I've collected the SIM cards that give you cashback, via Quidco or TCP. Credit goes to the OP's of course, but i thought if you have them in one place it would be useful.
I've added the ones that havent been posted before
-Tesco are doing £4.50 for receiving and activating SIM pack
-O2 are doing 15p per SIM up to 4 SIMs via TopCashback (60p for 4)
-T-mobile as posted before are giving £1 via TPC and QC - I coudnt find the OP for this one, so would be grateful if anyone tells me so i can add it.
And recently added by vix_xxhttp://www.hotukdeals.com/item/459724/2-free-orange-sims-with-10-free-cre/
-Orange; go through TCP from either of these links to get £1 or 60p respectively
If anyone can tell me if any of these have been posted by others, I'll add the links and the OP's because I don't want to take any credit for someone else's work.
And if anyone knows anymore that can be added, that would be good!