1-2-3 Income Tax Services is a locally-owned and operated business, based in Dorchester, ON. We specialize in income tax return preparation services. Get in touch with us to learn more about our services.1-2-3 Income Tax Services has been helping the public of Dorchester, ON, with our quality tax return preparation services. You can entrust us with your T1 personal income tax, T2 corporate income tax as well as T3 estate/trust income tax services. Our services cater to accounting services as well as personal finance services. We are committed to provide the best possible service to our customers, as you are our top priority. You can rely on our knowledgeable and experienced professionals. Contact us today. more...See more text