H.C. Clements

H.C. Clements was a company working with security systems. Their office was located in central London. H.C. Clements was secretly owned by Torchwood Institute.

Lance Bennett worked there as head of Human Resources, and his fiancée Donna Noble was temping there as a secretary.

H.C. Clements may return in Turn Left (Rumoured in DWM Production Notes)