Simpson Thacher & Bartlett and Mori Hamada & Matsumoto have advised Japanese waste management company Daiei Kankyo on its 43.3 billion yen ($325 million) IPO on the Tokyo Stock Exchange with Skadden, Arps, Slate, Meagher & Flom and Nagashima Ohno & Tsunematsu advising the underwriters.

The IPO was one of Japan’s biggest in 2022. Daiei Kankyo’s business covers the collection and transportation, intermediate treatment, recycling and final disposal of industrial and general waste from principally municipalities, manufacturers, general contractors and medical institutions. The company will invest the proceeds in expansion of its waste treatment facilities.

The Simpson Thacher team was led by partner Taki Saito in Tokyo, while the Nagashima Ohno team was led by partner Yuichi Miyashita.

The Skadden team was led by partner Kenji Taneda, and the MHM team was led by partners Katsumasa Suzuki, Katsuyuki Tainaka and Takafumi Goto.