Hi, you will need to ask your setting's manager or SENCO about this as each county tends to name its teams of people who ensure children and young people's safety.
You might expect the agengcies to be the Children's Services department as provided by your Local authority. Your county's LSCB (local safeguarding children's board).
Page 90 has more information about TAC (Team Around the Child) and CAF (
Common Assessment Framework)
This thread also looks at the range of organisations involved in safeguarding
http://www.silkysteps.com/forum/showthread.php?t=17731
Best wishes