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Adk Site Services Ltd

ActiveTotal exemption (full) accountsInstallersDeeside
Company number
13239895
Incorporated
2 Mar 20215 years trading
Registered office
Mechanics House 12 Chester Road, Pentre, Deeside, Flintshire, CH5 2AA
Nature of business
Other construction installation
Accounts due in
48 days
30 Nov 2026
Net assets
£127K▲
+69.1% on the year before
Cash at bank
£5,893▼
At 28 Feb 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Adk Site Services Ltd is a 5-year-old private limited company registered in Deeside, company number 13239895, one of 15 installation companies (insulation, lifts, shutters and similar) in Deeside. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
18 Oct 2026
in 5 days
Last made up to 4 Oct 2025

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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 £52K (+69.1%) on the year before, to £127K.
  • Net assets rose in 3 of 3 year-on-year comparisons on record.
  • Current assets of £130K against £15K owed within a year: 8.5 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£50K£100K28 February 2022: net assets £1£1202228 February 2023: net assets £8,278£8,278202329 February 2024: net assets £75K£75K202428 February 2025: net assets £127K£127K2025
Net assets at each year end, 2022 to 2025£0£50K£100K28 February 2022: net assets £1£1202228 February 2023: net assets £8,278£8,278202329 February 2024: net assets £75K£75K202428 February 2025: net assets £127K£127K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£127K£5,893£130K£15K1
29 Feb 2024£75K£18K£94K£23K2
28 Feb 2023£8,278£1,639£6,190£2,4682
28 Feb 2022£1£1

Where Adk Site Services Ltd is registered

Adk Site Services Ltd's registered office on a map of the UK

The registered office is in Deeside (CH5), in the Flintshire local authority area, Wales. Show CH5 2AA on a map.

Other trade companies in CH5

Shared registered office

30 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 Adk Site Services 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 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
13239895
Status
Active
Company type
Private limited company
Incorporated
2 March 2021 (5 years ago)
Registered office
Mechanics House 12 Chester Road, Pentre, Deeside, Flintshire, CH5 2AA
Nature of business
Other construction installation (SIC 43290)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2025
Last confirmation statement
4 October 2025

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

Similar companies in Deeside

Other active installation companies (insulation, lifts, shutters and similar) registered in Deeside.

All installation companies (insulation, lifts, shutters and similar) in Deeside · All trades in Deeside · Installers across the UK

Frequently asked questions

When are Adk Site Services Ltd's accounts due?

Adk Site Services Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Adk Site Services Ltd's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Adk Site Services Ltd still trading?

Adk Site Services Ltd 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 Adk Site Services Ltd do?

Adk Site Services Ltd is registered under Other construction installation (SIC 43290).

How old is Adk Site Services Ltd?

Adk Site Services Ltd was incorporated on 2 March 2021, 5 years ago.

What is the penalty if Adk Site Services 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 Adk Site Services Ltd 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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