All products must meet MRHA rules - The UKCA marking
This is the conformity marking used for products being placed on the market in Great Britain (England, Scotland and Wales).The UKCA marking applies to most products for which the CE marking can also be used.
Different rules apply in Northern Ireland.For products that can use a UKCA marking in Great Britain, these must meet EU rules in Northern Ireland, including a CE marking.
SEE: UKCA Conformity
There are a few aricles about procurement here https://www.ebme.co.uk/articles/management