London insurance market (6)
I believe the answer is:
lloyds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">london insurance market</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lloyds that I've seen before include "Underwriters with "names"" , "London insurance underwriters" , "bank" , "London's insurance market" , "Underwriters' assoc." .)