Sigma Tax and Accounting, our team of professionals have over 15 years of tax and accounting experience. To handle all your personal, business, corporate, and accounting-related work. Sigma Tax we understand that many business owners may not have time to update their accounts on a daily basis. As professional accountants, we can assist in company accounting, bookkeeping, and setup of any accounting software. Our professional team is committed, to making sure that we have looked at every aspect of your return ensuring that all government and regulatory compliance issues have been addressed.