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Your partner in Concentration Control

Based on European merger control rules, planned mergers, acquisitions and some types of joint ventures, where the companies involved exceed certain turnover thresholds, are subject to prior supervision by the European Commission. If the turnovers of the companies involved do not exceed these European thresholds, the transaction may be subject to the supervision of one or more national authorities, such as the Authority Consumer & Market (ACM). If the merger or acquisition involves a 'healthcare provider', there may be a duty to report to the Dutch Healthcare Authority (NZa).

It is prohibited to effect a transaction subject to merger control before approval has been obtained from the competent regulator(s). Companies that do not comply with the merger rules risk high fines and may be required to (partially) undo their transaction.

Is your organisation involved in a transaction that changes the control of a company? Then, given the far-reaching consequences, it is very important to pay attention to competition law at an early stage. Please note that outsourcing a department may also qualify as a concentration requiring notification under certain circumstances.

The information provided in the context of a merger notification must be complete and accurate. If the notification is incomplete, the regulator may decide not to process the notification or request a supplement. The deadline for making a decision (four weeks in the case of an ACM notification) will be suspended at that point, delaying the intended transaction. In addition to loss of time, providing incorrect or incomplete information may, under certain circumstances, result in an administrative fine. Our specialists have extensive experience in advising and assisting companies in notification processes with the European Commission, the ACM and the NZa. With timely involvement, we can prevent you from unpleasant surprises.

Frequently asked questions about Concentration Control

A transaction must be reported to ACM if the combined global turnover exceeds €150 million and at least two of the companies involved each have a turnover of more than €30 million in the Netherlands. For merger control purposes, all group companies are included in the calculation, and turnover refers to the last full financial year prior to the transaction. Since 2024, transactions below the thresholds can also be referred via Article 22 referrals.
The ACM has 25 working days to make an initial decision (phase I). If there are no competition concerns, approval is granted. In case of doubt, a detailed investigation (phase II) may follow, which lasts a maximum of 13 weeks. Merger control procedures at the European Commission have similar time limits: 25 working days (phase I) and 90 working days (phase II). The ACM's new intake form can speed up the process.
Het doorvoeren van een meldingsplichtige concentratie zonder goedkeuring is verboden (gun-jumping) en kan leiden tot boetes tot 10% van de wereldwijde jaaromzet. Daarnaast kan de ACM of Europese Commissie eisen dat de transactie ongedaan wordt gemaakt, wat zeer kostbaar en praktisch complex is voor alle betrokken partijen. Gun-jumping blijft op de radar van toezichthouders wereldwijd.
Since 2023, the Vifo Act (security assessment) has been in force in the Netherlands in parallel with merger control. FDI screening focuses on national security and public order, especially in the case of Chinese, Russian and other strategic foreign investments. Transactions may require both concentration control and FDI approval, with different procedures, timing and criteria. This applies in particular to technology, infrastructure and defence-related sectors.
Tech mergers are increasingly being assessed for their "killer acquisition" effects, data concentration and algorithm dominance. The European Commission can also assess tech acquisitions below the thresholds via Article 22 referrals. Concentration control in the digital economy looks at network effects, data as a competitive parameter, and innovation effects. Google/Fitbit and Microsoft/Activision demonstrated the new approach, in which data collection and ecosystem effects are central to the concentration control analysis.
 
 
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