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UK Law Reference
All sentencing guidelines
crown court
England & Wales

Modern slavery / human trafficking

Modern Slavery Act 2015 ss.1-2

Maximum sentence: Life imprisonment · guideline effective from 01 October 2021

Independent editorial summary — not an official statement of the court, tribunal, or regulator.

This is a reference summary — not a definitive sentence

Sentencing is highly fact-specific. The judge follows a structured process: (1) determine offence category (harm × culpability); (2) identify starting point and range; (3) apply aggravating/mitigating factors; (4) consider guilty-plea reduction; (5) consider totality and ancillary orders. Only the authoritative Sentencing Council guideline gives the full grid for this offence.

Read the full guideline on sentencingcouncil.org.uk

The structured 5-step process

  1. Offence category. Determine harm and culpability (usually 1-3 each) — this gives a 3×3 grid.
  2. Starting point and range. The guideline specifies a starting-point sentence for each cell of the grid plus a range above and below.
  3. Adjust for factors. Apply statutory and offence-specific aggravators (e.g. previous convictions, on bail, hate motivation) and mitigators (e.g. first offence, age, sole carer status).
  4. Guilty-plea reduction. Up to one-third reduction for plea at first reasonable opportunity (sliding scale down to 10% if pleaded at trial).
  5. Totality, ancillaries, reasons. Consider concurrent/consecutive sentences, ancillary orders (compensation, restraining, driving disqualification, victim surcharge), and give reasons.

Factors increasing seriousness

Verbatim from the Sentencing Council guideline (non-exhaustive list).

  • Previous convictions
  • Offence committed whilst on bail
  • Offence motivated by, or demonstrating hostility based on any of the following characteristics or presumed characteristics of the victim: religion, race, disability, sexual orientation or transgender identity
  • Offending took place over a long period of time (in the context of these offences, this is likely to mean months or years) where not taken into account at step 1
  • Steps taken to prevent the victim reporting the offence or obtaining assistance
  • Deliberate targeting of victim who is particularly vulnerable (due to age or other reason)
  • Victim’s passport or identity documents removed
  • Gratuitous degradation of victim
  • Large-scale, sophisticated and/or commercial operation (where not taken into account at step 1)
  • Abuse of trust/responsibility
  • Substantial measures taken to restrain the victim
  • Victim forced to commit criminal offences (whether or not he/she would be able to raise a defence if charged with those offences), where not taken into account at step 1.

Factors reducing seriousness or reflecting personal mitigation

Verbatim from the Sentencing Council guideline (non-exhaustive list).

  • No recent or relevant convictions
  • Offender has been a victim of slavery/trafficking in circumstances unrelated to this offence
  • Positive character and/or exemplary conduct (regardless of previous convictions)
  • Remorse
  • Sole or primary carer for dependent relatives
  • Age and/or lack of maturity (which may be applicable to offenders aged 18-25)
  • Mental disorder or learning disability
  • Physical disability or serious medical condition requiring urgent, intensive or long-term treatment
  • Offender co‐operated with investigation, made early admissions and/or voluntarily reported offending

Last ingested: 2026-08-24 from sentencing-council.

The statute behind this offence

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