- Companies
- Civil engineering
- Renfrew
- Hydroklear Services Limited
Hydroklear Services Limited
- Company number
- SC175783
- Incorporated
- 23 May 199729 years trading
- Registered office
- Titanium 1, King's Inch Place, Renfrew, PA4 8WF
- Nature of business
- Construction of water projects
Hydroklear Services Limited is a 29-year-old private limited company registered in Renfrew, company number SC175783, one of 13 civil engineering contractors in Renfrew. 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 £205K (+36.2%) on the year before, to £770K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £1.2M against £562K owed within a year: 2.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £770K | £407K | £1.2M | £562K | 0 |
| 31 Dec 2024 | £565K | £132K | £1.1M | £691K | 17 |
| 31 Dec 2023 | £407K | £151K | £1M | £618K | 17 |
| 31 Dec 2022 | £399K | £385K | £1.3M | £857K | 18 |
| 31 Dec 2021 | £327K | £3,854 | £914K | £521K | 18 |
| 31 Dec 2020 | £296K | £281K | £932K | £561K | 18 |
| 31 Dec 2019 | £234K | £149K | £901K | £553K | 18 |
| 31 Dec 2018 | £72K | £684K | £495K | 18 | |
| 31 Dec 2017 | £88K | £793K | £582K | 19 |
Where Hydroklear Services Limited is registered
The registered office is in Renfrew (PA4), in the Renfrewshire local authority area, Scotland. Show PA4 8WF on a map.
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- SMG Maintenance Group LtdBuilders
- Gla Property Maintenance LtdCleaning companies
- Scrubz Cleaning LtdCleaning companies
- Altrix Build LimitedProperty developers
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Also registered at this address
23 other companies use the same registered office as Hydroklear Services Limited.
- Allanvale Land (Linlithgow) LimitedProperty developers
- Cavan Construction LimitedCivil engineering
- Circular Cooling LimitedMachinery repair and installation
- Contract Air Systems LimitedSpecialist contractors
- Excel Homes LimitedProperty developers
- G. & R. Ross LimitedPlasterers
- Henck Power Solutions LtdElectricians
- Hybrid Services (Scotland) LimitedMachinery repair and installation
- Invergair Property LimitedProperty developers
- JDPS Plumbers LimitedPlumbers and heating engineers
- JVK Residential LtdProperty developers
- Kilmacolm Regeneration Company LimitedProperty developers
- Malcolm Insulation Supplies LimitedInstallers
- Marshall Brown Architectural Systems LimitedPainters and decorators
- Maude Engineering Services LimitedCivil engineering
- Pacific Power LtdInstallers
- Perth Doorsets Ltd.Joiners and carpenters
- Sterling Hydroklear LimitedCleaning companies
- The Johnston Trading Company LtdProperty developers
- Thistle Power LtdInstallers
- Thompson P.E.G.S. LimitedMotor traders
- Thomson Alarm & Communication Systems LimitedSpecialist contractors
- Underground Inspection Services LimitedSpecialist contractors
What happens if Hydroklear 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
- SC175783
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 1997 (29 years ago)
- Registered office
- Titanium 1, King's Inch Place, Renfrew, PA4 8WF
- 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
- 3 July 2026
- Charges (mortgages)
- 3 outstanding of 4 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 in Renfrew
Other active civil engineering contractors registered in Renfrew.
- James Riley Contracts Limited2016
- Marcy Contracts Ltd2016
- Maude Engineering Services Limited2003
- Monteith Power Distribution Ltd2024
- Nanj Installation Works Ltd2016
- Pinnacle Welding Services Ltd2026
- Russell Penny Ltd2026
- Scotia Building Services Ltd2014
All civil engineering contractors in Renfrew · All trades in Renfrew · Civil engineering across the UK
Frequently asked questions
When are Hydroklear Services Limited's accounts due?
Hydroklear Services 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 Hydroklear 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 Hydroklear Services Limited still trading?
Hydroklear 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 Hydroklear Services Limited do?
Hydroklear Services Limited is registered under Construction of water projects (SIC 42910).
How old is Hydroklear Services Limited?
Hydroklear Services Limited was incorporated on 23 May 1997, 29 years ago.
What is the penalty if Hydroklear 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 Hydroklear 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.