A Swiss investigative organisation, Public Eye, released a report, saying that Nestle adds sugar to its baby food products sold in low-income countries in Africa, Latin America and Asia
Trump, who has refused to concede his loss to Democratic President-elect Joe Biden, had urged his supporters to come to Washington for a rally on Wednesday.
Shopify said the recent events determined that Trump's actions violated its policy, which prohibits promotion or support of organizations, platforms or people that threaten or condone violence to further a cause.
Attempts to access TrumpStore.com and shop.donaldjtrump.com, which sold "Make America Great Again" hats and similar items, were unsuccessful on Thursday, as the websites displayed error messages.
Shopify's move comes as social media platforms Twitter Inc , Facebook Inc and Snap Inc temporarily locked the accounts of US President Donald Trump on Wednesday.