- Companies
- Civil engineering
- International Aqua-Tech Limited
International Aqua-Tech Limited
- Company number
- 02705739
- Incorporated
- 10 Apr 199234 years trading
- Registered office
- Unit 37-38, Gaerwen Industrial Estate, Gaerwen, Anglesey, LL60 6HR
- Nature of business
- Construction of water projects
International Aqua-Tech Limited is a 34-year-old private limited company registered in Gaerwen, company number 02705739, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £7,387 (+0.9%) on the year before, to £812K.
- Current assets of £1.2M against £510K owed within a year: 2.3 times cover.
- 17 employees on average, up from 14 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £812K | £505K | £1.2M | £510K | 17 |
| 31 Dec 2024 | £805K | £334K | £1.5M | £787K | 14 |
| 31 Dec 2023 | £840K | £942K | £1.4M | £586K | 14 |
Who runs and owns International Aqua-Tech Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| J*** W*** | Director | Mar 1994 |
| S*** H*** | Director | Mar 1998 |
| A*** G*** | Director | Aug 2017 |
| J*** W*** | Secretary | Jul 2003 |
17 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| K*** H*** | Secretary | Mar 2000 | Jun 2003 |
| S*** N*** | Secretary | Mar 1994 | Mar 2000 |
| L*** T*** | Secretary | Apr 1992 | Mar 1994 |
| Swift Incorporations Limited | Corporate Nominee Secretary | Apr 1992 | Apr 1992 |
| D*** D*** | Director | Dec 2019 | Mar 2022 |
| J*** F*** | Director | Apr 1992 | Feb 2000 |
| R*** F*** | Director | Apr 1994 | |
| S*** F*** | Director | Apr 1992 | Jul 1993 |
| P*** G*** | Director | Feb 2000 | Dec 2019 |
| I*** G*** | Director | May 2022 | May 2026 |
| K*** H*** | Director | Dec 2000 | May 2003 |
| J*** L*** | Director | Apr 1992 | Feb 2003 |
| M*** M*** | Director | Mar 1998 | Jun 1999 |
| M*** P*** | Director | Aug 2017 | Dec 2019 |
| P*** S*** | Director | Feb 2000 | Sep 2002 |
| V*** S*** | Director | Feb 2000 | Aug 2017 |
| J*** S*** | Director | Feb 2000 | Aug 2017 |
Person with significant control
Charges (secured borrowing)
All 5 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Lloyds TSB Bank PLC | Satisfied Apr 2015 | Aug 2008 |
| Lloyds TSB Bank PLC | Satisfied Apr 2015 | Sep 2005 |
| National Westminster Bank PLC | Satisfied Apr 2001 | Jun 2000 |
| National Westminster Bank PLC | Satisfied Apr 2001 | Feb 1995 |
| National Westminster Bank PLC | Satisfied Apr 2001 | Jul 1992 |
Where International Aqua-Tech Limited is registered
The registered office is in Gaerwen (LL60), in the Isle of Anglesey local authority area, Wales. Show LL60 6HR on a map.
Other trade companies in LL60
- JNF Property Services LtdProperty developers
- G1 Building & Roofing LtdRoofers
- S H R Contracting LtdSpecialist contractors
- A.B. Jetwash LtdCleaning companies
- Ty CRWN Garej CyfMechanics and garages
- Windowtec Group LtdProperty developers
- E & D Thomas LtdSpecialist contractors
- Dark Matter Detailing LtdCleaning companies
What happens if International Aqua-Tech Limited 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 02705739
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 1992 (34 years ago)
- Registered office
- Unit 37-38, Gaerwen Industrial Estate, Gaerwen, Anglesey, LL60 6HR
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 May 2026
- Charges (mortgages)
- 0 outstanding of 5 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
Frequently asked questions
When are International Aqua-Tech Limited's accounts due?
International Aqua-Tech Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is International Aqua-Tech Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is International Aqua-Tech Limited still trading?
International Aqua-Tech Limited 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 International Aqua-Tech Limited do?
International Aqua-Tech Limited is registered under Construction of water projects (SIC 42910).
How old is International Aqua-Tech Limited?
International Aqua-Tech Limited was incorporated on 10 April 1992, 34 years ago.
Who runs International Aqua-Tech Limited?
International Aqua-Tech Limited has 3 active directors, the longest-serving appointed in Mar 1994. Their names and service addresses are on the Companies House register.
Who owns International Aqua-Tech Limited?
One person or company has significant control of International Aqua-Tech Limited: Selonda Aquaculture S.A. (owns 75% or more of the shares).
What is the penalty if International Aqua-Tech Limited 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 International Aqua-Tech Limited 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.