Jisun Choi advises a wide range of clients, including multinational corporations in various industries, private equity funds and financial institutions, on international and U.K. corporate tax matters, with a particular transactional focus on mergers and acquisitions and group restructurings, as well as associated financings.
Choi’s practice involves structuring and advising on the tax aspects of:
- international group holding structures, including on joint ventures, the use of the U.K. as a holding company jurisdiction, and investment and asset management structures
- capital market transactions, including initial and secondary listings of equity and debt instruments, and return of value to shareholders
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Global Tax Lawyers | 2026 | M&A, Tax, Restructuring |
| The Inaugural Lawdragon 500 Leading Global Tax Lawyers | 2025 | M&A, Tax, Restructuring |
Notable transactional matters include advising:
Insurance and Reinsurance
- Starr Insurance on the acquisition of the IQUW Group, a leading Lloyd’s specialty insurer, reinsurer and managing agent, from Aquiline Capital Partners, Abry Partners LLC and management shareholders
- BlackRock as part of a consortium of investors, including Allianz and T&D Holdings, on the acquisition of Viridium Group, a leading European life insurance consolidation platform, at an enterprise value of €3.5 billion
- Oak Reinsurance on the establishment of a new Lloyd’s syndicate backed by Bain Capital
- Northlight Group LLP on the acquisition of Carrick Holdings Limited by one of Northlight’s managed funds
- Phoenix Group Holdings plc on its £2.93 billion acquisition of Standard Life Assurance and associated £950 million rights issue, as well as its proposed sale of Ark Life Assurance Company to Irish Life Group for €230 million
Retail, Leisure and Gaming
- The Travel Corporation Limited on its sale of TTC Travel Group Limited to funds advised by Apollo Global Management, Inc.
- Light & Wonder, Inc. (formerly Scientific Games Corporation) on the sale of its lottery business to Brookfield Business Partners for $6.05 billion and the sale of its sports betting business, OpenBet, to Endeavor for $800 million
Telecoms and Technology
- Axiata Group Berhad on:
- the $6.5 billion merger of XL Axiata and Smartfren Telecom, a subsidiary of Sinar Mas Group
- the $12 billion merger of Axiata’s and Telenor Asia Pte Ltd.’s respective Malaysian mobile operations, Celcom Axiata Berhad and Digi.com Berhad
- Vantiv, Inc. on its $10.4 billion acquisition of Worldpay Group plc. This deal was named ITR’s 2018 Americas Technology and Telecom Tax Deal of the Year
Pharmaceutical, Medical and Biotechnology
- Pfizer, Inc. on a joint venture combining the company’s and GlaxoSmithKline plc’s consumer health care businesses, with combined sales of approximately $12.7 billion
Private Equity and Financial and Professional Services
- Hg on:
- Hg and KKR’s recapitalization of The Citation Group, which involved a new investment by HarbourVest Partners
- the sale of a co-controlling stake in Azets AS to PAI Partners
- IRIS’s acquisition of Dext
- Litera’s acquisition of Peppermint Technology
- CME Group in connection with S&P Global and CME Group’s $3.1 billion sale of OSTTRA, a leading provider of post-trade solutions for the global OTC market, to investment funds managed by KKR, a leading global investment firm
Industrials
- Spirit AeroSystems in the divestiture of certain assets and sites involved in the production of Airbus aerostructures to Airbus SE and subsequent merger with The Boeing Company, with the merger valuing Spirit AeroSystems at $4.7 billion
- Noble Corporation plc and its subsidiaries on a restructuring of their debt in a Chapter 11 case in the U.S. Bankruptcy Court for the Southern District of Texas