How to Write a Bookkeeping Proposal: What to Include

Most bookkeeping proposals lose the job in the same two places. The scope is vague, and the price shows up without context. The prospect reads "monthly bookkeeping, $650/month," has nothing to measure it against, and goes back to the two other quotes in their inbox.

A proposal that wins does three jobs. It proves you understood the problem, it defines the work precisely enough that nobody argues about it in month four, and it gives the client a choice of service level rather than a yes-or-no decision on a single number.

This article walks through each section with the wording to use, so you can build your firm's own version rather than adapting something generic.

Proposal vs. engagement letter: keep them separate

This trips up a lot of solo bookkeepers and small firms. The two documents do different jobs and should be written differently.

The proposal is a sales document. It exists to help a prospect say yes. Short, written in their language, focused on outcomes.

The engagement letter is the contract. It defines scope in precise terms, allocates responsibility between you and the client, sets limitations on your work, and covers fees, termination, and how disputes get handled.

Send them together if you like. Many firms attach the engagement terms to the proposal and capture both with one signature. What you should not do is write a friendly two-page proposal, get it signed, and treat that as your contract. When a client later insists that reconciling their Amazon settlement reports was "obviously included," the engagement letter is the document that answers the question. A proposal is not built to carry that weight.

The eight sections

1. Their situation, in one paragraph

Open by restating the problem in your own words. Two years of unreconciled books. A bookkeeper who left in March. A lender asking for financials by the end of the quarter.

This does more work than any credentials section, because it proves you listened on the discovery call. Sample opening:

You're currently three months behind on reconciliations across four accounts, and your CPA has flagged that last year's books will need adjusting before the return can be filed. You want monthly financials you can actually use for pricing decisions, delivered on a predictable date.

2. Scope of services, with frequency

Not "bookkeeping." Line items with a cadence attached:

• Categorize and reconcile transactions across 3 bank accounts and 2 credit cards, monthly
• Accounts payable entry and vendor management, weekly
• Payroll journal entries from your payroll provider, semi-monthly
• Sales tax return preparation and filing, quarterly, 2 states
• Financial statements (P&L, balance sheet, statement of cash flows) delivered by the 15th of the following month

3. What is not included

Give this its own heading. It is the single highest-value paragraph in the document and almost every proposal skips it.

Not included in this engagement: income tax return preparation or filing, cleanup of periods before January 1, inventory counts or valuation, audit or review support, CFO or advisory work, and payroll processing. Any of these can be quoted separately.

That list prevents most scope disputes before they start, and it makes the price defensible, because the client can see the boundary they're paying up to.

4. What you need from the client

Proposals that skip this create the "we're four weeks behind and it's your fault" conversation in month two. Spell out the client's side:

To hold the monthly close date we need read-only bank feed access for all accounts, receipts and bills uploaded to the shared folder by the 5th, and a named contact who can answer categorization questions within two business days.

5. Timeline and onboarding

A start date, a cleanup window if one is needed, and the date of the first monthly close. Prospects care about when the pain stops, and a specific date is more persuasive than any promise about quality.

6. Pricing, in two or three tiers

A single price invites a yes-or-no decision. Tiers invite a which one decision, which is a much better conversation to be in.

Price on the value and the transaction volume, not your hours. Mark the middle tier as your recommendation, because most clients pick the one that looks like the default.

Quote cleanup as a separate one-time project. Folding it into the recurring fee makes your monthly number look uncompetitive against firms that split it out.

7. Fees, billing, and price review

State the monthly amount, the billing date, the payment method, and how out-of-scope work gets handled, usually a change order or a stated hourly rate. Include a price review clause:

Fees are reviewed annually each January and adjusted for changes in transaction volume, account count, and scope. We will notify you at least 30 days before any change takes effect.

Firms that leave this out end up carrying 2019 pricing into 2026 and resenting the client for it.

8. Acceptance

One signature block, one clear next step. Every extra step between "yes" and a signed document loses a share of deals. Electronic signature with payment authorization captured at the same time is the current standard.

Four things that lose proposals

• Sending it days later. Send within 24 hours of the discovery call, while the problem still feels urgent to them.
• Leading with your firm. The first thing on the page should be their situation, not your founding date or a wall of software badges.
• Twelve pages. If it needs an appendix, the scope isn't clear enough yet. Two to four pages is the working range.
• Hourly-only pricing. It caps your revenue, penalizes you for getting faster, and hands the client an open-ended number they cannot budget against.

Frequently asked questions