Guide · 11 min read
How a leveraged buyout works in practice: valuation, the debt stack, newco and the acquisition structure, due diligence, drawdown, covenants, debt paydown and the exit that returns the equity.
Written by Matt Lenzie · Published 3 September 2026
Advice from Matt Lenzie · 25-year career banker (Bank of Scotland, Lloyds Banking Group). £400m+ raised for clients.
Founder profile →A leveraged buyout works by separating who owns a company from who pays for it. The buyer agrees a price, contributes part of it as equity, and borrows the balance through an acquisition vehicle that buys the target's shares. From completion the target services and repays that debt out of its own cash flow, and when the business is eventually sold or refinanced whatever remains after the debt belongs to the shareholders.
Described that way it sounds simple, and structurally it is. The work is in the sequence: the order in which price, debt capacity, diligence, documents and drawdown have to happen, and the funding decision that sits behind each stage. Get the order wrong and the usual result is a price agreed that the debt market will not fund, which is the single most common reason a buyout stalls.
This guide walks through a UK leveraged buyout in the order it actually happens, from first approach to exit, with the numbers and the timings we work to as at September 2026. For the concept rather than the process, start with what a leveraged buyout is.
Two things, and both shape everything after. The target is identified and approached, and a price range is discussed on a non-binding basis under a confidentiality agreement. In an off-market deal that conversation may be between a founder and a management team who already know each other; in a sale process it is a data room, an information memorandum and a set of bidders working to a deadline.
What matters for the debt is that this stage produces three documents lenders will want on day one: the target's last three years of statutory accounts, current-year management accounts with a comparative, and a forecast for the next three years with the assumptions written down. If those are not available, the funding conversation is guesswork.
The output is heads of terms: price, structure, what is being bought, whether it is shares or assets, how much is paid on completion, what is deferred, and an exclusivity period. Heads of terms are mostly not legally binding, but they set the frame, and a price agreed in them without a debt capacity check behind it is a hostage to fortune.
Almost always as a multiple of adjusted EBITDA, with the multiple reflecting sector, size, growth and quality of earnings. In the UK lower mid-market, private company multiples commonly sit somewhere between four and eight times, with software, healthcare and specialist services attracting more and cyclical or contracting businesses less. The arithmetic is a chain, and each link matters.
The distinction between enterprise and equity value is not academic. A business bought at 6.0x £2m of EBITDA is a £12m enterprise value, but if the target carries £2m of existing debt the seller receives £10m and the buyer inherits an obligation that reduces the new debt capacity available for the purchase. Existing debt is almost always refinanced on completion, and it goes in the sources and uses as a use of funds.
This is the question we answer first, before anything else is committed, because it sets the ceiling on the price the buyer can pay. Lenders approach it from two directions and take the lower answer.
The leverage test. Total debt divided by adjusted EBITDA. Indicative UK bands as at September 2026 are 2.5x to 3.5x EBITDA for senior bank debt, rising to an indicative 3.5x to 5.0x in total where a unitranche or mezzanine layer is used. Sponsor and management equity fills the remaining 30% to 50% of enterprise value.
The service test. Free cash flow after tax and maintenance capital expenditure, divided by the interest and principal due. Lenders typically want debt service cover of at least 1.25x on the base case, and they will stress the forecast for a revenue fall, a margin squeeze and a rate rise before they are satisfied. On many mid-market deals the service test bites before the leverage test does, particularly in businesses with real capital expenditure needs.
| Test | What it measures | Indicative UK requirement, September 2026 |
|---|---|---|
| Senior leverage | Senior debt to adjusted EBITDA | 2.5x to 3.5x |
| Total leverage | All debt to adjusted EBITDA | 3.5x to 5.0x with unitranche or mezzanine |
| Debt service cover | Free cash flow to interest plus principal | 1.25x or better on the base case |
| Interest cover | EBITDA to net interest | Commonly 2.5x to 3.0x or better |
| Equity contribution | Sponsor and management cash as a share of enterprise value | 30% to 50% |
These are indicative bands as at September 2026 and not an offer. The practical use of them is arithmetic: a business with £2m of adjusted EBITDA supports roughly £5m to £7m of senior debt, which on a £12m enterprise value means the buyer needs to find £5m to £7m of equity, vendor loan and asset based capacity between them. Run your own figures through our LBO calculator and the equity gap appears immediately.
A new company is incorporated to make the purchase, for three reasons: it isolates the acquisition debt from the buyer's other interests, it gives lenders a clean entity to lend to and take security over, and it creates a place to sit the different classes of equity and shareholder debt. In larger deals the stack is split further into a holding company that houses the equity and shareholder loan notes and a bidco that borrows the senior debt and buys the shares.
On completion, several things happen in a single choreographed sequence. The lenders advance funds to the acquisition vehicle. The vehicle pays the seller for the shares of the target. Existing target debt is redeemed. Fees, stamp duty at 0.5% of the share consideration, and adviser costs are paid. Security is granted: a debenture over the target's assets, a share charge over the target's shares, and cross guarantees within the new group. The intercreditor deed ranking the lenders takes effect. Full detail of who ranks where sits in our guide to leveraged buyout structure.
The reconciliation of all of that is the sources and uses table, and it is the document every lender asks for first. Uses are the price, the refinancing of existing debt, transaction fees and any working capital injection. Sources are senior debt, any junior layer, asset based facilities, vendor loan, sponsor equity and management equity. The two sides must balance to the pound, and a structure that does not balance is a structure that has not been finished.
Four workstreams run at once, usually over four to six weeks, and lenders will not go to credit committee without the first of them.
Our role across this stage is to keep the debt process moving in step with the deal process, so that credit approval lands when the legal documents are ready rather than three weeks after everyone hoped. We are an arranger and introducer, not a lender: the credit decision belongs to the funder, and running a competitive process across our panel of 40+ banks, debt funds and asset based lenders is how a deal keeps a fallback if one committee says no.
Five agreements are negotiated in parallel and signed together, and the order of dependency matters more than the order of drafting.
The share purchase agreement transfers the shares and carries the price mechanics, warranties, indemnities and any earn-out. The facility agreement sets the loan terms: amount, margin, repayment profile, covenants, events of default and permitted payments. The intercreditor deed ranks the lenders against each other and subordinates shareholder debt behind them all. The security documents comprise the debenture, share charges and any legal mortgage over property. The investment agreement or shareholders agreement governs the equity: share classes, sweet equity, leaver provisions, board composition and consent matters.
Two friction points are worth anticipating. The facility agreement and the share purchase agreement have to be reconciled, because lenders will not fund a purchase whose warranty and price adjustment mechanics leave them exposed. And the intercreditor deed is where a senior lender and a mezzanine provider negotiate directly with each other, which can add a week that nobody had in the plan. Where a bank offers a coordinated senior and junior package, or a single unitranche facility covers the whole debt requirement, that negotiation largely disappears, which is part of why unitranche debt has taken so much mid-market share.
Through a repayment profile agreed at the outset, funded by cash passed up from the target. Bank senior debt is usually structured as a term loan A that amortises over five or six years, sometimes with a term loan B behind it repaid as a bullet at maturity, plus a revolving credit facility for working capital. A unitranche facility is more often a single bullet, which keeps annual cash service lower and leaves more room for growth investment.
Most facility agreements also include a cash sweep, requiring a proportion of excess cash flow to be applied to the debt, so a business that outperforms deleverages faster than the schedule. The effect over a hold period is substantial, and it is where a large part of the equity return is manufactured.
| Year | EBITDA, illustrative | Opening net debt | Closing net debt | Closing leverage |
|---|---|---|---|---|
| Completion | £2.00m | £6.00m | £6.00m | 3.0x |
| Year 1 | £2.10m | £6.00m | £5.10m | 2.4x |
| Year 2 | £2.21m | £5.10m | £4.20m | 1.9x |
| Year 3 | £2.32m | £4.20m | £3.30m | 1.4x |
| Year 4 | £2.43m | £3.30m | £2.40m | 1.0x |
| Year 5 | £2.55m | £2.40m | £1.50m | 0.6x |
This table is illustrative only, using a £12m enterprise value at 6.0x, senior debt of 3.0x EBITDA amortising at £900,000 a year and EBITDA growth of 5%. It is not a deal we arranged and it is not a projection for any particular business. What it shows is the mechanism: £4.5m of debt retired from trading cash flow over five years, all of which accrues to the equity even if the exit multiple never moves.
Reporting and performance, tested on a rolling twelve-month basis. A typical UK mid-market facility carries a leverage covenant, an interest or debt service cover covenant, and sometimes a capital expenditure limit, with monthly management accounts and quarterly compliance certificates. Covenants are set with headroom against the base case, commonly 15% to 25%, so that a modest miss does not trigger a default.
A breach is not the same as enforcement. In practice it opens a negotiation: a waiver, a reset, an equity cure where the shareholders inject cash to fix the ratio, or an amendment in exchange for a fee and tighter terms. What it does remove is the borrower's control of the timetable, which is the real cost of running with thin headroom. The ratios themselves are set out in our guide to leverage ratios and debt to EBITDA.
By sale, refinancing or recapitalisation, usually after four to six years. A trade sale to a strategic buyer or a secondary buyout to another sponsor repays the remaining debt from the proceeds, and the balance flows through the equity waterfall: senior lenders first, junior lenders next, shareholder loan notes with their accrued return, then preference shares, then ordinary and sweet equity.
The waterfall is why management sweet equity is designed the way it is. A small percentage of ordinary shares sitting behind a large stack of shareholder loan notes produces a modest outcome at a modest exit value and a substantial one above it, which is precisely the incentive the structure is built to create. Where a full exit is not wanted, a refinancing can return capital by replacing amortised debt with a new facility at the lower leverage the business has earned, leaving the shareholders in place.
A buyer agrees a price for a company, puts in part of it as equity, and borrows the rest against the company being bought. A new holding company takes the loans and buys the target's shares. From completion onwards the target passes cash up to service interest and repay principal, so the business gradually pays off the debt used to acquire it. Four to six years later the buyer sells or refinances, and whatever is left after the remaining debt belongs to the equity.
The acquired company does, from its own trading cash flow. The legal borrower is usually an acquisition vehicle above the target, but that vehicle has no income of its own, so cash moves up the group by way of intercompany payments, management charges or dividends to meet interest and amortisation. This is why lenders spend their diligence on the target's earnings quality and cash conversion rather than on the buyer's personal balance sheet.
On a UK lower mid-market deal, twelve to twenty weeks from agreed heads of terms to drawdown is a realistic planning assumption. Roughly two to three weeks goes on debt structuring and indicative terms, four to six weeks on financial, commercial and legal due diligence, two to three weeks in credit committee and offer, and four to six weeks on the facility agreement, intercreditor deed and share purchase agreement running in parallel. Deals slip when accounts are late, when a quality of earnings review finds adjustments, or when a warranty position takes longer to settle than expected.
As an indicative band for UK deals as at September 2026, sponsor and management equity covers 30% to 50% of enterprise value, with debt covering the rest. There is no fixed deposit requirement, because the number is driven by how much debt the target's cash flow will service rather than by a loan to value rule. Vendor loans, deferred consideration and asset based facilities all reduce the cash equity needed, which is why the structure is worth designing before the price is fixed.
The debt has to be serviced whatever trading does, so a normal downturn becomes a covenant problem far sooner than it would in an unleveraged business. Cash committed to interest and amortisation is cash not available for investment, hiring or acquisitions. Covenant reporting adds a real management burden, and a breach hands the lenders influence over the timetable. Floating rate exposure adds a further risk that deals struck before 2022 discovered the hard way.
The largest on the widely reported record is the 2007 buyout of Texas utility TXU, renamed Energy Future Holdings, at around 45 billion US dollars including debt; it filed for Chapter 11 in 2014. The largest publicly reported UK leveraged buyout is KKR's 2007 take-private of Alliance Boots at about £11.1bn, the first buyout of a FTSE 100 company. Both sit at a scale of leverage the mid-market never sees.
Yes. Sponsor-less buyouts are a normal part of the UK market: a management team or trading buyer puts in the equity and raises debt directly, without a fund taking a controlling stake. The debt structures available are similar, though leverage tends to sit lower because there is no sponsor equity cheque standing behind a shortfall, and lenders look harder at management depth. We arrange debt for both routes.
Lenzie Consulting Ltd is not authorised or regulated by the FCA; we arrange unregulated business finance for limited companies and LLPs only. This guide is general information, not tax, legal or investment advice. If you have a live deal, send us the numbers, or read how the layers rank in our guide to leveraged buyout structure and what the routes cost in our guide to financing a business acquisition.
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