Per- and polyfluoroalkyl substances (PFAS) have rapidly become one of the most significant environmental and public liability concerns facing commercial enterprises. Often referred to as ‘forever chemicals’, PFAS compounds are highly persistent, bioaccumulative, and now the subject of heightened regulatory, scientific, and legal scrutiny across the UK, Europe, and worldwide. For corporate insurance buyers, understanding the evolving risk landscape is no longer optional; it is fundamental to protecting balance sheets, safeguarding reputations, and ensuring long-term operational resilience.
As insurers, regulators, and litigators intensify their focus on PFAS, organisations must anticipate an insurance market that is likely to harden further, restrict coverage, and demand far more extensive underwriting information. In this environment, a knowledgeable insurance broker becomes indispensable.
Why PFAS Represents a Material Emerging Risk
- Expanding Regulatory Pressure
Regulatory bodies across Europe, including the European Chemicals Agency (ECHA), are moving towards significant restrictions on PFAS production and use. The UK is pursuing its own regulatory pathway via the UK REACH programme. These developments signal a future in which businesses across multiple sectors, from manufacturing and waste management to food processing, construction, and hospitality, face increased compliance burdens and potential enforcement action.
- Mounting Litigation
PFAS litigation has grown dramatically, particularly in the United States, where settlements have reached multi-billion-dollar levels. Although the UK and Europe have historically seen fewer mass tort exposures in environmental matters, the legal landscape is shifting. Claims may arise from alleged groundwater contamination, occupational exposure, product liability, or failure to warn. Any company in the PFAS supply chain, however tangentially, could be drawn into complex, multi-party actions.
- Supply Chain Interdependency
Many organisations remain unaware of their indirect PFAS exposures. PFAS may be present in fire-fighting foams, industrial coatings, textiles, packaging, electronics, and countless other materials. The absence of direct manufacture or use is not a defence against downstream liability. Insurers increasingly expect insureds to demonstrate comprehensive supply-chain awareness and active risk controls.
How PFAS Affects Insurance Programmes
Environmental Impairment Liability (EIL):
PFAS is now at the centre of environmental impairment underwriting. Many insurers impose total exclusions, sub-limits, or restrictive endorsements for PFAS-related contamination. Those prepared to provide limited cover often require extensive environmental data and site assessments. The availability and cost of EIL cover are likely to deteriorate further as loss experience grows.
Public Liability and Product Liability:
PFAS exposures may be excluded through broad pollution exclusions or specific PFAS clauses. Corporates that rely on standard commercial liability wordings risk discovering significant coverage gaps at the point of claim. Product liability insurers, in particular, are tightening terms for sectors where PFAS may be present in components or packaging.
Directors’ and Officers’ Liability (D&O):
Regulators, investors, and stakeholders increasingly expect boards to demonstrate robust ESG governance, including environmental risk oversight. Failures in disclosure, risk management, or compliance relating to PFAS could lead to shareholder actions or regulatory investigations. D&O insurers are beginning to factor PFAS considerations into underwriting discussions, particularly for listed or private-equity-owned entities.
Property and Business Interruption:
Although less directly related to contamination, PFAS restrictions may affect manufacturing processes, supply availability, and production continuity. Insurers may scrutinise business continuity plans where PFAS-containing components are difficult to replace or alternatives are still emerging.
The Importance of Proactive Risk Management
Corporates seeking to maintain comprehensive insurance protection must demonstrate active, documented management of PFAS exposures. Key measures include:
- Conducting a PFAS exposure assessment across operations, products, and supply chains
- Reviewing procurement policies to identify and phase out PFAS-containing materials
- Undertaking environmental sampling at potentially affected sites
- Implementing strict controls on fire-fighting foam use, testing, and disposal
- Strengthening ESG reporting and board-level oversight
- Preparing contingency plans for regulatory or supply chain changes
Insurers increasingly differentiate between organisations that take these steps and those that remain reactive. Demonstrable mitigation can materially improve underwriting outcomes.
Why a Specialist Insurance Broker Matters
PFAS present a multidimensional risk that cuts across environmental liability, product responsibility, ESG governance, and operational resilience. As the insurance market continues to narrow available capacity and broaden exclusions, corporate buyers need a broker capable of:
- Interpreting evolving PFAS regulation and litigation trends
- Identifying coverage gaps within existing insurance programmes
- Negotiating enhanced terms in a tightening market
- Preparing detailed underwriting submissions that present risks transparently and favourably
- Designing risk transfer strategies that align insurance, ESG reporting, and regulatory requirements
- Coordinating environmental consultants and legal advisers where specialised input is needed
A well-constructed insurance and risk-management approach can significantly reduce uncertainty and protect long-term enterprise value.
PFAS is a rapidly materialising risk with far-reaching implications for many industries. As regulatory frameworks tighten and litigation intensifies, businesses must recognise the urgency of understanding their exposure and adapting their insurance programmes accordingly. A proactive approach, supported by expert broking guidance, is essential to mitigating financial, operational, and reputational impacts.
If you would like to assess your organisation’s PFAS exposure or understand how emerging exclusions may affect your current insurance arrangements, please contact Daniel Moss at [email protected] or on 0044 (0)113 2439812 or contact Mark Dutton at [email protected] or on 0044 (0) 7831 366 469.
Specialist contact



