Thanks for your patience.
Yes, Kings Court Chambers are a legitimate firm of barristers. You can check yourself by using www.legalhub.co.uk which is the search engine that the Bar Council itself recommends using to search for barrister:-
Recommended by the Bar Council here:-
The entry on the legal hub is as follows:-
Kings Court Chambers
3rd Floor, Albert House, 12-26 Albert Street
Chambers of Mr I A MacDonald QC and Mr T Rehman
Barristers themselves do not need to be registered with the OISC because they are “qualified persons” under Section 84 (1) of the Immigration and Asylum Act 1999
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