Best for.....?
Calling home?
Data?
Local calls?
In the UK I could give you a different operator for each one. There are some MVNOs that specialise in international roaming SIMs e.g Lebara. But to give a more qualified answer a better idea of what's important to you would help.
thanks a lotIf you want VoIP then the best choice in the UK will be SIM Only Deals - Pay As You Go Plans - Three
