Swansea01792 484 566
Haverfordwest01437 766 671
Newport01633 481220
Port Talbot01639 897075

About Us

We are a legal firm with many years practical experience dealing with a vast range of different cases. We have a diverse team with a wealth of knowledge who will be able to assist you from the Police Station, Magistrates Court to the more serious Crown Court matters. We provide a continued and professional service committed to client care.


  • Nick Devonald photo

    Nick Devonald

    Nick is the Senior Director in the practice qualifying in London in 1992 before returning to Swansea in 1994.

    He is a Duty Solicitor specialising in all Magistrates Court work and has in his almost 30 years of experience dealt with many high-profile cases including murder cases, drugs cases, large conspiracy and fraud cases.

  • Jon Tarrant

    Jon is a Director of Devonald Griffiths John with over two decades of extensive and varied criminal law experience. A Duty Solicitor with Higher Rights, Jon is a personable and accessible character with an attention to detail and empathy to client’s needs. His main focus is within the Crown Court where he has a significant acquittal rate in contested hearings.

  • Stuart John photo

    Stuart John

    Stuart is a Director of the firm, he qualified as a solicitor and has practised solely in Criminal Defence work ever since. He is regarded as one of South Wales most experienced solicitors and has represented clients in all manner of cases in both Magistrates and Crown Court. Stuart is an experienced Crown Court advocate having gained rights of audience in 2006.

  • Daniel Griffiths photo

    Dan Griffiths

    Dan is a Director of Devonald Griffiths John and has specialised solely in Criminal Defence work since qualification in 2003, he has significant experience of dealing with large scale conspiracies, serious violence and sexual offences.

    Dan is a Higher Courts Advocate and appears regularly in both the Magistrates and Crown Court.

Swansea Office

  • Ian Hopkins photo

    Ian Hopkins (Solicitor)

    Ian qualified as a Solicitor in 1995, and is considered to be one of the foremost Magistrates Court defence solicitors in South Wales. He is knowledgeable, extremely diligent and specialises in all areas of Criminal Law.

  • Peter Tarr photo

    Peter Tarr (Solicitor)

    Peter qualified as a Solicitor in September 2019 and obtained his duty qualification in March 2020.

    He is experienced in representing clients at both the police station and the Magistrates Court. Peter has had involvement in taking instructions and witness statements for a number of Crown Court Cases and is experienced in dealing with a wide variety of cases ranging from minor motoring offences to serious sexual offences.

  • Rachel Tucker photo

    Rachel Tucker (Solicitor/Prison Law Specialist)

    Rachel qualified as a Duty Solicitor in the beginning of 2020. She has excellent communication and interpersonal skills.

    Rachel is a Magistrates Court advocate dealing with both youth and adult clients for a range of criminal offences. She has extensive experience of Crown Court Case file preparation for varied offences including Murder.

    Rachel is also a Prison Law specialist dealing with independent adjudications, recalls and parole hearings.

  • Liam Francis photo

    Liam Francis (Trainee Solicitor)

    Liam is police station accredited and currently training to qualify as a solicitor. He is friendly, approachable and reliable.

    Liam has both experience in representing clients at the police station and in preparing Crown Court files. He is always professional, motivated and has great communication skills.

  • Fenn Richards (Trainee Solicitor)

    Fenn is a Trainee Solicitor who has recently completed her Legal Practice Course alongside a LLM in Advanced Drafting focusing in Criminal Legal Aid.

    She is currently completing her police station accreditation whilst training to be a Solicitor. Fenn is enthusiastic, motivated and prides herself on her approachable manner and organisation skills.

Newport Office

  • Darren Bishop photo

    Darren Bishop (Solicitor Advocate)

    Darren qualified as a Solicitor Advocate in 2014 and frequently represents Clients for all types of criminal offences in the Police Station, Magistrates Court, Crown Court and Court of Appeal.

    Darren has a real passion for Criminal Law which has been evident in the results he has achieved for his Clients throughout his career. Through his commitment and determination he has achieved the position of Manager of our Newport office where he provides support and direction to the other fee earners and administration staff who are based there.

  • Isobelle Thompson photo

    Isobelle Thompson (Solicitor)

    Isobelle successfully completed her Legal Practice Course at Cardiff University and qualified as a Solicitor in 2015. She became a Duty Solicitor in 2016 and has experience in all aspects of Criminal Law.

    Isobelle is an enthusiastic and highly motivated individual who prides herself on providing a high level of job performance. Isobelle has a proven ability to build strong client relationships and is always willing to go the extra mile.

    Isobelle frequently represents a number of vulnerable defendants including those with mental health conditions and defendants appearing before the Youth Court.

  • Stephen Ritter photo

    Stephen Ritter (Solicitor)

    An accredited higher rights advocate, Stephen has extensive experience working as a Criminal Defence Solicitor in South Wales for many years. He registered as Duty solicitor from pilot scheme in 1984. He undertakes all Legal Aid criminal work, including Murder cases and work from Magistrates Courts to the Criminal Court of Appeal.

    Stephen has dealt in Military cases involving Junior Soldiers to Court Martials of Lieutenant Colonels.

  • Lydia Williams photo

    Lydia Williams (Trainee Solicitor / Prison Law Specialist)

    Lydia specialises in prison law as our prison law supervisor representing clients for disciplinary, recall and Parole hearings. She is an accredited police station representative and also conducts the preparation for Crown Court cases.

    Lydia is conscientious in her work ethic and prides herself in her professional yet approachable manner when representing clients.

Haverfordwest Office (Layton & Co)

  • Tom Lloyd photo

    Tom Lloyd (Solicitor Advocate)

    Tom, a qualified Duty Solicitor and Solicitor Advocate runs the Haverfordwest Office. He is fluent in Welsh.

    Tom is approachable, personable, and always professional. Throughout his career he has dealt with wide variety of cases including murder, rape, terrorism, fraud and motoring offences. He believes proper preparation is the key to getting the best results.

Port Talbot Office (H M Spring)

  • Mike Spring (Solicitor)

    Mike successfully practised as a sole practitioner for many years before becoming a consultant with DGJ.

    He brings with him a wealth of experience in Criminal law. A qualified Duty Solicitor and an experienced Magistrates Court advocate Mike has experience of a broad spectrum of cases from the most simple Magistrates Court matter to the most complex Crown court case.