Campaign Monitor is an enterprise marketing automation solution with extensive agency feature. It is suitable for users wanting to manage marketing campaign (and automation) for multiple organisations.
As such, it fits well with the enterprise structure of Salestrekker (Enterprise > Group > Branch).
To integrate, go to Enterprise account > Settings > 3rd Party Integrations and switch on 'Campaign Monitor'.
Add required credentials as per this image:
Campaign Monitor will be embedded into Salestrekker and available via 'Contacts' and Campaign Monitor button.
Campaign Monitor is available to CRM, broker tools and enterprise accounts.