package, PDF and external record
- Confirm the billing entity and service period.
- Reconcile quantities and rates with the reviewed log or package agreement.
- Check approved software expenses separately from service charges.
- Review long descriptions and the final balance in the downloaded PDF.
- Save the invoice and update your own issued-and-paid register.
ToolNivo does not import timesheets, track package hours or save an invoice history. Download the document before leaving the page, then send it using the client’s agreed channel. Keep your task log and final invoice together so a later question can be answered precisely.
Frequently asked questions
Should I show every email or calendar change?
Usually a task-group summary plus a separate reviewed log is clearer. Avoid putting confidential operational content into a billing document.
Can I bill a package and hourly extras together?
Yes when the extras were separately chargeable and approved. Identify what the package includes so the client can see that the same work is not billed twice.
Does ToolNivo track how much of a monthly package remains?
No. Maintain that balance in your own records and enter only the reconciled invoice charges.