head office relocation; headquarter shift
Refers to the act of moving a company's main office to a different location. Often used in business news and corporate announcements.
Our address will change next month due to the head office relocation.
Some departments were closed as a result of the head office relocation.
移転 is the general term for 'relocation' or 'moving', while 本社移転 specifically refers to the relocation of a company's headquarters.
本社 means 'head office' or 'headquarters'. 本社移転 combines it with 移転 to form a compound noun.
Compound of 本社 (head office) and 移転 (relocation). Both components are Sino-Japanese words.