£141
+228%vs Jul 2024ActiveNI613529Private limited companyCarrickfergus
SWALLOWTAIL SUBSEA LTD
Significant control: Patrick Andrew Paul Stocker (25–50%), Rosa Do Carno Teixeira (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Swallowtail Subsea Ltd sell?
Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SWALLOWTAIL SUBSEA LTD is an active private limited company (company number NI613529) incorporated on 6 July 2012, registered in Carrickfergus. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Latest small accounts cover the period ending 31 July 2025, showing net assets of £141 and cash of £3,509, with 2 employees on average. Net assets rose 228% on the prior period (£43).
Peer position · net assets
By net assets it sits in the lower half of 489 comparable companies in Belfast (median £6,781, upper quartile £58k).
02
Ownership and control
- Mr Patrick Andrew Paul Stocker
- owns 25–50% of shares
- holds 25–50% of voting rights
- Ms Rosa Do Carno Teixeira
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 6 July 201214 yrs ago
- Next accounts due
- 30 April 2027in 185 days
- Confirmation statement due
- 20 July 2027in 266 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£3,509
−25%vs Jul 2024Not reported
2
No changevs Jul 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 July 2025 | £141 | £3,509 | £73k | — | — | — | 2 |
| 31 July 2024 | £43 | £4,706 | £70k | — | — | — | 2 |
Cash per employee£1,754Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £141 at 31 July 2025
- Net assets up 10% or more on the prior period+227.9% vs prior period
- Incorporated five or more years agoIncorporated 6 July 2012
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 266 days
- Next accounts duein 185 days
- Accounts period endNet assets £141 · small accounts
- Accounts period endNet assets £43 · small accounts
- Incorporated
08
Similar companies in Belfast
- ANIMAL HEALTH AND WELFARE NIDungannon · inc. Jun 2012
- JIGSAW PROJECT MANAGEMENT SOLUTIONS LTDCraigavon · inc. May 2012
- ACTIONSENSE LTD.Londonderry · inc. May 2012
- CHRIS CONNOLLY LIMITEDBelfast · inc. Sept 2012
- HEALTH AND SAFETY SERVICES (NI) LIMITEDCookstown · inc. Sept 2012
- MOIRA PRIVATE MEDICAL LTDBelfast · inc. Mar 2012
All companies incorporated on 6 July 2012 · in Jul 2012.
09
Reminders for SWALLOWTAIL SUBSEA LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.