It has no connection in either capital or human resources with a major department store Daimaru (the head office is in Osaka City) which is running Kyoto-mise (Kyoto Branch) at Shijotakakura-dori Street (about 400 meters to the west of Fujii Daimaru), nor with a stationery wholesale trading company Daimaru Fujii in Sapporo City.
四条高倉通（藤井大丸の西方約400m）に京都店（きょうとみせ）を構える百貨店大手の大丸（本社：大阪市）および札幌市にある文具卸商社の大丸藤井とは資本・人材共に無関係である。