- Companies
- Machinery repair and installation
- Wirral
- Alter Installation Services Ltd
Alter Installation Services Ltd
- Company number
- 16321101
- Incorporated
- 17 Mar 20251 year trading
- Registered office
- 27 Manor Road, Eastham, Wirral, CH62 8BW
- Nature of business
- Installation of industrial machinery and equipment
Alter Installation Services Ltd is a 1-year-old private limited company registered in Wirral, company number 16321101, one of 44 machinery repair and installation companies in Wirral. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Alter Installation Services Ltd is registered
The registered office is in Wirral (CH62), in the Wirral local authority area, North West. Show CH62 8BW on a map.
Other trade companies in CH62
- Lenada Group LtdProperty developers
- Taylored Plant LtdMachinery repair and installation
- Ies Integrated Electrical Services LtdElectricians
- Terminus Developments LtdProperty developers
- Luna Sen-Scapes LtdBuilders
- Mike Morris Home and Property Services LtdBuilders
- Total Clean Ag Services LtdCleaning companies
- The Roman Commercial Group LimitedBuilders
What happens if Alter Installation 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16321101
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2025 (1 year ago)
- Registered office
- 27 Manor Road, Eastham, Wirral, CH62 8BW
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 16 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Wirral
Other active machinery repair and installation companies registered in Wirral.
- Automait Ltd2026
- Avial Ltd2023
- Baker Electrical Group Ltd2018
- Biservices511 Ltd2022
- C.Rushton UK Ltd2025
- CLM Group Systems Limited1999
- Cornerstone Composites Ltd2024
- CSH Energy Ltd2025
All machinery repair and installation companies in Wirral · All trades in Wirral · Machinery repair and installation across the UK
Frequently asked questions
When are Alter Installation Services Ltd's accounts due?
Alter Installation Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Alter Installation Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Alter Installation Services Ltd still trading?
Alter Installation 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 Alter Installation Services Ltd do?
Alter Installation Services Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Alter Installation Services Ltd?
Alter Installation Services Ltd was incorporated on 17 March 2025, 1 year ago.
What is the penalty if Alter Installation 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 Alter Installation 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.