Shergroup are the security to rough up the old grans and one and all at Link Road protest site at Combe Haven Valley.
They can be contacted at
 enquiries@shergroup.net
Telephone:0845 890 9220
Headquarters: Century Drive,Braintree,Essex CM77 8YG
 http://www.shergroup.net/

So a possible demo outside their offices could be a good idea!
Same security responsible for Occupy London and so on....
As they say...
''Protecting personnel and assets..''.