- Companies
- Electricians
- Southampton
- SRR Marine Ltd
SRR Marine Ltd
- Company number
- 12033868
- Incorporated
- 5 Jun 20197 years trading
- Registered office
- Unit 33, Universal Marina Crableck Lane, Sarisbury Green, Southampton, Hampshire, SO31 7ZN
- Nature of business
- Electrical installation
SRR Marine Ltd is a 7-year-old private limited company registered in Southampton, company number 12033868, one of 342 electrical contractors in Southampton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £325 (-37.6%) on the year before, to £540.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £51K against £49K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £540 | £51K | £49K | 1 | |
| 30 Jun 2024 | £865 | £22K | £21K | 1 | |
| 30 Jun 2023 | £44K | £86K | £42K | 1 | |
| 30 Jun 2022 | £15K | £36K | £21K | 1 | |
| 30 Jun 2021 | £197 | £14K | £14K | 1 | |
| 30 Jun 2020 | £3,657 | £18K | £14K | 1 |
Who runs and owns SRR Marine Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** R*** | Director | Jun 2019 |
| C*** R*** | Director | Jan 2026 |
People with significant control (2)
Where SRR Marine Ltd is registered
The registered office is in Southampton (SO31), in the Fareham local authority area, South East. Show SO31 7ZN on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if SRR Marine Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 12033868
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2019 (7 years ago)
- Registered office
- Unit 33, Universal Marina Crableck Lane, Sarisbury Green, Southampton, Hampshire, SO31 7ZN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 June 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Southampton
Other active electrical contractors registered in Southampton.
- Star-Delta Electrical Services Limited2015
- Stone Electrical Southern Ltd2020
- Strong Current Group Limited2023
- T & W Electrical (South Coast) Limited2012
- T & W Electrical Holdings (South Coast) Limited2012
- T. Darby (Electrical) Limited1998
- Tandem Electrical Limited2013
- Tarnwalk (UK) Limited1993
All electrical contractors in Southampton · All trades in Southampton · Electricians across the UK
Frequently asked questions
When are SRR Marine Ltd's accounts due?
SRR Marine Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is SRR Marine Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is SRR Marine Ltd still trading?
SRR Marine Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does SRR Marine Ltd do?
SRR Marine Ltd is registered under Electrical installation (SIC 43210).
How old is SRR Marine Ltd?
SRR Marine Ltd was incorporated on 5 June 2019, 7 years ago.
Who runs SRR Marine Ltd?
SRR Marine Ltd has 2 active directors, the longest-serving appointed in Jun 2019. Their names and service addresses are on the Companies House register.
Who owns SRR Marine Ltd?
2 people or companies have significant control of SRR Marine Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 50% to 75% of the shares).
What is the penalty if SRR Marine Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View SRR Marine Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.