Quaker.org is the website of Britain Yearly Meeting (BYM), the main Quaker organisation in the UK, full of useful information.
Here is their page explaining what Quakers are and what we believe:
Here are some more of the BYM resources:
BYM, Outreach materials page
BYM, free resources
If you would like to email BYM with other enquiries about Quakers, the address is firstname.lastname@example.org
If you do not have access to websites or email, BYM can be reached on 020 7663 1000 and they should be able to help with any enquiry.
Woodbrooke is a large Quaker study centre in Birmingham. Here is their page for those new to Quakers.
Woodbrooke also run a number of Zoom meetings for worship
Three of the many engaging online Quaker blogs. Here are two of them: