Who is responsible in the period between signing and closing?

The period between signing and closing is a critical phase in any M&A transaction, when contractual obligations have been entered into but the transfer of ownership has not yet taken place. This interim period, typically lasting several weeks to months, requires careful management of responsibilities, risks and closing conditions.

For entrepreneurs and corporate development managers, it is essential to understand how this period is structured and which party is responsible for which aspects of the transaction. A clear division of responsibilities prevents disputes and maximises the chances of a successful closing.

What is the period between signing and closing in M&A transactions?

The signing-closing period is the time span between signing the final purchase agreement and the actual transfer of ownership. This period typically lasts from 4 to 12 weeks, depending on the complexity of the closing conditions and regulatory requirements.

During signing, all contractual obligations are fixed, but the seller retains ownership of the business. However, the buyer acquires specific rights to monitor compliance with agreements and verify closing conditions. This construction protects both parties from unforeseen developments that could affect the transaction value.

The length of this period is determined by factors such as works council consultation in companies with more than 50 employees, ACM approval in large transactions, buyer financing conditions and obtaining third-party consents for contract transfers.

Which party bears which responsibilities during the signing-closing period?

The seller retains operational control and bears primary responsibility for business operations in accordance with the provisions on the ordinary course of business. The buyer has monitoring and approval rights for material decisions that may affect the transaction value.

The seller's responsibilities include continuing normal business operations, complying with all contractual obligations, obtaining required consents from contracting parties and providing periodic reports to the buyer. In addition, the seller must submit deviations from normal operations to the buyer.

The buyer is responsible for fulfilling its own closing conditions, such as financing arrangements, obtaining regulatory approvals and performing additional verifications. The buyer also manages the process around third-party consents and prepares post-closing integration.

What are the biggest risks during the period between signing and closing?

The primary risks concern material deterioration in business performance, failure to achieve closing conditions and external factors that may disrupt the transaction. These risks can lead to price adjustments, renegotiations or even transaction termination.

Operational risks arise because the seller is constrained in strategic decisions while the buyer does not yet have full control. Key customers or employees may leave because of uncertainty about the transfer of ownership. Competitors may take advantage of the transition period to gain market share.

Financial risks manifest themselves in unexpected cost items, disappointing results or changes in working capital positions. At asset-liability transactions specific balance sheet movements may impact the final purchase price. Regulatory risks arise when approvals are delayed or conditions are imposed that affect the transaction structure.

How are closing conditions monitored and managed?

Closing conditions are systematically monitored through structured reporting, regular consultations between parties and continuous verification of contractual compliance. A closing checklist with specific deadlines and responsibilities forms the basis for effective management.

Monthly or weekly reports from the seller include financial results, operational developments and updates on outstanding closing conditions. The buyer usually has the right to request additional information and further investigate specific aspects if material discrepancies are found.

Professional advisers play a crucial role in monitoring progress. Lawyers manage regulatory processes and contractual compliance, while M&A advisers coordinate overall progress and manage escalations. This structured process maximises transparency and minimises the risk of last-minute complications.

What happens if closing conditions are not met?

Unmet closing conditions may lead to postponement of closing, renegotiation of terms, price adjustments or complete transaction termination, depending on the nature and materiality of the unmet condition and the contractual terms.

In case of material deterioration in business performance, buyers usually have the right to adjust the purchase price or terminate the transaction through Material Adverse Change clauses. Less material deviations can be addressed through escrow arrangements or specific warranties from the seller.

Regulatory delays usually lead to postponement of closing without fundamental changes to the transaction terms. Both parties remain bound by the agreement, but deadlines are adjusted. Upon final rejection of regulatory approval, the transaction can be terminated without compensation for either party.

What role do advisers play during the signing-closing period?

M&A advisers act as process coordinators who monitor progress, facilitate communication between parties and manage escalations when closing conditions are at risk. Their role evolves from negotiator to project manager ensuring the successful completion of the transaction.

During this period, advisers coordinate the cooperation between legal, tax and financial specialists. They manage the closing checklist, monitor critical deadlines and advise on tactical decisions that may affect the transaction. In case of disputes or differences in interpretation, they act as mediators between buyer and seller.

The added value of professional guidance manifests itself mainly in risk mitigation and process efficiency. Experienced advisers anticipate potential complications and develop proactive solutions. This shortens the signing-closing period and maximises the chances of a successful transaction completion.

A carefully managed signing-closing period is crucial for transaction success and requires specialised expertise in process management and risk mitigation. For entrepreneurs considering an M&A process, it is advisable to seek professional guidance early on. Take contact at for an analysis of your specific situation and the optimal approach for your transaction.

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