Annual accounts
Unaudited abridged accounts
30/06/2027Filing deadline
Made up to 30/09/2025Due 30/06/2027
- Next accounts made up to
- 30/09/2026
- Last accounts made up to
- 30/09/2025
G J MARINER AND SON LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Dickens House, Guithavon Street, Witham, Essex CM8 1BJ
- Classification (SIC)
- Plumbing heat and air-conditioning installation (43.22 - SIC 2007)
- Accounts type
- Unaudited abridged
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 23/12/2025View PDF (9 pages)
Unaudited abridged accounts made up to 2025-09-30
- 03/09/2025View PDF (5 pages)
Confirmation statement made on 2025-09-03 with updates
- 15/05/2025View PDF (9 pages)
Unaudited abridged accounts made up to 2024-09-30
- 04/09/2024View PDF (5 pages)
Confirmation statement made on 2024-09-03 with updates
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
17/09/2027Filing deadline
Last statement 03/09/2026Due 17/09/2027
- Next statement date
- 03/09/2027
- Last statement dated
- 03/09/2026
Financial performance
The latest figures G J MARINER AND SON LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£910.55K2025
12.82%vs 20242024: £807.07K
Total Assets
£1.60M2025
4.85%vs 20242024: £1.53M
Cash in Bank
£585.82K2025
-1.09%vs 20242024: £592.26K
Total Liabilities
£651.23K2025
0.15%vs 20242024: £650.25K
Employees
132025
+1vs 20242024: 12
Of the 4 measures with an earlier filing to compare against, 3 rose and 1 fell. Net assets moved furthest, up 12.82% on 2024. See the full financial analysis for G J MARINER AND SON LIMITED.
The full financial record
Four ways through G J MARINER AND SON LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · +14.1% a year (CAGR)Three-year trend, 2023–2025Every measure end to end across 2023, 2024 and 2025, with the compound rate behind each one.See what moved5 chartsCharts by indicator5 filed indicators plotted year by year, 2021–2025.Plot the figuresNothing estimatedRatios from the filed figures4 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 5 yearsEvery figure by yearAll 5 measures Okredo tracks across 5 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 13 | +1 |
| 2024 | 12 | +1 |
| 2023 | 11 | 0 |
| 2022 | 11 | +2 |
| 2021 | 9 | – |
Reported employee count increased from 9 in 2021 to 13 in 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
8Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Nominee Secretary | 03/09/2004–03/09/2004 | 10701 | |
| Nominee Director | 03/09/2004–03/09/2004 | 10720 | |
| Director | 03/09/2004–Present | 1 | |
| Director | 01/06/2012–Present | 0 | |
| Secretary | 03/09/2004–18/07/2005 | 0 | |
| Secretary | 01/10/2007–Present | 0 | |
| Secretary | 18/07/2005–01/10/2007 | 0 | |
| Director | 18/07/2005–01/10/2007 | 0 |
Persons with significant control
2Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–Present | 1 | |
| 06/04/2016–Present | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 7
- Since 30/05/2023
- Last 12 months
- 1
- -1 vs the year before
- Most recent filing
- 23/12/2025
- 9 months ago
What changed in the last year
- Accounts filedLatest 23/12/2025
Filing timeline
- 23/12/2025View PDF (9 pages)
Unaudited abridged accounts made up to 2025-09-30
- 03/09/2025View PDF (5 pages)
Confirmation statement made on 2025-09-03 with updates
- 15/05/2025View PDF (9 pages)
Unaudited abridged accounts made up to 2024-09-30
- 04/09/2024View PDF (5 pages)
Confirmation statement made on 2024-09-03 with updates
- 08/04/2024View PDF (9 pages)
Unaudited abridged accounts made up to 2023-09-30
- 04/09/2023View PDF (5 pages)
Confirmation statement made on 2023-09-03 with updates
- 30/05/2023View PDF (9 pages)
Unaudited abridged accounts made up to 2022-09-30
See when the next accounts and confirmation statement are due
Similar companies
894 UK companies are similar to G J MARINER AND SON LIMITED, sharing the same company status (Active), the same industry sector and activity group (Plumbing heat and air-conditioning installation) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
D K S & SON SERVICES LTD
ActiveThe Old Dairy 12 Stephen Road, Headington, Oxford OX3 9AY
- Activity
- Plumbing heat and air-conditioning installation
- Company no.
- 06187458
- Incorporated
- 27/03/2007
- Employees
- 13
JAS BUILDING SERVICES (BRISTOL) LTD
Active37 Bibury Avenue, Patchway, Bristol BS34 6DF
- Activity
- Other building completion and finishing
- Company no.
- 10715820
- Incorporated
- 07/04/2017
- Employees
- 14
STANGARD DESIGN SOLUTIONS LIMITED
ActiveUnit 2, Wick Business Centre Manor Farm, Upper Wick, Dursley, Gloucestershire GL11 6DE
- Activity
- Other construction installation
- Company no.
- 04759955
- Incorporated
- 12/05/2003
- Employees
- 12
SCJ ELECTRICAL & RENEWABLES LIMITED
ActiveUnit 58b South Nelson Industrial Estate, Cramlington, Northumberland NE23 1WF
- Activity
- Electrical installation
- Company no.
- 11592802
- Incorporated
- 27/09/2018
- Employees
- 13
KNIGHTS COUNTRY KITCHENS LTD
ActiveBlofield Business Centre Woodbastwick Road, Blofield, Norwich NR13 4RR
- Activity
- Other construction installation
- Company no.
- 07097679
- Incorporated
- 08/12/2009
- Employees
- 12
About G J MARINER AND SON LIMITED
A short description of the company, written from its Companies House record.
G J MARINER AND SON LIMITED is a private limited company registered in the United Kingdom, based in Dickens House, Guithavon Street, Witham, Essex CM8 1BJ. Companies House classifies its business as Plumbing heat and air-conditioning installation. It has been on the register for 22 years 1 month.
The register currently records it as active. Its 2025 accounts report net assets of £910.55K and 13 employees.
G J MARINER AND SON LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records G J MARINER AND SON LIMITED under one registered business activity: Plumbing heat and air-conditioning installation (43.22 - SIC 2007).
G J MARINER AND SON LIMITED is recorded as active on the Companies House register, and has been on it since 03/09/2004.
The most recent accounts Okredo holds cover 2025 and report net assets of £910.55K, total assets of £1.60M, cash in bank of £585.82K and total liabilities of £651.23K.
The most recent document on the record is dated 23/12/2025: Unaudited abridged accounts made up to 2025-09-30, 9 months ago.
On the current registry record, accounts are due by 30/06/2027 and the next confirmation statement is due by 17/09/2027.
Companies House lists 8 officers (3 currently in post) and 2 people with significant control.