Price three tiers by scope and review time, not by report count: a base tier with a monthly management pack and one review call, a middle tier adding a rolling cash forecast and KPI commentary, and a top tier with scenarios and board-ready slides. Cost each tier from analyst prep, partner review, tooling and margin.
AI changes the preparation line in that costing and almost nothing else. It drafts commentary and formats packs quickly, but a person still has to tie the numbers to the ledger, check the explanations and talk to the client. That is the work you are selling, so price it directly. The sums below use illustrative figures; replace them with your own cost per hour.
What public price guides say, and why clients will quote them to you
Clients search before they call, and what they find is a wide spread. Uku's pricing guide for accounting firms puts a virtual CFO at $1,500 to $5,000 a month, KPI dashboards and reporting at $300 to $800 a month plus a set-up fee of $500 to $2,000, and cash flow forecasting at $500 to $1,500 a month. A fractional CFO firm's guide, Eightx, prices early-stage clients under $5M of revenue at $3,000 to $5,000 and clients between $5M and $30M at $5,000 to $10,000, with a 10 to 15 page monthly report in its ongoing service and a 13-week cash flow forecast in its first-90-day sprint; elsewhere on the same page it gives different figures for the same revenue bands.
Both guides come from firms selling the service, give no sample sizes, and disagree by a factor of two or more. They are not benchmarks; they are the reference frame in the client's head. Use them to check that your tiers are not absurdly far from what a client may have seen, then price from your own costs. In the example below, Tier 1 at $1,250 sits under the low end of Uku's range, Tier 2 at $2,400 inside it, and Tier 3 at $4,200 near the top of it. You can explain each position, and that is what a client needs to hear.
Three tiers built from review time
Start from the hours, not the price. The example is an advisory firm where an analyst costs $45 an hour fully loaded and a partner or manager costs $110, and where a reporting tool plus a share of an AI seat adds $64 to $79 a month per client. For each tier, estimate the analyst's preparation hours with AI help, the partner's review and call hours, and the tooling. Then work out a floor: the price at which the tier earns a 60% gross margin, which is cost divided by 0.4.
| Tier 1: Monthly Pack | Tier 2: Pack plus Forecast | Tier 3: Pack plus Planning | |
|---|---|---|---|
| Analyst prep, with AI | 2.0 h ($90) | 4.0 h ($180) | 6.5 h ($292.50) |
| Partner review and calls | 1.75 h ($192.50) | 3.5 h ($385) | 8.0 h ($880) |
| Tooling and AI share | $64 | $69 | $79 |
| Total cost a month | $346.50 | $634 | $1,251.50 |
| Floor at 60% gross margin | $866 | $1,585 | $3,129 |
| Price set | $1,250 | $2,400 | $4,200 |
| Gross margin at that price | 72% | 74% | 70% |
Tier 1 is the management pack and one 45-minute review call. Tier 2 adds a 13-week cash flow forecast updated fortnightly, budget-against-actual commentary, ageing commentary on debtors and creditors, and a second call. Tier 3 adds a rolling 12-month forecast with three scenarios, a board or lender pack, a quarterly planning session and up to three hours a month of ad hoc access. The price set is not the floor. The floor tells you what is unsafe; the price comes from the client's alternatives and the value of the service, and the gap between the two is a cushion for rework, questions and the months that go badly.
The partner line is the biggest cost in every tier, which is the first lesson. Partner review runs from 56% to 70% of direct cost, and review is the part AI does least to shorten. The related tutorial on monthly KPI packs and client briefings for fractional CFOs shows how the preparation side of the pack is built.

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What does AI-prepared reporting save? Suppose the same analyst preparation would take 4.5, 7.5 and 12 hours without AI. The saving in analyst time is 2.5, 3.5 and 5.5 hours, worth $112.50, $157.50 and $247.50 a month at $45 an hour. Set against the prices, that is a small slice.
| Tier | Saving in analyst time | As a share of the price | Floor without AI |
|---|---|---|---|
| Tier 1 | $112.50 | 9.0% | $1,148 |
| Tier 2 | $157.50 | 6.6% | $1,979 |
| Tier 3 | $247.50 | 5.9% | $3,748 |
Even if you handed the entire saving to clients as a price cut, you would cut each tier by 6% to 9%. Nobody builds a price list from a 6% effect. It also shows why a client who says "AI makes this cheap" is arguing about the wrong line: the part that got cheaper is the smaller part. Your options are to keep the price and take the margin, to keep the price and add scope such as an extra scenario or a faster delivery date, or to cut the price to win a contested client. The first two are the safer choices, and the tutorial on turning hours saved by AI into advisory work clients pay for argues for the second.
What goes in each report, and who signs it
A tier is a promise about specific documents, so name them. For each report, say what AI does, what a person checks and when it arrives. This is the pack for the illustrative firm, with delivery counted in working days after the books close.
| Report | Tiers | What AI drafts | What a person checks | Delivered |
|---|---|---|---|---|
| Management pack: profit and loss, balance sheet, cash summary | 1, 2, 3 | Plain-English commentary and chart layout | Ties to the ledger; unusual balances explained | Day 6 |
| KPI sheet (6 measures in Tier 1, 12 in Tier 2, custom in Tier 3) | 1, 2, 3 | Movement notes | Definitions are applied the same way each month | Day 6 |
| Budget-against-actual commentary | 2, 3 | Variance wording from the table | Causes confirmed with the client; sums foot | Day 7 |
| 13-week cash flow forecast | 2, 3 | Assumption lists; flags for missing items | Assumptions owned by the partner; checked against the bank | Fortnightly |
| Debtor and creditor ageing commentary | 2, 3 | Summary of the largest overdue items | Whether chasing is already under way | Day 7 |
| Rolling 12-month forecast, three scenarios | 3 | Scenario descriptions and sensitivity tables | Drivers, timing and anything that breaks a lender condition | Quarterly refresh |
| Board or lender pack | 3 | Slide layout and first-draft narrative | Every figure and every claim before it goes out | Day 8 |
The Day column is a promise you can keep only if the books close on time, so write a dependency into the contract: the client's bank feeds are reconciled and receipts are in by working day 3. Without that line, a late client turns your delivery into a missed deadline, and a missed deadline into a fee discussion. For a general walk-through of automating the pack itself, see how to automate monthly management reports with AI.
A variance prompt, and the check that catches its slip
Commentary is where AI helps most and where a quiet error does most damage. Give it the table, give it the causes you know, and forbid it to invent any others. A prompt that works:
You are drafting the commentary for a monthly management pack. Use only the numbers in the table. Do not state a cause unless it is listed under Known causes; otherwise write "cause to confirm with client". Under 120 words, plain English, no jargon.
Table, current month against budget ($): Revenue 182,400 vs 190,000; Materials 61,300 vs 57,000; Wages 58,900 vs 59,500; Fuel and vehicles 9,800 vs 8,200; Overheads 21,500 vs 21,000; Operating profit 30,900 vs 44,300.
Known causes: the revenue shortfall is two jobs moved into next month.
An illustrative reply, with a slip of the kind that happens:
Revenue was $182,400, $7,600 (4.0%) below budget, because two jobs moved into next month. Costs ran $6,400 over budget, driven by materials (+$4,300, 7.5%) and fuel and vehicles (+$1,600, 19.5%); cause to confirm with client. Operating profit was $30,900 against a budget of $44,300, a shortfall of $13,400 (30.2%).
The wording is fine. The sums don't foot: $7,600 of lost revenue plus $6,400 of extra cost is $14,000, not $13,400. The draft left out the $600 wages saving, so the true cost overrun is $5,800 (materials +$4,300, fuel +$1,600, overheads +$500, wages -$600). A reviewer who foots every commentary against the table catches this in under a minute; a reviewer who reads for tone doesn't. Put the footing check at the top of the partner's review list, and note that it takes a minute and protects a $2,400 fee.
The order of the partner's review
Review is the line you can't discount, so make it a routine instead of a mood. This is a first-pass order that takes about 12 minutes on a clean pack and expands whenever something doesn't tie.
- Foot the commentary to the table (1 minute). Add the variances in the text and compare with the totals, as in the example above.
- Tie the pack to the ledger (3 minutes). Cash to the bank, receivables and payables to their control accounts, and nothing left in suspense.
- Test the three largest movements (3 minutes). Does each have a cause that someone has confirmed, not only one the draft supplied?
- Read the forecast against the bank (3 minutes). Do the first four weeks match what actually cleared in the last four?
- Read the one-page summary as the client would (2 minutes). If it needs a footnote to avoid a wrong impression, rewrite it.
A pack that fails step two goes back to the analyst, not forward to the client, and the failure is logged. Log how often steps one and two catch something over a quarter. If it is rare, the AI-assisted process is working; if it is weekly, your preparation checks are too thin and the "saved" analyst hours are being spent by the partner instead. The accountants' AI risk checklist lists named error points that map onto these steps.
Tool costs per client
The tooling line in the tier table is small, but it should be real. Here are list prices for the kinds of tools such a service uses, as shown on the vendors' pages in early November 2026.
| Tool | List price | What it contributes |
|---|---|---|
| Fathom Pro | From $59 a month for one company; priced by the number of companies connected | Branded management reports, three-way cash flow forecasting, budgets and scenarios, custom KPIs and an AI commentary writer |
| ChatGPT Business, standard seat | $20 a month on annual billing, $25 monthly; two seats minimum | Drafting and analysis; business data isn't used for training by default |
| Claude Team, standard seat | $20 a month on annual billing, $25 monthly; two seats minimum | The same role; commercial data isn't used for training by default |
| QuickBooks Online Advanced | $340 a month list (the client's cost) | Intuit lists AI-generated summaries of management reports on this plan only |
Fathom's page prices by the number of companies, so the per-client figure falls as your client list grows: at 25 companies it shows $450 a month, or $18 a company; use its calculator for your own number, and treat $59 as the one-company ceiling. Share an AI seat across clients: a $25 seat spread over ten clients is $2.50 each, so I rounded to $5 for Tier 1 and went higher for heavier tiers. If a client's own system already generates commentary, as QuickBooks Advanced does, your value shifts from writing the text to checking it and explaining the numbers, which is a better thing to be paid for.
Add-ons, overage and a cap on ad hoc access
Everything outside the tier needs a price before the client asks for it. Derive each one from cost, using a partner rate of $275 an hour (cost of $110 divided by 0.4) and an analyst rate of $110. Round to something easy to quote.
| Add-on | Hours behind it | Derived cost to the client | Quote |
|---|---|---|---|
| Onboarding set-up: chart mapping, KPI definitions, first pack | 6 analyst, 1.5 partner | $1,072 | $1,100 once |
| Extra scenario in a forecast | 1.5 analyst, 0.5 partner | $302 | $300 each |
| Lender or investor pack, one-off | 6 analyst, 4 partner | $1,760 | $1,750 |
| Ad hoc advice beyond the tier | Partner time | $275 an hour | Billed in 15-minute units |
The ad hoc line is where margin leaks. Suppose a Tier 2 client with no cap on access phones whenever they are worried and uses nine extra partner hours in a month. Your cost rises from $634 to $1,624 and the gross margin on a $2,400 fee falls from 74% to 32%. Capping access fixes it: Tier 2 includes its two calls and nothing more, Tier 3 includes three hours, and anything beyond that is billed at $275. The crossover is useful to the client too. Tier 2 plus x extra hours costs the same as Tier 3 at about 6.5 hours, so beyond that point the bigger tier is the better deal, and you can say so honestly.
Matching tiers to three kinds of client
A tier list is easier to sell when each tier has a recognisable client. These sketches are illustrations, not rules, and they show tiering by complexity rather than by revenue alone.
- An independent bookshop with around $900,000 of revenue, one site and no lender needs a clean monthly picture and one conversation. Tier 1 at $1,250 a month is $15,000 a year. Seasonal cash is the exception: a bookshop whose year turns on the last quarter may want a short Tier 2 upgrade from September to December, for the cash forecast, then a step back down.
- A landscaping company with $2.4 million of revenue, seasonal cash swings and vehicle finance is the classic Tier 2 client. The fortnightly 13-week forecast is what it is paying for, because the risk is a slow spring with the finance payments still due. Tier 2 at $2,400 is $28,800 a year, which the owner can weigh against the cost of being caught short in a slow spring.
- A removals firm with $6 million of revenue, a fleet on lease, two depots and a bank that sets conditions needs Tier 3. The scenario forecast tells the owner whether a lost contract breaks a lender condition, and the lender pack saves a day of scrambling when the bank asks for figures. At $4,200 it is $50,400 a year, and a partner owns the relationship.
Notice what drives each choice: seasonality, lender conditions and the number of sites, not turnover. When a prospect asks for a price, ask three questions before you quote: who else needs to see these numbers (bank, investors, board), how quickly does cash swing, and how many entities or locations are involved. The answers place a client in a tier more reliably than revenue does. Where a client also wants the bookkeeping done, pricing AI bookkeeping as a service line covers that side, and the two should be quoted separately so each can be reviewed on its own.
Wording for the engagement letter
Put the scope, the dependencies and the AI statement in the engagement letter, so a client can't be surprised by any of them. This wording is a starting point for your own adviser or insurer to review, not legal advice.
Scope: the Tier 2 service comprises the monthly management pack, budget-against-actual commentary, a 13-week cash flow forecast updated fortnightly, debtor and creditor commentary and two review calls a month. No ad hoc advice is included beyond the two calls; further time is billed at $275 an hour in 15-minute units.
Dependencies: reports are delivered by working day 7 provided bank feeds are reconciled and supporting documents are supplied by working day 3.
Preparation: reports are prepared using software that includes AI-assisted drafting. Every figure is reconciled to the accounting records and reviewed by a named partner before release. The client remains responsible for the accuracy of the information supplied.
Changes: scope changes take effect from the next month on 30 days' notice. Fees are reviewed once a year.
Three clauses carry most of the weight. The dependency line protects your delivery dates. The "named partner" line tells the client that a person with accountability reads the numbers, which matters more to a nervous owner than any detail about the tools. The scope line, with its stated limit on ad hoc time, is what stops the unlimited-phone-calls problem from arriving in month three.
Check the tiers after a quarter
Prices set from estimates need a real test. After three months, compare actual hours for each client with the hours in the table, and recompute the margin. If prep is running at 3.5 hours for a Tier 1 client against 2.0 estimated, find out why: a messy chart of accounts, a late client, or an AI prompt that needs a better template. If review is running over, the pack is failing step two, and the cure is in the preparation, not the price. Move a client up a tier when their usage says so, and be ready to explain it with their own hours.
Keep the first quarter's numbers. By the second quarter you will have a cost per hour you trust, a tier table that reflects how your firm works, and a defensible answer when a prospect shows you a cheaper guide from a seller you have never heard of.
Questions firm owners ask when they price a CFO service
Should I bill a virtual CFO service hourly instead?
Hourly billing makes sense for one-off projects and overage. For the monthly service, a tiered fee works better, because clients want a predictable cost and the review time you sell doesn't shrink when AI speeds up the report. Keep an hourly rate for add-ons, and state it in the engagement letter.
How many clients can one reviewer handle?
Count review hours, not clients. If the reviewer has about 96 client hours a month and a middle-tier client takes 3.5 reviewer hours, the arithmetic says 27 clients, but plan on 70% of that to leave room for add-ons and overruns. Measure your own hours for a quarter before you promise capacity.
Do I have to tell clients that AI prepared the reports?
Say so in the engagement letter in plain words: reports are prepared with software including AI-assisted drafting, and every figure is reconciled to the ledger and reviewed by a named person before release. Check your professional body's guidance and your insurer's terms on AI use in client deliverables.
Should the price rise with the client's revenue?
Let complexity drive it more than revenue: number of entities, locations, lenders and forecast scenarios. Revenue is a rough proxy, and published guides group clients by it, but a simple company with high turnover can need less review than a small one with a lender and three sites. Tier by scope, then check the result against revenue.
Further reads
- Consulting Pricing Models After AI: Fixed Fee, Retainer or Value? — Fixed fee, retainer or value pricing after AI.
- Consulting Utilisation Rate: Track It Weekly and Price Projects With AI — Tracking utilisation to price projects with AI.
- How Much Does AI Cost a Small Accounting Firm? — What AI tooling costs a small accounting firm.
- Hire an AI Consultant for an Accounting Firm: Scope, Cost, Red Flags — Scope and cost when a firm brings in outside help.
- AI Tools and AI Development: The Complete 2026 Guide — the AI hub, including every tutorial in the AI-for-business series.
Sources: Fathom pricing page and Intuit help pages (read 1 November 2026); published advisory pricing guides from Uku and Eightx, used only as ranges; ChatGPT Business and Claude Team pricing pages.