1970年に秋山孝、後藤達也、濱田暁生によって札幌で創設以来、北海道を中心に建築設計の活動を続けてきた。事務所開設当初は住宅やインテリアの仕事が中心であったが、1980年代以降徐々に公共的な建築を手がける機会を増やし現在に至る。手がけた作品は様々な評価を与えられてきた。日本建築学会作品選奨4作品、日本建築学会作品選集25作品、公共建築賞国土交通大臣表彰／優秀賞13作品、JIA環境建築賞などがあり、また地域の賞としては北海道建築賞／奨励賞を14作品、北海道赤レンガ建築賞／奨励賞を11作品受賞している。2013年、2022年には個展を開催し、また2014年に作品集『Atelier BNK 2000-2014』を、2022年に作品集『Atelier BNK 2014-2022』を出版した。（出版：建築画報社）

Based in Hokkaido, Atelier BNK has been actively working in architectural design since Takashi Akiyama, Tatsuya Goto, and Akio Hamada founded the studio in Sapporo in 1970. Initially, the design studio mainly worked on residential houses and interiors, although opportunities to work on public buildings gradually increased from the 1980s until the present day. The works of BNK has been praised from various quarters. Four of its works have received the AIJ Annual Architectural Design Commendation, 25 works have appeared in the Selected Architectural Designs of AIJ, 13 have won the Public Building Award/Excellence Prize, and one has won the JIA Sustainable Architecture Award, among other awards. For regional prizes, 14 works received the Hokkaido Architecture Award/Encouragement Award, while eleven other works received the Hokkaido Red Brick Architecture Award/Encouragement Award. BNK has also held exhibitions in 2013 and 2022, as well as published a collection of works called “Atelier BNK 2000–2014” in 2014, and “Atelier BNK 2014–2022” in 2022 . ( published by Kenchiku Gahou Inc. )