Business - Tax - Learning. Northwest Accountancy is based in Karratha since 1997. We do accounting and tax work for individuals and businesses, and ensure that all your lodgements are done on time, in a timely manner. We also focus on business improvement with our Learning modules - from Cash to Reporting, Goal Setting and personal development, as well as bookkeeping training and business health checks. We know how hard it is for business owners to get good help, so we can help give your staff the tools they need to help you run a great business.