Mr Jonathan Gavaghan > Ten Old Square > London, England > Lawyer Profile

Ten Old Square

Work Department

Company and Partnership; Commercial Litigation; Property Litigation


Jonathan Gavaghan has a busy chancery and commercial practice. He has particular expertise in partnership/LLP, commercial and property litigation in both the High Court and arbitration. Company law (including breach of fiduciary duty claims and shareholder disputes) is a further area in which he specialises.


Qualified 1992, Lincoln’s Inn.

General Chancery/commercial litigation (including property, company law, public law and partnership); important cases:  Patley Wood Farm LLP v Brake [2014] EWHC 4499 (Ch) [2015] EWHC 483 (Ch) (Arbitration/Partnership); Chaudhary v Yavuz [2013] Ch 239 (Constructive trusts, real property); Clarence House v Nat West Bank [2010] 1 WLR 1216 (virtual assignments); Manning v English [2010] Bus LR D89 (2010) (partnership); Re Claygreen Limited [2006] BCLC 715 (company law: pre-emption rights); West Hampstead Management Co Ltd v Pearl Property Ltd [2002] 3 EGLR 55 (leasehold enfranchisement); R v Secretary of State ex parte Spath Holme Ltd [2001] 2 AC 349 (public law/landlord and tenant); Spath Holme v North Western RAC [2001] 3 EGLR 30 (landlord and tenant); R v South Bank University ex p Coggeran [2000] ICR 1342 (public law/discrimination); Curtis v London RAC [1999] QB 92 (landlord and tenant); Globe Equities v Globe Legal Services [1999] BLR 232 (costs orders against third parties).


Chartered Institute of Arbitrators
Chancery Bar Association
Property Bar Association
Association of Partnership Practitioners

He is a former Chairman of the Young Bar and has served two terms as an elected member of the Bar Council.


Solihull School; Worcester College, Oxford (MA; BCL).

Lawyer Rankings

London Bar > Partnership

(Leading Juniors)Ranked: Tier 2

Jonathan GavaghanTen Old Square ‘Jonathan has excellent legal knowledge on partnership matters, acute tactical and strategic advice combined with a persuasive, clear and commanding advocacy style.’

The ‘pre-eminent set’ for partnership and limited liability law for some, Ten Old Square offers specialist partnership expertise handling a range of contentious and non-contentious matters, including advising professional services firms, hedge funds and private equity firms on partner and member exits, underperformance issues, team moves and lateral hires and unfair prejudice in LLPs. The chambers hosts a number of experienced junior counsel, including Jeremy Callman, whose focus is on litigating LLP and partnership disputes alongside acting on partnership points arising in the context of tax litigation. Jonathan Gavaghan has a busy practice advising on partnership and LLP disputes for professional services’ firms, medical practices and farmers, while Naomi Winston is noted for her practice in advising firms and individuals on internal issues and drafting non-contentious partnership documents. Gideon Roseman was involved in the case of Gamnon v Johnson, in which he acted for the defendant in a case concerning which homes were owned by a partnership.

London Bar > Property litigation

(Leading Juniors)Ranked: Tier 4

Jonathan GavaghanTen Old Square

London Bar > Commercial litigation

(Leading Juniors)Ranked: Tier 5

Jonathan GavaghanTen Old Square ‘Jonathan is a brilliant, technically-gifted barrister. His advocacy is persuasive, with a fantastic grasp of legal authorities and a compelling style. He shows good judgement and is great with clients.’