NSPCC and O2
A variety of different resources on different aspects of online safety and tips and hints for very popular children's websites. (0808 800 5002)
Run by the National Crime Agency it has a number of different reporting options if you are concerned about your child's safety online. The 'Think You Know' website they run has a number of videos showing you the best ways to keep your child safe online, it also has age appropriate pages for you child to use to learn about staying safe online.
Provides reviews and age related recommendations of the latest apps and games available online for everyone. These are safe forms of media that you could direct your children to.
UK Safer Internet Centre
Run by an organisation that is dedicated to creating a safer internet for everyone. It has a number of useful resources for parents and carers looking to keep their children safe online along with a helpline and advice centre where you can ask specific questions about internet safety.
Supporting parents and carers with advice and resources on bullying, in particular, cyberbullying.
Providing support and advice about how to keep children safe on their phones.