U
V
W-Z

Companies U
Ultra Electronics        
Unhooked ltd        
Unilink Systems & Software        
US InfoNet

Companies V       
Valtech Limited        
Ventura        
VeriSign UK Limited        
Vertex Data Science Ltd        
Viisage Technology Inc.        
Voca Limited (formerly known as BACS)    
Vox Generation Limited

Companies W-Z    
Wireless Tracking Ltd        
Xansa plc        
Xerox (UK) Limited        
XID Technologies Pte Ltd        
Your Communications Limited