Drinks giant Diageo tops good governance rankings
Aviva, GKN and Barclays also ranked highly on the index.
Drinks giant Diageo tops good governance rankings
![Drinks giant Diageo tops good governance rankings](https://www.teenfm.co.uk/wp-content/uploads/2017/10/wire-1504509-1507590390-615_154x115.jpg)
Drinks giant Diageo tops good governance rankings
Aviva, GKN and Barclays also ranked highly on the index.