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Security During Industrial Disputes and Labour Unrest | CloseProtectionHire

Q: "What are the legal limits on picketing in the UK and how do they affect security planning?"

"UK picketing law is governed primarily by the Trade Union and Labour Relations (Consolidation) Act 1992 (TULRCA) and the Trade Union Act 2016. Lawful picketing is limited to attending at or near the picket's own place of work for the purpose of peacefully obtaining or communicating information or peacefully persuading others not to work. Secondary picketing -- picketing at a location other than the picket's own workplace -- is unlawful. The 2016 Act added additional requirements: a minimum 50% ballot turnout for industrial action to be lawful, a 40% approval threshold in certain essential public services, a minimum two-week notice period before action, and a six-month expiry for industrial action mandates. For security planning, the practical implications are: a lawful picket line outside an employer's premises is a protected activity that security personnel cannot obstruct. Proportionate, professional security measures inside the perimeter are lawful. Physical engagement with a picket line by company security -- pushing, blocking, obstructing movement -- creates criminal liability and escalates the situation. The security posture at a lawful picket must be observational and protective, not confrontational."

Q: "What security measures are appropriate inside a facility during a strike?"

"Inside the facility perimeter, during a strike, the following security measures are proportionate and lawful: enhanced access control (requiring positive identity verification for all entry, including management and contractors -- strikers who retain site access rights require careful case-by-case legal assessment); CCTV monitoring of entry points and any areas where working-to-rule or go-slow activity could facilitate unauthorised access; review of access card permissions for striking employees (this requires HR and legal sign-off, not unilateral security action); briefing of remaining staff on the importance of access discipline (no tailgating, no admitting acquaintances); security presence at server rooms, data storage areas, and any critical infrastructure; and an incident log for every contact with picketers or unusual event at the perimeter. All security personnel on site during an industrial dispute should be briefed specifically on the legal constraints (no physical engagement with a lawful picket) and on de-escalation."

Q: "When should an executive request a personal protection team during an industrial dispute?"

"Not every industrial dispute generates a personal protection requirement for executives. The triggers that warrant a threat assessment and consideration of CP support are: threats received by the executive (written, verbal, or digital) in the context of the dispute; a history of violence or property damage in previous disputes at this company or sector; intelligence indicating a specific focus on the executive personally (their home address circulating, social media discussion of their residence, vehicle, or routine); the dispute receiving significant media attention that elevates the executive's public visibility; and evidence of association between the strike and organised criminal or extremist groups. Where one or more of these factors is present, a threat assessment should be conducted before the dispute escalates, not after an incident. An early assessment that results in a precautionary CP arrangement is substantially less disruptive than a crisis-driven deployment after an incident at the executive's home."

Q: "How does labour unrest present as a security risk in P1 cities compared with the UK?"

"In P1 cities, labour disputes at major facilities can escalate to levels of violence and government response that would not occur in a UK context. South Africa's mining sector has experienced repeated strike-related fatalities (Marikana 2012 being the most severe, but not isolated). Nigeria's National Labour Congress (NLC) and Trade Union Congress (TUC) have called general strikes that paralysed major cities, with associated security risks for executives at affected companies. Kazakhstan's January 2022 unrest began partly as a labour grievance (fuel price increases) and escalated to CSTO military intervention. In Colombia and Peru, strikes at extractive industry facilities have been accompanied by road blockades and physical obstruction that created evacuation planning requirements. The security planning framework for a dispute at a P1 city facility is materially different from a UK strike: it should include evacuation contingency from the facility, vetted ground transport assessment, and consideration of the executive's residential security during the dispute period."

Q: "What is the role of a security consultant during an industrial dispute, and how does it differ from normal operations?"

"During an industrial dispute, the security consultant's role shifts from routine protection to active threat assessment and advisory. The specific tasks include: daily threat assessment incorporating picket line intelligence (size, mood, any change in conduct), media monitoring for escalating coverage of the executive specifically, review of access control logs for anomalies, liaison with police (industrial disputes are a policing matter as well as a security matter -- the police SPOC for the dispute should be established before it begins), assessment of the executive's residential security posture (does it meet the enhanced requirement during a period of elevated threat?), and communications discipline (advising the executive on public statements, social media, and media engagement that could escalate the dispute). The security consultant does not become the company's industrial relations adviser. The boundary between security advice and business advice must be maintained."

Security planning for industrial disputes, strikes, and labour unrest. Protecting executives during industrial action, facility security during strikes, legal framework for picketing, and the security environment at P1 city industrial facilities.

4 May 2026

Written by James Whitfield, Senior Security Consultant

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Industrial disputes create a security environment that sits between routine corporate security and the more acute risk categories of hostile environments or KFR markets. The threats are real – executives have received credible threats during disputes, facilities have been attacked, and in P1 markets, labour unrest has escalated to fatalities – but the legal and ethical framework within which security operates during an industrial dispute is specific and requires distinct professional competence.

This guide covers the UK legal framework for picketing and industrial action, the security measures appropriate during a strike, the personal threat assessment for executives during a dispute, and the materially different environment that applies in P1 cities.

The UK legal framework

Understanding the legal constraints on both industrial action and the security response to it is foundational to planning that is both effective and lawful.

Trade Union and Labour Relations (Consolidation) Act 1992 (TULRCA). TULRCA is the primary statute governing industrial action and picketing in the UK. Section 220 defines the lawful limits of a picket: a worker may attend at or near their own place of work for the purpose of peacefully obtaining or communicating information or peacefully persuading other workers not to work. Secondary picketing – at a location other than the picket’s own workplace – is not protected and is potentially tortious.

Trade Union Act 2016. The 2016 Act introduced a 50% minimum ballot turnout requirement for industrial action to be lawful, a 40% approval threshold in defined essential services, and a six-month expiry on industrial action mandates. These provisions affect the company’s ability to challenge the lawfulness of industrial action – a question for employment lawyers, not security teams.

Criminal Law Amendment Act 1875, Section 241. Section 241 remains in force and prohibits watching and besetting (loitering near a person’s home or workplace with intent to cause alarm or prevent movement). This is the statute most relevant to security planning if picketing extends beyond the workplace to the executive’s residence.

The criminal threshold. Obstructing a person in the exercise of their right to attend for work, or using violence or threats, crosses from lawful picketing into criminal conduct. Security personnel should report rather than physically respond to conduct that crosses this threshold – the response is police, not security engagement.

Site security during a strike

The security measures appropriate inside the facility perimeter during an industrial dispute:

Access control hardening. All entry points should move to positive identity verification for every person entering – including management and contractors who may not normally be checked. Decisions about access rights for striking employees require HR and legal sign-off; security implements the protocol, it does not make the employment law decision.

CCTV monitoring and logging. Continuous monitoring of entry points, perimeter, and any areas of heightened risk (server rooms, vehicle park, utility infrastructure). Evidence retention should be extended to 30 days minimum during a dispute.

Critical infrastructure review. Any area where sabotage would cause disproportionate operational impact – power supply, server infrastructure, safety systems, fire suppression – should have its access controls reviewed and physical presence increased.

Contractor briefing. Contractors crossing a lawful picket line may face intimidation. Briefing contractors on their rights, the company’s security support, and the police contact for incidents is standard.

Incident log. Every contact between security personnel and pickets, every unusual event at the perimeter, and every instruction issued to security personnel during the dispute should be logged in real time. This log is the primary evidence in any post-incident legal, regulatory, or media review.

Executive personal threat assessment

Not every industrial dispute requires personal protection for executives. The triggers that warrant a threat assessment:

Specific threats received by the executive (written, verbal, digital) in the context of the dispute
A history of violence or property damage in previous disputes at this company or in the sector
Evidence of personal focus – the executive’s home address circulating, social media discussion of their residence or vehicle, their name appearing in escalating media coverage in a way that increases public identification
Dispute receiving media attention at a scale that significantly elevates the executive’s public profile
Intelligence indicating association between the dispute and organised criminal or extremist groups

Where any of these factors is present, a threat assessment should be completed and a security posture decision made before the first incident, not after.

Residential security review. If a personal protection assessment concludes there is elevated risk, the executive’s residential security posture should be reviewed simultaneously. The residence is the most vulnerable location during a labour dispute – it is typically known, it is accessible in ways the office is not, and it is outside the formal security perimeter of the company. For the residential security baseline applicable to executives with elevated threat profiles, see our residential security for executives guide.

P1 city industrial disputes

Industrial disputes in P1 cities can escalate to levels of violence and government intervention not typical in UK or Western European contexts.

South Africa (mining and energy sectors). The Marikana massacre (2012) remains the most severe single event, but platinum and gold sector strikes in South Africa have a documented history of associated violence – damage to equipment, confrontation between competing union factions, and confrontation with police. Facility security plans for South African mining and energy sites should include tested evacuation procedures and residential security provision for expatriate executives. For the full mining sector security analysis, see our mining and extractive industries security guide.

Kazakhstan. The January 2022 Almaty unrest began partly as a grievance about fuel prices – a labour and economic issue – and escalated to the deployment of CSTO military forces. Facilities associated with the energy sector were among the most exposed. Security plans for Kazakhstan-based operations should account for rapid escalation scenarios.

Colombia and Peru. Extractive industry disputes in both countries have been accompanied by physical blockades of access roads, sustained over periods of weeks. The security planning requirement is not only site security but logistics continuity – alternative supply routes, helicopter access where road access is blocked, and contingency arrangements for expatriate staff if ground evacuation routes are closed.

For the protest and civil unrest corporate security framework – which overlaps with industrial dispute security in P1 markets where strikes escalate to broader unrest – see our protest and civil unrest corporate security guide. For corporate crisis management that includes industrial dispute scenarios alongside other crisis types, see our corporate crisis management guide.

Sources

Trade Union and Labour Relations (Consolidation) Act 1992. Trade Union Act 2016. Criminal Law Amendment Act 1875. ACAS: Industrial Action – Good Practice Guide, 2024. CBI and TUC: Joint Guidance on Picketing and Access Rights, 2023. OSAC: South Africa Security Report 2024, Kazakhstan Security Report 2024, Colombia Security Report 2024. Control Risks: Labour Unrest and Business Disruption in Emerging Markets, RiskMap 2025. BHRRC: Labour Protest Tracker, Business and Human Rights Resource Centre, 2024. Farlam Commission of Inquiry: Marikana Report, 2015. ASIS International: Workplace Violence and Industrial Disputes Standard, 2024.

Summary

Key takeaways

UK picketing law protects lawful pickets -- security personnel cannot obstruct them

TULRCA 1992 and the Trade Union Act 2016 together define the legal framework for UK industrial action. A lawful picket at an employer's premises is a protected activity. Security personnel who physically obstruct, push, or confront a lawful picket line expose themselves and the company to criminal liability and significantly escalate the dispute. The security posture at a picket must be professional, observational, and non-confrontational. Legal advice should be obtained before any security decision that could affect the lawful conduct of the picket.

Access control during a strike requires legal sign-off, not unilateral security decisions

Decisions about which employees retain access rights during a strike -- and the process by which access cards are suspended or reinstated -- are employment law decisions, not security decisions. Security can implement the access control protocol once it has been defined by HR and legal. Acting unilaterally on access decisions (suspending cards without HR instruction) creates unfair dismissal exposure, escalates the dispute, and may be unlawful interference with protected industrial action.

Threat assessment for executives should be completed before the dispute escalates

A pre-dispute threat assessment that concludes no personal protection is required is a decision made from a position of information and planning. A reactive CP deployment after an incident at the executive's home is a crisis response that is more expensive, more disruptive, and more likely to generate media attention that further elevates the executive's profile. The trigger for threat assessment is the beginning of formal industrial action ballot, not the first incident.

P1 city labour disputes require evacuation planning alongside site security

Industrial disputes at P1 city facilities -- mining operations in South Africa, energy facilities in Kazakhstan or Colombia, logistics hubs in Nigeria -- can escalate to physical violence, road blockades, or civil unrest at a speed and scale not typical in UK labour disputes. The security plan for a P1 city facility during an industrial dispute should include a tested evacuation procedure from the site, a ground transport assessment, and residential security review for all expatriate executives associated with the operation.

The security posture at a labour dispute must be proportionate and documented

Post-incident review of industrial dispute security -- by police, courts, employment tribunals, and media -- focuses on what security personnel did, what they were instructed to do, and whether the response was proportionate to the threat. An incident log that records every contact, every instruction, every deployment decision, and every communication with public authorities is the primary legal and reputational protection for the company. Security without documentation is security that cannot be defended.

FAQ

Frequently Asked Questions

UK picketing law is governed primarily by the Trade Union and Labour Relations (Consolidation) Act 1992 (TULRCA) and the Trade Union Act 2016. Lawful picketing is limited to attending at or near the picket’s own place of work for the purpose of peacefully obtaining or communicating information or peacefully persuading others not to work. Secondary picketing – picketing at a location other than the picket’s own workplace – is unlawful. The 2016 Act added additional requirements: a minimum 50% ballot turnout for industrial action to be lawful, a 40% approval threshold in certain essential public services, a minimum two-week notice period before action, and a six-month expiry for industrial action mandates. For security planning, the practical implications are: a lawful picket line outside an employer’s premises is a protected activity that security personnel cannot obstruct. Proportionate, professional security measures inside the perimeter are lawful. Physical engagement with a picket line by company security – pushing, blocking, obstructing movement – creates criminal liability and escalates the situation. The security posture at a lawful picket must be observational and protective, not confrontational.

Inside the facility perimeter, during a strike, the following security measures are proportionate and lawful: enhanced access control (requiring positive identity verification for all entry, including management and contractors – strikers who retain site access rights require careful case-by-case legal assessment); CCTV monitoring of entry points and any areas where working-to-rule or go-slow activity could facilitate unauthorised access; review of access card permissions for striking employees (this requires HR and legal sign-off, not unilateral security action); briefing of remaining staff on the importance of access discipline (no tailgating, no admitting acquaintances); security presence at server rooms, data storage areas, and any critical infrastructure; and an incident log for every contact with picketers or unusual event at the perimeter. All security personnel on site during an industrial dispute should be briefed specifically on the legal constraints (no physical engagement with a lawful picket) and on de-escalation.

Not every industrial dispute generates a personal protection requirement for executives. The triggers that warrant a threat assessment and consideration of CP support are: threats received by the executive (written, verbal, or digital) in the context of the dispute; a history of violence or property damage in previous disputes at this company or sector; intelligence indicating a specific focus on the executive personally (their home address circulating, social media discussion of their residence, vehicle, or routine); the dispute receiving significant media attention that elevates the executive’s public visibility; and evidence of association between the strike and organised criminal or extremist groups. Where one or more of these factors is present, a threat assessment should be conducted before the dispute escalates, not after an incident. An early assessment that results in a precautionary CP arrangement is substantially less disruptive than a crisis-driven deployment after an incident at the executive’s home.

In P1 cities, labour disputes at major facilities can escalate to levels of violence and government response that would not occur in a UK context. South Africa’s mining sector has experienced repeated strike-related fatalities (Marikana 2012 being the most severe, but not isolated). Nigeria’s National Labour Congress (NLC) and Trade Union Congress (TUC) have called general strikes that paralysed major cities, with associated security risks for executives at affected companies. Kazakhstan’s January 2022 unrest began partly as a labour grievance (fuel price increases) and escalated to CSTO military intervention. In Colombia and Peru, strikes at extractive industry facilities have been accompanied by road blockades and physical obstruction that created evacuation planning requirements. The security planning framework for a dispute at a P1 city facility is materially different from a UK strike: it should include evacuation contingency from the facility, vetted ground transport assessment, and consideration of the executive’s residential security during the dispute period.

During an industrial dispute, the security consultant’s role shifts from routine protection to active threat assessment and advisory. The specific tasks include: daily threat assessment incorporating picket line intelligence (size, mood, any change in conduct), media monitoring for escalating coverage of the executive specifically, review of access control logs for anomalies, liaison with police (industrial disputes are a policing matter as well as a security matter – the police SPOC for the dispute should be established before it begins), assessment of the executive’s residential security posture (does it meet the enhanced requirement during a period of elevated threat?), and communications discipline (advising the executive on public statements, social media, and media engagement that could escalate the dispute). The security consultant does not become the company’s industrial relations adviser. The boundary between security advice and business advice must be maintained.

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