Ffion Tomos

Call 2011

Ffion Tomos

Practice Overview

Ffion is a Category 4 Prosecutor and is a Member of the Rape and Serious Sexual Offences panel. She accepts instructions to represent both the Prosecution and Defence in respect of all criminal matters.

Ffion is a fluent Welsh speaker and is happy to conduct conferences and cases through the medium of Welsh.

Notable and Reported cases

  • Crime

    Operation Orbit (2020) – conspiracy to import heroin and cocaine. Case involving encrypted phones.
    • Operation Tagatose (2020) – conspiracy to import heroin. Case involving
    encrypted phones.
    • Operation Vermont (2020) – Junior Counsel prosecuting multi million pound class
    A drug conspiracy.
    • Operation Tide (2020) – Junior Counsel prosecuting cross-jurisdictional county
    lines drug conspiracy involving organised crime groups in Scotland, Merseyside and North Wales.
    • R v SH - Successfully prosecuted at trial case involving the rape of two children.
    • Operation Jackdaw 2 (2019) – Junior Counsel prosecuting multi million pound
    heroin conspiracy.
    • R v G & E – Successfully prosecuted at trial case involving rape of a 5-year-old child.
    • Operation Jackdaw 1 (2018) – Junior Counsel prosecuting heroin conspiracy.
    • Operation Finch (2018) – Junior Counsel prosecuting multi million pound
    cocaine conspiracy.
    • Operation Zeus (2018) - Junior Counsel in 28 handed multi million pound drugs conspiracy in North Wales involving two sophisticated Organised Crime Groups.
    • Operation Ulysses (2017) – Junior Counsel prosecuting multi million pound conspiracies to supply Heroin, Cocaine, MDMA, Ketamine, Cannabis. This case involved over 30 Defendants and over 60,000 pages of evidence. Highest sentence imposed on a drugs gang in Wales totalling over 200 years.

  • Crime

    Ffion is a Category 4 Prosecutor and is a Member of the Rape and Serious Sexual Offences panel. She accepts instructions to represent both the Prosecution and Defence in respect of all criminal matters.

  • Education & Qualification
    • Cardiff University, Bar Professional Training Course (Very Competent).
    • The College of Law Chester, Graduate Diploma in Law (Commendation).
    • Sir Dingle Foot Scholarship Award, Gray’s Inn.
    • Gray’s Inn Graduate Diploma in Law Scholar.
  • Memberships
    • Criminal Bar Association
    • The Honourable Society of Gray’s Inn
  • Privacy Policy
  • Recommendations

    Tier 3 (Legal 500, 2025 - Crime)