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Companies House/Plymouth/Company profile

DIADEM HOLDINGS LIMITED

Active
10297409·incorporated 2016-07-26

DIADEM HOLDINGS LIMITED is an active UK private limited company, incorporated on 26 July 2016 at Companies House (number 10297409; OpenRegistry canonical ID GB-10297409-diadem-holdings-limited). Sophymarine's OpenRegistry classifies it under SIC 86230 (Dental practice activities), one of 18,888 active UK entities in that code and one of 12,328 active companies registered in Plymouth, Devon (postcode PL4). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2016-07-26
Registered Address
134 NORTH HILL, PLYMOUTH, DEVON, PL4 8LA, UNITED KINGDOM
SIC
86230 — Dental practice activities
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 2025-07-25. Next confirmation statement due 2026-08-08.

Persons with significant control

DIADEM HOLDINGS LIMITED has 2 persons with significant control on file:

  • Mrs Mitra Marefat born 1966 resident in England, British,Swedish national. Notified 2018-07-25.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Dr Valiollah Mirzayan born 1962 resident in England, British,Swedish national. Notified 2018-08-01.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

1 historical PSC record has ceased:

  • Mr Lewis Warran Belcher born 1991 resident in England, British national. Notified 2016-07-26. Ceased 2018-08-01.
    • Owns 75% or more of shares

Similar UK companies

Other companies registered under SIC 86230 (Dental practice activities):

Other companies registered in Plymouth:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/10297409.

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