Colleen Hanley > Twenty Essex > London, England > Lawyer Profile

Twenty Essex

Work Department

  • Commercial law and arbitration law
  • EU and UK competition law
  • Shipping


Colleen is recommended as a leading junior for both shipping and commodities disputes.

She specialises in commercial law with a particular focus on dry shipping, commodities and international arbitration. Colleen appears regularly before the Commercial Court and arbitration tribunals in disputes involving the international sale of goods, charterparty construction, cargo claims, energy claims and jurisdictional issues. She regularly advises and acts for shipowners’ defence clubs and is happy to accept direct instructions. Colleen has acted for some of the world’s largest commodity traders in sale of goods disputes and has particular expertise in oil and gas sale disputes. She has also advised in superyacht disputes.

Colleen has worked in-house at the Nordisk Shipowners’ Defence Club in Oslo, where she gained a unique understanding of the day-to-day legal issues affecting shipowners. During 2007 she worked in-house in the anti-trust department of the Washington DC office of Morgan Lewis Bockius LLP assisting in part with the marine hose dispute. Colleen also worked as a Visiting Fellow on Capitol Hill assisting the staff teams of a prominent senator and a well-known congressman.

She has considerable expertise in UK and European competition law. From 2008 to 2009 she was the Principal Legal Adviser at Ofgem with responsibility for all competition law matters, as well as advising on public and regulatory law issues. She has since advised several government bodies.

Colleen also sits regularly as an arbitrator. She is a member of the LCIA, a supporting member of the LMAA and a member of Arbitration Ireland.


Called to bar 2003 (Inner Temple) (bursary scholar). Founder member of the London Irish Lawyers Association. Pegasus Scholar in Washington DC 2007-2008.


German (fluent); Irish (fluent); French (proficient); Italian (basic)


  • Arbitration Ireland
  • London Irish Lawyers Association: Founding Member
  • LMAA: Supporting Member


  • University of Munich: Zertifikat in German law, “Eins” (highest possible grade)
  • European University Institute Florence, Italy: LLM (Masters in laws) in European, International and Comparative law
  • University of Oxford, Somerville College: BA in Jurisprudence (Law with German Law), First Class

Lawyer Rankings

London Bar > Shipping

(Leading Juniors)Ranked: Tier 2

Colleen HanleyTwenty Essex ‘She approaches her work in a straightforward, decisive manner but with attention to detail and a keen understanding of commercial aspects, which makes working with her an efficient, as well as helpful, process.’

London Bar > Commodities

(Leading Juniors)Ranked: Tier 2

Colleen HanleyTwenty Essex ‘Very approachable and responsive, she has a collaborative approach, sound legal knowledge and an open mind.’