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HORIZONTAL BUOYANCY AND BALLAST LTD

Active
16435469·incorporated 2025-05-07

HORIZONTAL BUOYANCY AND BALLAST LTD is an active UK private limited company, incorporated on 7 May 2025 at Companies House (number 16435469; OpenRegistry canonical ID GB-16435469-horizontal-buoyancy-and-ballast-ltd). Sophymarine's OpenRegistry classifies it under SIC 71129 (Other engineering activities), one of 29,244 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode WC2H). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2025-05-07
Registered Address
71-75 SHELTON STREET, COVENT GARDEN, LONDON, WC2H 9JQ, UNITED KINGDOM
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

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Accounts

Next accounts due 2027-02-07. Financial year-end: 31/05. Filing class: NO ACCOUNTS FILED.

Confirmation statement

Next confirmation statement due 2026-05-20.

Persons with significant control

HORIZONTAL BUOYANCY AND BALLAST LTD has 2 persons with significant control on file:

  • Mr Stephen Harry Callar born 1965 resident in England, British national. Notified 2025-05-07.
    • Owns 50–75% of shares
    • Holds 50–75% of voting rights
  • Ms Alison Clare Parker born 1963 resident in United Kingdom, British national. Notified 2025-05-07.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

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Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/16435469.

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