
'Arthur Cox's Carl O'Sullivan ... received plaudits from interviewees who “have had great experiences dealing with him”.'
Who's Who Legal: The International Who’s Who of Private Funds Lawyers, 2008
'Head of finance Carl O’Sullivan advises on a broad range of insurance regulatory matters and was commended for his “practical and business-oriented approach,'
Chambers Europe: Europe's Leading Lawyers for Business, 2008