Company profile · Builders
Asm Builders Services Limited
Asm Builders Services Limited is a 5-year-old private limited company registered in Northolt, company number 13555438, one of 172 building contractors in Northolt. 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.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Asm Builders 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 down £1,155 (-592.3%) on the year before, to -£1,350.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£1,350 | £3,300 | 2 | ||
| 31 Aug 2024 | -£195 | £2,300 | 2 | ||
| 31 Aug 2023 | £401 | £401 | 2 | ||
| 31 Aug 2022 | -£799 | 2 |
Where Asm Builders Services Limited is registered
The registered office is in Northolt (UB5), in the Ealing local authority area, London. Show UB5 6UQ on a map.
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What happens if Asm Builders 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 13555438
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2021 (5 years ago)
- Registered office
- 11 Dolphin Road, Northolt, UB5 6UQ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 30 January 2026
- Previous names
- Alsalam Construction Ltd (until 20 Jul 2022)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Northolt
Other active building contractors registered in Northolt.
- Aulakh Design and Build Limited2023
- Banatim Limited2021
- Battlay Limited2026
- Best Brick Traders Ltd2024
- Bhangu Builders Ltd2022
- Bhatti & Sons Building Services Ltd2022
- Blini Flooring Ltd2025
- BR Building Services Ltd2024
All building contractors in Northolt · All trades in Northolt · Builders across the UK
Frequently asked questions
When are Asm Builders Services Limited's accounts due?
Asm Builders Services Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Asm Builders Services Limited'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 Asm Builders Services Limited still trading?
Asm Builders 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 Asm Builders Services Limited do?
Asm Builders Services Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Asm Builders Services Limited?
Asm Builders Services Limited was incorporated on 9 August 2021, 5 years ago.
What is the penalty if Asm Builders 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 Asm Builders Services Limited 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.