The National Physical Laboratory (NPL) intends to procure a contract for the provision of security guarding services across its estate. The services will include, but are not limited to, manned guarding, access control, patrols, incident response, and support for site safety and security operations. The contract will require the supplier to provide trained and licensed personnel, supervision, and management necessary to deliver a high-quality, compliant security service aligned to health, safety, and regulatory standards.