Simplybook
Just visited Bimble and the guys there explained and sorted my ancient motorhome's solar arrangement and saved me money in the process - they could have taken much more off me but didn't, and that's priceless! Highly recommended.
Google
Excellent service, answered a couple of questions quickly enabling me to place an order for 2 large solar panels that arrived on time and in re-usable cloth sacks which the delivery crew took away to use again.