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January 24, 2026
Milbank Advises Amber Infrastructure on Strategic Combination with Boyd Watterson

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AI-made summary
- Milbank LLP advised Amber Infrastructure Group on its strategic combination with Boyd Watterson Asset Management under a common parent company, pending customary consent processes, UK FCA consent, and other regulatory approvals
- The merged entity will operate as a diversified investment manager in real estate, infrastructure, and fixed income sectors, with over 300 investment personnel, offices in 12 countries, and approximately $35.7 billion in assets under management
- Both firms bring significant experience and assets to the new platform.
Milbank LLP advised Amber Infrastructure Group (âAmberâ) on the strategic combination of Amber Infrastructure Group Holdings Limited and Boyd Watterson Asset Management, LLC (âBoyd Wattersonâ) under a common parent company. The transaction will be subject to customary consent processes as well as UK FCA consent and other customary regulatory approvals. The transaction will create a premier diversified investment manager across the global real estate, infrastructure, and fixed income sectors with over 300 investment personnel, offices in 12 countries and approximately $35.7 billion in assets under management. The new entity is expected to provide clients, partners, and employees with significant benefits from the enhanced scale of the combined, global platform underpinned by a diversified revenue base, expanded product opportunities, and enhanced investment acumen. Founded in 2009 and headquartered in London, Amber is a specialist international investment manager focused on investment origination, asset management and fund management. Amber currently manages or advises nine funds with over £5 billion (c. $6 billion) in funds under management. Amber manages 175 infrastructure investments representing total assets under management of £14 billion (c.$17.5 billion). Amberâs core business focuses on managing infrastructure assets across the public, transport, energy, digital and demographic infrastructure sectors internationally. US-based Boyd Watterson, founded in 1928, has $18.2 billion in total assets under management across its real estate and fixed income investment portfolios. Lisa OâNeill, partner in Milbankâs Global Corporate practice said, âMilbank continues to advise on some of the most exciting and strategic transactions in the global infrastructure sector, and we are delighted to have been involved in this project.â The Milbank team was led by Global Corporate partner Lisa OâNeill and included Global Corporate partners John D. Franchini, James McClymont and Daniel Tyrrell. The team was supported by Global Corporate associates Gemma Cullen, Gary Chu, Lewis Whiteoak and Stephanie Winkler.
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