Adamantem Capital

Adamantem Capital is a Sydney-based private equity firm established in 2016, focusing on mid-market investments in Australia and New Zealand. The firm manages over $2 billion in assets, deploying capital through two mid-market buyout funds and a lower mid-market environmental opportunities fund. Their investment strategy targets sectors such as consumer, healthcare, business services, and environmental themes like clean energy, electrification, and the circular economy. Adamantem Capital is committed to delivering exceptional financial returns alongside positive environmental, social, and governance outcomes. They actively engage with portfolio companies to drive emissions reduction, enhance diversity and inclusion, and address modern slavery and cybersecurity risks. The firm is a signatory to the United Nations Principles for Responsible Investing (UNPRI) and adheres to the UN Global Compact’s Ten Principles. Adamantem Capital is headquartered in Sydney, New South Wales, Australia, and employs a team of 35 professionals.

Adamantem Capital's approach emphasizes local expertise and established networks across Australia and New Zealand, enabling them to identify unique investment opportunities. Their distinctive approach to origination, value creation, and sustainability allows them to partner with management teams to transform businesses into more sustainable and valuable entities. The firm's name, 'Adamantem,' derived from Latin, symbolizes the intended strength of the firm, its investment platform, and the companies they partner with.

In March 2025, Adamantem Capital completed the acquisition of Mason Stevens, a wealth management platform, marking a significant expansion in their portfolio. This partnership aims to accelerate growth strategies and capitalize on Australia's rapidly growing high-net-worth sector. The acquisition reflects Adamantem Capital's commitment to scaling organizations across various sectors, including B2B and professional services. The firm continues to focus on responsible and impact investing, aligning financial returns with positive environmental and social outcomes.

Adamantem Capital's investment philosophy centers on taking control positions in mid-market companies, enabling them to influence responsible investing outcomes within their portfolio. Their focus areas include emissions reduction and climate risk, diversity and inclusion, modern slavery, and cybersecurity. The firm is a signatory to the UNPRI and committed to the UN Global Compact’s Ten Principles, underscoring their dedication to responsible investment practices.

Adamantem Capital's portfolio includes investments in companies such as Heritage Lifecare, a leading provider of residential aged care and retirement services in New Zealand; Hygain Holdings, a premium Australian horse feed producer; and Servian, a specialized data and analytics consultancy firm in Australia. These investments reflect the firm's strategy of partnering with management teams to drive growth and transformation in mid-market businesses across Australia and New Zealand.

Adamantem Capital's commitment to responsible investing is further demonstrated by their previous carbon-neutral certification under the Climate Active Carbon Neutral Standard, which they held from 2020 until 2023. This certification highlights their dedication to environmental sustainability and responsible business practices.

Adamantem Capital's approach to private equity investment is characterized by a comprehensive strategy that considers all external factors to build more sustainable and valuable businesses. By combining granular analysis with a focused strategy for growth, they turn complexity into opportunity, aiming to unleash the potential in businesses, people, and teams to deliver exceptional returns. Their values include making a difference, embracing opportunity, being curious, supporting each other, and enjoying what they do, reflecting a collaborative and purpose-driven culture within the firm.