II and HL seem to pay a lot less than base rate on uninvested cash and I have
just noticed this document on the Aviva website that shows what they pay.
It looks like they just pay a flat 4.1% gross which is way more than the
stepped rates that the usual suspects pay us.
https://static.aviva.io/...erplatform/lf01087c.pdf
I arrived at this page by looking at the specification for the Aviva Stocks and Shares ISA
and followed the link to univested cash.