3d) Envoy lacks ultimate qualification (7)
8d) Sing to a duke in comfortable surroundings (8)
15d) Piece of kit I can reorder with electronics company around (9)
21a) Caught in temptation to make riches (5)
24a) After time, European organisation sets pick-me-up from Germany (8)
All help greatly appreciated.
Thank you all for your prompt and very helpful answers. Again selecting a
'Best Answer' was very difficult so I have gone for the one who gave both
answers and explanations. Good luck to all.