Space One

SPACE ONE CO., LTD.
Native name	スペースワン株式会社
Company type	Private KK
Industry	Space industry
Predecessor	New Generation Small Rocket Development Planning Co., Ltd.
Founded	19 July 2017 (de jure) ; 2 July 2018 (de facto)
Headquarters	Landmark Shibakoen 6F, 1-2-6 Shibakoen, Minato-ku, Tokyo ; 105-0011 Japan
Number of locations	Tokyo Office; Spaceport Kii;
Area served	Japan
Key people	Masakazu Toyoda (President)
Products	Launch vehicles
Services	Commercial space transportation services
Owner	Canon Electronics; IHI Aerospace; Shimizu Corporation; Development Bank of Japan; Kiyo Bank; K4 Ventures; Taiyo Group; MUFG Bank; Azuma House; Okuwa;
Website	www.space-one.co.jp/index_e.html

SPACE ONE CO., LTD. (Japanese: スペースワン株式会社, Hepburn: Supēsuwan Kabushikigaisha; Corporate Number: 8010401132607), or Space One (スペースワン), is a Japanese aerospace manufacturer, orbital launch service provider, and spaceport operator. It is a private spaceflight company developing and operating the KAIROS orbital launch vehicle for small satellite launches; KAIROS flew its unsuccessful maiden flight in March 2024. The company was founded by investments from Canon Electronics (a listed subsidiary of Canon), IHI Aerospace (a subsidiary of IHI Corporation), Shimizu Corporation and the Development Bank of Japan in July 2018.