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Advent buys Japan Wellbeing from MBK in first Japan deal

The US buyout firm enters Japan with a bet on home care for the world's oldest population, weeks after opening a Tokyo office.

M&A News deals deskHealthcare / Elderly care · Japan, Asia-Pacific25 Jun 2026

Advent International agreed on 25 June to acquire Japan Wellbeing Corp., a home care group headquartered in Tokyo and Kanagawa, from South Korea's MBK Partners.

Japan Wellbeing Corp. (Tsukui) website: corp.tsukui.net

Why Advent International is buying Japan Wellbeing Corp.

Advent said it would work with management on targeted facility expansion to extend JWB's national reach, and invest in staff development, operational practices and technology. Japan's head of Advent said JWB was well positioned to become the country's leading integrated home care provider.

Deal terms and financing

Advent did not disclose terms. Caproasia reported an all-cash deal of about ¥200bn, or US$1.2bn, including debt.

Regulatory approvals and timing

Closing was expected in the third quarter of 2026, subject to customary regulatory approvals.

Market context

JWB offers day care, short-stay residential care, group homes, in-home nursing and care management. It brings together Tsukui, founded in 1969, and Soyokaze, formerly Unimat Retirement Community, established in 1975.

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