What are PMCs
Private military and security companies (PMSCs) are for-profit firms that offer armed protection, training, logistics, intelligence, and even combat support to states, corporations, international organizations, and, at times, non-state armed groups. They market themselves as “force multipliers” that can deploy quickly, fill capacity gaps, and reduce political costs for clients. PMCs offer a spectrum of services that generally fall into three categories: Military Advice and Training (instructing foreign armies on tactics and intelligence); Logistical and Technical Support (maintaining weapons systems, managing supply chains, and providing transport); and Security and Protective Services (protecting installations, convoys, and personnel, often involving armed protection and engaging in hostile fire). In practice, they sit awkwardly at the junction of war, commerce, and law: they are neither regular armed forces nor purely civilian contractors. This hybrid identity is exactly where the human-rights risks—and accountability gaps—tend to widen. The deployment of these “shadow armies” creates a dangerous legal vacuum, allowing gross violations to occur with alarming impunity, particularly against vulnerable local populations.
Deployment: Case Studies of PMC Presence
PMCs have been deployed across the globe, especially in theatres of prolonged conflict, counter-insurgency operations, and zones rich in natural resources.
The deployment of PMCs in Iraq following the 2003 invasion serves as the definitive case study. At the height of the conflict, the number of private contractors was estimated to have exceeded 160,000, surpassing even the official number of U.S. troops. The firm Blackwater Worldwide became infamous after the Nisour Square massacre in Baghdad in 2007, where its guards killed 17 unarmed civilians. This incident highlighted the lack of legal jurisdiction and oversight over contractors.
During the war for resources in Africa (e.g., CAR and Mali), firms like the Russian-affiliated Wagner Group have established a significant footprint, often exchanging military support and resource protection for mining concessions. Their presence has been often linked to extrajudicial killings and torture. Similarly, PMCs have also been employed by state actors in the Yemen and the Arabian Peninsula to bypass domestic political restrictions and perform high-risk tasks, thereby allowing states to engage in conflict while maintaining plausible deniability regarding specific actions and casualties.
Why PMCs magnify human-rights risk
1) Diffuse chains of command and the “attribution problem”
Human-rights protection depends on clear command responsibility: who planned, ordered, or failed to prevent an abuse. With PMCs, the answer is rarely straightforward. Contractors answer to corporate managers, contract officers, and clients; they may even work alongside national forces while remaining outside the states’ military justice systems. This diffusion fractures the link between unlawful conduct and a duty-holder. Even when a client state exercises ‘overall control’, proving it is up to the standard required for legal attribution under international and domestic laws is difficult, especially in conflict zones. The result is predictable: victims struggle to identify the responsible party, while states disavow knowledge or claim non-involvement.
2) Jurisdictional patchwork and weak remedies
In theory, PMCs are bound by the law of the territorial state – i.e. the home state where they are incorporated, and the international humanitarian law (IHL) rules that bind all parties in armed conflict. In practice, enforcement is not linear. Territorial judiciaries may be weak, biased, or simply fearful. Home states also often lack extraterritorial criminal statutes or resources to investigate. Civil suits may also suffer from limitations due to immunities, forum non conveniens, or the opacity of corporate structures. Even when prosecutions occur, they are inconsistent, rare, and politically vulnerable. The high-profile Nisour Square convictions in U.S. federal court demonstrated that accountability is in fact possible, but subsequent executive pardons instead demonstrated how fragile the path to accountability can be. The lesson other such military contractors and clients may draw is that accountability is discretionary and reversible.
3) Contract opacity and perverse incentives
Most PMC contracts are confidential, drafted to achieve specific targets, and not aligned with human-rights consequences. Payment schedules may reward aggressive posturing rather than championing restraint, de-escalation, or community consent. Subcontracting further dilutes oversight; creating distance between the ultimate client and the person with a finger on the trigger, and obscures due-diligence obligations. Where contracts are embedded in resource deals – mining sites, transport corridors, energy infrastructure -security and commercial interests converge, and local populations encounter coercion and exploitation as a cost of extraction and economic growth.
4) Regulatory gaps and soft-law dependence
There is no global, binding treaty that specifically regulates PMCs. The Montreux Document, an intergovernmental text facilitated by Switzerland and the ICRC, clarifies how existing IHL and human-rights law apply to states and PMCs and offers good practices. But it is non-binding and remains soft-law. Industry initiatives such as the International Code of Conduct Association (ICoCA) promote standards and audits, yet membership is voluntary and decertification has limited bite where contracts are awarded on price, political affinity, or strategic leverage rather than on human-rights performance. The UN Working Group on Mercenaries has repeatedly warned that voluntary frameworks, while useful, cannot substitute for enforceable obligations and effective remedies. The problem is therefore not the absence of applicable law but the breakdown of enforceability across jurisdictions, and the practical impediments to investigation and prosecution.
5) Exploitation of Local Populations
The impact of PMCs on local populations manifests as both a humanitarian catastrophe and economic exploitation. Human Rights abuses and sexual violence are frequently documented, including extrajudicial executions, torture, enforced disappearances, and systematic sexual violence (SGBV) against women and girls. Moreover, by offering highly capable military services for hire, PMCs lower the political cost of war for client states, thereby fuelling and prolonging Conflict. Their presence often leads to the exploitation of local resources (mines, oil fields, labour), diverting wealth, deepening poverty, and perpetuating the cycle of violence and recruitment.
What meaningful accountability would look like
- Binding international regulation: A treaty on PMCs could codify prohibited activities (e.g. participation in hostilities), mandate licensing and disclosure, and require states to assert criminal jurisdiction over grave breaches with mutual legal assistance obligations. The UN Working Group has urged states toward such an instrument; political will is the missing piece to make it a reality.
- Hardening soft law: Making adherence to the Montreux Document’s good practices and ICoCA certification a condition of eligibility for any public contract, multilateral financing, or access to development banks and UN procurement systems.
- Contract transparency and victim-centered remedies: Publishing redacted PMC contracts and rules of force, requiring the set up of independent grievance mechanisms with power to compensate victims, and creating funds that disburse automatically upon verified violations.
- Extraterritorial criminal enforcement: Home-state prosecutors need clear extraterritorial statutes for war crimes, torture, and serious abuses by their nationals and corporations abroad, with protected channels for whistleblowers and investigators.
- Resource-rights: Where PMCs guard extractive assets, human-rights impact assessments, community consent, and labour protections as required as prerequisites to further the trade processes. Without economic sanctions for violations in such situation, abuses would continue to remain the cost of doing business.
Conclusion
The spread of PMCs is not a passing phase. It is a structural feature of contemporary conflict management. States facing fiscal constraints, political risk aversion, or stretched militaries will continue to outsource coercion, exploitation, and controversial action. If the norm becomes security without accountability, the law of armed conflict will be honoured mainly in the breach, and human rights will be enforced only against the weak. Conversely, credible regulation can realign incentives.
PMCs occupy the grey zone where state power, private profit, and armed violence intersect. The harms that flow from that grey zone – civilian killings, coercion around resource sites, gender-based violence, and the suppression of civic life – are not inevitable. They are policy choices, embedded in economic interests, procurement rules, and the absence of binding regulation. The law that already applies to PMCs is in fact sufficient to prohibit the worst abuses; what is missing is enforceability across borders and incentives that reward restraint rather than aggression. Until states close the accountability gap – with binding rules, transparent contracts, and real sanctions – PMCs will continue their work and communities in conflict zones will continue to pay the price with their interests, rights, freedoms, and lives.
References
Byman, D., & O’Connell, M. E. (2007). The New Contractors: The Rise of Private Military Companies. Brookings Institution Press.
Human Rights Watch. (2025). World report 2025: Central African Republic. https://www.hrw.org/world-report/2025/country-chapters/central-african-republic Human Rights Watch
International Code of Conduct Association. (n.d.). About ICoCA. https://icoca.ch/ icoca.ch
International Committee of the Red Cross & Swiss Confederation. (2008). The Montreux Document on pertinent international legal obligations and good practices for States related to operations of private military and security companies during armed conflict. https://www.icrc.org/sites/default/files/event/file_list/montreux_document_en.pdf International Committee of the Red Cross
Office of the High Commissioner for Human Rights. (2023, May 12). Malian troops, foreign military personnel killed over 500 people during March 2022 operation—UN report. https://www.ohchr.org/en/press-releases/2023/05/malian-troops-foreign-military-personnel-killed-over-500-people-during OHCHR
Office of the High Commissioner for Human Rights, Working Group on the use of mercenaries. (2024). Report of the Working Group on the use of mercenaries (A/HRC/57/45). https://docs.un.org/en/A/HRC/57/45 United Nations Documentation
Singer, P. W. (2008). Corporate warriors: The rise of the privatized military industry (Updated ed.). Cornell University Press.
Taub, B. (2020, May 18). The Wagner Group’s War in the Central African Republic. The New Yorker.
The Associated Press. (2025, July 25). Shooting at a Central African Republic gold mine run by Russia’s Wagner leaves 11 dead. https://apnews.com/article/1ed7de28f5c7b2ef4ff9579a983f80a4
