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Mark HarrisonPartner

Mark Harrison

Mark joined Hay and Kilner in 1996 and heads up the busy crime team at the Wallsend Office. Mark has specialised in criminal defence work for over 20 years and has a formidable reputation throughout the Courts and Police Stations across the region and beyond.

Mark has represented clients as advocate in the Magistrates Courts, The Crown Court and in the Court of Appeal. He has exceptional client skills, a keen eye for detail and is a hugely popular advocate.

Mark has a wealth of experience in computer related crime, has a large and varied caseload and often deals with serious and complex multi-handed cases.

He is recommended for his work in The Legal 500 and Chambers & Partners, both independently researched guides to the legal profession.

Mark qualified as a solicitor in 1997.

To read more on the notable cases that Mark has covered, please click here.

  • Legal 500 UK Awards 2020 Shortlisted
  • Accreditation Criminal Litigation colour jpeg
  • Legal 500 uk-leading-individual-2021


  • "Mark Harrison is an exceptional advocate and a joy to listen to."

    - The Legal 500

  • "A first class and very professional service from start to finish"

    - Client of Mark Harrison

  • "Mark Harrison has always been very highly recommended to me. I didn't have to think twice about which solicitor to instruct."

    - Client of Mark Harrison

  • "Mark Harrison receives praise for his dynamic approach to cases. Peers comment approvingly that he, 'has not only a reliable competence and ability, but is also diligent in ways you don't often see'."

    - Chambers & Partners

  • "Many thanks for your support and advice in recent months. You managed the fine balance between professionalism and familiarity with remarkable ease and ultimately gave me the information and confidence to make the decisions that led to the acquittal. "

    - Client of Mark Harrison

  • "Head of the Crime department, Mark Harrison is in the top tier. He is a very well-respected solicitor who attracts a good quality of work."

    - Chambers & Partners

  • "Mark Harrison was brilliant from start to finish."

    - Client of Mark Harrison

  • "Exceptionally satisfied with the advice and approachability of Mark Harrison and his supportive staff, who have helped and advised on situations as they arose."

    - Client of Mark Harrison