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Companies House/Swanage/Company profile

SEAPLAN LIMITED

Active
15085699·incorporated 2023-08-21

SEAPLAN LIMITED is an active UK private limited company, incorporated on 21 August 2023 at Companies House (number 15085699; OpenRegistry canonical ID GB-15085699-seaplan-limited). Sophymarine's OpenRegistry classifies it under SIC 71129 (Other engineering activities), one of 29,244 active UK entities in that code and one of 1,087 active companies registered in Swanage, Dorset (postcode BH19). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2023-08-21
Registered Address
HERSTON CROSS HOUSE, 230 HIGH STREET, SWANAGE, DORSET, BH19 2PQ, 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

Last filed accounts made up to 2025-03-31. Next accounts due 2026-12-31. Financial year-end: 31/03. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2026-01-31. Next confirmation statement due 2027-02-14.

Persons with significant control

SEAPLAN LIMITED has 2 persons with significant control on file:

  • Mr James Ewart Milligan Mack born 1982 resident in England, British national. Notified 2023-08-21.
    • Owns 50–75% of shares
    • Holds 50–75% of voting rights
    • Has the right to appoint and remove directors
  • Mrs Claire Marie Mack born 1981 resident in England, British national. Notified 2025-01-31.
    • Owns 25–50% of shares

Similar UK companies

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

Other companies registered in Swanage:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/15085699.

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