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Screening & Vetting14 May 2026 · 5 min read

Explaining gaps in employment history, properly

Most people's employment history has gaps in it, for entirely ordinary reasons — unemployment between roles, caring responsibilities, study, travel, ill health, or periods that simply were not employment at all. A gap is not, by itself, a red flag. What matters to a screening file is whether the gap has been asked about, and whether the answer has been written down.

The distinction that actually matters

There is a real difference between a gap that was investigated and reasonably explained, and one that was simply left blank because nobody asked. An assessor reviewing a file cannot tell those two situations apart unless the explanation is actually recorded — a conversation that happened but was never written down is, from the file's point of view, indistinguishable from a conversation that never happened.

What a recorded explanation should include

  • The period covered by the gap, stated clearly rather than left approximate
  • What the applicant says they were doing during it
  • Anything used to corroborate that account, where corroboration is reasonably available
  • Who reviewed the explanation and when, so the file shows a decision was made rather than an entry that appeared unattended

This applies whether the gap is short or long. A three-week gap between contracts and a two-year gap for caring responsibilities are asking different questions, but both need the same discipline of being written down at the time, rather than reconstructed later from memory when a file is requested.

When a gap should raise more than an explanation

Some gaps warrant more than a written note — an account that does not add up, a refusal to discuss a period at all, or a pattern of gaps across several jobs that is never quite explained the same way twice. None of this has a fixed rule that applies to every case; it is a judgement call, and it is one worth having a second, more senior person make rather than leaving to whoever happens to be processing the application that day.

For how this fits into the wider verification process, see verifying employment history for security officers.

Key takeaways

  • A gap in employment history is ordinary and not, by itself, a finding
  • The file needs to show the gap was asked about, not just that it exists
  • An unrecorded conversation is indistinguishable from no conversation at all, from the file's perspective
  • Record the period, the explanation, any corroboration and who reviewed it
  • Escalate accounts that do not add up to a second, more senior reviewer rather than deciding alone

The SecureOptix team

Written by people who work daily with security contractors on SIA licensing, screening and the records that hold up under an inspection.