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- Hydrotech Services Limited
Company profile · Civil engineering
Hydrotech Services Limited
Hydrotech Services Limited is a 32-year-old private limited company registered in Alresford, company number 02903908, one of 6 civil engineering contractors in Alresford. 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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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Hydrotech Services Limited over the years
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 £22K (+3.7%) on the year before, to £608K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £683K against £184K owed within a year: 3.7 times cover.
- 8 employees on average, down from 9 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £608K | £520K | £683K | £184K | 8 |
| 31 Dec 2024 | £586K | £519K | £728K | £225K | 9 |
| 31 Dec 2023 | £444K | £366K | £597K | £263K | 0 |
| 31 Dec 2022 | £484K | £394K | £580K | £234K | 9 |
| 31 Dec 2021 | £598K | £389K | £615K | £185K | 9 |
| 31 Dec 2020 | £686K | £536K | £786K | £279K | 9 |
| 31 Dec 2019 | £669K | £616K | £853K | £318K | |
| 31 Dec 2018 | £626K | £442K | £763K | £302K | |
| 31 Dec 2017 | £568K | £210K | £668K | £231K | |
| 31 Dec 2016 | £428K | £250K | £505K | £180K |
Where Hydrotech Services Limited is registered
The registered office is in Alresford (SO24), in the East Hampshire local authority area, South East. Show SO24 0EF on a map.
Other trade companies in SO24
- Landlec Electrical Services LimitedElectricians
- DP Hampshire Groundworks LtdGroundworks and demolition
- Evergreen Hampshire LtdLandscapers and gardeners
- Meadow View Developments LtdProperty developers
- Aps Paint Holdings LimitedMotor traders
- DJS Auto Services LtdMechanics and garages
- WL Enterprises LtdCleaning companies
- Pureair Climate Control LimitedPlumbers and heating engineers
What happens if Hydrotech Services 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
- 02903908
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 March 1994 (32 years ago)
- Registered office
- Unit 19, Home Farm Petersfield Road, Ropley, Alresford, Hampshire, SO24 0EF
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 2 March 2026
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 Alresford
Other active civil engineering contractors registered in Alresford.
- Pureair Smart Systems Limited2022
- 1M Project Services Ltd.2019
- A & B Homes (South) Limited1988
- E T Design Limited2006
- Fieldgate Consulting Limited2014
All civil engineering contractors in Alresford · All trades in Alresford · Civil engineering across the UK
Frequently asked questions
When are Hydrotech Services Limited's accounts due?
Hydrotech Services Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Hydrotech Services 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 Hydrotech Services Limited still trading?
Hydrotech Services 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 Hydrotech Services Limited do?
Hydrotech Services Limited is registered under Construction of utility projects for fluids (SIC 42210); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hydrotech Services Limited?
Hydrotech Services Limited was incorporated on 2 March 1994, 32 years ago.
What is the penalty if Hydrotech Services 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 Hydrotech Services 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.