Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 19 February 2027
- Last conf. stmt
- 5 February 2026
Instem Limited
- Incorporated
- 5 February 2010 (16 years)
- Previously known as
- Instem Life Science Systems PLC (until 13 January 2012)Helium Miracle 99 Limited (until 24 September 2010)This list may be incomplete. See all names on Companies House
- Industry
- Business and domestic software development (62012) Activities of head offices (70100)
- Directors
- Vincent Guillaumot
- Owned by
- Accounts type
- Group
- Region
- West Midlands
- Address
- Diamond WayStone Business ParkStoneST15 0SD
Charges
- Total
- 9
- Outstanding
- 5
- Part satisfied
- 0
- Satisfied
- 4
Officers 3 active
Officer details are public data from the Companies House register.
Corporate Secretary · Appointed 13 October 2025
Director · Appointed 13 October 2025
American
Born April 1981 (45)
Guillaumot, Vincent
Director · Appointed 5 February 2024
French
Born February 1978 (48)
Officer history (20 former)
20 April 2026
Resigned Farias-Eisner, Anthony Giorgio as Director
24 February 2026
13 October 2025
13 October 2025
13 October 2025
19 April 2024
19 April 2024
5 February 2024
5 February 2024
Appointed Farias-Eisner, Anthony Giorgio as Director
5 February 2024
Resigned Senderovitz, Thomas as Director
5 February 2024
Appointed Guillaumot, Vincent as Director
5 February 2024
Resigned Berger, Marc as Director
5 February 2024
Resigned Flinois, Xavier as Director
27 November 2023
Appointed Senderovitz, Thomas as Director
25 November 2023
Resigned Goldsmith, Nigel John as Secretary
20 November 2023
20 November 2023
20 November 2023
Appointed Berger, Marc as Director
20 November 2023
Resigned Bandali, Riaz Amirali as Director
20 November 2023
Resigned Dolson, Mary Ruth as Director
20 November 2023
20 November 2023
Appointed Flinois, Xavier as Director
31 January 2023
9 January 2023
Appointed Dolson, Mary Ruth as Director
1 December 2021
Appointed Bandali, Riaz Amirali as Director
29 November 2011
Resigned Sherwin, David Michael as Secretary
29 November 2011
Appointed Goldsmith, Nigel John as Secretary
29 November 2011
8 August 2011
Appointed Sherwin, David Michael as Secretary
8 August 2011
Resigned Mclauchlan, James as Secretary
8 August 2011
15 September 2010
15 September 2010
15 September 2010
15 September 2010
15 September 2010
15 September 2010
Appointed Mclauchlan, James as Secretary
15 September 2010
15 September 2010
15 September 2010
5 February 2010
5 February 2010
5 February 2010
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 20 November 2023
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 15079249
Holdings 10
Companies where Instem Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Group structure 4 shown
Ownership group derived from the Companies House PSC register
Ichor Midco Limited Owns 75–100% of shares
Ichor Management Limited Owns 75–100% of shares
Instem Limited This company Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 26 July 2026 | Group of companies' accounts | 31 December 2025 | ||
| 20 April 2026 | Termination of appointment of a director | |||
| 20 April 2026 | Confirmation statement with updates | 5 February 2026 | ||
| 6 March 2026 | Director's details changed | |||
| 26 February 2026 | Termination of appointment of a director |
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