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Tools · monthly cost calculator

What will monthly bookkeeping cost? An honest band, from published pricing.

Four inputs — transaction volume, accounts, payroll, and the extra lanes — placed inside our published $450–$1,500 monthly range. Never a single figure, never a market average, and the scoring is printed below the calculator so nothing is a black box.

Runs in your browser; nothing you enter leaves the page. The fee it estimates buys a reconciled monthly close — every account proven, reports by the 10th.

Published range only Scoring printed below

What the fee scales with — and doesn't

Accounts = reconciliations

Each account is proven to its statement every month — the core of what the fee guarantees.

Volume & liability lanes

Transactions size the monthly pass; payroll and sales-tax lanes add prove-it accounts tied to filings.

Not your revenue

The work scales with activity, not income — pricing by revenue charges you for succeeding.

The calculator

Four inputs, one honest band.

1 · Monthly transaction volume, roughly?

2 · How many accounts (bank, cards, loans, processors)?

3 · Payroll support in scope?
4 · Sales-tax tracking or industry lanes (POS, job costing, per-property)?

The band becomes one fixed monthly number in writing after the free review — sometimes at the $450 floor, always before work starts, never hourly.

Free books assessment

The math, in the open

Exactly how your inputs place the band.

Each answer scores points, the total picks a band, and every band sits inside the published $450–$1,500 monthly range.

DriverPointsWhy it moves the fee
Transaction volumeLight = 0 · Moderate = 1 · Heavy = 2Sizes the categorization and matching pass inside every month.
Accounts1–2 = 0 · 3–5 = 1 · 6+ = 2Every account is its own monthly reconciliation — the proof the fee guarantees.
Payroll supportYes = +1Liability accounts tied to filings each cycle — prove-it standard, other parties involved.
Sales-tax / industry lanesYes = +1POS tie-outs, job costing, per-property books — the lanes that make reports mean something.

The bands: 0–1 points → $450–$700/mo · 2–3 points → $650–$1,000/mo · 4+ points → $950–$1,500/mo. All three live inside the published range on the pricing page, and what the fee buys is the reconciled monthly close. Two honest notes: if your books first need repair, that's a one-time job with its own estimator (not sure which you need? the scope quiz sorts it) — and the wider market's three pricing models, with real dated figures, are in the bookkeeper cost guide, including where cheaper models genuinely win.

Calculator FAQ · Updated July 2026

Direct answers about the estimate.

From our own published pricing and nowhere else: monthly bookkeeping at Westgate runs from $450, typically $450–$1,500, scoped to the file — the same figures our pricing page carries, dated and standing. The calculator's only job is placing your four inputs inside that band. It quotes no market averages, no competitor rates, and nothing our own pages don't already publish, because a calculator that invents numbers is a lead trap with arithmetic on top.
Because they're what the monthly work actually scales with. Every account is its own reconciliation each month — the proof step the fee exists to guarantee — so more accounts means more monthly proving. Transaction volume sizes the categorization and matching pass inside each account. Payroll support and sales-tax lanes add liability accounts that get tied to filings, where the standard is prove-it rather than approximately-right. What doesn't drive our fee: your revenue (a common industry practice we think prices the wrong thing — the work scales with activity, not income).
Then two honest numbers exist, and this calculator only shows one of them. Monthly service maintains books that are current and correct; if yours are behind or drifted, a one-time repair comes first — that's the books-repair estimator's territory, with its own published $1,500–$5,000 band — and the monthly rhythm starts on repaired books. Not sure which side you're on? The scope quiz sorts it in five questions, and the free review sorts it definitively on your actual file.
No — it's calibration, deliberately. The fixed number comes in writing after the free review, and it can land below the calculator's band: a genuinely simple file at the from-$450 floor is common, and the review will also say honestly when what you need is less than full-service monthly work. What never happens: an hourly meter, a number that moves after work starts, or a fee that quietly grows with your revenue. One figure, in writing, before anything begins — the calculator just gets you to that conversation calibrated.
We can't — by design, there's no channel for it. The four answers exist only in your browser tab and vanish when you leave; there's no form submission behind the button, no storage, and no way for us to connect a result to a person. The whole of what we learn is an aggregate count of which bands get shown, which tells us whether the calculator deserves its place on the site. If you want us to know your situation, that's what booking the free review is — and it's a choice you make, not a default you'd have to find and untick.

Ready for the band to become one fixed number? The free assessment — a senior operator, your real file, one business day. All tools: the tools hub →

Keep reading

The pricing picture, in depth.

How much does a bookkeeper cost?

The three pricing models — hourly, app-based, fixed-fee operator — with real dated figures and the cleanup math that makes cheap expensive.

Keep reading

The cleanup scope quiz

If the books need repair before a monthly fee makes sense — five questions sort which job yours is.

Run the quiz
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