BS 7858 screening: what an assessor actually asks to see

BS 7858 is the British Standard covering the screening of individuals working in a security environment. Most contractors screen properly. What separates a comfortable assessment from an uncomfortable one is usually whether the resulting file can be produced, complete, on request.

The standard is revised periodically, and the detail of what is required changes with it — treat the current published version as the authority rather than anything written here.

The gap between doing it and evidencing it

A screening process typically involves several parties: the applicant, referees, previous employers, and whoever carries out the checks. Each produces a document at a different moment, and those documents rarely arrive in one place.

• –References chased by email and confirmed verbally, with nothing written down
• –Gaps in employment history explained in an interview, but not recorded against the file
• –Documents held in a personnel folder that is separate from the operational record
• –A screening completed by a previous employer, accepted informally, never re-evidenced

None of these mean the officer was not screened. They mean you cannot show it — which, in an assessment, amounts to the same finding.

Building the file as you go

The practical approach is to treat the screening file as the deliverable, rather than a by-product of a process that happens mostly in inboxes.

• –One record per officer, holding every screening document together
• –Employment history gaps recorded with the explanation attached, not remembered
• –Reference outcomes written down at the point they are received
• –Screening status visible operationally, so an unscreened officer is not deployed

Retention

Screening records are normally retained for a defined period after an officer leaves, and client contracts frequently impose their own requirements on top. Because the periods differ between the standard, your contracts and your own data protection position, they are worth confirming rather than assuming — check the current standard and your contracts.