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Article March 6, 2026

Supply chain concentration risk tests financial sector resilience

Supply chain concentration risk tests financial sector resilience

Center for Financial Professionals

Financial institutions are confronting growing concentration risk within extended supply chains as reliance on a small number of critical providers intensifies. Risk leaders warn that while consolidation can deliver efficiency and expertise, it also creat

Financial institutions are confronting a growing challenge that has quietly intensified across modern supply chains.

Concentration risk within third party ecosystems is becoming one of the most complex operational resilience questions facing banks and insurers, as organizations increasingly depend on a small number of critical providers across extended supply chains.

According to the Head of Resilience and Supplier Oversight at a major European insurance company, the issue has long existed but has only recently gained the level of strategic attention it deserves.

Speaking at CeFPro’s recent Vendor Risk Europe event, the senior executive, responsible for business continuity oversight, operational resilience programs, incident management and third party risk management, said concentration risk appears repeatedly in discussions with both regulators and boards.

The TPRM expert described concentration risk as a natural consequence of modern outsourcing strategies.

Organizations consolidate suppliers to gain efficiency, expertise and cost advantages. Yet that same consolidation can create vulnerabilities if disruption occurs at a single provider or within a critical geographic region.

To illustrate the point, the executive pointed to a well known case often used in business schools.

In 2018 a fast food chain in the United Kingdom replaced a specialized logistics supplier with a global courier company in a cost cutting exercise. The new provider operated from a single warehouse.

When a traffic incident disrupted access to the site, the consequences cascaded rapidly. Hundreds of restaurants closed, customers complained publicly and the company faced both reputational damage and financial losses.

The story offers a simple but powerful lesson. “When I’ve been at these presentations or conferences in the past, people have talked about concentration risk,” the speaker said. “But I don’t think many people have shared what they actually do about it.”

Within the insurance group he oversees, the starting point for managing concentration risk is a comprehensive review of the organization’s supplier register.

This process takes place annually and draws on extensive internal data covering outsourcing arrangements, operational dependencies and the role suppliers play in delivering critical services.

The first step is identifying areas where the company has significant reliance on a single third party. In some cases this reliance is substantial.

One outsourcing provider manages more than a quarter of the organization’s policy administration activity, while another processes millions of customer communications each year.

Both relationships represent core infrastructure that would be difficult to replace quickly.

Beyond simple supplier dependence, the review also maps vendors to important business services identified through operational resilience frameworks.

Some providers support multiple critical services simultaneously, making them particularly important to the organization’s ability to maintain operations.

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