I’ve included 3 choices for internet. I’ve used Sentex for 23 years, they are great.
https://www.bell.ca/Bell_Internet/Products/Fibre-to-the-home
https://www.rogers.com/consumer/internet
https://ssl.sentex.ca
Your natural gas and water is with Kitchener Utilities. Here’s the link to sign up
https://www.kitchenerutilities.ca/en/myaccount/Open-a-New-Account.asp
Electricity will be with
https://www.kwhydro.on.ca/en/Forms/NewAccount
Property taxes are with the City of Kitchener
https://www.kitchener.ca/en/city-services/tax-payment-options.aspx
How to change address for Ontario Government documents
https://www.ontario.ca/page/change-my-address-ontario-services
https://www.ontario.ca/page/change-address-drivers-licence-vehicle-permit-and-health-card
How to change address for Federal Government
https://www.canada.ca/en/government/change-address.html
Mail forwarding service
https://www.canadapost.ca/cpc/en/personal/receiving/manage-mail/mail-forwarding.page
You’ll need to contact your insurance company before you move and get home insurance. I use these guys:
https://www.cooperators.ca/local/jeff-lyle-insurance
You’ll need a mover. I highly recommend these guys. AMJ Campbell. My brokerage uses them all the time.
https://amjcampbell.com/en/locations/cambridge/cambridge-movers
Let your bank, credit card company, other services you use, doctor, dentist, schools, employer know of your new address.