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  4. Williams Solar Clean Ltd

Williams Solar Clean Ltd

ActiveTotal exemption (full) accountsCleaning companiesLlanelli
Company number
15878386
Incorporated
5 Aug 20242 years trading
Registered office
204 Gate Road, Penygroes, Llanelli, SA14 7RW
Nature of business
Specialised cleaning services
Accounts due in
230 days
31 May 2027
Net assets
£250
At 31 Aug 2025
Cash at bank
£0
At 31 Aug 2025
Employees
2
Average during the year
Checked with Companies House 12 Oct 2026

Williams Solar Clean Ltd is a 2-year-old private limited company registered in Llanelli, company number 15878386, one of 26 cleaning companies in Llanelli. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
9 Oct 2026
Overdue by 4 days
Last made up to 25 Sep 2025

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Financial snapshot, 2025

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

Net assets
£250
Cash at bank
£0
Current assets
£0
Employees
2
Average during the year, including directors

Who runs and owns Williams Solar Clean Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
O*** W***DirectorAug 2024
T*** W***DirectorAug 2024

People with significant control (2)

Individual · since Aug 2024
O*** W***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Aug 2024
T*** W***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Where Williams Solar Clean Ltd is registered

Williams Solar Clean Ltd's registered office on a map of the UK

The registered office is in Llanelli (SA14), in the Carmarthenshire local authority area, Wales. Show SA14 7RW on a map.

Other trade companies in SA14

What happens if Williams Solar Clean 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 31 May 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
15878386
Status
Active
Company type
Private limited company
Incorporated
5 August 2024 (2 years ago)
Registered office
204 Gate Road, Penygroes, Llanelli, SA14 7RW
Nature of business
Specialised cleaning services (SIC 81222)
Year end
31 August (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 August 2025
Last confirmation statement
25 September 2025

Filing notes for cleaning companies

Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.

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Frequently asked questions

When are Williams Solar Clean Ltd's accounts due?

Williams Solar Clean Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is Williams Solar Clean Ltd's CT600 due?

The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.

Is Williams Solar Clean Ltd still trading?

Williams Solar Clean Ltd is listed as active on the Companies House register (checked 12 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 Williams Solar Clean Ltd do?

Williams Solar Clean Ltd is registered under Specialised cleaning services (SIC 81222).

How old is Williams Solar Clean Ltd?

Williams Solar Clean Ltd was incorporated on 5 August 2024, 2 years ago.

Who runs Williams Solar Clean Ltd?

Williams Solar Clean Ltd has 2 active directors, the longest-serving appointed in Aug 2024. Their names and service addresses are on the Companies House register.

Who owns Williams Solar Clean Ltd?

2 people or companies have significant control of Williams Solar Clean Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if Williams Solar Clean 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 Williams Solar Clean 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, rechecked 12 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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