International organizations are usually characterized by having a parent company and multi-sites. Microsoft Dynamics is a perfect fit for this organizations and Arquiconsult have done many projects with this scenario.
Is one solution available to serve the different requirements of your local sites? In a multi-site and international deployment, it makes sense to standardize on one solution across the countries where the solution is available.
Pipol, the most extensive alliance of Microsoft Dynamics Partners, holds annual meeting in Lisbon, which brings together members from all over the globe, with Arquiconsult's collaboration.