Barrister at Law John McAllister Confidential Review
Elite Trial & Crisis Counsel

Relentless advocacy for impossible cases.

King's Counsel-trained Barrister. UK & European cross‑border defense. When the stakes are existential, precision is non‑negotiable.

Schedule a Consultation View Case Results
0%
Wins
0+
Trials
UK/EU
Jurisdictions
Portrait of John McAllister

Chambers & Partners Ranked

Financial Crime & Litigation • 2023–2025

About John

John McAllister is a London-based barrister known for decisive courtroom wins and calm command during public crises. He blends fierce cross‑examination with boardroom tact, leading multi‑disciplinary teams across forensics, PR, and regulatory strategy.

  • LL.B., London School of Economics (LSE)
  • Former Barrister; clerkship at the Royal Courts of Justice
  • Admitted: England & Wales; practice across the EU
  • Member: The Bar Council, International Bar Association (IBA)

Fast Facts

24/7 Rapid Response
Offices: London • Brussels • Geneva (by appt.)
+44 20 7123 4567
intake@mcallister.legal

Expertise

Serious & Financial Crime

High-stakes trial strategy, SFO & NCA investigations, private prosecutions, extradition.

Commercial Litigation

Complex commercial disputes, cross‑border conflicts, emergency injunctions, shareholder actions.

Regulatory & Investigations

FCA/PRA, EU AML, competition law. Rapid crisis command with discreet media handling.

Selected Case Results

CourtroomFinancial Crime

R v. Smith — Complete Acquittal

SFO prosecution; jury returned 'not guilty' on all counts in a complex insider dealing case.

Crown Court at Southwark, 2024
SkyscrapersCommercial Litigation

Vanguard Plc v. Atlas — €25M Claim Defeated

Successfully defended against a breach of contract claim, avoiding €25M exposure and securing costs for our client.

High Court (Chancery), 2023
FCA buildingRegulatory

In re Meridian — Investigation Closed

FCA investigation into market manipulation closed with no enforcement action following our internal review.

FCA Investigation, 2025

Reputation & Results

“John is the first call I make when stakes are existential. He sees three moves ahead and makes the jury listen.”
A. Kovacs • General Counsel, FTSE 100
“He dismantled an impossible case to its atoms, then rebuilt a narrative the judge trusted. Surgical.”
M. Ortega • COO, Global Manufacturing
“We walked away from a multimillion dispute with dignity—and our balance sheet intact.”
L. Weiss • Partner, PE Fund

Chambers & Partners

The Legal 500

Who's Who Legal

Global Investigations Review

Frequently Asked Questions

What makes John different?

A King's Counsel-trained barrister's courtroom prowess, combined with the strategic foresight of a crisis manager. We move in hours, not weeks.

Do you handle urgent matters?

Yes. We maintain a 24/7 protocol for dawn raids, injunctions, arrests, and media exposure.

Which jurisdictions?

Qualified in England & Wales, with an extensive network for handling complex, cross-jurisdictional matters throughout the EU and key financial centers.

Confidential Case Review

Discreet, time‑sensitive consultations. A member of our team will respond within 2 hours.

+44 20 7123 4567
intake@mcallister.legal
1 Fleet Street, London, UK