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Companies House/Cambridge/Company profile

SI-FLUX LTD

Active
15218868·incorporated 2023-10-18

SI-FLUX LTD is an active UK private limited company, incorporated on 18 October 2023 at Companies House (number 15218868; OpenRegistry canonical ID GB-15218868-si-flux-ltd). Sophymarine's OpenRegistry classifies it under SIC 72190 (Other research and experimental development on natural sciences and engineering), one of 5,871 active UK entities in that code and one of 22,547 active companies registered in Cambridge (postcode CB23). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2023-10-18
Registered Address
UNIT 2, BARTON COURT 223 BARTON ROAD, COMBERTON, CAMBRIDGE, CB23 7BU, UNITED KINGDOM
SIC
72190 — Other research and experimental development on natural sciences and engineering
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 2024-10-31. Next accounts due 2026-07-31. Financial year-end: 31/10. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2025-10-17. Next confirmation statement due 2026-10-31.

Persons with significant control

SI-FLUX LTD has 2 persons with significant control on file:

  • Dr John Antonio Herrero-Smith born 1953 resident in Thailand, British national. Notified 2023-10-18.
    • Owns 50–75% of shares
    • Holds 50–75% of voting rights
    • Has the right to appoint and remove directors
  • Langley International Investments Limited (United Kingdom reg. 10890303). Notified 2023-10-18.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

Similar UK companies

Other companies registered under SIC 72190 (Other research and experimental development on natural sciences and engineering):

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Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/15218868.

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