Dolce & Gabbana

Sandblasting is a dangerous and deadly process which involves workers firing sand at jeans under high pressure. It has been known to kill workers within months as the inhalation of large amounts of silica dust generated during sandblasting causes silicosis, a potentially lethal pulmonary disease. Dolce & Gabbana continue to sell sandblasted denim clothing, even though a number of major brands, such as Levi's, Gucci and Versace have recently abolished sandblasted jeans in their collections and publicly supported a ban.
[Source 2011][More on Workers Rights]

The 2020 Fashion Transparency Index reviewed 250 of the world's largest fashion brands and retailers and ranked them according to how much they disclose about their social and environmental policies, practices and impacts. Brands owned by this company scored 3%, signifying it has little to no information about their supply chain practices or policies available to the public. The average score was 23% and the highest score was 73%.
[Source 2020][More on Sustainability Reporting]

This company has used fur in factory made clothing lines, and has not announced plans to stop.
[Source 2019][More on Animal Rights]