The company report external contractors however not explicitly report supply chain workers.
"• Whistleblowing Policy which encourages anyone to report any concerns about employment conditions, modern slavery or wider issues. An independent external Whistleblowing Hotline is available so that disclosures can be made without fear of retaliation. This service is available to all employees, temporary workers and agency staff, as well external contractors and consultants. Calls to the confidential hotline are monitored and escalated as appropriate if further action is required. To date we have not received any calls related to modern slavery issues;"