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William Kontaxis

BBus, JD, MTax

Partner - Sydney

Areas of Expertise

Corporate & Commercial Law, Mergers and Acquisitions, Finance, Corporate Restructuring and Insolvency

Contact William

+61 2 8083 0481 william.kontaxis@holdingredlich.com Connect

Expertise

William is a partner in our corporate transactions team, specialising in mergers and acquisitions, finance transactions and corporate advisory. He is a commercially-focused problem solver and takes a genuine interest in his clients’ businesses. 

William’s expertise includes:

  • mergers and acquisitions
  • corporate structuring
  • private capital raisings
  • private lending and security arrangements
  • finance facilities
  • funds management
  • shareholder and joint venture agreements
  • commercial agreements.

Experience

William’s experience includes:

Mergers & Acquisitions

  • advising one of Australia’s biggest independent hydraulics and water business on a majority sale to Allegro Funds and various subsequent bolt-ons
  • advising Regional Radiology Group on its sale to I-MED Radiology, a medical imaging and radiology clinic network
  • advising the Australian subsidiary of a Canadian-listed health and wellbeing business on various strategic acquisitions in Australia
  • advising multiple franchised retail store owners across Australia on sales of majority stakes to the Metcash-backed franchisor
  • advising a leading marine supply and logistics business on its sale to Superior Food Group (backed by Quadrant Private Equity)
  • advising the owners of a market-leading Australian pharmaceutical product on the sale of its business to a NZ-listed buyer
  • advising a global renewable energy business on a substantial investment in an Australian energy software company.

Banking and finance

  • advising a well-known private lender on its acquisition, refinance and construction loans in the property sector
  • advising an ASX-listed marketing and communications business on a $40+ million finance facility from a Big 4 bank
  • advising a leading FMCG business on a $50+ million finance facility from a Big 4 bank
  • advising a property developer on a $100+ million finance facility from an overseas lender
  • advising a leading property developer on multiple acquisition and refinance facilities from various private lenders.

Corporate

  • advising on the establishment of a managed investment scheme for a property developer
  • advising a prominent gemstone dealer on a share buy-back and share subdivision 
  • advising the major investor on the establishment of a joint-venture for the launch of an innovative online business.

Membership

Law Society of New South Wales

Publications

18 October 2023 - Knowledge

NSW Government Bulletin: NSW mandatory data breach notification obligations coming soon

#Government, #Data & Privacy

From 28 November 2023, amendments to the Privacy and Personal Information Protection Act 1998 (NSW) will introduce a mandatory data breach notification scheme for all public sector agencies in NSW. We explain the scheme and how agencies can prepare.

20 September 2023 - Knowledge

NSW Budget 2023/24 – tax and duty changes revealed

#Property, Planning & Development, #Taxation, #Corporate & Commercial Law

The NSW Government has announced a number of changes to the Duties Act 1997 and Land Tax Management Act 1956 as part of its 23/24 Budget. The changes predominantly affect restructures of corporate entities and private unit trusts and are expected to deliver to the Budget $958.5 million over four years.

Upcoming Seminars

14 Aug 25 - Brisbane

Tick Tock – limitation periods, time bars & other contractual traps

Limitation periods may not be the most glamorous part of a project, but getting them wrong can have serious consequences. In this practical session, our Construction, Infrastructure and Projects team will unpack the key timeframes and legal traps every project stakeholder should be aware of. Whether you’re drafting contracts, managing claims, or planning risk strategy, this session will help you stay on the front foot. Join us for a focused and practical discussion designed to clarify complex legal concepts and their real-world implications.

Register now

14 Aug 25 to 04 Dec 25 - Brisbane

Brisbane Construction, Infrastructure & Projects seminar series 2025

We are pleased to invite you to the return of our Construction, Infrastructure & Projects seminar series where we’ll explore key legal developments and practical strategies shaping the construction industry in 2025. This year’s series brings together leading experts to unpack complex legal issues and provide insights to help you navigate challenges with clarity and confidence.Whether you're involved in project delivery, risk management, legal strategy or safety, this series offers valuable takeaways to apply in your day-to-day work.

Register now

18 Sep 25 - Brisbane

Security on construction projects – choosing the right form & navigating recourse

Security is a fundamental part of risk management on construction projects—but not all forms of security are created equal. In this session, our Construction, Infrastructure and Projects team will unpack the different types of security commonly used in construction contracts, including bank guarantees, cash retention, and alternative forms. Whether you're reviewing contracts or facing a security dispute, this seminar will provide practical insights to help protect your position and reduce risk.

Register now

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