Unfortunately, I couldn't find specific information about Thirdexpert Management & Consulting from the provided search results. However, based on typical management consulting firms, they likely offer strategic advice and services to businesses. Their target audience might include organizations seeking operational improvements or strategic guidance. Without specific details, it's challenging to pinpoint their unique selling proposition (USP), but it could involve specialized expertise or innovative consulting methodologies. For precise information, visiting their website or LinkedIn page might provide more insights.