£1
No changevs Sept 2024Active08212059Private limited companyDoncaster
MARINESEAL LIMITED
Significant control: Cfs Secretaries Limited (75–100%), Bryan Thornton (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Dormant Company (SIC 99999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARINESEAL LIMITED is an active private limited company (company number 08212059) incorporated on 12 September 2012, registered in Doncaster. Its registered activity is dormant company (SIC 99999). Latest dormant accounts cover the period ending 30 September 2025, showing net assets of £1. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 1,587 comparable companies in Sheffield (median £2, upper quartile £100).
02
Ownership and control
- Cfs Secretaries Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Bryan Thornton
- has significant influence or control
- Jonathan Gardner Purdon
- owns 25–50% of shares
- Alan Charles Rutland
- owns 25–50% of shares
- Chalfen Nomiees Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- Mrs Nuala Martine Thornton
- has significant influence or control
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 12 September 201214 yrs ago
- Next accounts due
- 30 June 2027in 247 days
- Confirmation statement due
- 26 September 2027in 335 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 99999
- Dormant Company
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £1 | — | — | — | — | — | — |
| 30 September 2024 | £1 | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £1 at 30 September 2025
- Incorporated five or more years agoIncorporated 12 September 2012
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 335 days
- Next accounts duein 247 days
- Accounts period endNet assets £1 · dormant accounts
- Accounts period endNet assets £1 · dormant accounts
- Incorporated
08
Similar companies in Sheffield
- MARINEPORT LIMITEDDoncaster · inc. Sept 2012
- OCEANHIGH LIMITEDDoncaster · inc. Sept 2012
- OCEANSTOP LIMITEDDoncaster · inc. Sept 2012
- SEARUSH LIMITEDDoncaster · inc. Sept 2012
- MARINEDECK LIMITEDDoncaster · inc. Sept 2012
- ECOTECH WINDOWS LIMITEDBarnsley · inc. Sept 2012
All companies incorporated on 12 September 2012 · in Sept 2012.
09
Reminders for MARINESEAL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.