Vanquis Bank Limited is a UK-based financial institution that primarily offers credit card services to customers who may have limited access to mainstream credit. The bank is a subsidiary of Provident Financial Group, which has a long history of providing financial services to underserved markets.

In terms of sustainability, Vanquis Bank Limited is part of a larger group that has been making strides towards more sustainable business practices. The parent company, Provident Financial Group, has published ESG reports highlighting their commitment to reducing carbon emissions and improving their environmental impact. They have set targets to achieve net-zero carbon emissions by 2040 and are actively working on reducing their carbon footprint through various initiatives.

Vanquis Bank Limited is also involved in community engagement and financial education programs, aiming to promote financial inclusion and literacy. However, specific sustainability certifications or accreditations for Vanquis Bank Limited are not extensively documented, indicating that there may be room for further development in this area.