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Critical national infrastructure

BS7858 screening for critical national infrastructure

Operators of critical national infrastructure — and the contractors who maintain it — need to show that everyone with site or system access has been properly screened. BS7858 provides a consistent baseline that sits alongside any role-specific national security vetting, and Yezda lets you run it across every site and contractor from one place.

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Why it matters

What critical national infrastructure teams need from screening.

CNI operators and their contractors screen staff with access to sites and systems that the country depends on. BS7858 provides a defensible, repeatable baseline that sits alongside any role-specific national security vetting.

01

One standard across every contractor

Copy a single BS7858 pipeline across your supply chain so every contractor's staff are screened the same way, with results you can audit.

02

UK data residency

Screening data stays in London (AWS eu-west-2) unless a candidate explicitly consents to a cross-border transfer.

03

Evidence on demand

Every check, document and decision is captured in an immutable audit trail, ready for regulators, customers or internal assurance.

Roles we typically screen
  • Site operatives
  • Contractors
  • Maintenance crews
  • Control engineers
What we screen

Screening that fits
the role.

BS7858, BPSS, event staff, right to work and ID, and standard pre-employment screening are all ready to run, with IDV and references already wired in. Each is built from the same checks, so you screen every role to the standard it needs.

Standard · BSI 2019
Security industry

BS7858

The British Standard for screening individuals working where the safety of people, goods or property is paramount.

What’s included
✓
Identity verification (IDV)
✓
5-year address history with gap reconciliation
✓
5-year employment + education history
✓
Two character references + two employment references
✓
Credit & AML check (CreditSafe)
✓
Self-declaration of unspent convictions
✓
Optional four-eyes (two-person) sign-off
FAQ

Critical national infrastructure: common questions.

No. National security vetting (such as SC or DV clearance) is run by government. BS7858 is a British Standard for pre-employment screening that employers run themselves, and it often sits underneath role-specific vetting.
Yes. Pipelines are customisable per tenant, starting from Yezda's standard BS7858 and BPSS templates.
Yes. Yezda is externally penetration tested every year, encrypts data with AES-256 at rest and TLS 1.3 in transit, and is registered with the ICO (ZC147640).
Ready when you are

Ready to screen your own candidates?

Start a free trial and run your first screening today, or book a 15-minute walkthrough and we'll set you up.