Aoife O’Sullivan

Aoife structures and negotiates complex finance lease arrangements for aircraft, ensuring optimal commercial, tax, and regulatory outcomes for financiers, lessors, airlines, and corporate operators in multi-jurisdictional transactions. 

• Incorporating a new aircraft finance business operating out of ADGM and specialising in financing corporate aircraft. The fund raising round will begin early 2026 when the first three deals have been completed. 

• Advising lessees on finance and operating leases granting underlying security and guarantees, and perfection of the security on the International Registry (Cape Town Convention). 

• PDP finance on the acquisition of a new aircraft from the manufacturer, with stage payments over the build of the aircraft. Negotiation of associated engine warranties and programs. 

Aoife guides buyers and sellers through the acquisition and sale process of aircraft, engines, and parts. 

• Advised on transactions worth over USD1.5bn in asset value in the past year alone. 

• Project-manages the acquisition or sale of private and corporate pre-owned aircraft often involving 6–8 jurisdictions, aircraft registries, operators, brokers and financiers as tax-efficiently as possible. 

• Acts for UHNW clients and corporates in the acquisition of new aircraft, from green aircraft delivery through to interior completion contracts and build. 

Aoife has been actively involved in the aviation industry, assuming board–level responsibility. 

• Board member responsible to help raise USD1.3bn for a manufacturer planning to build supersonic aircraft.  

• Chair of the British Business and General Aviation Association (BBGA).  

• Advisory member of The Hague CAA, a non-profit and modern specialised court of arbitration and centre for mediation for the global aviation industry seated in The Hague, Netherlands. 

Aoife advises on private, corporate, and commercial aviation matters, including aircraft acquisitions, regulatory compliance, and operational structuring for airlines, lessors, financiers, and private owners across global markets.

• Advised on transactions worth over USD1.5bn in asset value in the past year alone 

• Project-manages the acquisition or sale of private and corporate pre-owned aircraft often involving 6–8 jurisdictions, aircraft registries, operators, brokers and financiers as tax efficiently as possible. 

• Acts for UHNW clients and corporates in the acquisition of new aircraft, from green aircraft delivery through to interior completion contracts and build. 

• Incorporating a new aircraft finance business operating out of ADGM and specialising in financing corporate aircraft. The fund raising round will begin early 2026 when the first three deals have been completed. 

• Advising lessees on finance and operating leases granting underlying security and guarantees, and perfection of the security on the International Registry (Cape Town Convention). 

• PDP finance on the acquisition of a new aircraft from the manufacturer, with stage payments over the build of the aircraft. Negotiation of associated engine warranties and programs. 

Recognised by Chambers High Net Worth Guide for Band 1: Private Aircraft 2026 

Recommended Lawyer in The Spear’s 500 Aviation & Yachts Law Index 2025   

Recommended in Lexology Index: Transport 2025  

Thought Leaders – Transport 2025 

Named in Euromoney’s “Women in Business Law – Aviation” 2022 

EBACE Top Ten Leaders – listed by Aviation Week as one of the Top 10 Leaders of European Business Aviation 

“Aoife is well known in the industry and very respected.” Chambers UK 2026 

Chair and Board Member of BBGA  

Previous Chair of Finance and Leasing Group EBAA  

Fellow of the Royal Aeronautical Society (FRAeS) 

Member of The Royal Air Force Club