Assalamu ‘Alaikum wa Rahmatullah,
For those of you that are interested, here is a list of Halal Organic Chicken and Meat suppliers in the UK:
http://www.halalfreerangechicken.co.uk/
http://www.organic-halal-meat.com/index.php
http://www.willowbrookorganic.org/
Feel free to add to the list if you know anymore.
JazakAllahu Khair
Was Salam
Jashim