iaises between two or more organizations to communicate and coordinate their activities on a matter of mutual concern. Generally, liaison officers are used for achieving the best utilization of resources, or employment of services of one organization by another. facilitating communication between two or more organisations or parties. You may find liaison officers working in the public relations department of a company. It is their role to communicate with the public or other organisations on behalf of their company or organisation. ygives the local Aboriginal community greater confidence and trust to engage with council.