Canada Customs & Revenue Agency (https://www.canada.ca/en/revenue-agency.html)
A great website to find out all sorts of information for your personal and business tax (including HST and payroll) and accounting matters.
Government of Ontario – Business and Economy (http://www.ontario.ca/business-and-economy/business-and-economy)
Information and support for starting and/or growing a business in Ontario.
Canadian Federation for Independent Business (http://www.cfib-fcei.ca/english/index.html)
For all small businesses who want a voice in changes that can affect you.
Government of Canada (http://canada.ca)
Your source for federal, provincial and territorial information and services such as business start-up, taxes, financing, and more.
The Bank of Canada (http://www.bank-banque-canada.ca)
Find out about the Bank of Canada, exchange rates, currency conversion.
Workplace Safety & Insurance Board (https://www.wsib.ca/en)
Keep informed of WSIB legislation. File your returns and obtain Clearance Certificates online.
Service Canada (http://www.servicecanada.gc.ca)
Find out about Records of Employment (ROE), Canada Summer Jobs, Services for Entrepreneurs, Employment Assistance Services, Job Bank for Employers, Small Business Internship Program, Work-Sharing Programs and much more.
Ontario Ministry of Labour (http://www.labour.gov.on.ca)
If you have employees, you will want to keep this website under your favourites.