Want to buy another business to expand your operations or tap into new markets? You might be considering business acquisition financing.

In business finance, an acquisition is the transaction in which one company buys some or all of the shares of another. Common acquisition finance options include bank loans, lines of credit, and private lender loans.

What Is Business Acquisition Financing?

Business acquisition financing is the funding your company uses to buy another company. In 2026, the UK mergers and acquisitions market remains as active as ever, averaging between 6,000 and 7,500 recorded M&A transactions per year under normal market conditions.

A properly tailored funding solution will help protect your assets and ensure you have enough working capital to run the business post-sale.

Acquisition Financing: What's the Best Method?

There are four main pillars of business acquisition financing: bank debt, seller financing, asset-based lending, and private equity.

Financing typeTypical speedCost of capitalControl retained
Bank debtSlow (4-8 weeks)Low to medium100% retained
Seller financingFast (negotiated)Low100% retained
Asset-based lendingMedium (2-4 weeks)Medium100% retained
Private equitySlow (months)High (profit sharing)Partial loss of control

Bank Debt

Bank debt is usually the first port of call if your business wants to buy another business. Lenders assess your company's historical earnings and sector risk, then lend a lump sum. Banks often offer the lowest interest rates, but unless you have spotless credit, bank debt is tricky to get approved for.

Seller Financing

Also known as vendor finance or seller notes, seller financing is where the seller functions like a bank. You pay a portion of the company's value upfront and repay the remaining balance, plus interest, over 3-5 years. Sellers usually charge higher interest rates than banks to offset their risk.

Asset-Based Lending

Asset-based lending (ABL) leverages the value of the target business's balance sheet, advancing cash against specific assets such as invoices, stock, equipment, or machinery. This option can be quite restrictive — lenders will run frequent audits on inventories and invoices.

Private Equity

Private equity refers to capital investments made in companies that are not publicly traded. PE firms often bring deep industry connections and there's no debt burden on your operational cash flow, but it can be the most expensive form of capital in the long run — you surrender a portion of your profits and may lose autonomy over major decisions.

Alternative Funding Options for Business Acquisition

Mezzanine finance

A hybrid debt-equity tool that acts as a loan but gives the lender the right to convert the debt into company shares if you can't make the repayments.

Earn-outs

A variation of seller financing where part of the payment is delayed and only paid out if the business hits specific revenue or profit milestones after the acquisition.

Government-backed finance

In the UK, government-backed options like the Growth Guarantee Scheme can provide loans, overdrafts, and asset-based lending facilities to businesses whose turnover doesn't exceed £45 million, up to £2 million per business group.

Which Type of Business Acquisition Funding is Right for You?

Consider three competing factors: what you can afford upfront, the assets of the company you're buying, and how much control you want to retain.

If your business has valuable physical assets or steady cash flow and you want to retain 100% control, choose asset-based lending or traditional bank debt. If you have limited cash to put down upfront, negotiate seller financing. If you're chasing a high-growth acquisition that exceeds your current borrowing capacity, you'll need to bring in private equity and accept trading away some of your shares.

Acquisition Finance FAQs

What is the fastest way to finance a business acquisition?
Bridging loans from banks and lenders are typically the fastest option, providing funds within a few days, though at higher interest rates and usually as a short-term solution.
What is the cheapest way to finance an acquisition?
Seller financing is the lowest-cost option because vendors typically charge lower interest rates than commercial banks. Traditional debt financing is also highly cost-effective if you have strong credit.
Can you use invoice finance during an acquisition?
Yes. Invoice finance unlocks working capital to cover early transactional costs and helps manage the combined accounts receivable safely during the post-acquisition integration phase.