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Companies House/Durham/Company profile

DIAG TEST LIMITED

Active
08151678·incorporated 2012-07-20

DIAG TEST LIMITED is an active UK private limited company, incorporated on 20 July 2012 at Companies House (number 08151678; OpenRegistry canonical ID GB-08151678-diag-test-limited). Sophymarine's OpenRegistry classifies it under SIC 33170 (Repair and maintenance of other transport equipment n.e.c.), one of 4,123 active UK entities in that code and one of 6,033 active companies registered in Durham (postcode DH7). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2012-07-20
Registered Address
MAYFAIR HOUSE BRANDON LANE, BRANDON, DURHAM, DH7 8PG, ENGLAND
SIC
33170 — Repair and maintenance of other transport equipment n.e.c.
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 2025-07-31. Next accounts due 2027-04-30. Financial year-end: 31/07. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2026-07-20. Next confirmation statement due 2027-08-03.

Persons with significant control

DIAG TEST LIMITED has 2 persons with significant control on file:

  • Mr Vincent Thompson born 1981 resident in United Kingdom, British national. Notified 2016-04-06.
    • Owns 50–75% of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors
  • Dt Investments (North East) Limited (England reg. 16107135). Notified 2025-07-21.
    • Owns 25–50% of shares

2 historical PSC records have ceased:

  • Mr Vince Thompson born 1981 resident in England, British national. Notified 2016-06-01. Ceased 2016-06-01.
    • Has significant influence or control
  • Mr Vincent Gallagher born 1981 resident in United Kingdom, British national. Notified 2016-04-06. Ceased 2016-04-06.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

Similar UK companies

Other companies registered under SIC 33170 (Repair and maintenance of other transport equipment n.e.c.):

Other companies registered in Durham:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/08151678.

Source: Companies House Free Company Data, refreshed 2026-09-01. Official record: find-and-update.company-information.service.gov.uk.