2009
- February
- Opened "Alice hair salon" (former brand of Agu.) in Toshima-ku, Tokyo
2011
- January
- Established "LOINESS Co., Ltd" (current: consolidated subsidiary) in Shibuya-ku, Tokyo, with the aim of operating a chain of directly managed beauty salons Established B-first Co., Ltd
- May
- Launched suburban stores
- December
- Established "B-first Co., Ltd" (current: consolidated subsidiary) in Shibuya-ku, Tokyo as the franchise headquarters of Agu.hair Group
2013
- January
- B-first Co., Ltd started franchise development
2015
- November
- Changed the trade name from "Alice hair salon" to "Agu."
2016
- August
- Opened 100th franchise store
2018
- February
- Established the Company "AB&Company Co., Ltd" in Minato-ku, Tokyo as a holding company for a group of business beauty salon chain operators
- March
- Capital alliance with CLSA Capital Partners
- August
- "B-first Co., Ltd" made KEN. LABO Co., Ltd its wholly owned subsidiary through acquisition of shares
2019
- April
- Relocated the headquarters to Shinjuku-ku, Tokyo
Relocated the headquarters of Loiness Co., Ltd and B-first Co., Ltd to Shinjuku-ku - November
- Directly managed stores and franchised stores expanded to 47 prefectures
2020
- August
- Reached 500 directly managed stores and franchised stores in total
2021
- April
- Reached 600 directly managed stores and franchised stores in total
- November
- AB&Company Co., Ltd listed on Tokyo Stock Exchange Mothers（Securities code:9251)
2022
- March
- Reached 700 directly managed stores and franchised stores in total