Website & contact details
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- The site of this company’s group or brand.
Omass Therapeutics Limited
- Incorporated
- 26 February 2016 (10 years)
- Previously known as
- Omass Technologies Limited (until 21 November 2018)
- Industry
- Research and experimental development on biotechnology (72110)
- Directors
- Audrey CacalyEvan GreifCarol Anne Schafer
- Owned by
- Syncona Limited
- Accounts type
- Full
- Region
- South East
- Address
- Building 4000 John Smith DriveOxford Business Park SouthOxfordOX4 2GX
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 26 March 2027
- Last conf. stmt
- 12 March 2026
Charges
- Total
- 1
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 1
Officers 9 active
Officer details are public data from the Companies House register.
Cacaly, Audrey
Director · Appointed 25 September 2026
French
Born August 1992 (34)
Greif, Evan
Director · Appointed 25 September 2026
American
Born July 1990 (36)
Schafer, Carol Anne
Director · Appointed 7 July 2025
American
Born August 1963 (63)
Biller, Scott, Dr (Phd)
Director · Appointed 19 April 2022
American
Born December 1955 (70)
Director · Appointed 14 October 2020
British
Born February 1960 (66)
Franchimont, Nathalie Marie Berthe Michelle
Director · Appointed 23 July 2020
Belgian
Born October 1965 (61)
Deegan, Rosamond Margaret Chevallier
Director · Appointed 30 May 2019
British
Born February 1973 (53)
Montagu Daoust, Jonathan Deane
Director · Appointed 30 May 2019
British
Born October 1975 (51)
Director · Appointed 24 May 2017
British
Born August 1963 (63)
Officer history (13 former)
25 September 2026
Appointed Greif, Evan as Director
25 September 2026
Resigned Crespo-Martin, Laia, Phd as Director
25 September 2026
Resigned Bernstein, Diana as Director
25 September 2026
Appointed Cacaly, Audrey as Director
25 September 2026
20 May 2026
19 May 2026
17 March 2026
Resigned Geraghty, James Arthur as Director
9 February 2026
Resigned Volck, Birgitte, Dr as Director
7 July 2025
Appointed Schafer, Carol Anne as Director
1 February 2025
Appointed Volck, Birgitte, Dr as Director
9 May 2023
Appointed Geraghty, James Arthur as Director
19 April 2022
Appointed Bernstein, Diana as Director
19 April 2022
Resigned Robinson, Carol, Professor Dame as Director
19 April 2022
Appointed Crespo-Martin, Laia, Phd as Director
19 April 2022
Appointed Biller, Scott, Dr (Phd) as Director
14 October 2020
14 October 2020
23 July 2020
Appointed Franchimont, Nathalie Marie Berthe Michelle as Director
30 May 2019
Appointed Montagu Daoust, Jonathan Deane as Director
30 May 2019
Appointed Deegan, Rosamond Margaret Chevallier as Director
30 May 2019
Resigned Hopper, Jonathan, Doctor as Director
29 June 2018
28 June 2018
28 June 2018
31 March 2018
Resigned Humm, Roger James as Secretary
31 March 2018
24 May 2017
24 May 2017
1 April 2016
24 March 2016
22 March 2016
Appointed Hopper, Jonathan, Doctor as Director
22 March 2016
Appointed Robinson, Carol, Professor Dame as Director
26 February 2016
Appointed Humm, Roger James as Secretary
26 February 2016
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Syncona Limited
Corporate entity · Notified 11 September 2018
Owns 25–50% of shares
Holds 25–50% of voting rights
Limited Company
Reg. no. 55514
Former controllers (3)
30 September 2026
Ceased Oxford Science Enterprises Holdings II Limited — Owns 25–50% of shares
11 September 2018
Ceased Oxford Science Enterprises Holdings II Limited — Owns 25–50% of shares
11 September 2018
Ceased Oxford Sciences Innovation PLC — Owns 25–50% of shares
Financials
Latest accounts, made up to 31 December 2025, aren't available as data. See them on Companies House
Filings 154
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 21 October 2026 | Cessation of a person with significant control | |||
| 14 October 2026 | Cancellation of shares | |||
| 14 October 2026 | Purchase of own shares | |||
| 9 October 2026 | Memorandum and Articles of Association | |||
| 9 October 2026 | Resolutions |
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