The "magic circle" was a group of legal figures in Scotland whose actions were highly questionable. They participated and engaged in Both Child abuse and the cover-up, Without them the systematic abuse of children would not have continued.
Was there a "magic circle" in the legal profession in England and Wales?
There is powerful evidence that the following legal figures were participant in "improper conduct with children":
Leon Brittan QC a Barrister and Former Home Secretary
Greville Janner QC a Barrister and former Member of Parliament
Further there are allegations that senior figures in the legal establishment were at the least participant in covering up paedophilia:
Michael Havers QC (former Attorney General)
Thomas Hetherington QC (former Director of Public Prosecutions)
A senior member of the judiciary and a QC who is still alive
The allegations regarding the member of the judiciary are currently being assessed at Assistant Chief Constable level in the relevant Police force.
What is common is that the worst offender achieve the highest acclamation of Queens Council. Do they achieve this because they are a member of the 'Magic Circle'
Was there a "magic circle" outside Scotland?
I don't know but I know of nothing that leads me to exclude the possibility.