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Chaima Sliti


Chaima is a solicitor in the international department

Competition law

Chaima is an associate solicitor in the international & group litigation department. She currently works in the competition team where she focuses on complex competition claims brought on behalf of consumers, including a standalone opt-out case against large water and sewage companies in England. This is set to be the first ‘environmental’ collective action in the Competition Appeal Tribunal.

Chaima was previously involved in the first opt-out competition claim brought in the UK, the Gibson v. Pride Mobility case.

Chaima qualified in September 2022 after completing her training contact at Leigh Day. She completed her first seat in the clinical negligence department working on a wide variety of cases of serious injury, including birth injury, brain injury and psychiatric injuries.

Chaima completed her second seat in the human rights department assisting Sean Humber with individual and group data protection claims including against TalkTalk and the Ministry of Defence.

Chaima first started working at Leigh Day in 2015, when she joined as a paralegal in the international department. She worked on a number of cases, including the Iraqi Civil Litigation and the Vedanta Case.

Chaima is currently working on collective action claims against six water companies for allegedly abusing their dominant market position by underreporting the number of pollution incidents they cause, resulting in customers being overcharged. More information about the claims is available here


Chaima holds a Master’s degree in European and International Law, and an undergraduate degree in French Law. She also speaks French and Arabic.