- Companies
- Machinery repair and installation
- Surbiton
- Kartech Maritime Services Ltd
Kartech Maritime Services Ltd
- Company number
- 10859163
- Incorporated
- 11 Jul 20179 years trading
- Registered office
- 6 Highfield Road, Surbiton, Surrey, KT5 9LP
- Nature of business
- Repair and maintenance of ships and boats; Engineering related scientific and technical consulting activities; Environmental consulting activities
Kartech Maritime Services Ltd is a 9-year-old private limited company registered in Surbiton, company number 10859163, one of 8 machinery repair and installation companies in Surbiton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £9,138 (+100.4%) on the year before, to £34.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £7,296 against £4,456 owed within a year: 1.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £34 | £3,488 | £7,296 | £4,456 | 2 |
| 31 Jul 2024 | -£9,104 | £48K | £52K | 2 | |
| 31 Jul 2023 | £13K | £17K | £27K | 2 | |
| 31 Jul 2022 | £859 | £14K | £12K | 2 | |
| 31 Jul 2021 | £94 | £23K | £8,630 | 1 | |
| 31 Jul 2020 | £94 | £13K | £23K | £8,630 | 1 |
| 31 Jul 2019 | -£1,572 | £294 | £294 | £3,272 | 1 |
| 31 Jul 2018 | £569 | £5 | £405 | £1,711 | 1 |
Where Kartech Maritime Services Ltd is registered
The registered office is in Surbiton (KT5), in the Kingston upon Thames local authority area, London. Show KT5 9LP on a map.
Other trade companies in KT5
- We Got You Covered Roofing & Driveways LimitedRoofers
- G&K Houston Services LtdBuilders
- Pipe IT LtdPlumbers and heating engineers
- May Living Spaces LtdBuilders
- Devicefix Tech LtdRepair services
- Voltanko Electricians LtdElectricians
- Wa Plumbing LtdPlumbers and heating engineers
- Constantin Gugean LtdBuilders
What happens if Kartech Maritime Services 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 10859163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 July 2017 (9 years ago)
- Registered office
- 6 Highfield Road, Surbiton, Surrey, KT5 9LP
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Engineering related scientific and technical consulting activities (SIC 71122)
Environmental consulting activities (SIC 74901) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 10 July 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Surbiton
Other active machinery repair and installation companies registered in Surbiton.
- Saints Son Engineering Ltd2025
- Surefix Maintenance Ltd2024
- Andy Jackson Engineering Ltd2025
- Blue Skyline Engineering Limited2024
- Calabay Environmental Limited2005
- Cellvital Ai Ltd2026
- Jaw Electrical 7 Ltd2020
All machinery repair and installation companies in Surbiton · All trades in Surbiton · Machinery repair and installation across the UK
Frequently asked questions
When are Kartech Maritime Services Ltd's accounts due?
Kartech Maritime Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Kartech Maritime Services Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Kartech Maritime Services Ltd still trading?
Kartech Maritime Services Ltd is listed as active on the Companies House register (checked 13 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 Kartech Maritime Services Ltd do?
Kartech Maritime Services Ltd is registered under Repair and maintenance of ships and boats (SIC 33150); Engineering related scientific and technical consulting activities (SIC 71122); Environmental consulting activities (SIC 74901).
How old is Kartech Maritime Services Ltd?
Kartech Maritime Services Ltd was incorporated on 11 July 2017, 9 years ago.
What is the penalty if Kartech Maritime Services 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 Kartech Maritime Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.