- Companies
- Civil engineering
- Swansea
- Aquasol Water Systems Ltd
Aquasol Water Systems Ltd
- Company number
- 10958358
- Incorporated
- 12 Sep 20179 years trading
- Registered office
- C/O Bevan Buckland LLP Ground Floor Cardigan House, Castle Court Swansea Enterprise Park, Swansea, SA7 9LA
- Nature of business
- Construction of water projects
Aquasol Water Systems Ltd is a 9-year-old private limited company registered in Swansea, company number 10958358, one of 71 civil engineering contractors in Swansea. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £2,154 (+5.7%) on the year before, to £40K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £4,391 against £51K owed within a year: 0.1 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £40K | £735 | £4,391 | £51K | 2 |
| 30 Sep 2024 | £38K | £148 | £9,015 | £32K | 2 |
| 30 Sep 2023 | £12K | £113 | £21K | £34K | 2 |
| 30 Sep 2022 | £49K | £9,365 | £43K | £15K | 2 |
| 30 Sep 2021 | £132K | £170K | £176K | £58K | 2 |
| 30 Sep 2020 | £44K | £278K | £284K | £248K | 2 |
| 30 Sep 2019 | £40K | £184K | £286K | £265K | 0 |
| 30 Sep 2018 | -£6,906 | £3,675 | £12K | £37K |
Who runs and owns Aquasol Water Systems Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** T*** | Director | Sep 2017 |
Person with significant control
Where Aquasol Water Systems Ltd is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 9LA on a map.
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Also registered at this address
9 other companies use the same registered office as Aquasol Water Systems Ltd.
- Carsmetics LtdMechanics and garages
- Databid LimitedGroundworks and demolition
- Davies Praedium LtdProperty developers
- DHWD LimitedBuilders
- Door System Installations LtdInstallers
- Efficient Living Solutions UK LtdInstallers
- Elitestone LimitedProperty developers
- Ian Davies Plant LimitedSpecialist contractors
- S W Heating & Plumbing (Gower) LtdPlumbers and heating engineers
What happens if Aquasol Water Systems 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10958358
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2017 (9 years ago)
- Registered office
- C/O Bevan Buckland LLP Ground Floor Cardigan House, Castle Court Swansea Enterprise Park, Swansea, SA7 9LA
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 11 September 2025
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 in Swansea
Other active civil engineering contractors registered in Swansea.
- Atr Construction Ltd2021
- Avarix Highways Engineering Limited2025
- Avarix Limited2025
- B.E.A. Jones Ltd2003
- Beacons Electrical Engineering Ltd2016
- Beauden B Rail Ltd2023
- Benn Engineering Ltd2019
- Bisp Civil Engineering Ltd2020
All civil engineering contractors in Swansea · All trades in Swansea · Civil engineering across the UK
Frequently asked questions
When are Aquasol Water Systems Ltd's accounts due?
Aquasol Water Systems Ltd's next accounts are due at Companies House by 30 June 2027 (in 259 days), covering the period to 30 September 2026.
When is Aquasol Water Systems Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Aquasol Water Systems Ltd still trading?
Aquasol Water Systems Ltd is listed as active on the Companies House register (checked 12 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 Aquasol Water Systems Ltd do?
Aquasol Water Systems Ltd is registered under Construction of water projects (SIC 42910).
How old is Aquasol Water Systems Ltd?
Aquasol Water Systems Ltd was incorporated on 12 September 2017, 9 years ago.
Who runs Aquasol Water Systems Ltd?
Aquasol Water Systems Ltd has 1 active director, the longest-serving appointed in Sep 2017. Their names and service addresses are on the Companies House register.
Who owns Aquasol Water Systems Ltd?
One person or company has significant control of Aquasol Water Systems Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Aquasol Water Systems 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 Aquasol Water Systems Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.