The UK Supreme Court was set up under the Constitutional Reform Act 2005. Section 27(8) mandates
In making selections for the appointment of judges of the Court the commission must ensure that between them the judges will have knowledge of, and experience of practice in, the law of each part of the United Kingdom.
It appears that selection is made by a commission, who pass the names of their selected candidates to the Prime Minister. Only the Prime Minister can recommend their appointment, and he can only recommend people selected by the commission. However, there are also Regulations under section 27A which impose further conditions and safeguards. On the recommendation of the Prime Minister, the justices are actually appointed by the King.
The twelve Justices of the Supreme Court are currently:
- President of the Supreme Court, The Right Hon The Lord Reed of Allermuir (S)
- Deputy President of the Supreme Court, The Right Hon Lord Hodge (S)
- Justice of the Supreme Court, The Right Hon Lord Lloyd-Jones (W)
- Justice of the Supreme Court, The Right Hon Lord Briggs of Westbourne (E)
- Justice of the Supreme Court, The Right Hon Lord Sales (E)
- Justice of the Supreme Court, The Right Hon Lord Hamblen of Kersey (E)
- Justice of the Supreme Court, The Right Hon Lord Leggatt (E)
- Justice of the Supreme Court, The Right Hon Lord Burrows (E)
- Justice of the Supreme Court, The Right Hon Lord Stephens of Creevyloughgare (NI)
- Justice of the Supreme Court, The Right Hon Lady Rose of Colmworth (E)
- Justice of the Supreme Court, The Right Hon Lord Richards of Camberwell (E)
Of those, the two most senior are Scottish; one is Welsh; one is experienced in Northern Ireland and eight in England. Their full biographies are available.