"How much does a bookkeeper cost?" is usually the first question a small business owner asks — and the honest answer is the one nobody likes to hear: it depends. The good news is that what it depends on isn't a mystery. Once you understand the handful of things that actually drive the price, you can figure out roughly where your business lands and get a real quote in minutes.
Below is a plain-English look at what goes into the cost of bookkeeping for a Montana small business, why flat monthly pricing tends to beat hourly, and what you should expect to get for the money.
Why isn't there one set price?
Bookkeeping isn't a single product — it's a service scaled to your business. A solo contractor with one checking account and forty transactions a month is a very different job from a busy restaurant running payroll, inventory, and three credit cards. Any bookkeeper who quotes you a firm number before learning about your business is guessing, and that guess usually works out badly for one of you.
What factors drive the cost?
A handful of things determine how much work your books actually require each month:
- Monthly transaction volume. More income and expenses means more to record and categorize. This is the single biggest driver.
- Number of accounts to reconcile. Each bank account, credit card, and loan has to be matched to your records every month. Two accounts is quick; seven is not.
- Whether catch-up or cleanup is needed. If your books are months (or years) behind, there's one-time work to get current before ongoing monthly service can run smoothly.
- Payroll. Running payroll, tracking liabilities, and filing the related forms adds complexity.
- Sales tax and inventory. Tracking inventory, jobs, or sales tax across products adds layers most service businesses don't have.
- How often you need reports. Clean monthly financials are standard; weekly cash-flow updates or job-level reporting take more time.
Notice that none of these are about your industry per se — they're about volume and complexity. That's why a quick conversation about how your business actually runs gives a far better estimate than any online price chart.
Hourly or flat monthly — which is better?
Some bookkeepers bill by the hour. The problem with hourly is that it's unpredictable: a messy month costs you more, and you can't budget for it. It also quietly penalizes you for the bookkeeper being slow, and rewards them for taking longer.
A flat monthly fee fixes both problems. You know exactly what you'll pay before the month begins, the number doesn't swing around, and the incentive is on the bookkeeper to be efficient. For most small businesses with a steady, predictable rhythm of transactions, flat monthly pricing is both easier to budget and usually the better value over the course of a year.
What's typically included in a monthly engagement?
A flat monthly bookkeeping engagement generally covers the ongoing work that keeps you tax-ready year round:
- Recording and categorizing all income and expenses
- Reconciling your bank and credit card accounts each month
- Keeping accounts payable and receivable current
- Producing monthly financial reports — profit & loss, balance sheet, cash flow
- Being available for questions instead of disappearing until tax season
The exact scope is what determines the fee, which is why it's set after looking at your actual books rather than pulled from thin air.
What does it cost to NOT have a bookkeeper?
The price of bookkeeping is easy to see. The cost of skipping it is hidden until it hurts:
- Missed deductions because expenses weren't tracked or categorized correctly
- Late or forgotten invoices, which means money you earned sitting uncollected
- The annual tax-time scramble, where a year of mess gets untangled at the worst possible moment — often for a premium
- Bad decisions made from numbers you don't trust, because you can't see your real margins or cash position
For a lot of owners, the hours spent fighting their own books — and the opportunities lost while doing it — quietly cost more than hiring help would have.
How AJM Consulting prices it
AJM Consulting scopes a flat monthly fee after a free consultation. We look at your transaction volume, the accounts that need reconciling, whether any catch-up work is required, and what reporting you actually need — then we quote a single, predictable number so you know the price up front. No hourly surprises, no padded invoices, no guessing.
If you're trying to figure out what bookkeeping should cost for your Montana business, the fastest path to a real answer is a quick conversation. Book a free consultation and we'll give you an honest scope and a flat monthly price tailored to your books — not a chart.