How I explain the money side to founders and operators: cash, margins, funding, risk, taxes, and the KPIs that tell you if you are building something durable or just busy.
Accounting is backward-looking; finance is the set of choices you make with that picture. I bucket it in five moves: (1) Cash — never run out. (2) Profitability — earn more than you spend at the unit level. (3) Capital — fund growth without giving away the farm. (4) Risk — survive what you did not model. (5) Allocation — send the next dollar where it earns the most.
Money moves in, through, and out; each choice changes tomorrow’s room to maneuver. The five pillars below backstop each other—if you starve one long enough, the rest start to wobble.
Profitable businesses fail every day because receivables outpace payables. Track cash runway weekly. Build a 13-week rolling cash forecast. Maintain a credit facility you don't need.
If a single transaction doesn't generate positive contribution margin, scale makes losses bigger, not smaller. Fix unit economics before you raise capital or hire reps.
Pre-payments, deposits, and subscriptions beat both debt and equity. Then debt (tax-deductible). Then equity (most expensive — you give up forever).
Map the 5 risks that could kill the company (customer concentration, FX, key person, regulatory, cyber). Buy insurance or diversify only against those.
The P&L, balance sheet, and cash flow statement are the same business in three cuts. Once the links feel obvious, you can stress-test almost any decision without guessing.
| Linkage | From → To | Why it matters |
|---|---|---|
| Net Income → Retained Earnings | IS bottom line → BS equity | Profit grows the owner's claim on the business. |
| Net Income → CFO | IS → CFS top line | Earnings are the starting point of cash generation. |
| Δ Working Capital → CFO | BS changes → CFS | Growth ties up cash in AR and inventory. |
| CapEx → PP&E / Depreciation | CFS investing → BS asset → IS expense | Today's investment becomes tomorrow's expense. |
| Debt → Interest → Cash | BS liability → IS expense → CFS financing | Leverage cost shows in three places at once. |
Cash pays payroll. I read the P&L for story, the cash forecast for survival—same idea as watching the fuel gauge, not only the speed. What follows is the baseline discipline I ask for on most engagements.
Runway (months) = Cash on Hand ÷ Net Monthly Burn
Where Net Burn = Cash Out – Cash In (in a steady-state month). If you're profitable, runway is effectively infinite — but model a 30% revenue drop and recompute.
Build a rolling spreadsheet with weekly rows for inflows (by customer, with probability) and outflows (by category, by due date). Update every Friday. This single artifact prevents 90% of cash crises.
Working capital is operational cash trapped between paying suppliers and getting paid by customers. The Cash Conversion Cycle (CCC) measures how many days each dollar of revenue is locked up before it returns. Shortening CCC is free funding.
| Lever | Action | Impact | Trade-off |
|---|---|---|---|
| Shorten DSO | Invoice on delivery; offer 2/10 net 30; auto-debit; deposits | Each day shaved ≈ 1 day's revenue freed | Discounts cost margin; pushy collections cost customers |
| Shorten DIO | Just-in-time, drop-ship, ABC inventory, vendor-managed | Releases cash + reduces obsolescence | Higher stock-out risk; supplier dependence |
| Lengthen DPO | Negotiate net-60/90, use cards with float, supply-chain finance | Free 30–60 day financing | Supplier relationships, lost early-pay discounts |
| Switch model | Pre-pay, subscription, deposit, milestone billing | Negative working capital — customer funds growth | Higher acquisition friction |
Before scaling, answer one question: does a single unit of sale create or destroy value? Unit economics strip out fixed cost noise and reveal the truth.
| ACV / AOV | Average revenue per customer or order |
| Gross margin % | (Price − Variable COGS) ÷ Price |
| CAC | Customer Acquisition Cost (paid + organic + sales salaries) |
| LTV | Gross profit × purchase frequency × retention years |
| Payback | Months for CAC to be recouped via gross profit |
| Strategy | Best for | How it works | Risk |
|---|---|---|---|
| Cost-plus | Commodities, contracts | Add target margin to cost | Leaves money on the table |
| Value-based | B2B, SaaS, professional services | Price = % of customer's ROI | Hard to quantify value |
| Tiered / Good-Better-Best | SaaS, services | 3 tiers anchor the middle | Requires real differentiation |
| Usage / Consumption | API, cloud, telecom | Pay for what you use | Revenue volatility |
| Penetration | Network effects markets | Low price to gain share, then raise | Hard to raise prices later |
| Premium / Skim | Brand, innovation | High price signals quality | Limits TAM |
A budget is a hypothesis. A forecast is the updated hypothesis. The cycle is: plan → execute → measure variance → re-forecast → reallocate. Run it monthly.
Every line starts at zero each year. Every owner justifies their ask. Reduces "last year + 5%" sprawl. Pair with driver-based budgeting: tie costs to volume drivers (headcount per $1M revenue, infrastructure per active user) so the model self-adjusts.
| Variance type | Formula | What it tells you |
|---|---|---|
| Price variance | (Actual price − Budget price) × Actual volume | Did pricing power change? |
| Volume variance | (Actual volume − Budget volume) × Budget price | Demand vs forecast accuracy |
| Mix variance | Shift between product lines at different margins | Are you selling the right things? |
| Efficiency variance | Actual hours/units − Standard × cost rate | Operational productivity |
Different stages need different capital. Choosing wrong starves growth or surrenders ownership. Use the capital stack hierarchy: free cash → revenue → debt → equity, in that order of preference, because each is more expensive than the last.
| Source | Typical cost | Dilution | Best when | Watch out for |
|---|---|---|---|---|
| Operating cash flow | ~0% | None | Always — first option | Slow growth |
| Customer pre-payments | Negative (discount cost) | None | Recurring / contract models | Refund risk; deferred liability |
| Trade credit (suppliers) | 0–2% (lost discount) | None | Stable supply base | Stretching hurts terms |
| Bank line of credit | Prime + 1–4% | None | Bridging working capital | Covenants, personal guarantees |
| Term loan / SBA | 5–10% | None | CapEx, acquisitions | Collateral, slow underwriting |
| Asset-based lending | 6–12% | None | AR/Inventory-heavy | Concentration limits |
| Revenue-based financing | 1.3–1.7× cap | None | Predictable recurring rev | Lower flexibility, fast repay |
| Venture debt | 9–13% + warrants | Low | Extending runway post-equity | Material adverse change clauses |
| Angel / Seed equity | ~25% IRR target | 10–20% | Pre-revenue innovation | Cap-table sprawl |
| Venture capital | ~30%+ IRR target | 15–25% per round | Winner-take-most markets | Liquidation preferences, board control |
| Private equity | ~20% IRR + leverage | Majority | Mature, EBITDA-positive | Loss of independence |
You can't manage what you don't measure — but measuring everything creates noise. The matrix below is the minimum viable dashboard. Review weekly with leadership; monthly with the board.
| KPI | Formula | Healthy target | What it warns of |
|---|---|---|---|
| Gross Margin % | (Revenue − COGS) ÷ Revenue | SaaS > 70%; Retail > 30% | Pricing power loss |
| EBITDA Margin | EBITDA ÷ Revenue | > 15% (industry-dep.) | Operating drag |
| Operating Cash Flow Margin | CFO ÷ Revenue | > 10% | Accrual-only profit |
| Free Cash Flow | CFO − CapEx | Positive & growing | Need for outside funding |
| Current Ratio | Current Assets ÷ Current Liabilities | 1.5 – 3.0 | Short-term solvency |
| Quick Ratio | (CA − Inventory) ÷ CL | > 1.0 | Inventory-masked weakness |
| Debt-to-Equity | Total Debt ÷ Equity | < 1.0 (industry-dep.) | Over-leverage |
| Interest Coverage | EBIT ÷ Interest | > 4× | Debt service stress |
| ROIC | NOPAT ÷ Invested Capital | > WACC + 5% | Capital being destroyed |
| CCC | DIO + DSO − DPO | < 30 days | Cash trapped in WC |
| LTV / CAC | Customer LTV ÷ CAC | > 3× | Growth burning cash |
| Rule of 40 (SaaS) | Growth % + EBITDA % | ≥ 40 | Unsustainable trade-off |
Financial risk management isn't about avoiding losses — it's about ensuring no single event can kill the company. Map risks by likelihood × impact, mitigate the top-right, accept the bottom-left, monitor the rest.
| Risk type | Common triggers | Mitigation |
|---|---|---|
| Liquidity | AR concentration, seasonal cash gap, covenant breach | 13-week forecast, revolver, customer deposits |
| Credit | Bad debt from customers | Credit checks, deposits, trade insurance, factoring |
| Market | FX, interest rates, commodity prices | Natural hedge, forwards, fixed-rate debt |
| Operational | System failure, key-person loss | Redundancy, cross-training, business continuity plan |
| Strategic | Tech shift, competitor, regulation | Scenario planning, optionality, faster cycles |
| Cyber | Phishing, ransomware, data breach | MFA, backups, cyber insurance, incident response |
| Compliance | Tax filings, GDPR/CCPA, sanctions | Compliance calendar, external advisors, controls |
Tax is the largest controllable expense in most profitable businesses. Tax planning (legal structuring) compounds; tax preparation (filing) doesn't. Build the structure before you need it.
| Form | Best for |
|---|---|
| Sole prop / DBA | Solo, low revenue, simple |
| LLC (pass-through) | Flexible, no double tax, liability shield |
| S-Corp election | Profitable LLC saving on SE tax |
| C-Corp | Reinvesting, raising VC, QSBS eligible |
| Holding co. structure | Multi-entity, IP isolation, exit |
Once cash is safe and a business is profitable, every additional dollar has an opportunity cost. The CFO's most important question is: where does the next dollar earn the highest risk-adjusted return?
Set a minimum return rate (hurdle) equal to WACC + risk premium for each project category. Reinvestment beats payouts only when projected IRR clears the hurdle and the project's risk fits the company's risk capacity.
| Use of cash | Expected return | Reversible? | When to favor |
|---|---|---|---|
| Organic reinvestment | 15–40% IRR | Partially | ROIC > WACC, market growing |
| Acquisitions (M&A) | 10–25% IRR (post-synergy) | No | Strategic gap, fragmented market |
| Debt repayment | = After-tax debt rate | Yes (re-borrow) | High leverage, rates rising |
| Share buyback | = 1/PE earnings yield | Mostly | Stock undervalued, no better use |
| Dividend | = shareholder option | Hard to cut | Mature business, predictable cash |
| Hold as cash | ~T-bill rate | Yes | Uncertainty, M&A war chest |
The finance team must scale ahead of the business, not behind it. The right structure at each stage prevents both over-hiring and operational gaps.
| Stage | Revenue band | Finance team | Systems | Cadence |
|---|---|---|---|---|
| Pre-revenue | $0 – 1M | Founder + outsourced bookkeeper | QuickBooks/Xero · Stripe · Bill.com | Monthly close, manual |
| Early traction | $1 – 5M | + Fractional CFO | + Expensify · Brex · Gusto | Monthly close in 10 days |
| Scaling | $5 – 25M | Controller + 1–2 staff + Fractional CFO | NetSuite/Sage Intacct · Ramp · Mosaic | 5-day close, weekly KPIs |
| Growth | $25 – 100M | CFO + Controller + FP&A lead + AP/AR clerks | ERP + BI + Tax SW + Cap-table | 3-day close, board pack |
| Enterprise | $100M+ | CFO org: FP&A, Controllership, Treasury, Tax, IR | SAP/Oracle · Adaptive · Tableau | Continuous close, daily dashboards |
Outsource what's compliance (tax prep, payroll, audit). Build in-house what's competitive (FP&A, pricing, capital strategy).
Pick the ERP that fits 2× current scale, not 10×. Switching ERP is the single most disruptive finance project — avoid it twice.
From 30 days → 10 → 5 → 3. Each step requires automation, integrations, and discipline — not headcount.
Controls aren't bureaucracy — they're how you sleep at night. The principle is segregation of duties: no single person can both authorize and execute a financial transaction.
| Control | Purpose | Frequency |
|---|---|---|
| Bank reconciliation | Catch theft, errors, missing transactions | Daily for high-volume; weekly otherwise |
| Approval matrix | Tiered $ thresholds with named approvers | Reviewed annually |
| Vendor master review | Prevent fake/duplicate vendors | Quarterly |
| Payroll change audit | Detect ghost employees / pay changes | Each payroll cycle |
| Expense policy & review | Prevent leakage, ensure deductibility | Monthly sample audit |
| Financial statement review | Sanity check before publishing | Monthly with CEO/Board |
| External audit / review | Independent verification | Annual (review or full audit) |
| SOX-style ITGCs | Access, change management, backups | Continuous; tested quarterly |
Even if you never plan to sell, you should know what the business is worth — it informs capital decisions, equity comp, and option value. The three primary methods:
| Industry | EV / Revenue | EV / EBITDA | Notes |
|---|---|---|---|
| SaaS (high growth) | 5 – 12× | 20 – 40× | NRR > 110% drives premium |
| SaaS (low growth) | 2 – 4× | 8 – 15× | Discounted for slowing |
| Professional services | 0.6 – 1.5× | 4 – 8× | Recurring revenue boosts |
| E-commerce / DTC | 0.5 – 2× | 4 – 10× | Brand & retention key |
| Manufacturing | 0.5 – 1.5× | 5 – 8× | Asset-heavy |
| Distribution / Wholesale | 0.3 – 0.8× | 4 – 7× | Working capital intensive |
| Healthcare services | 1 – 2× | 6 – 12× | Regulatory premium |
| Exit type | Time to close | Typical multiple | Owner outcome |
|---|---|---|---|
| Asset sale | 3–6 mo | Lower | Cash, walk away, tax-inefficient |
| Strategic acquisition | 6–12 mo | Highest (synergies) | Cash + earnout, integration risk |
| Financial buyer (PE) | 6–12 mo | Mid | Cash + rollover equity, second bite |
| ESOP | 6–18 mo | Fair-market | Tax-advantaged, culture preserved |
| Management buyout (MBO) | 6–12 mo | Mid | Continuity, financing intensive |
| IPO | 12–24 mo | Public-market | Liquidity over time, reporting burden |
| Hold & dividend | Forever | n/a | Optionality preserved |
Here is a 90-day install order that matches this doc—take it in sequence if you can; skip only what you already have wired.
This playbook synthesizes standard corporate-finance practice, public accounting conventions, and widely taught operator frameworks. Use the list below for citations, syllabi, and deeper study—then confirm anything jurisdictional (tax, entity choice, GAAP/IFRS) with your CPA and counsel. Links are conveniences; prefer primary standards, textbooks, and regulator pages for formal work.