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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 6
  • 1
    Harris, Samantha Ann
    Individual (3 offsprings)
    Officer
    icon of calendar 2022-06-22 ~ now
    OF - Secretary → CIF 0
  • 2
    Westcott, James
    Born in October 1974
    Individual (1 offspring)
    Officer
    icon of calendar 2021-06-29 ~ now
    OF - Director → CIF 0
  • 3
    Leung, Donmienne Doen Mun, Dr
    Born in September 1973
    Individual (1 offspring)
    Officer
    icon of calendar 2025-03-11 ~ now
    OF - Director → CIF 0
  • 4
    Mccarthy, Thomas David, Dr
    Born in June 1967
    Individual (11 offsprings)
    Officer
    icon of calendar 2021-01-26 ~ now
    OF - Director → CIF 0
  • 5
    Lonberg, Nils, Dr
    Born in February 1956
    Individual (1 offspring)
    Officer
    icon of calendar 2021-05-28 ~ now
    OF - Director → CIF 0
  • 6
    Ahrens, Brenton Karl
    Born in March 1963
    Individual (3 offsprings)
    Officer
    icon of calendar 2021-04-13 ~ now
    OF - Director → CIF 0
Ceased 3
  • 1
    Joyce, Peter
    Company Director born in April 1982
    Individual (1 offspring)
    Officer
    icon of calendar 2021-01-26 ~ 2021-04-13
    OF - Director → CIF 0
  • 2
    Hughes, Stuart Wynn, Dr
    Ceo born in November 1970
    Individual (1 offspring)
    Officer
    icon of calendar 2021-01-26 ~ 2021-04-13
    OF - Director → CIF 0
  • 3
    Mccarthy, Kirsty Ann
    Company Director born in April 1964
    Individual (6 offsprings)
    Officer
    icon of calendar 2021-01-26 ~ 2021-04-13
    OF - Director → CIF 0
parent relation
Company in focus

THIRTYFIVEBIO LIMITED

Standard Industrial Classification
72110 - Research And Experimental Development On Biotechnology
Brief company account
Average Number of Employees
62023-01-01 ~ 2023-12-31
72022-01-01 ~ 2022-12-31
Property, Plant & Equipment
20,104 GBP2023-12-31
29,401 GBP2022-12-31
Fixed Assets - Investments
1 GBP2023-12-31
1 GBP2022-12-31
Fixed Assets
20,105 GBP2023-12-31
29,402 GBP2022-12-31
Debtors
Current
831,463 GBP2023-12-31
1,431,314 GBP2022-12-31
Cash at bank and in hand
1,956,838 GBP2023-12-31
7,049,160 GBP2022-12-31
Current Assets
2,788,301 GBP2023-12-31
8,480,474 GBP2022-12-31
Creditors
Current, Amounts falling due within one year
-557,019 GBP2022-12-31
Net Current Assets/Liabilities
2,379,734 GBP2023-12-31
7,923,455 GBP2022-12-31
Net Assets/Liabilities
2,399,839 GBP2023-12-31
7,952,857 GBP2022-12-31
Equity
Called up share capital
403 GBP2023-12-31
402 GBP2022-12-31
211 GBP2022-01-01
Share premium
14,638,172 GBP2023-12-31
14,638,172 GBP2022-12-31
5,414,693 GBP2022-01-01
Capital redemption reserve
-2 GBP2023-12-31
Retained earnings (accumulated losses)
-12,238,734 GBP2023-12-31
-6,685,717 GBP2022-12-31
-2,494,705 GBP2022-01-01
Equity
2,399,839 GBP2023-12-31
7,952,857 GBP2022-12-31
2,920,199 GBP2022-01-01
Profit/Loss
Retained earnings (accumulated losses)
-5,553,019 GBP2023-01-01 ~ 2023-12-31
-4,191,012 GBP2022-01-01 ~ 2022-12-31
Profit/Loss
-5,553,019 GBP2023-01-01 ~ 2023-12-31
-4,191,012 GBP2022-01-01 ~ 2022-12-31
Issue of Equity Instruments
Called up share capital
3 GBP2023-01-01 ~ 2023-12-31
191 GBP2022-01-01 ~ 2022-12-31
Issue of Equity Instruments
3 GBP2023-01-01 ~ 2023-12-31
9,223,670 GBP2022-01-01 ~ 2022-12-31
Property, Plant & Equipment - Gross Cost
Office equipment
12,360 GBP2023-12-31
10,510 GBP2022-12-31
Computers
15,552 GBP2023-12-31
13,720 GBP2022-12-31
Other
20,403 GBP2023-12-31
20,403 GBP2022-12-31
Property, Plant & Equipment - Gross Cost
48,315 GBP2023-12-31
44,633 GBP2022-12-31
Property, Plant & Equipment - Accumulated Depreciation (Not Including Impairment)
Office equipment
2,835 GBP2022-12-31
Computers
6,212 GBP2022-12-31
Property, Plant & Equipment - Accumulated Depreciation (Not Including Impairment)
15,232 GBP2022-12-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
Computers, Owned/Freehold
5,135 GBP2023-01-01 ~ 2023-12-31
Owned/Freehold
12,979 GBP2023-01-01 ~ 2023-12-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
Office equipment
5,579 GBP2023-12-31
Computers
11,347 GBP2023-12-31
Other
11,285 GBP2023-12-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
28,211 GBP2023-12-31
Property, Plant & Equipment
Office equipment
6,781 GBP2023-12-31
7,675 GBP2022-12-31
Computers
4,205 GBP2023-12-31
7,508 GBP2022-12-31
Other
9,118 GBP2023-12-31
14,218 GBP2022-12-31
Other Debtors
Current
778,486 GBP2023-12-31
1,385,875 GBP2022-12-31
Prepayments/Accrued Income
Current
52,977 GBP2023-12-31
45,439 GBP2022-12-31
Trade Creditors/Trade Payables
Current
311,972 GBP2023-12-31
457,007 GBP2022-12-31
Taxation/Social Security Payable
Current
64,095 GBP2023-12-31
64,088 GBP2022-12-31
Other Creditors
Current
3,662 GBP2023-12-31
3,983 GBP2022-12-31
Accrued Liabilities/Deferred Income
Current
28,838 GBP2023-12-31
31,941 GBP2022-12-31
Creditors
Current
408,567 GBP2023-12-31
557,019 GBP2022-12-31
Number of Shares Issued (Fully Paid)
Class 1 ordinary share
1,218,416 shares2023-12-31
1,201,841 shares2022-12-31
Par Value of Share
Class 1 ordinary share
0.00012023-01-01 ~ 2023-12-31
Number of Shares Issued (Fully Paid)
Class 2 ordinary share
2,816,900 shares2023-12-31
2,816,900 shares2022-12-31
Par Value of Share
Class 2 ordinary share
0.00012023-01-01 ~ 2023-12-31
Related profiles found in government register
  • THIRTYFIVEBIO LIMITED
    Info
    Registered number 13157735
    icon of address99 Park Drive, Milton, Abingdon OX14 4RY
    PRIVATE LIMITED COMPANY incorporated on 2021-01-26 (4 years 11 months). The company status is Active.
    The last date of confirmation statement was made at 2025-01-25
    CIF 0
  • THIRTYFIVEBIO LIMITED
    S
    Registered number 13157735
    icon of address99, Park Drive, Milton, Abingdon, England, OX14 4RY
    Limited Liability Company in Registrar Of Companies For England And Wales, United Kingdom
    CIF 1
child relation
Offspring entities and appointments
Active 1
  • icon of address99 Park Drive, Milton, Abingdon, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Person with significant control
    icon of calendar 2022-02-17 ~ now
    CIF 1 - Ownership of shares – 75% or more → OE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.