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.