Premium Security Services supply Security Guarding and Door Supervision operatives to elite venues throughout Central London. As a valued client of PSS, I am writing to thank you for trusting us to provide your security requirements and also to confirm that Premium Security Services (PSS) remains operational and ready to provide 24/7 manned guarding for your business. These are difficult and uncertain times for everyone and I would like to reassure you that whilst respecting the Prime Ministers instructions, we recognise that many of you will need to adapt your plans to deal with new challenges.