How does someone get hired at Allianz Cornhill Information Services? What are the steps along the way?

Just apply. If you have basic maths and English, you will be trained on the job. Take all your training seriously, you will be thrown into the deep-end from the get go.

I applied through an advert in a newspaper. I understand they currently use agencies & recruitment fairs.

Interview with recruiting area and then with HR

I was referred by an existing colleague, normal background checks are performed inc crb