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Alcat Water Services Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersHamilton
Company number
SC223117
Incorporated
11 Sep 200125 years trading
Registered office
29 Brandon Street, Hamilton, South Lanarkshire, ML3 6DA
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
260 days
30 Jun 2027
Net assets
£83▼
-90.6% on the year before
Cash at bank
£7,859▼
At 30 Sep 2025
Employees
1
Average during the year
Checked with Companies House 13 Oct 2026

Alcat Water Services Limited is a 25-year-old private limited company registered in Hamilton, company number SC223117, one of 57 plumbing and heating companies in Hamilton. 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.

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
25 Sep 2027
in 347 days
Last made up to 11 Sep 2026

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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 down £800 (-90.6%) on the year before, to £83.
  • Net assets rose in 3 of 8 year-on-year comparisons on record.
  • Current assets of £7,947 against £7,933 owed within a year: 1.0 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£500£1,00030 September 2017: net assets £403£403201730 September 2018: net assets £183£183201830 September 2019: net assets £32£32201930 September 2020: net assets £1,264£1,264202030 September 2021: net assets £1,134£1,134202130 September 2022: net assets £56£56202230 September 2023: net assets £322£322202330 September 2024: net assets £883£883202430 September 2025: net assets £83£832025
Net assets at each year end, 2017 to 2025£0£500£1,00030 September 2017: net assets £403£403'1730 September 2018: net assets £183£183'1830 September 2019: net assets £32£32'1930 September 2020: net assets £1,264£1,264'2030 September 2021: net assets £1,134£1,134'2130 September 2022: net assets £56£56'2230 September 2023: net assets £322£322'2330 September 2024: net assets £883£883'2430 September 2025: net assets £83£83'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£83£7,859£7,947£7,9331
30 Sep 2024£883£16K£16K£16K1
30 Sep 2023£322£2,958£4,781£3,6711
30 Sep 2022£56£2,733£7,743£11K1
30 Sep 2021£1,134£12K£16K£22K1
30 Sep 2020£1,264£13K£19K£28K1
30 Sep 2019£32£2,727£17K£17K1
30 Sep 2018£183£26K£30K£30K1
30 Sep 2017£403£3,018£15K£15K1

Where Alcat Water Services Limited is registered

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

The registered office is in Hamilton (ML3), in the South Lanarkshire local authority area, Scotland. Show ML3 6DA on a map.

Other trade companies in ML3

Shared registered office

72 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Alcat Water 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 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
SC223117
Status
Active
Company type
Private limited company
Incorporated
11 September 2001 (25 years ago)
Registered office
29 Brandon Street, Hamilton, South Lanarkshire, ML3 6DA
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
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 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Hamilton

Other active plumbing and heating companies registered in Hamilton.

All plumbing and heating companies in Hamilton · All trades in Hamilton · Plumbers and heating engineers across the UK

Frequently asked questions

When are Alcat Water Services Limited's accounts due?

Alcat Water Services Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is Alcat Water Services Limited'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 Alcat Water Services Limited still trading?

Alcat Water Services Limited is listed as active on the Companies House register (checked 13 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 Alcat Water Services Limited do?

Alcat Water Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Alcat Water Services Limited?

Alcat Water Services Limited was incorporated on 11 September 2001, 25 years ago.

What is the penalty if Alcat Water 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 Alcat Water 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, rechecked 13 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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