Insights · field notes from 74 audits
No thought leadership. Benchmark data, leak patterns and fixes, written from what the audits actually find.
Source: the MarginFix benchmark dataset, 74 published audits.
The report every other guide draws on.
The five leak categories we test for, ranked by average dollar impact. The most common shows up in 68% of the audits.
Read the full guide →
Cristian BragauFounder & Lead Auditor · 17 published cases · Updated Jul 2026
4 guides, one dataset.
Why Meta, Google and GA4 all claim the same sale, and the three checks that reveal your real blended return.
Read the full guide →The independent second opinion playbook: what to check quarterly, what to ask for, and when a leak is nobody's fault.
Read the full guide →CAC payback, email revenue share, retargeting frequency and five more benchmarks, by industry and spend band. Healthy against flagged.
Read the full guide →What 74 audited SMB marketing budgets have in common.
Every guide draws on the same 74 audits across 9 industries: a median 18.7% of marketing spend leaking, inside an 11% to 28% band, and a median highlight finding worth $58k a year. ✓74 cases ✓The benchmark
MarginFix has audited 74 SMB marketing budgets across 9 industries and identified $4.5M+ of recurring annual margin.MarginFix, marginfix.ai/insights/
One fixed fee, 5-7 working days, every finding tied to your own numbers.
Fixed fee. No retainer. NDA first.
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