Care Proceedings

Sean Harrison

Associate Solicitor, Care Proceedings


Areas of Expertise:

Sean Harrison is an Associate Solicitor in our Care Proceeding’s team and a Team Leader for the London team.

Professional Biography

Sean achieved a Bachelor of Laws (LLB) degree from Brunel University London, graduating in 2012. He furthered his legal education by completing a Master of Laws (LL.M) in Legal Practice Course (LPC) at the University of Law, graduating in 2014. Sean was admitted as a Solicitor in July 2016 after completing a significant portion of his training in Public Law at a regional firm in Luton/Bedfordshire.

Since qualifying as a Solicitor, Sean's primary focus has been on care proceedings, representing parents and carers in complex cases involving allegations of non-accidental injuries, sexual and physical abuse, fictitious illness, neglect, drug abuse, and domestic violence.  His expertise covers both Public and Private Children Law cases.

At Simpson Millar, Sean's responsibilities include managing a range of childcare matters such as care proceedings, advising on special guardianship orders, and handling adoption proceedings. He also works on domestic abuse injunctions and various private family law court applications.

Sean is particularly dedicated to working with younger parents and carers, advising and assisting them in cases where social services have concerns about their parenting, aiming to keep families together or reunite them when possible. His experience in the courtroom spans various types of hearings, including emergency protection applications, interim care order, case management, issues resolution and final hearings.

Professional Memberships/Accreditations

Sean has been an accredited member of the Children Panel since February 2021, showcasing his specialised expertise in children's legal matters.


  • "Sean Harrison, my solicitor throughout the LA care proceedings, did a terrific piece of work throughout my entire case. I was so very stressed because I felt my disability needs were being overlooked by the LA but Sean decided to handle seriously ensuring I understood every detail and that I had the right people to support me. I had a successful ending to my case and I recommend Sean highly."



  • "The solicitor dealing with my family case, Sean Harrison, was very timely in his responses to my queries, and went out and beyond to help with the case. I felt 100% supported and would not hesitate to recommend the firm."



  • "I highly recommend Simpson Millar Solicitors. They dealt with my case and helped me throughout the process until everything was taken care of. They explained everything in detail and made the process a better learning experience. Sean always responded within 24 hours and kept me updated. I am grateful for the help I received from Sean and his team. If I ever (which I hope I don't) get into any other trouble, Simpson Millar are the ones I will call. Thank you so much for everything."



Clients working with Sean can expect a compassionate and empathetic approach. He offers clear, supportive guidance and is committed to achieving outcomes that prioritise the welfare of children and families.  Sean's ability to handle sensitive cases with care and professionalism ensures that his clients receive not only legal representation but also strong advocacy and support throughout their legal journey.

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