
About Marcia
Marcia is a Partner in the Immigration Team with over 25 years’ experience advising businesses and individuals on UK immigration, nationality and global mobility matters.
Clients value Marcia’s pragmatic, commercial approach and her ability to find creative, effective solutions to complex immigration challenges. She works closely with a broad range of organisations — from multinational corporations to ambitious growing businesses — helping them navigate sponsor compliance, global mobility programmes, mergers and acquisitions, and strategic workforce planning. She also advises senior executives and high-net-worth individuals on their personal immigration needs.
Marcia is known for building lasting relationships with her clients, taking the time to understand their objectives and delivering practical, clear advice that addresses both immediate priorities and long-term goals. She has particular expertise in resolving difficult and high-stakes cases, including refused applications and situations where alternative immigration routes must be identified and pursued.
Marcia has also developed a specialist practice in the entertainment sector, advising clients on Global Talent visas and other immigration options for those seeking to perform or work in the UK.
A recognised thought leader in UK immigration law, Marcia regularly engages with the Home Office and government stakeholders on policy developments. She is a frequent speaker at industry conferences and delivers training to HR professionals on immigration compliance and best practice.
Marcia’s expertise is recognised by leading legal directories and industry publications, including Chambers UK, Legal 500, Spears 500 best immigration lawyers and Who’s Who Legal.
Insights from Marcia
Brexit: Five years on – A nation adrift
Can you dismiss a skilled worker who does not qualify for ILR (Indefinite Leave to Remain) when you thought they would?
Are you a creative worker looking to work in the UK?
Marcia Longdon becomes a Legal Services Are Great champion
Marcia Longdon appointed as the ABAs International Co-chair of the Immigration and Human Trafficking Committee
Marcia Longdon is part of the UK’s legal services trade mission to Nigeria

Connect with Marcia