Derryn Ruolle

Quadrant Private Equity Pty Ltd (QPE) is an independent mid-market private equity firm founded in 1996. The firm is headquartered in Sydney, Australia.

Grant Thornton Australia Ltd. provides audit, tax, and advisory services. It offers a range of services for private business clients in the areas of asset protection, exit strategies, taxation and regulatory compliance, financial and working capital modeling and management, strategic planning and assessment, structuring, succession and tax planning, transaction support and wealth management, and profit optimization. The firm also provides audit methodology and technology, business risk, operational consulting, recovery and reorganization, tax, and financial reporting advisory services for corporate companies. The company was founded in 2007 and is headquartered in Sydney, Australia.