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Root Cause Analysis Consulting Break-Even: $89K/Month

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The break-even revenue is about $892k per month in the first year Here’s the quick math: fixed monthly costs of $633k divided by a 71% contribution margin equals $892k At Year 1 revenue of $948k, average monthly revenue is $790k, so the launch runs below monthly break-even before the ramp catches up The model reaches break-even in Month 9, with minimum cash need of $527k in Month 9



Fixed costs $58.3K Monthly base cost
Contribution margin 71% After variable spend
Break-even revenue $82.1K Needed monthly sales
Break-even timing Month 9 Ramp point

Break-even calculator

Test monthly revenue against variable expenses and fixed costs to see when the consulting model breaks even.

Money available to cover fixed costs $187,750 $250,333 revenue - $62,583 variable expenses
Margin ratio
75%
Covers fixed costs
Yes
Break-even chart Revenue Total costs
Plan Break-even $0 $0

Which expenses are fixed and which move with sales in a root cause analysis consulting firm?

Cost classification

Break-even only works if delivery costs and overhead stay in their lanes. Misclassifying payroll or project costs can make Month 9 break-even look safer than it is.

Expense Cost Break-Even Treatment Common Mistake
Managing Principal salary Fixed Use $185,000 per year as fixed overhead unless pay is directly tied to billable contractor work. Treating leadership time as free delivery capacity.
Senior Strategy Consultant payroll Semi-fixed Model as capacity added in staffing steps, from 1.0 FTE in Year 1 to 5.0 FTE in Year 5. Spreading payroll as if it rises smoothly with revenue.
Operations Analyst payroll Semi-fixed Model as stepped operating capacity, from 1.0 FTE in Year 1 to 6.0 FTE in Year 5. Counting analyst hours as unlimited once hired.
Freelance Subject Matter Experts Variable Apply as a revenue-linked delivery charge, starting at 12% of Year 1 revenue and declining to 9% by Year 5. Putting project specialists in overhead instead of gross margin.
Project Specific Data Analytics Tools Variable Apply as a project-linked charge, starting at 4% of Year 1 revenue and declining to 2% by Year 5. Booking project tools as fixed software overhead.
Travel and Client Onsite Expenses Variable Apply at 8% of Year 1 revenue unless clients reimburse it as a pass-through outside revenue margin. Ignoring reimbursements or double-counting travel in margin.
Sales Commissions and Referral Fees Variable Apply at 5% of revenue because the charge moves with closed sales. Forecasting commissions as a flat monthly sales budget.
Office rent, insurance, software, accounting, telecom, and admin Fixed Use recurring monthly overhead: $6,500 rent, $1,200 insurance, $1,800 software, $2,500 accounting, $850 telecom, and $1,100 admin. Annualizing monthly overhead wrong or mixing it into delivery labor.

How does break-even change from a lean launch to a full operating model?

Scenario table

Lean years carry less revenue and more fixed drag, so break-even stays tight. As utilization and pricing rise in the base and full cases, the margin cushion grows and the break-even point moves farther below revenue.

Planning assumptions only; actual results will move with sales mix, pricing, and overhead.
Scenario Monthly Revenue Variable Costs Fixed Costs CM Ratio Operating Profit Break-Even Signal
Lean launch case $79k $23k $70k 71% -$14k Still below break-even; it needs about $99k a month to clear fixed costs.
Base growth case $169k $46k $99k 73% $25k Near break-even with a modest cushion; about $135k a month covers overhead.
Full operating case $250k $63k $136k 75% $52k Above break-even with a wider cushion; the floor is about $181k a month.

What breaks the break-even plan for a root cause analysis consulting firm?

Stress test

The base case has only a thin cushion. If bookings slip, subcontractor and travel costs rise, or fixed overhead grows, the monthly gap widens fast.

Stress Case Changed Assumption Break-Even Revenue Revenue Gap Risk Signal
Current plan No change. $862k $72k gap Thin cushion; launch needs tight booking control.
Revenue shortfall Monthly revenue falls 10% to about $711k. $839k $128k gap Discounting or a slower pipeline widens losses.
Fixed-cost pressure Fixed costs rise 10% to about $697k. $926k $136k gap Office and staffing overhead can erase the cushion.
Margin pressure Variable expense rises from 29% to 34%. $902k $112k gap Higher subcontractor rates and travel hit fast.
Combined pressure Revenue falls 10%, variable expense rises to 34%, and fixed costs rise 10%. $939k $228k gap One miss compounds into a deep monthly loss.

What should the founder verify before signing the lease, hiring, and marketing spend?

Founder checklist

Don’t commit until signed or near-signed work can support the break-even run rate and the Month 9 target. The model only works if revenue, staffing, and cash line up before the fixed cost base is locked in.

1Demand proof$892K/mo

Verify signed or near-signed work can reach the break-even run rate before Month 9, because Year 1 revenue is still only $948K and EBITDA is -$169K.

2Fixed load$58.3K/mo

Include the Managing Principal’s $185K salary in operating cost, not as leftover profit, and confirm the office, software, legal, telecom, and admin stack stays at $58.3K a month before wages.

3Rate floor$250/$200/$275

Check that Year 1 pricing for diagnostics, implementation, and advisory still clears the 12% freelance, 4% tools, 8% travel, and 5% sales fee load, which leaves about 71% before fixed payroll and rent.

4Bench depth30/80/15 hrs

Verify the team and subcontractor bench can deliver 30 diagnostic hours, 80 implementation hours, and 15 retainer hours per customer mix, at 45 billable hours per active customer in Year 1.

5Cash runway$527K min

Keep cash above the $527K minimum through Month 9, because Year 1 EBITDA is -$169K and the business does not pay back until Month 32.

6CAC test$6.5K CAC

Make sure the $60K Year 1 marketing budget can hold CAC near $6.5K, so demand can scale without eating the margin cushion.


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Financial Models Lab provides this article and its calculators for educational and business-planning purposes only. They are not personalized financial, accounting, tax, legal, investment, or lending advice. Figures shown are illustrative planning estimates based on publicly available sources, observed market information, and stated assumptions; they are not guaranteed benchmarks, forecasts, quotes, or expected results. Actual startup costs, revenue, expenses, margins, funding needs, and break-even timing vary by location, date, business size, operating model, financing, and execution. Review the cited sources and replace sample assumptions with current local data, supplier quotes, and your own operating inputs. Calculator and financial-model outputs change when assumptions change. Consult qualified professional advisers before making material commitments. Financial Models Lab sells related templates and may link to its own products. Please report suspected errors through our contact page.