The UK private healthcare sector is experiencing a period of unprecedented growth, but for insurers, this expansion brings a complex set of challenges. As the NHS faces continued pressure, record numbers of individuals are turning to private insurance, either through personal plans or employer-led schemes used as recruitment and retention tools.
However, this volume increase is being met with a "margin crunch". Medical inflation currently outpaces general inflation, running between 8% and 12%*. For many insurers, this has resulted in a staggering 75% reduction in margins* over the last few years. In this high-stakes environment, managing Fraud, Waste, and Abuse (FWA) is no longer just a compliance task—it is a critical lever for financial stability and competitive pricing.
To effectively tackle the problem, insurers must distinguish between the different leakages affecting their bottom line:
The challenge lies in the sheer volume of data. Insurers are often hampered by siloed, unstructured data—found in emails, scanned notes, and legacy systems—and manual processes that prioritise fast payment over detection accuracy.
Modern AI, particularly Agentic AI, is transforming how these threats are identified. Unlike traditional rules-based systems, these agents can analyse multiple variables simultaneously across disparate data sources.
AI can detect "unbundling"—where providers bill for multiple surgeries when only one took place—by spotting mismatches in invoices. More importantly, it can identify collusion networks. For instance, we at Shift Technology have worked with customers who with our technology have discovered a case involving an £18 million anaesthetist network where AI uncovered related providers sharing the same patient sets to artificially inflate costs.
A significant portion of fraud is hidden in the metadata of documents. Agentic AI can:
The industry is shifting from "pay and chase" to pre-payment prevention. By integrating AI directly into the claims management system, insurers can flag suspicious activity in minutes. This allows investigators to focus on high-probability cases, significantly speeding up recovery and preventing losses before the money leaves the business.
The results of implementing mature AI-driven FWA processes are substantial. While success depends on the size of the book of business, mature insurers are seeing annual savings of up to €50 million. Beyond the financial recovery, the benefits extend to:
As the healthcare landscape becomes more competitive and medical costs continue to rise, the ability to distinguish between legitimate care and FWA is paramount. By leveraging Agentic AI and network analysis, insurers can protect their margins, maintain competitive premiums, and ultimately provide better service to their policyholders.
*Sources: ONS UK Health Accounts 2023–24 | ABI Health Insurance Data 2024–26 | Milliman / Optalitix UK Insurer Analysis 2022–23 | RSM UK Insurance Outlook 2025 | PHIN Dec 2025