RE:RE:RE:RE:RE:RE:RE:RE:RE:RE:Update from Livramento. Well, according to TSX's own "Listed Company Directory", Valterra is listed on Venture.
You can check it yourself by going to their website of listed companies, click the Venture button, write VQA, and press search.
https://www.tsx.com/listings/listing-with-us/listed-company-directory Their status is "currently listed".
Besides, I wouldn't think you could trade on the Venture without being listed there. Isn't the point of exchanges that investors can trust that if a company can be bought through an exchange, that means that the company must meet the criterias for being listed?