Spybiotech Limited

Active10649320 Private limited company

Incorporated: 2 March 2017 (9 years)
Industry: Research and experimental development on biotechnology (72110)
Directors: Stuart Chaffee
Edward James Gray
Ekaterina Smirnyagina
all 5 directors
Owned by: Oxford Science Enterprises Holding II Limited
Accounts type: Group
Region: South East
Address: 7600 The Quorum
Alec Issigonis Way
Oxford Business Park North
Oxford
OX4 2JZ

Filing status

Accounts due: 31 December 2026
Last accounts: 31 December 2024
Conf. stmt due: 15 March 2027
Last conf. stmt: 1 March 2026

Officers 5 active

Officer details are public data from the Companies House register.

Chaffee, Stuart, Dr

Director · Appointed 31 July 2025

American

Born September 1973 (53)

Gray, Edward James

Director · Appointed 2 February 2023

British

Born April 1959 (67)

Smirnyagina, Ekaterina, Dr

Director · Appointed 8 October 2021

French

Born August 1966 (60)

Crawford-Brunt, Andre

Director · Appointed 5 February 2021

Also at Braavos Investment Advisers LLP, Osler Diagnostics Limited · more companies

South African

Born March 1971 (55)

Biswas, Sumi

Director · Appointed 10 March 2017

British

Born July 1983 (43)

Officer history (6 former)

26 November 2025

Resigned Leuchtenberger, Mark as Director

31 July 2025

Appointed Chaffee, Stuart, Dr as Director

31 July 2025

Resigned Menichella, Daniel as Director

2 February 2023

Appointed Gray, Edward James as Director

6 October 2022

Resigned Giebel, Lutz as Director

6 June 2022

Appointed Leuchtenberger, Mark as Director

8 October 2021

Resigned Wong, James Ching Tung as Director

8 October 2021

Appointed Smirnyagina, Ekaterina, Dr as Director

25 February 2021

Appointed Menichella, Daniel as Director

5 February 2021

Appointed Giebel, Lutz as Director

5 February 2021

Appointed Crawford-Brunt, Andre as Director

5 February 2021

Resigned Porter, Carolyn Breege, Dr as Director

13 November 2020

Appointed Wong, James Ching Tung as Director

16 October 2020

Resigned Mackinnon, Lachlan Tom as Director

15 February 2018

Appointed Porter, Carolyn Breege, Dr as Director

10 March 2017

Appointed Biswas, Sumi as Director

2 March 2017

Appointed Mackinnon, Lachlan Tom as Director

Ownership 1 active

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

Oxford Science Enterprises Holding II Limited

Corporate entity · Notified 2 March 2018

Owns 25–50% of shares

Holds 25–50% of voting rights

Public Limited Company

Reg. no. 09093331

Former controllers (1)

2 March 2018

Ceased The Chancellor, Masters and Scholars of the University of Oxford — Owns 25–50% of shares

Group structure 18 shown

Ownership group derived from the Companies House PSC register

Oxford Science Enterprises PLC

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Cora Biosciences Limited Owns 25–50% of shares

Credo Therapies Ltd Owns 50–75% of shares

Dark Horse Technologies Ltd In liquidationOwns 25–50% of shares

Densix Limited Owns 25–50% of shares

Dyna Therapeutics Limited Owns 50–75% of shares

Eligentis Limited Owns 25–50% of shares

Enzbond Limited DissolvedOwns 50–75% of shares

Evox Therapeutics Limited Owns 25–50% of shares

Fluorok Limited Owns 25–50% of shares

Spybiotech Limited This company Owns 25–50% of shares

And 31 more

Financials

Figures from 2023 accounts. Newer accounts, made up to 31 December 2024, are filed but not read yet. See them on Companies House

Net Assets: £11,267,516
Cash: £12,084,817
Profit: (£5,870,618)
Employees: 16

Debt Ratio: 24%
Current Ratio: 4.1x
Return on Equity: -52%

Trend

Net Assets

Balance sheet detail

	2023	2022	2021	2020
Fixed Assets	£398,858	£464,179		£511,771
Current Assets	£14,428,568	£19,508,161		£947,190
Debtors		£1,417,785	£736,930	£444,809
Cash	£12,084,817	£18,090,376	£21,477,391	£502,381
Creditors (< 1 year)	£3,485,566		£343,068	£196,830
Net Current Assets	£10,943,002	£18,976,204		£750,360
Net Assets	£11,267,516	£19,374,519		£1,217,306
Shareholder Funds	£11,267,516		£22,220,822	£1,217,306

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To
30 April 2026	Confirmation statement with updates	1 March 2026
29 April 2026	Director's details changed
6 December 2025	Termination of appointment of a director
12 November 2025	Group of companies' accounts	31 December 2024
18 September 2025	Statement of capital following an allotment of shares