Mariam Jimoh, the founder of African and Caribbean goods and foods online delivery service Oja has announced the digital supermarket is shutting down. Oja – Digital Supermarket In 2020, British Nigerian Mariam Jimoh launched Oja, which means market in Yoruba, as the UK’s first ethnic digital supermarket focusing on African and Caribbean goods.  After struggling to find the Nigerian food she grew up with in her local supermarket chain, Jimoh was motivated to leave her corporate career and work towards a solution. The result was Oja, which promised fast and