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PROTONERA LTD

Active
14830471·incorporated 2023-04-26

PROTONERA LTD is an active UK private limited company, incorporated on 26 April 2023 at Companies House (number 14830471; OpenRegistry canonical ID GB-14830471-protonera-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 1,093,852 active companies registered in London (postcode W12). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2023-04-26
Registered Address
SCALE SPACE, 58 WOOD LANE, LONDON, W12 7RZ, ENGLAND
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 2025-04-30. Next accounts due 2027-01-31. Financial year-end: 30/04. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2025-05-08. Next confirmation statement due 2026-05-22.

Persons with significant control

PROTONERA LTD has 2 persons with significant control on file:

  • Chengzhi Guo born 1998 resident in England, Chinese national. Notified 2023-04-26.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
    • Has the right to appoint and remove directors
  • Professor Erwin Reisner born 1979 resident in England, Austrian national. Notified 2024-01-21.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

1 historical PSC record has ceased:

  • Subhajit Bhattacharjee born 1995 resident in England, Indian national. Notified 2023-04-26. Ceased 2024-01-21.
    • 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):

Other companies registered in London:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/14830471.

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