liaison

maintain

The two departments maintain regular liaison to coordinate their marketing efforts effectively.

establish

The two departments decided to establish closer liaison to improve their communication.

in ~ with

The school organized the event in liaison with local parents and community leaders.

~ between

The teacher acts as a liaison between parents and the school to discuss student progress.

~ with

The marketing team maintains regular liaison with our international partners to coordinate campaigns.

have

The two companies had a liaison to discuss their new joint project.