Service Ontario has resources from registering your business to incorporating.
SBS provides market research and resources to assist with start ups and also includes guides on business specific topics such as Incorporation and Not-for-profits.
Small Business Serviceshttps://sbs-spe.feddevontario.canada.ca/en
CRA is your go to for Income tax, HST, Payroll, Incorporation, Not-for-profits and Charities.
Import and Exporting Services
Canada Border Services Agencyhttps://www.cbsa-asfc.gc.ca/menu-eng.html
Zoning, Licenses and Permits
Employment services, subsidies and workplace safety coverage
YMCA Employment Serviceshttps://ymcaofsimcoemuskoka.ca/employment-services-locations/
Chamber of Commerce
For Women in Business
Not-for-profit & Charities
Registering for Charitable statushttp://www.cbo-eco.ca/en/index.cfm/managing/taxes/charitable-status/
Ontario Trillium Fundhttps://otf.ca/?redirected=1
Ontario Nonprofit Networkhttps://theonn.ca/
Federal Corporations - Industry Canadahttp://www.strategis.gc.ca/eic/site/cd-dgc.nsf/Intro