How Are You Vetting Your Supply Chain?

Estimated reading time: 7 minutes

For many years, supplier management was largely focused on standard commercial priorities: cost, quality, lead time, and delivery performance. If a supplier met specifications, shipped on time, and remained price competitive, the relationship was often considered healthy.

However, the world has changed.

Supplier Approval or Supplier Assurance?
Today, companies operating in the defence, aerospace, dual-use, and other highly regulated industries face a far more complex reality of compliance and traceability. Supply chains are no longer simply operational networks; they are strategic ecosystems shaped by geopolitics, regulations, cybersecurity exposure, data sensitivity, and increasing customer specifications. A supplier may appear reliable on paper, yet still pose a significant risk if ownership is opaque, internal controls are insufficient, routines are not followed, and cybersecurity controls or internal vetting are not implemented.

Every leadership team should ask: How are you actually vetting your supply chain?

Companies often confuse supplier approval with supplier assurance. They may have their paperwork in order with signed NDAs, general purchasing agreements, logistical agreements, quality agreements, pricing agreements, and “X” amount of other onboarding forms, yet still lack a clear understanding of where production data originates, where it is stored, who ultimately controls the supplier, who has access to your data, and how much of your requirements is flown down to all the subcontractors in the supply chain?

In the defence industry, that gap matters. When products support national security, critical infrastructure, aerospace, or sensitive electronics, such as encryption, communication, computers, and so forth, trust must go beyond the first tier of suppliers. It must be documented, verified, and continuously controlled.

Visibility Is the New Currency
One of the most common vulnerabilities in modern supply chains is the lack of transparency and documentation below Tier 1 actors.

A company may know the supplier it buys from directly, but have a limited understanding of the subcontractors, components, or raw material sources and suppliers further downstream in the supply chain. That can create hidden dependencies and a risk of non-compliance that only becomes visible when it's too late.

We have seen:

• Companies believe they had diversified sourcing, only to discover that several suppliers depend on the same manufacturer, country, region, or the same constrained raw material source
• Businesses assume manufacturing was taking place in NATO or NATO partner countries, or in other government-approved countries, only to learn that it had been moved to countries on the restricted or prohibited lists
• Organizations believe their products were being produced at an approved supplier, only to discover that manufacturing had been unauthorisedly subcontracted to a non-compliant manufacturer. What looked like resilience was, in practice, a concentration risk.

For sectors such as defence and aerospace, where products are high tech, lead times long, and substitution difficult or impossible, discovering too late the risks mentioned above can affect deliveries, programs, and customer confidence. In worst scenario, the risk is imprisonment.

This is precisely where we have placed our efforts. Through our methodology and proprietary platform, we work to identify parameters that many traditional sourcing models overlook: mapping dependencies, improving traceability, and creating the transparency needed to make better decisions before pressure arrives.

Compliance Is Now Commercial
Some still view compliance as a parallel function sitting beside the business. I can assure you that compliance is increasingly driving the business; evidently, it's now in the eye of commercial execution and a factor influencing whether you might win a contract.

Sanctions regimes evolve quickly. Export-control obligations tighten. Cybersecurity demands rise. Defence contractors and OEMs increasingly expect their suppliers to demonstrate governance, screening, documentation, and secure handling of information. It's their IP, their product, and their risk.

When a supplier fails in one of these areas, the issue rarely remains isolated to legal teams. It can halt shipments, delay approvals, trigger customer escalations, damage reputation, or exclude companies from future opportunities. In other words, compliance failures often become revenue failures, or, in the worst case, bankruptcy.

That is why companies now integrate procurement, operations, engineering, quality, and compliance into one shared supply-chain discipline rather than treating them as separate conversations.

Ownership, Trust, and the Unknowns
Another area frequently underestimated is beneficial ownership. A supplier may have an established brand and years of commercial history, yet ownership structures can change quietly. In highly regulated industries, knowing who ultimately owns and controls a supplier, as well as the nationality of their board and officer group with practically unlimited access to all the company's data, is of the highest importance and should be vetted. If that information is difficult to verify, it should spark further investigations.

We often say that confidence comes from evidence, not assumption. Transparency is not a slogan; it is a management tool. If it's not in writing, it did not happen.

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