ひと つぼ本社 ほんしゃではありませんでした
hitotsubo honshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 一坪本社

1. Was not a one-tatami-mat headquarters.; Was not a small headquarters.

Past/Perfective
Negative
Polite
Formal Register