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Companies House/Maidenhead/Company profile

CALUMITE LIMITED

Active
00948298·incorporated 1969-02-19

CALUMITE LIMITED is an active UK private limited company, incorporated on 19 February 1969 at Companies House (number 00948298; OpenRegistry canonical ID GB-00948298-calumite-limited). Sophymarine's OpenRegistry classifies it under SIC 23690 (Manufacture of other articles of concrete, plaster and cement), one of 195 active UK entities in that code and one of 7,521 active companies registered in Maidenhead, Berkshire (postcode SL6). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
1969-02-19
Registered Address
SECOND FLOOR, ARENA COURT, CROWN LANE, MAIDENHEAD, BERKSHIRE, SL6 8QZ, ENGLAND
SIC
23690 — Manufacture of other articles of concrete, plaster and cement
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 2024-12-31. Next accounts due 2026-09-30. Financial year-end: 31/12. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-10-31. Next confirmation statement due 2026-11-14.

Persons with significant control

CALUMITE LIMITED has 2 persons with significant control on file:

  • Mr John Owen Hopkins, Sr. born 1935 resident in United States, American national. Notified 2016-04-06.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Appleby Group Limited (United Kingdom reg. 00499594). Notified 2016-04-06.
    • Owns 50–75% of shares
    • Holds 50–75% of voting rights
    • Has the right to appoint and remove directors

Similar UK companies

Other companies registered under SIC 23690 (Manufacture of other articles of concrete, plaster and cement):

Other companies registered in Maidenhead:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/00948298.

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