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PROTON PRODUCTS INTERNATIONAL LIMITED

Active
05339289·incorporated 2005-01-21

PROTON PRODUCTS INTERNATIONAL LIMITED is an active UK private limited company, incorporated on 21 January 2005 at Companies House (number 05339289; OpenRegistry canonical ID GB-05339289-proton-products-international-limited). Sophymarine's OpenRegistry classifies it under SIC 82990 (Other business support service activities n.e.c.), one of 181,798 active UK entities in that code and one of 17,631 active companies registered in Watford, Hertfordshire (postcode WD25). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2005-01-21
Registered Address
SUITE 13, 5 HERCULES WAY, LEAVESDEN PARK, WATFORD, HERTFORDSHIRE, WD25 7GS, UNITED KINGDOM
SIC
82990 — Other business support service activities n.e.c.
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

Check financials of PROTON PRODUCTS INTERNATIONAL LIMITED

Filings

Check filing history of PROTON PRODUCTS INTERNATIONAL LIMITED

Accounts

Last filed accounts made up to 2024-12-31. Next accounts due 2026-09-28. Financial year-end: 28/12. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2026-03-31. Next confirmation statement due 2027-04-14.

Persons with significant control

PROTON PRODUCTS INTERNATIONAL LIMITED has 1 person with significant control on file:

  • Yin Zhang born 1986 resident in Taiwan, American national. Notified 2025-03-21.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • The PSC's details have not yet been confirmed.

3 historical PSC records have ceased:

  • Mr Chi Zhang born 1956 resident in China, Chinese national. Notified 2016-04-06. Ceased 2025-03-21.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Mr John Kyriakis born 1934 resident in United Kingdom, British national. Notified 2016-04-06. Ceased 2025-03-15.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • (unnamed). Notified 2017-01-21. Ceased 2017-02-06.

Similar UK companies

Other companies registered under SIC 82990 (Other business support service activities n.e.c.):

Other companies registered in Watford:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/05339289.

Source: Companies House Free Company Data, refreshed 2026-06-06. Official record: find-and-update.company-information.service.gov.uk.