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Spencer Collier Principal Lawyer, Clinical Negligence

Experience Profile

Spencer is a clinical negligence lawyer at Slater and Gordon Lawyers in Cardiff.

He has more than 20 years experience helping and representing victims of medical negligence and many of his cases have been high profile, attracting national media attention.

He boasts expertise in maximum severity claims, cases of delayed diagnosis and surgical errors.

He has also handled many cases involving delayed diagnosis of cancer and fatal accident claims.


  • Clinical negligence
  • Delayed diagnosis
  • Surgical error
  • Fatal accidents
  • Cancer

Commendations from independent legal directories

  • Legal 500: Spencer “leads a strong clinical negligence practice” and is a “very efficient force to be reckoned with”.
  • Chambers and Partners: Spencer is a “leading personality with sound technical skills” who “maintains a high profile in the field and is singled out for his handling of negligence claims”. He is “tenacious in the pursuit of his client’s best interests” and “continues to impress with his handling of complex claims, particularly relating to the late diagnosis of cancer”.
  • Legal 500 2016: "Hardworking and sensible approach".

Career history

  • Since 2015 Slater and Gordon
  • 2007 - 2015 Leo Abse and Cohen
  • 1997 – 2007 JCP Solicitors
  • 1993 – 1997 Dolmans Solicitors
  • College of Law, Chester
  • University of Wales, Aberystwyth

Professional memberships

  • Member of the Association of Personal Injury Lawyers (APIL)
  • Member of AVMA Solictors Referral Panel
  • Past member of Law Society Clinical Negligence Panel