United Kingdom: Terrorism, Homeland Security & Defence

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Government regulation and public sector law thought leadership, articles, podcasts, videos and webinars from expert sources across the legal world. Explore insights covering topics such as fiscal and monetary policy, human rights, foreign investment, government contracts and procurement, and constitutional and administrative law.

Q4 2025 Update – UK Merger Control And National Security/Investment Screening

The UK Competition and Markets Authority (CMA) continues to attach considerable weight to the strategic steer that it received from the Labour government earlier this year to prioritise...

United Kingdom Commercial

AG

Akin Gump Strauss Hauer & Feld LLP

Martyn's Law: What Live Music, Sport And Events Businesses Should Be Doing Now

The Terrorism (Protection of Premises) Act 2025 (the Act) – commonly known as "Martyn's Law" – is set to transform the way public venues and events across the UK approach security and preparedness for terrorist threats.

United Kingdom Government

LS

Lewis Silkin

Procurement Unpacked: Six Months Of The 2023 Act (Video)

In this webinar Christopher Brennan takes a look at how the Procurement Act 2023 has been bedding in since its go-live on 24 February this year. How have buyers found it? What's the noise from suppliers...

United Kingdom Government

GW

Gowling WLG

Preparing For Martyn's Law: A Practical Guide For Schools And Academy Trusts

The Terrorism (Protection of Premises) Act 2025, more commonly known as Martyn's Law, came into force on 3 April 2025.

United Kingdom Government

BJ

Browne Jacobson

Rethinking European Defence: Market Dynamics And Sector Opportunities

European Union Commercial

M

Macfarlanes LLP

Elon Musk's Protest Comments: Where Does Free Speech End And The Law Begin? (17 September 2025)

United Kingdom Government

DL

Duncan Lewis & Co Solicitors

HM Treasury Consultation On Changes To UK Money Laundering Regulations

United Kingdom Government

KM

Katten Muchin Rosenman LLP

AML/CTF Rules Are Finalised: Key Takeaways

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

Procedural Flaw Under The National Security And Investment Act Regime Insufficient To Invalidate Decision

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

UK Launches Consultation On Changes To Mandatory Notification Requirements Under The National Security And Investment Act's Inbound Investment Regime

United Kingdom Government

SJ

Steptoe LLP

The Strasbourg Court Opines On Russian Actions In Ukraine

United Kingdom Government

BS

BCL Solicitors LLP

An Affirmation Of Orthodox Principles – Relying On International Law Fails To Narrow Broad Discretion In National Security And Foreign Policy Issues

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

Beneficial Ownership Registers: Summer 2025 Updates

United Kingdom Government

M

Macfarlanes LLP

Navigating Foreign Direct Investment Regulation: Defence

Worldwide Government

KL

Herbert Smith Freehills Kramer LLP

FinReg Monthly Update

United Kingdom Finance

PR

Proskauer Rose LLP

Fentanyl Tariffs

Worldwide International

KL

Herbert Smith Freehills Kramer LLP

Do Not Bottle The Truth: Major Soft Drinks Company Commits To Correcting Its Recycling Claims Under EU Law

European Union Environment

KG

K&L Gates LLP

UK Adopts Phased Approach For ID Verification At Companies House

United Kingdom Commercial

MG

Maples Group

AI In Healthcare: Legal And Ethical Considerations At The New Frontier

United Kingdom Technology

AO

A&O Shearman

How The UK Is Transforming Defence: Strategic Review, AUKUS, And Tech Innovation

Defence in the UK is changing with the country having to adapt to the growing threat from its adversaries as well as strategically navigating its political relationships...

United Kingdom Government

GW

Gowling WLG

UK Government Consults On Changes To National Security And Investment Act Notification Regime

The UK government opened a consultation on 22 July regarding potential amendments to the National Security and Investment Act 2021 ("NSIA") and the National Security and Investment Act 2021 (Notifiable Acquisition) (Specification of Qualifying Entities) Regulations 2021 ("NARs").

United Kingdom Government

B

Brodies

M&A – Consultation On Changes To The National Security And Investment Act

The government has published a consultation on proposed amendments to the National Security and Investment Act 2021 (Notifiable Acquisitions) (Specification of Qualifying Entities) Regulations 2021.

United Kingdom Commercial

KL

Herbert Smith Freehills Kramer LLP

National Security & Investment Act - 4th Annual Report (2024/25)

Read the PDF of this publication below. Alternatively you can download to print, to save for later or for a different experience.

United Kingdom Government

TS

Travers Smith LLP

The Year In Review: UK Foreign Direct Investment Regime Set For Reform

United Kingdom Government

MB

Mayer Brown

Developing Trends From The Latest Annual Report On The UK National Security And Investment Regime

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

UK National Security And Investment Act: Reducing Red Tape?

United Kingdom Government

AO

A&O Shearman

Money Mules, Dirty Cash, And Crypto: The FCA And NCA's 2025 Economic Crime Hit List

United Kingdom Government

M

Macfarlanes LLP

UK Government's Take On Ransomware: Insights From The Recent Consultation

United Kingdom Technology

CM

Crowell & Moring LLP

Proposed Mini-Reforms To The National Security And Investment Act 2021

United Kingdom Government

AG

Addleshaw Goddard

UK Government Publishes Consultation On Changes To National Security And Investment Act Notifiable Acquisitions

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

E-commerce Platform Liability And Safe Harbor Provisions

United Kingdom Litigation

R

Rouse

A Cross-firm Team Successfully Completes Major Programme For Ministry Of Defence

United Kingdom Government

GW

Gowling WLG

How The Procurement Act 2023 Impacts Defence And Security Contracts

United Kingdom Government

GW

Gowling WLG

UK Government Publishes Consultation On Changes To National Security And Investment Act Notifiable Acquisitions

The UK Government has today announced a consultation on proposed amendments to the National Security and Investment Act 2021...

United Kingdom Government

KL

Herbert Smith Freehills Kramer LLP

E-commerce Platform Liability And Safe Harbor Provisions

Available to platforms that fulfill statutory obligations, conduct takedowns of prohibited content, and provide subscriber information for enforcement purposes

United Kingdom Litigation

R

Rouse

A Cross-firm Team Successfully Completes Major Programme For Ministry Of Defence

A cross-firm team has successfully completed the Defence Marine Services (DMS) programme for the Ministry of Defence (MoD). The programme, spanning over six years, involved competitive and single...

United Kingdom Government

GW

Gowling WLG

How The Procurement Act 2023 Impacts Defence And Security Contracts

The Procurement Act 2023 (the "Act") that came into force in February this year marked a shift in the UK's approach to public procurement, including the regulation of defence and security contracts.

United Kingdom Government

GW

Gowling WLG

Al-Haq v Secretary Of State For Business And Trade: …. Plus C'est La Même Chose!

European Union Government

BS

BCL Solicitors LLP

The A&D Minute: Disruption Continues To Reign

Global aerospace and defense industry leaders will soon descend on Le Bourget for a 55th Paris Air...

Worldwide Government

A

AlixPartners

Strategic Defence Review 2025: Three Fundamental Questions That Must Be Answered To Turn Rhetoric Into Reality

Strategic Defence Reviews (SDRs) have had a mixed track record over the last three decades. In some cases, they have rapidly been overtaken by geopolitical events, as with the reviews published in 1998...

United Kingdom Government

A

AlixPartners

What Defence Contractors Need To Know About The New UK Procurement Act

The UK's new Procurement Act 2023 (the "Act") took effect on 24 February 2025. More information on this can be found in our alerts: Understanding the UK's New Procurement Regime in 2025 and Changes...

United Kingdom Government

CM

Crowell & Moring LLP

What The UK Procurement Act 2023 Means For Investigations

The Procurement Act 2023 launches a new, post-Brexit procurement regime, with many significant changes to the predecessor regime.

United Kingdom Government

AO

A&O Shearman

Terrorism (Protection Of Premises) Act 2025

United Kingdom Government

TS

Travers Smith LLP

Martyn's Law - The Terrorism (Protection Of Premises) Act 2025 Receives Royal Assent

United Kingdom Government

MB

Mayer Brown

UK Venues Face New Security Requirements Under 'Martyn's Law'

United Kingdom Real Estate

GT

Greenberg Traurig, LLP

UK Sets Go Live Date For Foreign Influence Registration Scheme And Urges Business To Prepare

United Kingdom Government

SJ

Steptoe LLP

What Are The Legal Requirements Of The Terrorism (Protection Of Premises) Act 2025?

United Kingdom Government

GW

Gowling WLG

Competition Law And/or National Security Concerns Could Lead To Exclusion From And Termination Of Public Contracts

United Kingdom Government

M

Macfarlanes LLP

UK Weekly Sanctions Update - Week Of March 10, 2025

Worldwide International

MB

Mayer Brown

Terrorism (Protection Of Premises) Bill: Impact On Property Owners

United Kingdom Real Estate

AG

Addleshaw Goddard

What Trump's Executive Order Designating Cartels As Terrorist Organizations Means For Insurance

United Kingdom Government

W

WTW

Moneyval Report - Guernsey Highly Successful

Worldwide International

W

Walkers

UK Data Centres Designated As 'Critical National Infrastructure': Supporting The Conditions For Investor Confidence

United Kingdom Strategy

BB

Baker Botts LLP

National Security And The Labour Government

United Kingdom Employment

TS

Travers Smith LLP

UK Weekly Sanctions Update - Week Of February 3, 2025

United Kingdom International

MB

Mayer Brown

Risks Non-Profit Organisations Face From Terrorist Financing Schemes – Have Your Say Before 31st January 2025

United Kingdom Commercial

WS

Wrigleys Solicitors

Charity Commission Launches Consultation On Terrorist Financing Risks To Non-profits

United Kingdom Commercial

WL

Withers LLP

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Latest Videos

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Procurement Unpacked: Six Months Of The 2023 Act (Video)

GW

Gowling WLG

Umar Azmeh Speaks On Sentencing In House Of Lords Webinar (Video)

BS

BCL Solicitors LLP

Drones: High-Profile And Niche (Video Content)

D

Deloitte

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