Seat true-ups were under-billed as accounts grew.
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Subscription · B2B software

Seat true-ups were under-billed as accounts grew.

This marketing & margin audit surfaced $63k in recurring annual margin in a Subscription business — evidenced, senior-reviewed, and delivered in 6 days.

$3–8M annual revenue B2B software Focus: Seat true-ups
+$63k
margin recovered / yr
+6pts
billed-seat accuracy
6 days
to findings
Active users actually being billed
Before audit
93%
After fix
99%

The business

A B2B software company sold by seat and expected accounts to true up their license counts as teams grew. Expansion was a core part of the model, and because revenue was rising and customers were happy, the process for reconciling actual active users against contracted seats had been left largely to good faith and periodic manual checks.

What triggered the audit

Net revenue expansion lagged the visible seat growth inside customer accounts, a gap pointing at billing rather than adoption. The audit reconciled active-user counts against contracted and billed seats across the base, testing whether account growth was actually being captured in what customers were charged.

What the audit found

The business was under-billing expansion because seat true-ups lagged reality. Growing customers were adding active users steadily, but the contracts were only trued up occasionally and manually, so at any given time a significant number of accounts had more people actively using the software than they were paying for. The gap wasn’t disputed or resisted — customers fully expected to pay for the seats they used — it simply went uncaptured because no systematic reconciliation existed and expansion relied on good faith. Because top-line revenue was growing, the missed seats were invisible against the overall trend. Reconciled across the base, the lagging true-ups represented roughly $63k a year of expansion revenue the company had earned but never billed.

How we produced this finding

The seat true-ups finding came from reconciling the subscription ledger line by line against what was actually delivered, billed and paid. It’s no estimate but a reconciled figure a named senior auditor traced back to source and signed off before you see a single number.

Data sources: Contracts, invoices, billing records and delivery or fulfillment logs — reconciled against each other, so the exact gap behind seat true-ups is traced to the specific line driving it rather than estimated from the top down.

Key frameworks: Line-by-line ledger and contract reconciliation, unit-economics and cost-to-serve analysis, framed by Forrester Total Economic Impact (TEI) for evidenced business value, cost and risk.

Human validation gate: Every reconciled figure is checked against your own records and signed off by a named senior auditor before it ships — nothing is reported without a human tracing it to source.

Verified against
Subscription billing Cohort retention data Dunning / churn logs Finance P&L

The margin recovered / yr was measured like-for-like over a matched period, reconciled to recognized revenue in the ledger, and signed off by a named senior auditor before publication. Client identity redacted to protect their commercial position.

WORKING PAPER ████████ B2B software
Representative Redacted
Seat typeSeats billed
Contracted seats
100%
Expansion seats
98%
Un-trued-up growth seats
93%
margin recovered / yr +$63,090
Recurring — recovered every year the fix holds, not a one-off.
Working paper: active users actually being billed traced line by line and reconciled to recognized revenue in the ledger over a matched period. Line items representative and redacted; the recovered figure is the reconciled audit finding.

What we changed

Automated seat reconciliation, comparing active users against contracted seats continuously rather than relying on occasional manual checks that always lagged reality.

Triggered true-up billing as accounts cross their seat thresholds, so expansion is captured when it actually happens rather than quarters later.

Made the process transparent to customers, framing true-ups as simply paying for the seats already in use rather than an unexpected charge.

Instrumented seat accuracy as a monitored metric, so under-billing can’t quietly accumulate across a growing base again.

The result

$63k a year of earned expansion revenue recovered — an 11× return on the $5,950 Audit + Sprint fee — with no pushback, since customers expected to pay for seats they were already using. For any seat-based business, the leak is invisible against growth: manual true-ups lag reality, so a growing base quietly runs under-billed. If you don’t reconcile active users to contracted seats continuously, you’re likely leaving expansion revenue on the table. A fixed-fee audit reconciles it in days and automates the capture for good.

From kickoff to signed-off findings: 6 days — inside our fixed 5–7 day window.

Reviewed & signed off by:
MarginFix Audit Team
Senior Auditor · MarginFix · 10+ years of auditing experience
Anonymized to protect the client · senior-reviewed findings · Last reviewed
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