Strengthening our Team with the Addition of Two Highly Experienced Solicitors

We are delighted to announce the addition of Maria Cosslett as Senior Associate in the Lifetime Planning Department and Mark Church as a Solicitor in the Civil Litigation Department to the JNP Legal team. These strategic hires bring a combined 62 years of legal experience to the firm, reinforcing our commitment to providing expert legal services and personalised attention to its clients.

Maria Cosslett joins as a Senior Associate in the Lifetime Planning Department, bringing over 30 years of experience in private client work. Maria is a Chartered Legal Executive and a Trust and Estate Practitioner (TEP) since 2008. She is also an accredited member of Lifetime Lawyers (formerly Solicitors for the Elderly), a Dementia Friend, and has completed training to become a Dementia Champion.

Maria’s legal career spans over three decades at a highly respected Cardiff law firm, where she progressed to Partner and Head of the Private Client Department. Following the firm’s acquisition in 2023, Maria spent 18 months at a Top 100 law firm before joining JNP Legal in 2025.

Maria specialises in Wills, Powers of Attorney, Estate Administration, and Trusts, including trusts for disabled persons. Known for her professional, friendly, and empathetic approach, Maria has extensive experience working with families and individuals, offering guidance on complex estates. She also has a keen interest in mental health issues, particularly dementia, and how these affect clients and their families, drawing from personal experience.

Maria is based in the Llanishen office, is available for home and hospital visits, and regularly works with Accountants, Financial Advisors, and Estate Agents. Maria will assist clients with planning for the future and making things easier for their families. This is particularly important for those who require estate planning and mitigating liability to Inheritance Tax.

Mark Church joins as a Solicitor in the Civil Litigation Department, bringing 32 years of post-qualification experience from several well-respected law firms.

Mark specialises in personal injury, clinical negligence, contested probate, debt recovery, and general litigation. His expertise covers high-value and complex claims, including catastrophic injury cases, brain injury, amputation, psychiatric injury, and spinal injury claims. Mark is known for his meticulous approach to case preparation and his tenacious advocacy on behalf of his clients. He is committed to achieving the best possible outcomes for those he represents, whether through negotiation, mediation, or court proceedings.

Mark brings a wealth of knowledge to the Civil Litigation Department, providing expert guidance and support to clients navigating complex legal disputes. His extensive experience in personal injury and clinical negligence makes him a valuable asset to individuals seeking justice and compensation for injuries sustained due to the negligence of others.

“We are thrilled to welcome Maria and Mark to JNP Legal,” says Tony Williams, Managing Director at JNP Legal.

“Their extensive experience – a combined 62 years – and proven track records in their respective fields will be invaluable to our clients. Maria’s deep understanding of lifetime planning, combined with Mark’s robust litigation skills, significantly enriches our service offering and further solidifies our commitment to providing comprehensive legal solutions.”

JNP Legal remains committed to providing exceptional legal services across a variety of practice areas, and these promotions represent the firm’s dedication to fostering talent and promoting from within.