LBO vs Three-Statement Model: What's the Difference?

This is one of the most common questions in finance interviews, and most people give a mediocre answer. They'll say something like "an LBO has leverage and a three-statement model doesn't." That's technically true and entirely unhelpful.

Let's actually break down what's different, what's the same, and why both exist.

The Short Answer

A three-statement model projects what a company's financials will look like. An LBO model answers a very specific question: if a PE firm buys this company with leverage, what return do they get?

The three-statement model is the foundation. The LBO model is an application built on top of it.

What They Share

Both models project financial statements into the future. Both need revenue growth assumptions, margin forecasts, working capital estimates, and capex projections. Both have debt schedules with interest calculations.

If you squint hard enough, an LBO model is just a three-statement model with a specific transaction bolted onto the front and a returns calculation bolted onto the back.

What's Actually Different

Purpose

A three-statement model answers: "What will this company's financials look like over the next 3-5 years?" It's diagnostic. You're trying to understand the business.

An LBO model answers: "If I buy this company at X price with Y leverage, what IRR and MOIC do I get when I sell it in 5-7 years?" It's transactional. You're trying to evaluate a deal.

Starting Point

A three-statement model starts with current financials and projects forward. There's no "transaction" — you're just modeling the company as it is.

An LBO model starts with a transaction: purchase price, financing structure (how much debt, how many tranches, what terms), sources and uses of funds. The company's projected financials are important, but only insofar as they determine whether the debt gets paid down and what the exit value looks like.

Debt Treatment

In a three-statement model, debt is relatively simple. You model existing debt, maybe some refinancing, and the interest expense flows through the income statement. The debt balance is what it is.

In an LBO model, debt is the main character. You model multiple tranches (senior, subordinated, mezzanine) each with different interest rates, amortization schedules, and prepayment terms. You model mandatory and optional debt repayment. You calculate cash sweeps — excess cash flow above a certain threshold automatically goes toward paying down debt.

The entire economic engine of an LBO is deleveraging: using the company's cash flow to pay down the acquisition debt, which increases equity value for the sponsor.

Output

A three-statement model outputs projected financial statements: income statement, balance sheet, cash flow statement. Maybe some ratios and charts. The output describes the company.

An LBO model outputs sponsor returns: IRR, MOIC, returns attribution (how much return came from leverage vs. growth vs. multiple expansion). Plus a sensitivity table showing returns across different exit multiples and growth scenarios. The output evaluates the deal.

Circularity

Three-statement models have an inherent circularity between interest expense and net income (interest depends on debt, debt depends on cash flow, cash flow depends on interest). This requires iterative calculation.

LBO models have this same circularity plus additional complexity from cash sweeps — the optional debt prepayment depends on excess cash flow, which depends on interest expense, which depends on the debt balance, which depends on the prepayment. More moving parts, same iterative solution.

Which Should You Learn First?

Three-statement model, without question. It's the foundation. You can't build an LBO model without understanding how the three financial statements link together.

The typical progression is:

Three-statement model — learn how IS/BS/CF connect

DCF model — learn how to go from projected financials to valuation

LBO model — learn how leverage and transaction structure affect returns

M&A model — learn how to combine two companies and assess deal impact

Each builds on the previous one. Skip steps and you'll have gaps that show up in interviews.

When to Use Each

Use a three-statement model when:

Analyzing a company's operational trajectory

Building the financial foundation for any other model

Credit analysis (can the company service its debt?)

Forecasting for budgeting or strategic planning

Use an LBO model when:

Evaluating a potential private equity investment

Assessing whether a company can support a leveraged capital structure

Determining the price a PE firm could pay and still hit return targets

Modeling management buyouts or going-private transactions

Try Both

Prova has both a three-statement model and an LBO model with live ticker data. Pick any public company, auto-fill financials, and see how the same company looks through different modeling lenses.

Build a Three-Statement Model | Build an LBO Model