One Equity Partners (OEP) has completed the sale of Walki Group Oy, a European supplier of packaging and engineered materials solutions, to Japanese paper products technology company Oji Group.

According to a press release, during its ownership of Walki, OEP supported the company's growth by enabling the execution of acquisitions, which strengthened its market position and broadened its product offering.

In a statement, Leif Frilund, CEO of Walki, said: "OEP’s expertise has been instrumental in the company’s ability to grow organically and through transformational M&A, while maintaining a focus on environmental sustainability. OEP was key in preparing Walki for its next chapter under Oji Group.”