Bain Capital Partners LLC is offering 51.4 billion yen ($501 million) for Macromill Inc.

Tokyo-based Macromill provides Internet research services in Japan, including marketing research and database services.

Bain has made several investments in Japan, including Domino’s Pizza Japan, Skylark Co. Ltd., and Jupiter Shop Channel Co. Ltd. On Dec. 10, the Boston-based firm announced it was buying a stake in Canada Goose, an outerwear company based in Toronto. 

In November, the firm sold software company Applied Systems Inc. to Hellman & Friedman LLC for $1.8 billion. 

TMI Associates is Macromill’s legal counsel. Ropes & Gray LLP and Mori Hamada are Bain’s legal counsel.

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