UN:O is Seiwa Business's satellite office located in Otemachi, serving as a hub for broadcasting new concepts. As a space for connections that transcend organizational boundaries, it promotes collaboration with external partners and the creation of new projects. The office aims to be a place where a virtuous cycle naturally attracts interesting people, work, and ideas.



UN:O is associated with the acronym for UNITE and the set symbols ∪ and ∩.
The letter O stands for Otemachi.
The pronunciation Yuno is derived from the English slang You know?, implying a sense of empathy and mutual understanding.