Bob is a member of several All Party Parliamentary Groups, including ones associated with Israel, India, Nepal, Azerbaijan, Sri Lanka, Brazil, Croatia, the USA and the UAE.

He is also a member of groups with particular interests in a widespread series of topics on Science, technology, communications, media, Bridge, Football and Cricket.

Further to this, he is a Co-Chairman of the All Party Parliamentary Group for Justice for Equitable Life Policy Holders, is now Chairman of the All Party Parliamentary Group on Smoking and Health an also leads the All Party Parliamentary Group for British Hindus.