Most staffing firms find billing errors the same way: the client finds them.
A quiet inbox can mean the invoices are right or that the errors favor the client. Most firms can only spot-check a fraction of invoices before they ship.
CREDIT NOTES SHOW THE FAILURES. NOT THE LEAKS.
Underbilling produces no credit note at all. Overtime gets paid, and the client never sees the bill — pure margin loss, caught only by cross-checking time and payroll against invoices. That's why billing accuracy has to be checked at the source, not inferred from complaints.
80%
of credit notes correct amounts were too high
20%
re-issue the same amount to fix cost-center errors
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MAKE YOUR BILLINGS BUFF.
Experience faster payroll, faster billing, a shorter work-to-cash cycle.
Recover underbilling, unbilled hours, missed rate changes, wrong multipliers
Cut credit notes and client-found errors
Cleaner invoices, faster payment, cleaner renewals
2-5%
of annual revenue recovered — modeled against your own data.
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FOUR WORKSTREAMS, ONE CRITICAL PROCESS. START ANYWHERE.
Address any point in the process, or fix all four, to protect margin from end-to-end.
It reads the governing sources themselves: contracts, amendments, rate cards, order forms, even a side deal memorialized only in an email and extracts the full rule structure: markup tiers, tenure adjustments, conversion-fee schedules, expense pass-throughs, exceptions agreed upon with the client, etc. Your team's own tribal knowledge gets encoded too, with an owner and a source. Contractual terms that become outdated are automatically flagged when a new rule supersedes it via an amendment.
ATS rules are conditional logic your team keyed in: they can't read a contract provision, can't detect an amendment that was never re-keyed, and can't untangle overlapping rules. Worse, an error made at data entry becomes the baseline the system validates against: it sees what's inconsistent with itself, not what's wrong against the contract.
Markup tiers that shift as overtime crosses a boundary, tenure discounts that change mid-invoice, cost-center and project-code splits (a top cause of invoice rejection), PO-balance limits, and amendment propagation — so a negotiated rate change doesn't leave the old rate live for months.
AR tools accelerate collection on invoices that already exist. Getting paid faster on a wrong invoice just industrializes disputes. Hercules fixes the invoice before it exists root cause, not symptom.
Manual spot-checks typically cover about 3% of invoices before they ship. Hercules validates 100% of lines pre-invoice, a 33× leverage gain, without adding headcount.
Underbilling is silent — no client calls to say they were undercharged. Hercules catches it at the source, including paid-but-never-billed hours found by cross-checking payroll against invoices.
Yes. Hercules reconciles firm-generated invoices against VMS self-billed amounts, so the two versions of the truth can't quietly diverge.
