Providence Equity Partners, a private equity firm specialising in growth-focused investments across media, communications, education, and technology, has acquired Tax Systems, a provider of global tax and accounting software, from mid-market investor Bowmark Capital.

Central Europe-based investor MidEuropa has sold Regina Maria Group, Romania’s leading private healthcare network, to Mehiläinen, Finland’s largest private healthcare provider. The deal, which also includes MediGroup in Serbia, represents the largest healthcare services transaction in Central Europe to date.

Color Wow, the high-growth haircare brand founded by industry veteran Gail Federici, is exploring a potential sale that could value the company at approximately $1bn, according to a Reuters report citing sources familiar with the matter.

As the popularity of South Korean cosmetics continues to soar in the US, the world’s largest beauty market, personal care startups in the East Asian nation are experiencing a surge in dealmaking activity, according to a report by Bloomberg.

New York-based private investment firm SK Capital Partners has made a strategic investment in Spectrum Vascular, a provider of vascular access and medication management products designed to reduce health care-acquired infections.

CBPE Capital has acquired a majority stake in Tetra Consulting, a provider of property risk management services and software, in partnership with Tetra’s management team. The financial terms of the transaction have not been disclosed.

Bain-backed UK home and motor insurer Esure Group anticipates further growth following a £200m ($258m) transformation initiative, according to a report by Bloomberg citing Chief Executive Officer David McMillan.

AS Healthcare Advanced Synthesis, backed by 65 Equity Partners, has acquired a stake in Cerbios-Pharma, a global manufacturer of chemical and biological active pharmaceutical ingredients, including those for antibody-drug conjugates.