£61k
−29%vs Mar 2024Active12417289Private limited companyHarrow
MARINERS BOOKS LTD
Significant control: Alexander Daniel Gerlis (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Book publishing (SIC 58110). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARINERS BOOKS LTD is an active private limited company (company number 12417289) incorporated on 21 January 2020, registered in Harrow. Its registered activity is book publishing (SIC 58110). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £61k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 29% on the prior period (£86k).
Peer position · net assets
By net assets it sits in the top quarter of 599 comparable companies in Greater London (median £100, upper quartile £11k).
02
Ownership and control
- Mr Alexander Daniel Gerlis
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 21 January 20206 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 4 February 2027in 104 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 58110
- Book publishing
- SIC 58190
- Other publishing activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £61k | — | — | — | — | — | 2 |
| 31 March 2024 | £86k | — | — | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £60,879 at 31 March 2025
- Net assets down 25% or more on the prior period-29.1% vs prior period
- Incorporated five or more years agoIncorporated 21 January 2020
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 104 days
- Next accounts duein 69 days
- Accounts period endNet assets £61k · micro accounts
- Accounts period endNet assets £86k · micro accounts
- Incorporated
08
Similar companies in Greater London
- ONE DAY GROUP LTDBrentford · inc. Jan 2020
- GEEKS TABLE LTDErith · inc. Jan 2020
- KINGDOM WRITING SOLVING PROBLEMS & LEGAL SUPPORT SERVICES LIMITEDEdgware · inc. Jan 2020
- THE WORLD IN HER WORDS LTDGreenford · inc. Feb 2020
- CLIFFORD PUBLISHING LIMITEDBeckenham · inc. Dec 2019
- LPY LIMITEDMiddlesex, Hatch End · inc. Feb 2020
All companies incorporated on 21 January 2020 · in Jan 2020.
09
Reminders for MARINERS BOOKS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.