Working in St. Louis Exceptional people join McKinsey’s St. Louis office from across the United States and the world, attracted by our sense of community, breadth of client work, and focus on mentorship and continuous learning. St. Louis offers world-class amenities with the charm and ease of a smaller city. In particular, colleagues appreciate its central geographic location, schools and university systems, vibrant dining and arts scene, cost-of-living, and family-focused culture, all of which make it an ideal place to live and work.