I couldn't find specific information about "Idea Multilateral" from the provided URLs or search results. However, based on the name and typical multilateral organizations, it might engage in activities related to international development, finance, or cooperation. Without direct access to their website or LinkedIn page, it's challenging to determine their exact services, target audience, or unique selling proposition. Generally, multilateral organizations focus on supporting economic growth, social development, and global cooperation, often targeting governments, businesses, and communities in developing regions. Their unique selling proposition might involve facilitating international collaboration and resource mobilization.