1.

A B A Insurance Services Ltd 1993

2.

A J Bell 1995

3.

ABL Health 2009

4.

Accomplish Group 1983

5.

Acorn Insurance 1981

6.

Aegon 1983-01-01

7.

Afex 1979

8.

Affigo.io 2015

9.

AINOSTICS 2018-06-18

10.

AKL Research & Development 2013

11.

Akzo Nobel UK Pension Scheme 1792

12.

Allergi 2019

13.

Allied Irish Bank 1966

14.

American Express 1850

15.

American International Group 1919

16.

Aon plc. 1919

17.

APIS Assay Technologies 2018

18.

Appleton Gerrard Private Wealth Management 2010

19.

Arbuthnot Latham & Co., Limited 1833

20.

Arch Insurance 2002

21.

Arlington Medical Consultancy 2010

22.

AstraZeneca 1999-04-06

23.

AXA

24.

B-North 2018

25.

Babylon Health 2013