1.
American Express
1850
2.
American International Group
1919
3.
Aon plc.
1919
4.
APIS Assay Technologies
2018
5.
Appleton Gerrard Private Wealth Management
2010
6.
Applied Research Centre at University of Manchester
7.
Aquarius Equity Partners
2005-01-01
8.
Arbuthnot Latham & Co., Limited
1833
9.
Arch Insurance
2002
10.
Arlington Medical Consultancy
2010
11.
AstraZeneca
1999-04-06
12.
Atomico
2006-06-01
13.
Aviva Group
1696
14.
AXA
15.
B-North
2018
16.
Babylon Health
2013
17.
Bamburgh Capital
18.
Bank of China
1912
19.
Bank of England
1694
20.
Barclays
1690-01-01
21.
Beech Tree Private Equity
22.
Beringea
1988-01-01
23.
Berkshire Hathaway Reinsurance Group
1839
24.
BGF Ventures
25.
Biocity
2002