Custodial and Detention Services

G4S has been providing value for money, innovation, and social benefit within the criminal justice sector in the United Kingdom since the first private sector prison in the country was opened in 1992. Since then, expertise from around the business has been used to expand and improve our offering.

Prison officer checking cell

Overview of current services

HMP Altcourse in Liverpool was the first private finance initiative (PFI) prison to be awarded to the private sector.  It is a category ‘B’ prison that holds 1288 young offenders and adult males sentenced and remanded.

HMP Oakwood became operational in April 2012. When it reaches capacity it will be one of the largest prisons in England and Wales, providing places for up to 1,605 Category C male prisoners. It is located next to the existing HMP Featherstone and HMP Brinsford near Wolverhampton. The prison is expected to be at full capacity by autumn 2012.  

HMP & YOI Parc in Bridgend, South Wales was the first private prison to open its doors under the Governments PFI project.  Is a category ‘B’ local prison. The prison holds 1474 sentenced and remanded adults and young offenders (18-21).  In addition, there is a separate Young Persons Unit that can accommodate 64 young people (15-18).

HMP Rye Hill near Rugby, is a category ‘B’ training prison that holds 660 sentenced males adults, which includes a separate purpose designed unit for 150 vulnerable prisoners which has its own regime and facilities.

For information about other prisons in the UK please visit the HM Prison & Probation Service' prison finder.

Innovation in minimising re-OCCURRING offending

Parc Supporting Families’ (PSF) aims to support and develop innovative ways that healthy family ties can be established, maintained and enhanced whilst a family member is serving a sentence at HMP Parc.

PSF includes:

  • Family intervention unit - a 62 bed living unit where the entire focus of the environment is upon repairing, enhancing and taking responsibility for relationships, parenting and family.

  • Invisible Walls Wales – interventions and support for prisoners and their families via Family Intervention workers based in the prison and practitioners based in the community.

  • Family centred visits – activities for children and families maximise the engagement between the prisoner and their family on these visits, with the opportunity to have family photographs taken.

  • Children and family friendly visiting – play areas in both the visits hall and visitor reception area, push chairs and baby changing facilities, helpful and sensitive staff.

  • Parenting programmes for prisoners – including Parenting for Dads, M-PACT, Fathers Inside and Family Man.


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