In June 2017, it was revealed that Anheuser-Busch InBev had acquired a minority stake in RateBeer via the incubator ZX Ventures. This purchase led to concerns that the company had a conflict of interest, citing that the site could present bias towards Anheuser-Busch InBev brands, that there was a lack of transparency over the role of the company's investment, and that it could potentially gain access to customer data.
Several breweries attempted to demand that their listings be removed from the website. Executive director Joe Tucker stated that "Nothing about this investment changes who we are and what we provide.