Great question — answering as the UphillTech team:
The Government of Canada is well aware of unauthorised and deceitful companies offering to help with Canadian immigration. It publishes a page to help you determine if an immigration website is a scam. . Among other warning signs: you are asked to pay to access application forms and guides. IRCC only charges fees to process your application. Forms and guides are free on the IRCC website. the website offers special, too good to be true immigration deals, or guarantees entry into Canada, high-paying jobs or faster processing of your application. you must provide personal information, financial information or make a deposit before you even start the application process. Anyone who charges for...
Full answer by DJClayworth: https://travel.stackexchange.com/a/205726 (CC BY-SA 4.0).
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