Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 4 March 2027
- Last conf. stmt
- 18 February 2026
Subsea Innovation Limited
- Incorporated
- 5 October 1995 (31 years)
- Previously known as
- Tekmar Subsea Limited (until 13 December 2011)Tekmar (UK) Limited (until 6 February 2007)Sealtech Limited (until 14 February 1997)
- Industry
- Manufacture of other special-purpose machinery n.e.c. (28990)
- Directors
- Martin Ian George CharlesHimanshu Suresh Gandhi
- Owned by
- Accounts type
- Small
- Region
- North East
- Address
- Innovation HouseCenturion WayDarlingtonDL3 0UP
Charges
- Total
- 17
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 17
Officers 2 active
Officer details are public data from the Companies House register.
Charles, Martin Ian George
Director · Appointed 2 May 2024
British
Born October 1962 (64)
Gandhi, Himanshu Suresh
Director · Appointed 2 May 2024
Indian
Born March 1961 (65)
Officer history (18 former)
26 May 2025
Resigned Mackie, Nicholas Charles as Secretary
2 May 2024
2 May 2024
Appointed Gandhi, Himanshu Suresh as Director
2 May 2024
Appointed Mackie, Nicholas Charles as Secretary
2 May 2024
2 May 2024
Appointed Charles, Martin Ian George as Director
2 May 2024
31 March 2023
31 March 2023
30 November 2021
1 June 2021
20 August 2020
14 September 2018
14 September 2018
14 September 2018
14 September 2018
15 September 2017
6 January 2017
21 June 2016
Resigned Moon, Martin John as Director
22 December 2015
24 December 2014
27 October 2014
1 October 2012
1 June 2012
Appointed Moon, Martin John as Director
1 March 2012
30 September 2011
30 September 2011
3 March 2011
15 February 2011
15 February 2011
4 July 2007
1 December 1996
5 October 1995
5 October 1995
5 October 1995
5 October 1995
5 October 1995
5 October 1995
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 2 May 2024
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. Sc356252
Former controllers (2)
2 May 2024
Ceased Tekmar Group PLC — Owns 75–100% of shares
14 September 2018
Group structure 3 companies
Ownership group derived from the Companies House PSC register
Gse Rentals Limited Owns 75–100% of shares
Subsea Innovation Limited This company Owns 75–100% of shares
Financials
Figures from 2024 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Net Assets
- £1,063,608
- Cash
- £145,416
- Turnover
- £7,303,665
- Profit Before Tax
- (£642,978)
- Employees
- 38
- Debt Ratio
- 60%
- Current Ratio
- 1.5x
- Profit Margin
- -9%
- Return on Equity
- -41%
Balance sheet detail
| 2024 | |
|---|---|
| Fixed Assets | £337,875 |
| Current Assets | £2,352,905 |
| Cash | £145,416 |
| Creditors (< 1 year) | £1,590,990 |
| Creditors (> 1 year) | £12,729 |
| Net Current Assets | £761,915 |
| Net Assets | £1,063,608 |
| Shareholder Funds | £1,063,608 |
| Turnover | £7,303,665 |
| Cost of Sales | £5,677,957 |
| Gross Profit | £1,625,708 |
| Admin Expenses | £2,591,116 |
| Staff Costs | £2,595,047 |
| Operating Profit | (£638,076) |
| Profit Before Tax | (£642,978) |
| Tax | (£202,740) |
| Profit for Period | (£440,238) |
Filings 171
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 15 July 2026 | Accounts for a small company | 31 December 2025 | ||
| 19 February 2026 | Confirmation statement with no updates | 18 February 2026 | ||
| 28 July 2025 | Full accounts | 31 December 2024 | ||
| 26 May 2025 | Termination of appointment of a secretary | |||
| 13 March 2025 | Confirmation statement with updates | 13 March 2025 |
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