1.
A B A Insurance Services Ltd
1993
2.
A J Bell
1995
3.
ABL Health
2009
4.
Acorn Insurance
5.
Aegon
1983
6.
Afex
1979
7.
Affigo.io
2015
8.
AINOSTICS
9.
AKL Research & Development
2013
10.
Akzo Nobel UK Pension Scheme
1792
11.
Allergi
2019
12.
Allied Irish Bank
13.
American Express
1900
14.
American International Group
1919
15.
Aon plc.
1919
16.
APIS Assay Technologies
2018
17.
Appleton Gerrard Private Wealth Management
2010
18.
Arbuthnot Latham & Co., Limited
1833
19.
Arch Insurance
2002
20.
Arlington Medical Consultancy
2010
21.
AstraZeneca
22.
AXA
23.
B-North
2018
24.
Babylon Health
2013
25.
Bank of England
1694