March is a member of a number of agency networks that enable the delivery of integrated international PR and marketing campaigns on a worldwide basis.

Bandwidth is a global network of 18 like-minded PR companies established by London-based Band & Brown Communications, part of the Cossette Communications Group, to deliver international PR or single country campaigns with passion and flair.

First PR Network is a global group of independent, full-service PR and marketing communications agencies with a proven track record of delivering exceptional results for clients every time.

GlobalCom PR-Network is a comprehensive group of local best of breed PR and marketing agencies from all over the World. The network spans all member states of the European Union and extends to Latin America, India, China, Japan, South Africa and the Russian Federation.

ION is an international PR network established by Octopus and Rocket.