There are several organisations dedicated to supporting those affected by bereavement.

For anyone affected by grief, Cruse offer support and information.
A website which offers hope and specific resources for every kind of loss whether it be parent, child, friend or from an unexpected source.

Offering support for anyone affected by the loss of a baby before, during or after birth.
Survivors of bereavement by suicide. A website offering help and support for anyone affected by suicide. SOBS provide a National Support phoneline Monday and Tuesday 9am - 5pm (GMT) Tel. 0300 111 5065

The Samaritans offer free, around the clock, phone support for anyone who needs to talk 365 days a year. Tel. 116 123
Dedicated to better mental health, Mind provide details and resources of help in your area.