A leveraged buyout works by funding most of a company’s purchase price with borrowed money, securing that debt against the acquired company’s own assets and cash flow, and then using the company’s earnings to pay the debt down over several years before selling or listing the business at a higher value. Debt typically covers 60% to 80% or more of the purchase price, with the buyer contributing a much smaller slice of equity. The strategy lets private equity firms acquire businesses worth far more than the cash they put in, and the return comes years later at exit.
The Capital Structure
The defining feature is the ratio of debt to equity. A buyer might fund 70% of a billion-dollar deal with borrowed money and contribute only 30% as equity. That debt doesn’t sit on the buyer’s balance sheet. It lands on the acquired company, which then has to generate enough cash to cover interest and principal. The buyer’s aim is simple: minimize upfront cash, use the company’s earnings to retire the debt, and pocket the difference at exit.
Lenders don’t write these loans on faith. They take security interests in the company’s assets, from real estate and equipment to intellectual property and receivables. If the company can’t keep up with payments, lenders can seize those assets. A UCC-1 financing statement, filed with the appropriate state office, formally establishes that priority claim.1Legal Information Institute. UCC Financing Statement
The Layers of Debt
LBO debt isn’t a single loan. It’s layered into tranches that differ in seniority, interest rate, and repayment terms. Senior secured debt sits at the top and gets paid first. Below it, increasingly risky layers accept higher interest rates in exchange for their subordinate position.
- A revolving credit facility functions like a corporate credit card for short-term working capital. The company draws against a set limit and repays as cash comes in.
- Term loans (senior bank debt) are secured by company assets, carry relatively lower interest rates, and impose stricter financial covenants. Term Loan A amortizes evenly over five to seven years, while Term Loan B carries minimal amortization with a large balloon at maturity.
- High-yield bonds are unsecured, priced higher, and repaid in a bullet at maturity, usually eight to ten years out. They carry fewer ongoing covenants than bank debt but charge more for the added risk.
- Mezzanine debt is the last layer before equity. It’s often provided by hedge funds or specialized lenders and sometimes includes equity warrants that let the lender share in the upside.
- Seller notes are promissory notes from the buyer to the seller that defer part of the purchase price. Generally cheaper than other junior debt because the seller wants the deal to close.
Senior bank debt commonly makes up 30% to 50% of the total capital structure, high-yield and subordinated debt another 20% to 30%, and equity the remaining 20% to 35%. These proportions shift with market conditions, interest rates, and how aggressively lenders are willing to extend credit.
What Makes a Company an LBO Candidate
Not every company can carry the debt load an LBO demands. Lenders won’t finance a deal unless the target’s cash flow can comfortably cover interest, and buyers won’t pursue one unless they see a realistic path to growing the company’s value. The characteristics that matter most:
- Stable, predictable cash flow. Mature industries with recurring revenue and established customers generate the steady earnings that give lenders confidence. Volatile or cyclical revenue makes debt servicing unpredictable.
- Hard assets for collateral. Real estate, machinery, and inventory give lenders something tangible to seize if things go wrong. Asset-light businesses face tougher financing terms.
- Low existing debt. A clean balance sheet means new acquisition debt takes first priority without competing against older obligations.
- Low capital expenditure requirements. Companies that don’t need to pour cash back into maintaining or upgrading operations leave more free cash flow available for debt service.
- Operational improvement opportunities. Buyers look for inefficiencies they can fix through cost cutting, better management, or strategic repositioning. The gap between current and potential performance is where the buyer’s return comes from.
Buyers typically value LBO targets as a multiple of EBITDA (earnings before interest, taxes, depreciation, and amortization). These multiples vary widely by industry. Capital-intensive sectors like auto parts or telecom services trade at single-digit multiples, while software and healthcare companies often command multiples above 20. The purchase price multiple dictates how much debt the capital structure can support and what return the equity investors can realistically expect.
Who’s Involved
Financial Sponsors
Private equity firms drive most LBOs. They raise capital from institutional investors like pension funds, endowments, and sovereign wealth funds, then deploy that capital as the equity portion of buyout transactions. The standard fee arrangement charges roughly 2% of committed capital as an annual management fee, plus 20% of profits above a specified return threshold, known as carried interest. The general partner usually invests about 1% of the fund alongside its limited partners, keeping its own money at risk.
Lenders
Banks and institutional investors provide the debt financing. Investment banks often underwrite the initial loans and then syndicate portions to other lenders, spreading the risk. Lenders perform their own due diligence and impose covenants that restrict what the company can do post-acquisition. Typical covenants limit additional borrowing, restrict dividend payments, and require the company to maintain minimum financial ratios.
Management
The target company’s executive team plays a dual role. They continue running the business while frequently rolling over a portion of their existing equity into the new ownership structure. Rollover equity, often 25% to 50% of the after-tax value of management’s existing holdings, keeps executives invested after the deal closes. On top of the rollover, management teams typically receive new equity grants tied to performance milestones.
Why Taxes Matter to the Math
The tax deductibility of interest payments is one of the fundamental economic drivers of an LBO. Because the acquired company is loaded with debt, interest expense reduces its taxable income, effectively creating a tax subsidy that helps fund the acquisition. But the benefit has limits. Under Section 163(j) of the Internal Revenue Code, a business can only deduct interest expense up to the sum of its business interest income plus 30% of its adjusted taxable income.2Office of the Law Revision Counsel. 26 US Code 163 – Interest
For tax years beginning in 2025 and beyond, adjusted taxable income is calculated with depreciation, amortization, and depletion added back, making the limit more generous than it was during the 2022–2024 period when those deductions were excluded.3Internal Revenue Service. Questions and Answers About the Limitation on the Deduction for Business Interest Expense Interest that exceeds the cap isn’t lost permanently; it carries forward to future tax years. Still, the 30% ceiling means heavily leveraged companies with thin margins can find a meaningful portion of their interest expense non-deductible in the near term, which directly affects cash flow projections.
How a deal is structured also shapes the math. In a stock purchase, the buyer acquires the target’s shares and inherits the company’s existing tax basis in its assets. In an asset purchase, the buyer gets a stepped-up basis equal to the purchase price, which allows larger depreciation and amortization deductions going forward. Sellers generally prefer stock sales for their cleaner tax treatment, while buyers prefer asset purchases for the step-up.
Section 338(h)(10) of the Internal Revenue Code offers a compromise. If both parties agree to the election, a stock purchase is treated as an asset purchase for tax purposes. The target recognizes gain or loss as if it sold all of its assets in a single transaction, and the buyer receives the coveted step-up in basis.4Office of the Law Revision Counsel. 26 US Code 338 – Certain Stock Purchases Treated as Asset Acquisitions The election is only available when the target is a member of a consolidated group filing a joint return.
Antitrust Review
Deals above a certain size require premerger notification to the Federal Trade Commission and the Department of Justice before they can close. For 2026, the minimum transaction threshold triggering this requirement is $133.9 million.5Federal Trade Commission. New HSR Thresholds and Filing Fees for 2026 Once both parties file the required Hart-Scott-Rodino notification, a 30-day waiting period begins during which the agencies review the transaction for potential antitrust concerns.6Office of the Law Revision Counsel. 15 USC 18a Premerger Notification and Waiting Period
If either agency decides it needs more information, it issues a second request. That extends the waiting period until both parties have substantially complied, after which the agency gets an additional 30 days to decide whether to challenge the deal.7Federal Trade Commission. Premerger Notification and the Merger Review Process Responding to a second request can take months and cost millions in legal fees, and it is where deals with genuine competitive concerns often die or get restructured with divestitures.
The Fraudulent Transfer Problem
There is a structural tension at the heart of every LBO: the target company takes on massive debt to fund payments to its own former shareholders. The company receives no direct economic benefit from the transaction. It just gets the debt. If it later becomes insolvent, creditors can argue that the entire deal was a fraudulent transfer, meaning the company gave away value (the debt capacity that funded shareholder payments) without receiving reasonably equivalent value in return.
Under the Uniform Voidable Transactions Act, adopted in some form by the vast majority of states, a transfer or obligation is voidable if the debtor was insolvent at the time or became insolvent as a result, and didn’t receive reasonably equivalent value. Fraud in the colloquial sense isn’t required. A court can unwind the transaction based purely on the economic facts. The three tests for constructive fraud look at whether the company was rendered insolvent, left with unreasonably small capital to operate, or took on debts it couldn’t reasonably expect to pay.
To guard against these claims, boards of directors and lenders often obtain solvency opinions from independent financial advisors before closing. A solvency opinion evaluates whether the company, after absorbing the LBO debt, will still have assets exceeding liabilities, adequate capital to run the business, and the ability to pay its debts as they come due. These opinions aren’t legally required, but they serve as evidence that the board acted on an informed basis. In deals where the equity contribution drops or the debt load rises during negotiations, a solvency opinion becomes particularly important.
How the Buyer Gets Its Money Back
Private equity firms don’t buy companies to hold them forever. The entire LBO thesis depends on selling the company at a higher value than the purchase price after the debt has been substantially paid down. Median holding periods have stretched to roughly six years, though the timeline varies with market conditions and company performance. The main exit paths:
- A strategic sale to a competitor or strategic acquirer who sees operational synergies. This often produces the highest valuations because the buyer can justify a premium based on cost savings or revenue growth that a purely financial buyer can’t replicate.
- A secondary buyout, selling to another private equity firm. This has become increasingly common, though it raises questions about whether the next buyer can wring out additional value.
- An initial public offering. Taking the company public can produce strong returns in a favorable stock market, but the process is expensive, time-consuming, and subject to market timing risk. The sponsor usually sells its shares gradually over months or years after the listing.
- A dividend recapitalization. Rather than selling, the sponsor has the company borrow additional money to pay a special one-time dividend to the equity holders. It’s essentially a partial exit that reduces the sponsor’s capital at risk, while increasing the company’s debt burden.
The sponsor’s return hinges on three levers: paying down debt with the company’s cash flow so the equity slice grows as a percentage of the total, growing the company’s earnings, and selling at a higher valuation multiple than the purchase price. When all three work, returns can be extraordinary. When performance disappoints or credit markets tighten, the debt that amplified potential gains works in reverse, and the equity can be wiped out entirely.