Business company (4)
I believe the answer is:
firm
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">business</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(firm is a kind of business)</span><br/ ><br/ >'<span class="explanation-format__original">company</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(firm can mean a company or business)</span><br/ ><br/ ></span>
(Other definitions for firm that I've seen before include "Steady commercial organisation?" , "Fixed" , "Hard" , "Unyielding; company" , "Unyielding business concern?" .)