EBITDA

EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) is the measure of operating profitability calculated by adding those items back to net income. It's used widely in valuation (EBITDA multiples for mature companies and PE transactions), debt analysis (debt-to-EBITDA ratios), and cross-company benchmarking, because it removes effects of capital structure and tax jurisdiction. EBITDA is most relevant at later-stage and physical-asset-heavy businesses, and less relevant at early-stage SaaS where contribution margin and unit economics matter more. It is the most-discussed financial metric at mature companies.

The calculation:

Method 1: Net Income + Interest + Taxes + Depreciation + Amortization

Method 2: Operating Income + Depreciation + Amortization

Method 3 (informal): Revenue - COGS - OpEx (excluding D&A)

All three should produce roughly the same number for clean companies.

What EBITDA tells you and doesn't:

Tells you:

• Operating profitability separated from financing decisions (interest) and tax position (taxes).
• Removes non-cash accounting items (depreciation, amortization).
• Comparable across companies with different capital structures and tax situations.

Doesn't tell you:

• Actual cash flow (working capital changes, capex, and financing activities matter).
• Quality of revenue (one-time vs recurring).
• True profitability when D&A reflects real capital consumption (e.g., manufacturing assets that genuinely wear out).

Adjusted EBITDA:
Companies often report "Adjusted EBITDA" with additional add-backs (stock-based compensation, one-time restructuring, M&A expenses, etc.). The adjustments can be reasonable or aggressive; sophisticated investors scrutinize them.

EBITDA in valuation contexts:

PE transactions: typically valued as multiples of EBITDA. Multiples vary by industry (5-12x typical for mature businesses).

Mature SaaS: EBITDA multiples sometimes used; more commonly revenue multiples at growth-stage SaaS.

Physical asset-heavy businesses (manufacturing, real estate, hospitality): EBITDA is the primary profitability metric.

Early-stage tech startups: EBITDA is usually negative; ARR multiples or revenue growth-adjusted multiples dominate valuation.

Why EBITDA matters less at early-stage tech:

• Most early-stage tech is unprofitable on EBITDA basis.
• D&A is small at early-stage (limited capex).
• Interest expense is minimal (limited debt).
• Tax expense is minimal (operating losses).
• The "EB" (earnings before everything) is usually close to operating income.

What founders get wrong: Either over-using EBITDA at early stages where it's not the relevant metric, or ignoring it entirely past Series C/D when investors and acquirers start caring about it. The right discipline: understand which metrics matter at your stage. Early: ARR growth, NRR, unit economics. Late: EBITDA, FCF, the path to profitability. Adapt the dashboard as the company matures.

Related: P and L Statement · Financial Projections · Gross Margin · Balance Sheet · Exit Multiple

FAQ

What is EBITDA?
Earnings Before Interest, Taxes, Depreciation, and Amortization. A measure of operating profitability calculated by adding back interest, taxes, depreciation, and amortization to net income. Used in valuation, debt analysis, and cross-company benchmarking.

Why does EBITDA matter?
Because it separates operating profitability from financing decisions (interest), tax position (taxes), and non-cash accounting items (depreciation, amortization). Provides a comparable view of operating performance across companies with different capital structures and tax situations.

When does EBITDA matter for startups?
Most relevant at mature companies, physical-asset-heavy businesses, and PE transactions. Less relevant at early-stage tech startups (typically unprofitable on EBITDA basis). Becomes important pre-IPO or pre-PE transaction when investors and acquirers focus on profitability metrics.