Tweet London Marriott Hotel Grosvenor SquareGrosvenor Square, England, United Kingdom, W1K 6JP Go to Venue website Advertisements Upcoming events at this venueNo upcoming events at this venue. Why dont you add a conference (Free) and we'll promote it on our social networks. Want to give it a go? Click herePost navigationPrevious Previous post: Impact Factory | Professional Development | Training and CoursesNext Next post: voco Orchard Singapore, an IHG Hotel