- Companies
- Finishing trades
- St Helens
- Karl Williams Building Services Ltd
Karl Williams Building Services Ltd
- Company number
- 15987533
- Incorporated
- 30 Sep 20242 years trading
- Registered office
- 17 George Street, St Helens, Merseyside, WA10 1DB
- Nature of business
- Other building completion and finishing
Karl Williams Building Services Ltd is a 2-year-old private limited company registered in St Helens, company number 15987533, one of 16 building finishing companies in St Helens. 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.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Who runs and owns Karl Williams Building Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** W*** | Director | Sep 2024 |
Person with significant control
Where Karl Williams Building Services Ltd is registered
The registered office is in St Helens (WA10), in the St. Helens local authority area, North West. Show WA10 1DB on a map.
Other trade companies in WA10
- BNB Trade LimitedMotor traders
- Hatton’S Utilities LtdCivil engineering
- Ste Leatherbarrow Building and Roofing LtdBuilders
- Maqur Services LtdBuilders
- Speakman Chilled-Worx LtdMachinery repair and installation
- JM Technical LtdMachinery repair and installation
- P.W.Fencing LtdProperty developers
- Subsea Cable Solutions LimitedInstallers
Also registered at this address
20 other companies use the same registered office as Karl Williams Building Services Ltd.
- Acts Maintenance Solutions LtdPlumbers and heating engineers
- Aircraft and Vehicle Services LimitedMechanics and garages
- Coleford Developments LimitedProperty developers
- D G Rebar LtdCivil engineering
- G Palfrey & Son LimitedFinishing trades
- Gemini Security Systems LtdInstallers
- Jacques Landscapes LimitedLandscapers and gardeners
- Keda Construction LtdBuilders
- M&M Developments (Wigan) Ltd.Property developers
- McNulty Young Property Development LimitedBuilders
- MWB Residence LimitedProperty developers
- N Clarke LimitedCivil engineering
- New Dawn Projects LimitedBuilders
- Ontrack Electrical LimitedElectricians
- Orrell Roofline LimitedRoofers
- Powercom Systems LimitedElectricians
- Rarmervale LimitedProperty developers
- Reform Construction LimitedBuilders
- Silverbow Construction LimitedBuilders
- ST Helens and District Conservative and Unionist Building Company LimitedProperty developers
What happens if Karl Williams Building 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15987533
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2024 (2 years ago)
- Registered office
- 17 George Street, St Helens, Merseyside, WA10 1DB
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 29 September 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in St Helens
Other active building finishing companies registered in St Helens.
- Kev Collins Limited2023
- KLN Brickwork Limited2013
- Mask Brickwork & Building Contractor Limited2008
- Pewfall Developments Limited2024
- Vanessa Escapes & Property Maintenance Ltd2026
- Adb Civils Limited2020
- B O'Brien Brickwork Limited2014
- BP Brickwork (NW) Limited2026
All building finishing companies in St Helens · All trades in St Helens · Finishing trades across the UK
Frequently asked questions
When are Karl Williams Building Services Ltd's accounts due?
Karl Williams Building Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Karl Williams Building Services Ltd'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 Karl Williams Building Services Ltd still trading?
Karl Williams Building 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 Karl Williams Building Services Ltd do?
Karl Williams Building Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Karl Williams Building Services Ltd?
Karl Williams Building Services Ltd was incorporated on 30 September 2024, 2 years ago.
Who runs Karl Williams Building Services Ltd?
Karl Williams Building Services Ltd has 1 active director, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.
Who owns Karl Williams Building Services Ltd?
One person or company has significant control of Karl Williams Building Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Karl Williams Building 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 Karl Williams Building Services Ltd 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.