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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.

Active 02903908 Total exemption (full) accounts Alresford Since 1994

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
16 Mar 2027
in 155 days
Last made up to 2 Mar 2026

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Financial snapshot, 2025

From the balance sheet at 31 December 2025, as filed at Companies House.

Net assets
£608K
+3.7% on the year before
Cash at bank
£520K
+0.2% on the year before
Current assets
£683K
Employees
8
Average during the year, including directors

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

Net assets at each year end, 2016 to 2025£0£250K£500K31 December 2016: net assets £428K201631 December 2017: net assets £568K201731 December 2018: net assets £626K201831 December 2019: net assets £669K201931 December 2020: net assets £686K202031 December 2021: net assets £598K202131 December 2022: net assets £484K202231 December 2023: net assets £444K202331 December 2024: net assets £586K202431 December 2025: net assets £608K£608K2025
Net assets at each year end, 2016 to 2025£0£250K£500K31 December 2016: net assets £428K'1631 December 2017: net assets £568K'1731 December 2018: net assets £626K'1831 December 2019: net assets £669K'1931 December 2020: net assets £686K'2031 December 2021: net assets £598K'2131 December 2022: net assets £484K'2231 December 2023: net assets £444K'2331 December 2024: net assets £586K'2431 December 2025: net assets £608K£608K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£608K£520K£683K£184K8
31 Dec 2024£586K£519K£728K£225K9
31 Dec 2023£444K£366K£597K£263K0
31 Dec 2022£484K£394K£580K£234K9
31 Dec 2021£598K£389K£615K£185K9
31 Dec 2020£686K£536K£786K£279K9
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

Hydrotech Services Limited's registered office on a map of the UK

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

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 HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 2028another 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.

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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.

Report an error on this page

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.

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