By Ollie Saiman Here’s how wealth creators in the UK can navigate the upcoming tax changes, write Ollie Saiman and Katherine Waller As we approach the new government’s first budget it seems almost impossible to avoid the widespread speculation about what Halloween tricks or treats are going to jump out of the Chancellor’s red box on 30 October. Given the seriousness of the apparent £22bn black hole, it seems reasonable to assume that we should brace ourselves for tax rises, rather than tax cuts. Within this context we’re not particularly surprised about the exodus of non-doms and high-net-wort…