Should have mentioned that the first in the Jack Taylor is called The Guards and the first of Brant/Roberts is called A White Arrest but is also published in a volume with the next two novels and that volume is called The White Trilogy.
It's moments like this that I love this website I now have an ever growing plethora of books to choose from. Thank you all for the recommendations and feel free to continue leaving more
P.T. Deutermann is another good suspense author who's an easy read. Check out The Cat Dancers and other book synopses here: P.T. Deutermann book gallery