Tax Returns, Accounting Services and Financial Planning for Businesses and Individuals. In business since 1973, All Year Taxation offers a full range of professional accounting and tax services - Canada-wide. Our qualified professionals can prepare and file corporate income tax returns, both Federal and Provincial. We can also assist you with accounting services ranging from monthly bookkeeping to the preparation of financial statements. We can even handle your payroll—including T4, T4A and T5018 filings.