A brief explanation of the Facility Management – Management System Standard (ISO41001) and Asset Management – Management System (ISO55001) differences and usefulness in working together is found in a brief document published by the ISO/TC251 Committee.
Visit the ISO/TC251 website and read the article or access it here (https://committee.iso.org/files/live/sites/tc251/files/guidance/ISO%20TC251%20WG4%20ISO%2055001%20and%20ISO%2041001%20EN.pdf)