About

Thank you for your interest in the Best SIM Only Deal website.

This website is ran by affiliate marketeer, web host and blogger Justin Callaghan.

Justin is a long standing member of the giffgaff mobile phone network and community.


As a giffgaff member, Justin is authorised (like you will be too if you join) to offer new recruits a £5 free signing up credit. You need to sign up via this unique link* to qualify for the credit when ordering your SIM card.

Giffgaff SIM cards come in a three-in-one size so one of the sizes will fit in your phone.  You just pop the one you want out and insert into your mobile phone.

The purpose of this website is to promote one of the best mobile phone operators which offers very low costing data, minutes and text plans. We also provide you with the information on how to switch mobile phone networks.

If you would like more information on joining giffgaff, please do not hesitate to contact Justin.