William Blair International, Ltd

Active03619027 Private limited company

What William Blair International say about themselves

“William Blair is the premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs.”

— from williamblair.com
Incorporated
20 August 1998 (28 years)
Industry
Financial intermediation not elsewhere classified (64999)
Directors
Simon Johnstone
Stewart Licudi
Michael Trimberger
Owned by
William Blair & Company LLC
William Blair & Company, L.L.C.
Accounts type
Group
Region
Greater London
Address
22 Bishopsgate
47th Floor
London
EC2N 4BQ

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
3 September 2027
Last conf. stmt
20 August 2026

Charges

Total
1
Outstanding
1
Part satisfied
0
Satisfied
0

Officers 7 active

Officer details are public data from the Companies House register.

Johnstone, Simon
Director · Appointed 1 April 2025
British
Born October 1974 (52)
Licudi, Stewart
Director · Appointed 1 January 2025
British
Born July 1970 (56)
Citardi, Cissie
Secretary · Appointed 29 August 2023
Trimberger, Michael
Director · Appointed 1 July 2023
American
Born November 1972
Citardi, Cissie
Director · Appointed 15 January 2022
American
Born June 1975 (51)
Director · Appointed 3 March 2017
British
Born May 1968 (58)
Gledhill, Brent Walker
Director · Appointed 4 August 2016
American
Born July 1969 (57)
Officer history (26 former)
1 April 2025
Appointed Johnstone, Simon as Director
1 April 2025
Resigned Bennett, James Alexander as Director
1 January 2025
Appointed Licudi, Stewart as Director
1 January 2025
Resigned Sharma, Anurag, Dr as Director
29 August 2023
Appointed Citardi, Cissie as Secretary
29 August 2023
Resigned Crewe, Sonia Louise as Secretary
1 July 2023
Appointed Trimberger, Michael as Director
1 July 2023
Resigned Zindel, Jon as Director
7 March 2023
Resigned Anderson, Marili as Secretary
7 March 2023
Appointed Crewe, Sonia Louise as Secretary
15 January 2022
Resigned Braming, Stephanie as Director
15 January 2022
Resigned Simon, Arthur Joseph as Secretary
15 January 2022
Appointed Anderson, Marili as Secretary
15 January 2022
Resigned Ettelson, John Roger as Director
15 January 2022
Resigned Moore, John as Director
15 January 2022
Resigned Simon, Arthur Joseph as Director
15 January 2022
Appointed Citardi, Cissie as Director
7 March 2019
Appointed Sharma, Anurag, Dr as Director
21 January 2019
Appointed Bennett, James Alexander as Director
11 January 2019
Resigned Gooch, Matthew as Director
30 September 2018
Resigned Mastrangelo, Ralph Anthony as Director
19 May 2018
Appointed Braming, Stephanie as Director
23 August 2017
Resigned Seitz, Michelle Renae as Director
3 March 2017
Resigned Smirl, Richard William as Director
3 March 2017
Appointed Ross, Thomas as Director
4 August 2016
Appointed Gledhill, Brent Walker as Director
28 November 2012
Appointed Zindel, Jon as Director
13 November 2012
Resigned Burke, Timothy Lee as Secretary
13 November 2012
Resigned Burke, Timothy Lee as Director
13 November 2012
Appointed Simon, Arthur Joseph as Secretary
1 October 2012
Resigned Coolidge Iii, Edgar David as Director
1 October 2012
Appointed Seitz, Michelle Renae as Director
1 October 2012
Appointed Smirl, Richard William as Director
23 March 2009
Appointed Moore, John as Director
23 March 2009
Resigned Lacher, Albert Joseph as Director
23 March 2009
Appointed Gooch, Matthew as Director
23 March 2009
Resigned Gledhill, Brent Walker as Director
31 August 2005
Resigned Timmerman, Mark Allen as Director
31 August 2005
Appointed Gledhill, Brent Walker as Director
31 August 2005
Appointed Mastrangelo, Ralph Anthony as Director
31 August 2005
Resigned Wilson, Daniel Joseph as Director
25 July 2002
Resigned Kiphart, Richard Paul as Director
25 July 2002
Appointed Simon, Arthur Joseph as Director
1 June 2002
Resigned Kayser, John Paul as Director
1 June 2002
Appointed Ettelson, John Roger as Director
29 June 2001
Resigned Cappabianca, Edward Charles as Director
1 August 2000
Appointed Wilson, Daniel Joseph as Director
1 August 2000
Appointed Cappabianca, Edward Charles as Director
1 August 2000
Appointed Timmerman, Mark Allen as Director
31 July 2000
Resigned Draper, John Marshall as Director
31 July 2000
Resigned Fordham, John as Director
24 March 1999
Appointed Fordham, John as Director
20 August 1998
Appointed Lacher, Albert Joseph as Director
20 August 1998
Appointed Coolidge Iii, Edgar David as Director
20 August 1998
Appointed Kiphart, Richard Paul as Director
20 August 1998
Appointed Burke, Timothy Lee as Secretary
20 August 1998
Appointed Kayser, John Paul as Director
20 August 1998
Appointed Burke, Timothy Lee as Director
20 August 1998
Appointed Draper, John Marshall as Director

Ownership 2 active

People and entities with significant control, from the Companies House PSC register

William Blair & Company LLC
Corporate entity · Notified 20 August 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors (as a firm)
Has significant influence or control (as a firm)
Llc
Reg. no. 8-02698
William Blair & Company, L.L.C.
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Has significant influence or control (as a firm)
Limited Liability Company
Reg. no. 2556846

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
4 September 2026Confirmation statement with no updates20 August 2026
3 September 2026Notification of a person with significant control
18 August 2026Group of companies' accounts31 December 2025
22 August 2025Confirmation statement with no updates20 August 2025
15 August 2025Group of companies' accounts31 December 2024
Show all recent filings

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