Rubuta ci gaba ga wannan sakin layi - Robertson ya zama barrister a 1973, kuma an nada shi QC a shekarar 1988. Ya zama sananne bayan ya yi aiki a matsayin mai ba da shawara a cikin fitattun fitattun fitattun 'yan Ingila na "OZ", "Gay News", da ABC Trial, "The Romans in Britain" (shari'ar da Mary Whitehouse ta gabatar), Randle &amp; Pottle, da Brighton fashewa
da kuma Matrix Churchill. Ya kuma kare mai zane J. S. G. Boggs daga tuhumar sirri da Bankin Ingila ya kawo game da zane-zanensa na kudin Burtaniya.