| Office Rent |
Fixed |
Include $5,000 per month in baseline overhead from Month 1 through Month 60. |
Allocating rent per audit and making margins look too low on early jobs. |
| Professional Insurance |
Fixed |
Include $1,500 per month as required overhead before any audit revenue. |
Leaving insurance below the line even though it must be covered before break-even. |
| Cloud Computing & Data Infrastructure |
Variable |
Apply 8% of revenue in the first year, falling to 4% by the mature year. |
Treating compute as fixed when model tests, data runs, and retesting rise with audit volume. |
| Specialized Data Tool Licenses |
Variable |
Apply 4% of revenue in the first year, falling to 2% by the mature year. |
Using one flat license line and missing per-project tool usage tied to delivery. |
| Sales Commissions & Performance Bonuses |
Variable |
Apply 7% of revenue in the first year, declining to 5% by the mature year. |
Counting commissions as overhead instead of reducing contribution margin on each sale. |
| Project-Specific Legal & Compliance |
Variable |
Apply 5% of revenue in the first year, declining to 3% by the mature year. |
Budgeting legal review as fixed when enterprise audits need more documentation and review. |
| Senior AI Auditor / Compliance Expert |
Semi-variable |
Model the $150,000 annual salary as base capacity, then add reviewer labor as audit load grows. |
Treating expert hours, rework, and quality assurance as fixed when they rise with volume. |
| R&D Platform Hosting (Core) |
Semi-fixed |
Start with $1,200 per month, then step it up when larger enterprise delivery needs more platform capacity. |
Assuming core tooling stays flat while client complexity and compliance support expand. |