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Companies House/Sheffield/Company profile

JAM STRUCTURAL DESIGN LTD.

Active
11659389·incorporated 2018-11-05

JAM STRUCTURAL DESIGN LTD. is an active UK private limited company, incorporated on 5 November 2018 at Companies House (number 11659389; OpenRegistry canonical ID GB-11659389-jam-structural-design-ltd). Sophymarine's OpenRegistry classifies it under SIC 71129 (Other engineering activities), one of 40,549 active UK entities in that code and one of 36,314 active companies registered in Sheffield (postcode S1). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2018-11-05
Registered Address
2ND FLOOR, PARKHEAD HOUSE, CARVER STREET, SHEFFIELD, S1 4FS, ENGLAND
SIC
71129 — Other engineering activities
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

Check filing history of JAM STRUCTURAL DESIGN LTD.

Accounts

Last filed accounts made up to 2025-11-30. Next accounts due 2027-08-31. Financial year-end: 30/11. Filing class: MICRO ENTITY.

Confirmation statement

Next confirmation statement due 2019-12-03.

Persons with significant control

JAM STRUCTURAL DESIGN LTD. has 3 persons with significant control on file:

  • Mr Paul Testa born 1979 resident in United Kingdom, British national. Notified 2018-11-05.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Mr Alan Stewart Macdonald born 1986 resident in United Kingdom, British national. Notified 2018-11-05.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Chris Jarvis born 1990 resident in United Kingdom, British national. Notified 2024-03-18.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

1 historical PSC record has ceased:

  • Mr Jonathan Francis Carr born 1966 resident in United Kingdom, British national. Notified 2021-09-30. Ceased 2023-01-30.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

Previous names

JAM STRUCTURAL DESIGN LTD. has previously traded as:

  • J.A.M. STRUCTURAL DESIGN LIMITED (until 2021-11-09)

Similar UK companies

Other companies registered under SIC 71129 (Other engineering activities):

Other companies registered in Sheffield:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/11659389.

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