Atrium Underwriters Limited

Active01958863 Private limited company

Incorporated: 14 November 1985 (40 years)
Industry: Non-life insurance (65120)
Directors: Rachel Fleur Elizabeth Grunert
Hans-Peter Thomas Gerhardt
John Fowle
all 9 directors
Owned by: Atrium Underwriting Group Limited
Accounts type: Full
Region: Greater London
Address: Level 20
8 Bishopsgate
London
EC2N 4BQ

Website & contact details

Group website: atrium-uw.com
The site of this company’s group or brand.

Filing status

Accounts due: 30 September 2027
Last accounts: 31 December 2025
Conf. stmt due: 4 July 2027
Last conf. stmt: 20 June 2026

Officers 10 active

Officer details are public data from the Companies House register.

Grunert, Rachel Fleur Elizabeth

Director · Appointed 1 January 2026

British

Born July 1971 (55)

Gerhardt, Hans-Peter Thomas

Director · Appointed 1 December 2025

Also at Atrium Underwriting Group Limited

Swiss

Born May 1955 (71)

Sgh Company Secretaries Limited

Corporate Secretary · Appointed 31 March 2024

Also at Kensington House Property Ltd, Kensington Construction Partners Ltd, Kensington House Ltd · more companies

Fowle, John

Director · Appointed 15 November 2023

Also at Atrium Underwriting Group Limited, Nomina No 207 LLP, Lloyd's Market Association · more companies

British

Born September 1969 (57)

Coll, Nicole

Director · Appointed 31 March 2023

Also at Societe Generale International Limited, Alopuc Limited, Atrium Underwriting Group Limited · more companies

British

Born January 1976 (50)

Laidlaw, Peter John

Director · Appointed 1 January 2023

British

Born May 1973 (53)

Stooke, Christopher Macdonald

Director · Appointed 1 January 2021

Also at Atrium Underwriting Group Limited, SLT Building Preservation Trust Limited, South London Theatre Centre Limited · more companies

British

Born April 1957 (69)

Steward, Kirsty Helen

Director · Appointed 23 January 2013

Also at Atrium Group Services Limited, Atrium Nominees Limited, Atrium Corporate Capital Limited · more companies

British

Born August 1977 (49)

Cox, James Malcolm

Director · Appointed 4 January 2013

Also at Atrium Group Services Limited, Atrium Insurance Agency Limited, Atrium Risk Management Services (Washington) Ltd. · more companies

British

Born July 1979 (47)

Shah, Samit

Director · Appointed 1 January 2012

Also at Atrium Underwriting Group Limited, Nomina No 207 LLP · more companies

British

Born October 1977 (49)

Officer history (46 former)

1 January 2026

Appointed Grunert, Rachel Fleur Elizabeth as Director

1 December 2025

Appointed Gerhardt, Hans-Peter Thomas as Director

1 December 2025

Resigned Hearn, Stephen Patrick as Director

31 December 2024

Resigned Lee, James Robert Francis as Director

31 July 2024

Resigned Riley, Stephen John as Director

31 July 2024

Appointed Hearn, Stephen Patrick as Director

31 March 2024

Appointed Sgh Company Secretaries Limited as Corporate Secretary

31 March 2024

Resigned Bruce, Martha Blanche Waymark as Secretary

15 November 2023

Appointed Fowle, John as Director

30 June 2023

Resigned Harries, Richard De Winton Wilkin as Director

31 March 2023

Appointed Coll, Nicole as Director

31 March 2023

Resigned Hamilton, Alexander Gordon Kelso as Director

1 January 2023

Appointed Laidlaw, Peter John as Director

1 January 2023

Resigned Drysdale, Toby Douglas as Director

12 March 2021

Resigned Merriman, Brendan Richard Anthony, Mr as Director

1 January 2021

Appointed Stooke, Christopher Macdonald as Director

31 December 2020

Resigned Cook, Steven James as Director

31 March 2020

Resigned Elliott, Andrew Duncan as Director

19 April 2018

Resigned Winyard, Andrew Dennis as Director

1 January 2018

Resigned O'Shea, Paul James as Director

1 February 2017

Resigned Packer, Nicholas Andrew as Director

8 May 2015

Resigned Moser, Scott Peter as Director

8 May 2015

Appointed Riley, Stephen John as Director

1 July 2014

Appointed Merriman, Brendan Richard Anthony, Mr as Director

16 April 2014

Appointed Hamilton, Alexander Gordon Kelso as Director

7 April 2014

Appointed Bruce, Martha Blanche Waymark as Secretary

7 April 2014

Resigned Balicao, Marla as Secretary

28 March 2014

Resigned Godbehere, Ann Frances as Director

31 December 2013

Resigned Marsh, Nicholas Carl as Director

25 November 2013

Resigned Lutenski, Richard Paul as Director

25 November 2013

Appointed Elliott, Andrew Duncan as Director

25 November 2013

Appointed Packer, Nicholas Andrew as Director

25 November 2013

Appointed O'Shea, Paul James as Director

6 February 2013

Resigned Baddeley, Andrew Martin as Director

23 January 2013

Appointed Steward, Kirsty Helen as Director

4 January 2013

Appointed Cox, James Malcolm as Director

29 June 2012

Appointed Balicao, Marla as Secretary

29 June 2012

Resigned Bruce, Martha Blanche Waymark as Secretary

23 May 2012

Resigned Cooper, Simon David as Director

5 April 2012

Resigned Rivaz, George Farnworth as Director

13 March 2012

Resigned Wilkins, Kevin William as Director

1 January 2012

Appointed Shah, Samit as Director

27 April 2010

Appointed Lutenski, Richard Paul as Director

18 March 2010

Resigned Kramer, Donald as Director

31 May 2008

Resigned Bailey, Charles Howard as Director

16 May 2008

Appointed Moser, Scott Peter as Director

18 February 2008

Resigned Herman, Mark Irving as Director

1 January 2008

Appointed Harries, Richard De Winton Wilkin as Director

1 January 2008

Appointed Drysdale, Toby Douglas as Director

1 January 2008

Appointed Winyard, Andrew Dennis as Director

31 December 2007

Resigned Dandridge, Christine Elaine as Director

3 December 2007

Appointed Baddeley, Andrew Martin as Director

30 November 2007

Appointed Godbehere, Ann Frances as Director

30 November 2007

Resigned Dumas, Henry Raymond as Director

11 October 2007

Appointed Herman, Mark Irving as Director

10 October 2007

Appointed Kramer, Donald as Director

8 October 2007

Appointed Herman, Mark Irving as Director

8 October 2007

Appointed Rivaz, George Farnworth as Director

8 October 2007

Resigned Kramer, Donald as Director

8 October 2007

Appointed Kramer, Donald as Director

8 October 2007

Resigned Herman, Mark Irving as Director

1 October 2007

Resigned Andrews, John Michael Geoffrey as Director

30 September 2007

Resigned Curtis, Simon Peter as Director

30 June 2006

Appointed Dumas, Henry Raymond as Director

30 June 2006

Resigned Lewy, Richard John as Director

30 June 2006

Resigned Rivaz, George Farnworth as Director

28 February 2005

Resigned Hipkin, David William as Director

20 May 2004

Appointed Cooper, Simon David as Director

29 April 2004

Resigned Denby, Mark Edmund as Director

29 July 2003

Appointed Rivaz, George Farnworth as Director

1 July 2003

Resigned Lee, James Robert Francis as Secretary

1 July 2003

Appointed Bruce, Martha Blanche Waymark as Secretary

1 October 2002

Appointed Lee, James Robert Francis as Director

28 June 2002

Appointed Lewy, Richard John as Director

8 April 2002

Appointed Lee, James Robert Francis as Secretary

8 April 2002

Resigned Maguire, Patrick Robert, Mr. as Secretary

1 August 2001

Appointed Curtis, Simon Peter as Director

7 August 2000

Appointed Hipkin, David William as Director

1 August 2000

Resigned Burnett, Daniel George as Director

26 August 1998

Resigned Cockell, Michael Henry as Director

1 August 1997

Appointed Cook, Steven James as Director

10 March 1997

Appointed Andrews, John Michael Geoffrey as Director

1 January 1997

Appointed Wilkins, Kevin William as Director

31 December 1996

Resigned Colton, Nicholas John as Director

31 December 1996

Resigned Burnett, Daniel George as Secretary

31 December 1996

Resigned Limond, Charles Allan as Director

31 December 1996

Resigned Vincent, Ian Derrick as Director

31 December 1996

Appointed Marsh, Nicholas Carl as Director

31 December 1996

Appointed Cockell, Michael Henry as Director

31 December 1996

Appointed Maguire, Patrick Robert, Mr. as Secretary

27 January 1994

Resigned Townsend, Wendy Patricia as Director

2 August 1993

Appointed Colton, Nicholas John as Director

25 February 1993

Appointed Bailey, Charles Howard as Director

31 December 1992

Resigned Bramall, George Robert as Director

Ownership 1 active

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

Atrium Underwriting Group Limited

Corporate entity · Notified 6 April 2016

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Limited By Shares

Reg. no. 2860390

Group structure 7 companies

Ownership group derived from the Companies House PSC register

Alopuc Limited

Atrium Underwriting Group Limited Owns 75–100% of shares

Atrium 5 Limited Owns 75–100% of shares

Atrium Group Services Limited Owns 75–100% of shares

Atrium Nominees Limited Owns 75–100% of shares

Atrium Insurance Agency Limited Owns 75–100% of shares

Atrium Underwriters Limited This company Owns 75–100% of shares

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To
6 July 2026	Full accounts	31 December 2025
3 July 2026	Confirmation statement with no updates	20 June 2026
27 January 2026	Secretary's details changed
9 January 2026	Appointment of a director
1 December 2025	Appointment of a director