ISOMAB LTD

Active

Registry details

Reference data exactly as held at Companies House.

Copy registry details
Registered office
St Johns Innovation Centre, Cowley Road, Cambridge CB4 0WS
Accounts type
Micro Entity

Company activity

The 4 most recent documents filed at Companies House.

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  1. 10/09/2026

    Termination of appointment of Julian Michael Stuart Attfield as a secretary on 2026-08-28

    View PDF (1 pages)
  2. 30/04/2026

    Confirmation statement made on 2026-03-10 with no updates

    View PDF (3 pages)
  3. 24/03/2026

    Appointment of Dr Philip Henrik Engell Brainin as a director on 2026-03-12

    View PDF (2 pages)
  4. 10/09/2025

    Micro company accounts made up to 2025-03-31

    View PDF (4 pages)

Accounts and confirmation statement

The two filings Companies House requires every year, and where each one stands against its deadline today.

Annual accounts

Micro Entity accounts

On schedule

31/12/2026Filing deadline

Next accounts made up to
31/03/2026
Last accounts made up to
31/03/2025

See the full filing history

Financial performance

The latest figures ISOMAB LTD filed. Okredo holds filed accounts data for 2023–2026; the year-by-year record is on the financials page.

Net Assets

£590.62K2026
-84.64%vs 2025

2025: £3.84M

Total Assets

£10.58K2026
-99.75%vs 2025

2025: £4.17M

Total Liabilities

£163.48K2026
-49.69%vs 2025

2025: £324.94K

Employees

02026
-9vs 2025

2025: 9

Of the 3 measures with an earlier filing to compare against, 3 fell. Total assets moved furthest, down 99.75% on 2025. See the full financial analysis for ISOMAB LTD.

Employees

Headcount as reported to Companies House for 2023–2026.

42023
52024
92025
02026
YearEmployeesChange
20260-9
20259+4
20245+1
20234–

Reported employee count decreased from 4 in 2023 to 0 in 2026. See how headcount moved alongside the reported financials.

Credit report

It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.

Officers

14

Directors, secretaries and other appointed officers, with the period each has served.

PersonRolePeriodConnected companies
Director19/12/2022–05/09/20245
Corporate Director12/02/2024–Present158
Director01/07/2022–Present21
Director11/03/2022–10/04/20237
Director01/07/2022–17/08/20255
Director11/03/2022–Present4
Director01/04/2024–Present7
Director11/07/2022–10/04/20230
Director05/09/2024–04/06/20261
Director04/06/2026–Present11
Director12/02/2024–Present0
Secretary24/07/2025–28/08/20260
Director17/02/2025–Present0
Director12/03/2026–Present0

Persons with significant control

2

Individuals or entities with significant control over the company, as declared to Companies House.

PersonPeriodConnected companies
11/03/2022–12/02/20244
11/03/2022–Present4

Filing history and recent activity

Every document on the Companies House record, newest first.

Filings on record
48
Since 12/01/2023
Last 12 months
3
-6 vs the year before
Most recent filing
10/09/2026
less than a month ago

What changed in the last year

  • Officer changes (2)Latest 10/09/2026
  • Confirmation statementLatest 30/04/2026

Filing timeline

  1. 10/09/2026

    Termination of appointment of Julian Michael Stuart Attfield as a secretary on 2026-08-28

    View PDF (1 pages)
  2. 30/04/2026

    Confirmation statement made on 2026-03-10 with no updates

    View PDF (3 pages)
  3. 24/03/2026

    Appointment of Dr Philip Henrik Engell Brainin as a director on 2026-03-12

    View PDF (2 pages)
  4. 10/09/2025

    Micro company accounts made up to 2025-03-31

    View PDF (4 pages)
  5. 27/08/2025

    Termination of appointment of Jackie Sarah Mcken as a director on 2025-08-17

    View PDF (1 pages)
  6. 29/07/2025

    Appointment of Mr Julian Michael Stuart Attfield as a secretary on 2025-07-24

    View PDF (2 pages)
  7. 01/04/2025

    Second filing of Confirmation Statement dated 2025-03-10

    View PDF (5 pages)
  8. 25/03/2025

    Second filing of a statement of capital following an allotment of shares on 2024-02-12

    View PDF (4 pages)
  9. 24/03/2025

    Confirmation statement made on 2025-03-10 with updates

    View PDF (8 pages)
  10. 17/02/2025

    Statement of capital following an allotment of shares on 2024-12-05

    View PDF (3 pages)
  11. 17/02/2025

    Statement of capital following an allotment of shares on 2025-01-25

    View PDF (3 pages)
  12. 14/02/2025

    Second filing of a statement of capital following an allotment of shares on 2024-02-12

    View PDF (4 pages)

Showing 12 of 48 filings

See when the next accounts and confirmation statement are due

Similar companies

69 UK companies are similar to ISOMAB LTD, sharing the same company status (Active), the same industry sector and activity group (Research and experimental development on biotechnology) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.

69 UK companies share this business profileThe 5 above are the closest matches. See every UK company registered under Research and experimental development on biotechnology.Browse the listing

About ISOMAB LTD

A short description of the company, written from its Companies House record.

ISOMAB LTD is a private limited company registered in the United Kingdom, based in St Johns Innovation Centre, Cowley Road, Cambridge CB4 0WS. Companies House classifies its business as Research and experimental development on biotechnology. It has been on the register for 4 years 6 months.

The register currently records it as active. Its 2026 accounts report net assets of £590.62K and 0 employees.

ISOMAB LTD: frequently asked questions

Answered from this company's own registry record and filed figures.

What does ISOMAB LTD do?

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Companies House records ISOMAB LTD under one registered business activity: Research and experimental development on biotechnology (72.11 - SIC 2007).

Is ISOMAB LTD still active?

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ISOMAB LTD is recorded as active on the Companies House register, and has been on it since 11/03/2022.

What are ISOMAB LTD's latest reported financials?

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The most recent accounts Okredo holds cover 2026 and report net assets of £590.62K, total assets of £10.58K and total liabilities of £163.48K.

When did ISOMAB LTD last file with Companies House?

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The most recent document on the record is dated 10/09/2026: Termination of appointment of Julian Michael Stuart Attfield as a secretary on 2026-08-28, less than a month ago.

When are ISOMAB LTD's next filings due?

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On the current registry record, accounts are due by 31/12/2026.

Who runs ISOMAB LTD?

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Companies House lists 14 officers (8 currently in post) and 2 people with significant control (1 current).