United States $94 Billion Private Equity Firm Advent International to Buy Japan Nursing Care Provider Japan Well-being for $1.2 Billion (JPY 200 Billion, Include Debt) from South Korea $33 Billion Private Equity Firm MBK Partners in All-Cash Deal, Japan Well-being Formed in 2022 from Merger of Tsukui & SOYOKAZE
27th June 2026 | Hong Kong
United States private equity firm Advent International ($94 billion AUM) has announced to buy Japan nursing care provider Japan Well-being for $1.2 billion (JPY 200 billion, include debt) from South Korea private equity firm MBK Partners ($33 billion AUM) in all-cash deal. Japan Well-being was formed in 2022 from merger of Tsukui & SOYOKAZE. Japan Well-being – Japan Wellbeing Corp. (JWB) is one of the largest providers of home care services in Japan, with an extensive network. Formed through the combination of Tsukui Corporation, a leading day care provider founded in 1969, and Soyokaze (formerly Unimat Retirement Community), a leading short-stay operator established in 1975, JWB offers a comprehensive suite of services including day care, short-stay residential care, group homes, in-home nursing and care management. Headquartered in Tokyo and Kanagawa, the company operates more than 1,100 locations across Japan and serves approximately 110,000 users each month. Advent International – Advent is a leading global private equity investor committed to working in partnership with management teams, entrepreneurs, and founders to help transform businesses. With 17 offices across five continents, we oversee more than USD $94 billion in assets under management* and have made 451 investments across 45 countries. MBK Partners – Founded in 2005 by financier Michael B. Kim, MBK Partners is North Asia’s largest independent private equity firm with $33 billion in capital under management. The firm has an exclusive focus on the Korean, Japanese and Chinese markets. This regional knowledge enables the firm to navigate challenges that other global investors might struggle to manage.
“ United States $94 Billion Private Equity Firm Advent International to Buy Japan Nursing Care Provider Japan Well-being for $1.2 Billion (JPY 200 Billion, Include Debt) from South Korea $33 Billion Private Equity Firm MBK Partners in All-Cash Deal, Japan Well-being Formed in 2022 from Merger of Tsukui & SOYOKAZE “
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United States $94 Billion Private Equity Firm Advent International to Buy Japan Nursing Care Provider Japan Well-being for $1.2 Billion (JPY 200 Billion, Include Debt) from South Korea $33 Billion Private Equity Firm MBK Partners in All-Cash Deal, Japan Well-being Formed in 2022 from Merger of Tsukui & SOYOKAZE
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