Emma is the Labour MP for South Shields. Before entering the House of Commons, Emma worked as a child protection social worker. She also served as Councillor for Primrose Ward in South Tyneside, and was the lead member for adult social care. Emma is the first woman, and the first person to have been born within South Shields, to represent her constituency. She is a Shadow Minister.

Emma submitted evidence to the All-Party Parliamentary Inquiry into Hunger in the United Kingdom, on the landscape of food assistance in this country.