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Companies House/Cambridge/Company profile

ISOMASS LTD

Active
05963201·incorporated 2006-10-11

ISOMASS LTD is an active UK private limited company, incorporated on 11 October 2006 at Companies House (number 05963201; OpenRegistry canonical ID GB-05963201-isomass-ltd). Sophymarine's OpenRegistry classifies it under SIC 43999 (Other specialised construction activities n.e.c.), one of 52,744 active UK entities in that code and one of 22,547 active companies registered in Cambridge, Cambridgeshire (postcode CB4). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2006-10-11
Registered Address
ST JOHNS INNOVATION CENTRE, COWLEY ROAD, CAMBRIDGE, CAMBRIDGESHIRE, CB4 0WS
SIC
43999 — Other specialised construction activities n.e.c.
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

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Accounts

Last filed accounts made up to 2025-09-30. Next accounts due 2027-06-30. Financial year-end: 30/09. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2026-04-17. Next confirmation statement due 2027-05-01.

Mortgages and charges

1 charge recorded against the company at Companies House: 1 outstanding, 0 satisfied, 0 partially satisfied.

Persons with significant control

ISOMASS LTD has 2 persons with significant control on file:

  • Mr Iain Alexander Mair born 1968 resident in England, British national. Notified 2016-04-06.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
    • Has the right to appoint and remove directors
  • Mr Alexander Michael Bignell born 1992 resident in United Kingdom, British national. Notified 2025-11-07.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
    • Has the right to appoint and remove directors

1 historical PSC record has ceased:

  • Mr David Anthony Bignell born 1959 resident in England, British national. Notified 2016-04-06. Ceased 2025-11-07.
    • Owns 25–50% of shares

Similar UK companies

Other companies registered under SIC 43999 (Other specialised construction activities n.e.c.):

Other companies registered in Cambridge:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/05963201.

Source: Companies House Free Company Data, refreshed 2026-05-01. Official record: find-and-update.company-information.service.gov.uk.