Business Accountants in Mount Isa, Queensland. Trekk Advisory Mount Isa are a team of expert number-crunchers who can provide you the advice, support, tech and the numbers you need to achieve success (whatever that means to you), throughout your entire journey. We know that the best outcomes come from within real relationships - not at arms length or strict "client | provider" divides. At the office, we like to say 'traditional accounting services, non-traditional levels of care'. If you'd like to talk about how we can help you dream big and map out how to get there, pop into the office for a coffee and a chat, or send through and email!