Mary Cecilia Sweeney

Attorney

Sector: US Immigration
Location: London

MC is an attorney with the US team in London. Her practice areas include advising and preparing all categories of non-immigrant and immigrant cases, with particular emphasis on L-1 intra-company transfers and Blanket petitions, E-1 and E-2 treaty investors, O-1 persons with extraordinary ability, waivers of inadmissibility, EB-1 and family-based green cards. MC also advises on US citizenship matters including renunciation. Before joining LDI, she specialized in US litigation as a partner with boutique law firm Kaplan Landau LLP in New York.

History
2021-present – Laura Devine Immigration, London
2008-2017 – Kaplan & Landau LLP, New York
2006-2008 – Sullivan & Worcester LLP, New York
2003-2006 – Weil, Gotshal & Manges LLP, New York

Education
2004 – Admitted to the U.S. Federal Courts of the Eastern and Southern Districts of New York
2004 – Admitted to State Bar of New York
1999-2003 – Juris Doctorate, Fordham University School of Law, New York

Latest Insights


Zeena Luchowa comments in The Independent on dual nationals entering the UK via Ireland following enforcement of ETA scheme

Zeena Luchowa (Partner) has been quoted in The Independent in an article by Simon Calder examining the practical impact of the UK’s Electronic Travel…

Laura Devine Immigration wins gold at the Citywealth Powerwoman Awards International 2026

We are delighted to announce that Laura Devine Immigration has won Gold at the Organisation of the Year – Female Leadership category at the 2026…

Zeena Luchowa quoted in The Guardian regarding new rules preventing British dual nationals travelling to the UK without a British passport

Partner Zeena Luchowa has been quoted in The Guardian in an article regarding the impact of new rules requiring dual British nationals to travel to…

Laura Devine Solicitors Limited trading as Laura Devine Immigration is registered in England and Wales as a limited company (8651204) at 100 Cannon Street, London EC4N 6EU. Partner is a term used by us to describe a director in the limited company. Authorised and regulated by the Solicitors Regulation Authority (648320).

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