Article

The Optimal Deal Structure for Business Acquisitions – Earn-Out, Vendor Loans & More

The structure of a business acquisition is often just as critical to its success as the purchase price itself. Whether you are acquiring a business for the first time or already have experience under your belt – the right combination of payment models, financing instruments, and performance-related components reduces risk, optimises cash flow, and aligns the interests of buyer and seller. This article provides an overview of the most common deal structures – such as earn-outs and vendor loans – explains their respective advantages and disadvantages, outlines what banks will accept, and analyses the implications for risk, liquidity, and control.

Classic Models: Earn-Outs, Seller Loans & Co. – Pros and Cons

Earn-Outs:
An earn-out is a variable component of the purchase price that depends on the future performance of the business (e.g. revenue, EBITDA, or customer retention following the acquisition).

Advantages:

Alignment of interests between buyer and seller regarding the company's success after the sale
Reduction of the required equity capital upon purchase
Bridging valuation gaps, especially in uncertain times

Disadvantages:

Complex calculations and potential for disputes
Seller may attempt to retain influence beyond the point of handover
Increased complexity in management and reporting following the acquisition

Vendor loan:
The seller grants the buyer a loan that is repaid over a defined period – usually subordinate to bank loans.

Advantages:

Reduces the need for external financing
Signals the seller's confidence in the business
Flexible negotiation options (interest rate, term, repayment)

Disadvantages:

Seller remains financially involved, which can influence negotiations
Often regarded by banks as "quasi equity" and influences leverage ratios
Repayment obligations can put pressure on liquidity

Further models:

Deposit with deferred instalments
Seller retains an equity stake (equity roll-over)
Success-based payments tied to specific milestones (e.g. customer acquisition, product launch)

This already illustrates that the choice of structure is closely linked to company valuation and the available financing options.

Negotiating Performance Components

Performance-dependent elements such as earn-outs must be clearly defined and carefully negotiated:

Important steps:

Define clear, measurable KPIs (e.g. audited EBITDA, revenue, customer churn)
Agree on a measurement period (typically 1–3 years)
Define standards for reporting and dispute resolution
Define upper and lower limits as well as minimum targets

Best Practices:

Have financial KPIs confirmed by independent auditors
Avoid complex formulas to prevent disputes
Ensure transparency and regular communication between buyer and seller

Tip:
Earn-outs work best when there is mutual trust and the seller remains involved during the transition period.

What banks accept – and what they don't

Banks are fundamentally conservative when it comes to evaluating deal structures:

Accepted:

Vendor loan as subordinated debt (improves the equity ratio)
Appropriate earn-out components (financing typically covers only the fixed purchase price)
Clear, transparent contract terms and robust documentation

Not accepted:

Earn-out portion too high (>30–40% of the total purchase price)
Highly leveraged structures with excessive payment deferrals
Unclear or informal agreements that complicate collateralisation and risk assessment

Practical insight:
Banks prefer transactions with a solid equity base, transparent cash flows and calculable risk. Seller loans can improve the buyer's equity ratio, but only if they are clearly subordinated by contract. Buyers must also always factor the costs of a business acquisition into their overall financial planning.

Impact on Risk, Cash Flow and Control

Risk:
Earn-outs and seller loans distribute risk between buyer and seller, reducing the upfront burden for the buyer. Deferred components motivate the seller to actively support the handover process.

Cashflow:
A lower down payment and staggered payments ease liquidity pressures at the outset. However, future payments (earn-out, loan repayment) must be carefully planned and assessed for financial viability.

Control:
Earn-outs can result in the seller retaining ongoing influence – which may be beneficial for knowledge transfer, but counterproductive if it leads to micromanagement. Buyers should ensure that full operational control passes to them upon handover.

How different structures affect the balance sheet and cash flow is revealed through Financial Due Diligence.

Strategic consideration:
The optimal deal structure balances the interests of all parties, secures financing, and allows sufficient flexibility for growth and integration – particularly in the first 100 days following a business acquisition, when the foundations for long-term success are laid.

Conclusion

There is no universal solution for deal structure. The right combination of earn-out, vendor loan, and fixed payment depends on the business model, the financing environment, and the risk appetite of both parties. Professional negotiation, clear documentation, and the early involvement of banks and legal advisers are essential for a sustainable, conflict-free acquisition.