Isio Investment Solutions Limited

Active03981512 Private limited company

Incorporated: 27 April 2000 (26 years)
Previously known as: Isio Total Reward and Benefits Limited (until 24 February 2025)
Deloitte Total Reward and Benefits Limited (until 6 June 2023)
Deloitte & Touche Investment Services Limited (until 30 July 2003)
Earlier: Listlee Limited
Industry: Other business support service activities n.e.c. (82990)
Directors: Andrew James Tunningley
Gareth Huw Roberts
Robert Le Page Agnew
all 4 directors
Owned by: Brimslade Regco Limited
Accounts type: Full
Region: Greater London
Address: 10 Norwich Street
London
EC4A 1BD

Website & contact details

Group website: isio.com
The site of this company’s group or brand.

Filing status

Accounts due: 30 June 2027
Last accounts: 30 September 2025
Conf. stmt due: 11 May 2027
Last conf. stmt: 27 April 2026

Officers 4 active

Officer details are public data from the Companies House register.

Tunningley, Andrew James

Director · Appointed 10 September 2026

Also at Collidr Technologies Limited, Collidr Asset Management Limited, Collidr Capital Limited · more companies

British

Born March 1967 (59)

Roberts, Gareth Huw

Director · Appointed 3 February 2026

Also at Trafalgar House Pensions Administration Limited, Collidr Technologies Limited, Collidr Asset Management Limited · more companies

British

Born November 1978

Agnew, Robert Le Page

Director · Appointed 1 February 2025

British

Born January 1974 (52)

Woodhouse, Christopher

Director · Appointed 1 February 2025

British

Born June 1961 (65)

Officer history (32 former)

10 September 2026

Appointed Tunningley, Andrew James as Director

3 February 2026

Appointed Roberts, Gareth Huw as Director

30 May 2025

Resigned Pain, Ian Richard as Director

1 February 2025

Appointed Agnew, Robert Le Page as Director

1 February 2025

Appointed Woodhouse, Christopher as Director

1 February 2025

Resigned Coles, Andrew James as Director

7 December 2023

Resigned Jones, Mark Edward as Director

7 December 2023

Resigned Slater, Richard Harvey as Director

26 May 2023

Resigned Geeson, Paul Nicholas as Director

26 May 2023

Appointed Coles, Andrew James as Director

26 May 2023

Resigned Stonecutter Limited as Corporate Secretary

26 May 2023

Resigned Insole, Richard Simon as Director

26 May 2023

Resigned Mewis, Andrew Simon as Director

26 May 2023

Resigned Jones, Mark Edward as Director

26 May 2023

Resigned Abbey, Tamsin Jane as Director

26 May 2023

Resigned Mcclintock, William Mark as Director

26 May 2023

Appointed Pain, Ian Richard as Director

26 September 2022

Resigned Duncumb, William Richard as Director

6 January 2021

Appointed Mewis, Andrew Simon as Director

8 January 2020

Appointed Insole, Richard Simon as Director

13 June 2018

Appointed Jones, Mark Edward as Director

13 June 2018

Appointed Jones, Mark Edward as Director

5 September 2017

Appointed Abbey, Tamsin Jane as Director

5 September 2017

Resigned Mitchell, Robert Feargus as Director

5 September 2017

Resigned Mewis, Andrew Simon as Director

5 September 2017

Resigned Hurley, Richard Laurence as Director

5 September 2017

Resigned Robbins, David Julian as Director

5 September 2017

Resigned Clare, Anthony Graham as Director

11 June 2014

Appointed Duncumb, William Richard as Director

31 May 2014

Resigned Landes, Anthony David as Director

10 December 2013

Resigned Green, Robert John as Director

1 December 2013

Appointed Hurley, Richard Laurence as Director

30 October 2012

Appointed Green, Robert John as Director

4 May 2012

Appointed Mcclintock, William Mark as Director

27 April 2012

Resigned Green, Andrew Keith as Director

31 August 2011

Resigned Haughey, Eileen Mary as Director

19 August 2011

Appointed Mewis, Andrew Simon as Director

10 August 2011

Appointed Slater, Richard Harvey as Director

9 June 2010

Appointed Haughey, Eileen Mary as Director

31 March 2010

Resigned Willis, Jamie Martin as Director

22 October 2009

Resigned Harvey Wood, Orlando Christian as Director

31 July 2008

Resigned Challah, Sabri, Dr as Director

11 April 2007

Appointed Green, Andrew Keith as Director

15 February 2007

Appointed Geeson, Paul Nicholas as Director

2 November 2005

Appointed Clare, Anthony Graham as Director

1 August 2005

Appointed Robbins, David Julian as Director

4 May 2005

Resigned Walsh, Brett Cecil Gibson as Director

31 August 2004

Appointed Challah, Sabri, Dr as Director

13 August 2004

Appointed Landes, Anthony David as Director

1 June 2004

Appointed Willis, Jamie Martin as Director

2 April 2004

Resigned Osborn Barker, Anthony Phillip as Director

2 April 2004

Resigned Sprague, Mark Ian as Director

14 November 2003

Appointed Walsh, Brett Cecil Gibson as Director

22 September 2003

Appointed Stonecutter Limited as Corporate Secretary

22 September 2003

Resigned Scott, Peter John as Secretary

25 January 2003

Resigned Wright, Derek John as Director

25 January 2003

Appointed Harvey Wood, Orlando Christian as Director

31 May 2002

Resigned Major, David Leonard as Director

19 February 2002

Appointed Sprague, Mark Ian as Director

19 February 2002

Appointed Osborn Barker, Anthony Phillip as Director

21 June 2000

Appointed Major, David Leonard as Director

21 June 2000

Appointed Scott, Peter John as Secretary

21 June 2000

Appointed Mitchell, Robert Feargus as Director

21 June 2000

Appointed Wright, Derek John as Director

21 June 2000

Resigned Combined Secretarial Services Limited as Corporate Nominee Secretary

21 June 2000

Resigned Aucott, Matthew Russell as Director

27 April 2000

Appointed Combined Secretarial Services Limited as Corporate Nominee Secretary

27 April 2000

Appointed Aucott, Matthew Russell as Director

Ownership 1 active

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

Brimslade Regco Limited

Corporate entity · Notified 28 August 2026

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Private Company

Reg. no. 13590414

Former controllers (6)

28 August 2026

Ceased Ignace Louis Ghislain Van Waesberghe — Has significant influence or control

28 August 2026

Ceased Vincenzo La Ruffa — Has significant influence or control

29 October 2024

Ceased Exponent Private Equity Co-Investment GP LLP — Owns 25–50% of shares

29 October 2024

Ceased Exponent Private Equity LLP — Owns 25–50% of shares (as a firm)

1 May 2024

Ceased Exponent Private Equity Partners GP IV LLP — Owns 25–50% of shares

26 May 2023

Ceased Deloitte & Touche Holdings Limited — Owns 75–100% of shares

Group structure 5 companies

Ownership group derived from the Companies House PSC register

Brimslade Regco Limited

Collidr Capital Limited Owns 75–100% of shares

Collidr Asset Management Limited Owns 75–100% of shares

Collidr Technologies Limited Owns 75–100% of shares

Isio Investment Solutions Limited This company Owns 75–100% of shares

Filings 184

Date	Description	Made Up To	Pages	PDF
22 September 2026	Appointment of a director
15 September 2026	Cessation of a person with significant control
15 September 2026	Cessation of a person with significant control
15 September 2026	Notification of a person with significant control
10 June 2026	Replacement filing for the appointment of a director