Mergers and Acquisitions (M&A) Clean Room is a term used to describe a secure environment used by two companies involved in a merger or acquisition. It is a secure physical or virtual space where confidential information is shared between the two companies in order to facilitate the merger or acquisition process. The clean room environment is designed to protect confidential information from being accessed by unauthorized personnel. It is also designed to ensure that the two companies involved in the transaction are able to conduct their negotiations in a secure and confidential manner. The clean room is typically staffed by personnel from both companies, and is subject to strict security protocols. The clean room environment is designed to ensure that the two companies involved in the transaction are able to negotiate and complete the transaction in a secure and confidential manner.