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How a solo consultant uses a finance agent

Written by a working solo consultant. Updated . Markdown version.

A finance agent drafts invoices from completed work, lists expenses you already recorded, and writes a short summary of the month.

You check the numbers against your own records, and you send the invoice yourself.

The AI agent prepares the page. It does not move money.

What can the finance agent safely draft?

Three outputs are enough. An invoice draft for work you have finished. A list of expenses from receipts or a sheet you keep. A one-page summary: what you billed, what you collected, what is still out.

The inputs are your own figures. A list of engagements, the fee you agreed, the date the work ended, and the expenses with amounts. If a number is not in that list, it does not go on the draft.

How should the monthly summary be shaped?

Keep it to one page. Billed this month. Collected this month. Still outstanding, with the client name and the invoice date. Expenses by a few plain categories you already use.

The summary is for you. It is not a forecast and it is not tax advice. If a line needs an accountant, the draft should say the question, not answer it.

When do you run it?

Invoice drafts happen when a phase ends, not on a vague weekly habit. The month summary happens once, after the month closes, when you have the collections and the expenses in one place.

How do you set up the finance agent?

  1. Fix the invoice fields. Client, work description, fee, date, and payment terms you actually use. Put a sample invoice you have sent into the file.
  2. List live work. Paste engagements that are ready to bill. Include only fees you agreed in writing or on a call you noted.
  3. Paste expenses as a table. Date, vendor, amount, and category. The agent groups them. It does not hunt for receipts you forgot.
  4. Draft one invoice. Compare every figure to your note. Correct the source note if the draft and the memory disagree.
  5. Send from your own tool. Copy the approved draft into the invoicing tool you use. The agent does not send it.
  6. Close the month. After the last collection you expect to record, ask for the one-page summary. Read it against the invoices.

What does a finance routine look like?

Tied to completed work and the month end.
WhenWhat happens
When a phase endsDraft the invoice the same week. Waiting a month makes the description vague.
Mid-monthAdd new expenses to the sheet. Do not wait for the summary to remember them.
Month endDraft the one-page summary from invoices sent, cash collected, and the expense sheet.
After you read itNote one outstanding invoice you will follow up yourself. The sales role can draft that note if you want.

What are the approval rules?

The finance agent may draft from numbers you supply. You check every figure before it leaves your desk. That check is the approval gate.

It may not send an invoice, change a fee, or record a payment in your books. You do that in your own tool.

It may not move money, store a card number, or ask a client for payment details.

It may not invent a tax treatment, a write-off, or a legal conclusion. Those questions go to your accountant or your own judgment.

Outstanding invoices can be listed. Chasing them is a separate note you approve, in your voice.

Common questions

Can it reconcile a bank export?

It can line up rows you paste against the expense sheet and flag ones that do not match. You still decide what a row was. Do not give it login access to the bank.

What if the fee changed mid-project?

Put the current fee in the note, with the date you agreed it. The draft should use that line and no earlier one.

Should the summary include a forecast?

Leave the forecast out until you have a method you trust. A one-page look at billed, collected, and outstanding is the job.

Which playbook covers this?

The full kit includes the finance role, the monthly routine, and the upkeep audit. The free PDF shows the role on the map.

Terms used here

Playbooks for this work

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