Private company
Logo: CGU plc, PD, via Wikipedia3
British insurance company (1998–2000)
CGU plc was a large insurance group, created by the merger of Commercial Union and General Accident in 1998. The company was listed on the London Stock Exchange. It merged with Norwich Union in 2000 to form CGNU plc, later renamed Aviva plc.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
See how the biggest companies compare on our leaderboards
CGU plc was a large insurance group, created by the merger of Commercial Union and General Accident in 1998. The company was listed on the London Stock Exchange. It merged with Norwich Union in 2000 to form CGNU plc, later renamed Aviva plc.2
The company was created by the 1998 merger of Commercial Union and General Accident. It was based at 1 Poultry in London.
It only existed for two years before it merged with Norwich Union in 2000 to form CGNU plc, later renamed Aviva plc.
In the US, the CGU casualty and property businesses were purchased by White Mountains Insurance Group; the name of the company was later changed to OneBeacon Insurance Company.
From Wikipedia’s article on CGU plc, shared under CC BY-SA 4.0.4
The numbers on this page point here. Each one links to the record it came from.
.png){kind=link}