7 Signs Your Consulting Firm's Books Are Lying to You
Sam's List Editorial | 2026-06-06
If your bookkeeper's reports make you feel good but your cash position makes you anxious, the reports are wrong.
A Sam's List accounting firm built for acquisition entrepreneurs, multi-location operators, and modern service businesses — cloud bookkeeping, controller support, and fractional CFO work that gives owners clean numbers by service line, location, and entity. View profile →
This is one of the most common patterns in consulting firm financials: a P&L that shows solid profitability and a bank account that tells a different story. The gap is almost always explainable — but it requires looking at the underlying accounting, not just the summary reports.
Most consulting firm owners aren't accountants. They're operators who trust their bookkeeper to give them accurate information and make decisions accordingly. The problem is that generic bookkeeping, applied to a professional services firm without industry-specific knowledge, produces reports that are technically formatted but substantively wrong in ways that compound over time.
Here are seven signs to look for.
1. Revenue Looks Great but Cash Is Always Tight
The classic symptom. If your P&L consistently shows profit but you're always watching the cash balance, the most common cause is WIP recognition timing — recognizing revenue when invoiced rather than when earned.
Here's how it works: you deliver work in March, invoice in April, collect in May. If you recognize revenue when the invoice is sent in April, your April P&L looks good. But you spent money delivering in March, meaning the cost hit before the revenue, and the cash didn't arrive until May. Multiply this timing mismatch across 10-20 active engagements and you have a firm that looks profitable on paper while constantly running short on cash.
The fix is recognizing revenue when performance obligations are met — when the work is done, not when the invoice is sent. It requires tracking WIP accurately and making sure your bookkeeper understands the difference between earned and billed revenue.
2. Gross Margin Is Above 70% Every Month, Without Fail
Consistently high gross margin in a consulting firm usually means contractor costs are being booked below the gross profit line.
If your firm uses subcontractors to deliver client work and those costs are sitting in a general operating expense category rather than in COGS, your gross margin is overstated. A consulting firm reporting 72% gross margin but with $200,000/year in contractor costs booked below the line actually has a gross margin closer to 50-55%.
That difference matters for every decision you make. Pricing, hiring, service line expansion — all of these hinge on understanding what your delivery costs actually are. If your gross margin looks impressive but you can't explain exactly what drives it at the service or client level, ask your bookkeeper to walk you through how contractor costs are classified. If they're not in COGS, they should be.
3. Owner Draws Treated as Distributions Rather Than Salary
If the firm owner is doing billable client work and taking money out of the business as distributions rather than payroll, the P&L doesn't reflect the true cost of delivering work.
This is an extremely common setup, especially in S-corps, where owners minimize payroll to reduce self-employment tax. The problem isn't the structure itself — it's that when owner compensation isn't reflected in the financials at a market rate, the P&L can't tell you whether the business is actually profitable without the owner's subsidized labor. You could be running a $600,000 revenue firm that is profitable at a $100,000 owner draw but would be unprofitable if you replaced yourself with a $200,000 employee. That distinction is critical if you're thinking about growth, sale, or exit.
The fix is recording owner compensation — at least notionally — at a market rate for the work performed, even if the actual cash distribution is structured differently for tax purposes. Your management accounts should reflect economic reality.
4. Subcontractor Costs Expensed to a Catch-All Line Rather Than Mapped to Specific Projects
Without project-level cost tracking, you cannot calculate per-engagement margin. Without per-engagement margin, you cannot identify which clients are profitable, which service lines make money, and which engagements you're delivering at a loss.
Most consulting firms that haven't deliberately built project-level accounting have subcontractor and direct delivery costs sitting in a generic "outside services" or "subcontractors" line that's aggregated across all projects. The P&L shows total revenue and total costs, but gives you no visibility into the underlying economics of any individual engagement. You're repricing based on confidence, not data. A firm that tracks project-level margin will almost always find that 20-30% of its revenue comes from engagements that are barely profitable or loss-generating — and that insight alone justifies the accounting infrastructure.
5. Accounts Receivable Aging Shows Nothing Over 90 Days — Because Old Invoices Get Written Off Incorrectly
Some firms' AR aging reports look impossibly clean. No invoice over 90 days, consistently. Not because the firm collects everything, but because old invoices are being directly written off to "other expenses" rather than run through the allowance for doubtful accounts.
The accounting error: direct write-offs overstate revenue in prior periods and understate current-period expenses. The correct approach is an allowance for doubtful accounts — a contra-revenue estimate of what you expect not to collect, maintained on the balance sheet, reconciled against actual write-offs. If your firm doesn't have an allowance account and you have any meaningful history of slow or nonpayment, your historical revenue is likely overstated. This matters most if you're ever presenting financials to a lender, investor, or acquirer.
6. The P&L Shows Profit in November and December, Then a Tax Bill That Doesn't Match
If your annual tax liability consistently surprises you relative to what the P&L showed as net income during the year, there's a gap between book income and taxable income that isn't being tracked or explained.
Common causes include: prepaid expenses that are deducted for tax purposes in the current year but amortized on the books over future periods; year-end bonuses accrued on the books but not paid until January; deferred revenue that's recognized for book purposes but taxable when received. None of these are exotic. But if your bookkeeper is maintaining a simple cash-basis or lightly modified accrual set of books without reconciling them to tax-basis, the "surprise" tax bill is going to keep happening. Ask for a book-to-tax reconciliation at year end before you go to your CPA, not after.
7. Retainer Revenue and Project Revenue Are Blended Into One Line
Retainer revenue recognizes ratably — $5,000/month means $5,000/month, consistently. Project revenue recognizes on completion or percentage of completion, creating lumpiness and timing differences. Blending both into a single "consulting revenue" line makes forecasting unreliable and creates ASC 606 exposure for firms that might go through a transaction.
Separating these isn't complicated. It's a chart of accounts decision. But it produces dramatically better financial intelligence: you can forecast cash flow by separating the predictable retainer base from the variable project pipeline, price retainers versus projects differently with actual margin data, and present financials to potential acquirers or investors in a format that shows business quality rather than obscuring it.
Accurate Books Aren't a Finance Department Luxury
They're the information layer that every real business decision runs on. A consulting firm making pricing decisions, hiring decisions, or exit planning decisions on inaccurate financials is operating with bad inputs — and the compounding effect of that over 3-5 years is substantial.
System Six works with consulting and professional services firms on the financial infrastructure that makes the numbers actually mean something.
General information only, not legal or tax advice. Consult a qualified professional for your specific situation.