Attorney-client privilege extends to anyone who is necessary for the communication. The core question is whether the primary purpose of the consultant's work is legal rather than primarily to further business interests.The principle that the attorney-client privilege attaches to third-party consultants also has been applied to representatives of the attorney, such as. Below we offer best practices to ensure that privileged communications with contractors can be protected. The attorney-client privilege is waived when the communication is made in the presence of, or communicated to, a third party. In consulting with other members of the system, you should emphasize the points highlighted in the attached guidance regarding the. Company's determination. The attorneyclient privilege means that certain communications between the attorney and the expert will not be disclosed to the other side. The attorneyclient privilege protects confidential communications between an attorney and client for the purpose of giving or receiving legal advice. In Colorado, the attorney–client privilege can protect communica- tions between an attorney and an expert who serves as the attorney's agent.