Biography And Reviews
Siobhan is a Partner in our Family team. She is based at the firm’s Leeds office.
Siobhan has over 20 years experience supporting individuals and business owners in a broad range of complex and high-value financial matters involving businesses, farms, trusts, pensions and pre/post nuptial agreements.
Known as a leading practitioner and acting for clients regionally and nationally, throughout Siobhan’s career she has built a reputation for being approachable and skilled providing clear, strategic and client-focused legal advice.
Priding herself on providing personable and commercial first-rate client service, Siobhan works closely with our Corporate and Private Wealth & Succession teams, financial advisors and accountants/tax advisors to ensure clients benefit from joined-up carefully aligned advice.
Areas that Siobhan specialises in:
HNW individuals and business owners, professionals and farming families.
Accolades and awards that Siobhan has achieved:
- Resolution Accredited Specialist in Complex/Higher Income Financial Remedies and Private Children Law.
- Treasurer for North, East and West Yorkshire Resolution.
- Trained Collaborative Lawyer and Liaison Officer for the Leeds Collaborative Law POD.
- 15 years experience working in Legal 500 Tier 1 firms.
- Legal 500 Rising Star in 2020
- Chambers & Partners (Band 4)
- Doyles 2026 Guide – Recommended Lawyer
- Committee Member of the Northern Lights annual Conference
Visit our Family section, for more information on our services, or alternatively, call our team on 08000 147720
Siobhan is friendly and approachable with a steely determination.”
Chambers & Partners 2026
Siobhan is absolutely on the ball all of the time. She makes you aware of all the risk but is incredibly effective at delivering impact and mitigating every aspect along the way.”
Chambers & Partners 2026
Siobhan Jeffels is an exceptionally skilled and knowledgeable lawyer, with a strong focus on NCDR and effectively managing her clients expectations.”
Legal 500 2025