One of their delivery vans just went by me:
Checked on my phone, organic and grass fed.
I was looking through the site and found this:
What are the animals fed?
They graze outside through most of the year and in winter they eat organic grain.
At the moment Tesco has Half Price for the organic "Finest" series beef on a good discount - http://www.tesco.com/groceries/Product/Details/?id=258725473. I suggest buying one of those, chopping it up and freezing each separate peace - you'll have some good quality beef for quite a long time. Did that myself - considering buying another one, actually.