8. Bupa

Premiums gross written: £1.56 billion (2018)

One of the biggest insurers in the UK's market for private health insurance is Bupa.

It is a member of a select group that accounts for 90% of market share and includes Prudential, Aviva, and AXA PPP.

The company operates in a number of foreign countries in Europe, Asia, and the Middle East, with its UK policies accounting for 17.5% of its GWP.

Despite being based in the UK, Bupa's biggest market—and 42.9% of its insurance business—is in Australia and New Zealand....NEXT......NEXT