Jon Colclough - Commercial Barrister

South Square is a leading set of commercial law barristers. Our members have acted in many of the most important restructuring, insolvency, banking, commercial, company and fraud-related disputes of recent times. We are regulated by the Bar Standards Board.

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Jon is a commercial chancery practitioner, who specialises in insolvency, restructuring and company matters. His recent cases include:

Mitchell v Al Jaber [2025] UKSC 43, [2024] EWCA Civ 423 and [2023] EWHC 1239 (Ch) – liquidation, breach of fiduciary duty, equitable compensation;
Arena and Sentinel v Lloyds [2025] EWHC 3036 (Comm) – administration, “Quincecare” claims;
Re Petrofac [2025] EWCA Civ 821 and [2025] EWHC 1250 (Ch) (sanction) and [2025] EWHC 859 (Ch) (convening) – Part 26A restructuring plans;
Re Waldorf Production UK [2025] EWHC 765 (Ch) (convening), [2025] EWHC 2181 (Ch) (sanction) – Part 26A restructuring plans;
Purkiss v Kennedy [2025] EWCA Civ 268 – section 423 transactions defrauding creditors;
Re Speciality Steel [2025] EWHC 587 (Ch) – Part 26A restructuring plans;
Re Ambatovy Minerals Societe Anonyme [2025] EWHC 279 (Ch) (sanction) and [2024] EWHC 2598 (Ch), [2024] EWHC 2839 (Ch) (convening) – Part 26A restructuring plans;
HSBC Innovation Bank Ltd v Stenn International Ltd [2024] EWHC 3468 (Ch) – administration orders;
Wilkinson v Maher [2024] EWHC 2948 (Ch) – administrators, validity of appointment, misrepresentation, common mistake, improper motive;
Nardelli & Ors v Richardson [2024] EWHC 2740 (Ch) – removal of administrators, duties owed in solvent administrations;
Durrani v Coe [2024] EWHC 2912 (KB) – oral agreements, disputed debts;
Re Lloyds British Testing Ltd (in liquidation) [2024] EWCA Civ 1418, [2024] EWCA Civ 1558 and [2023] EWHC 567 (Ch) – liquidation, breach of fiduciary duty, pension drawdown;
Re Revolution Bars Limited [2024] EWHC 2949 (Ch) (sanction) and [2024] EWHC 2014 (Ch) (convening) – Part 26A restructuring plans, cross-class cramdown;
Re CB&I UK Ltd (McDermott restructuring) [2024] EWHC 398 (Ch) (sanction) and [2023] EWHC 2497 (Ch) (convening) – Part 26A restructuring plans, cross-class cramdown;
Brake v The Chedington Court Estate Ltd [2023] UKSC 29 – bankruptcy, officeholder’s powers and duties, locus standi;
Re Fastfit Station Ltd (in liquidation) [2023] EWHC 496 (Ch) – liquidation, breach of fiduciary duty, transactions at an undervalue, preferences;
Allen v Bulatovic [2023] EWHC 612 (Ch) – bankruptcy, transactions at an undervalue, proprietary injunction, freezing injunction;
Chopra v Katrin Properties Ltd [2022] EWHC 2728 (Ch) – bankruptcy, statutory demands;
Brake & Ors v The Chedington Court Estate Ltd [2022] EWCA Civ 1302 – unlawful eviction; trustees in bankruptcy;
Little Miracles Ltd v Oliver & Ors [2022] EWHC 2553 (Ch) – bankruptcy, provable debts;
Al Nasser and Al Masri Trading Co WLL LLC v Munir [2022] EWHC 1174 (QB) – enforcement of foreign judgments;
Financial Conduct Authority v Ferreira [2022] EWCA Civ 397 – statutory interpretation of FSMA 2000;
Parker v Financial Conduct Authority [2021] EWCA Crim 956 – constructive trusts, criminal confiscation regime;

Jon previously worked for the Boston Consulting Group and the Financial Conduct Authority. He subsequently re-trained as a barrister and was awarded Lincoln’s Inn 2015 “Student of the Year” for achieving the highest mark in the BPTC.