- Company number
- 13115685
- Incorporated
- 6 Jan 20215 years trading
- Registered office
- 13 Prospect Crescent, Keighley, BD22 6LP
- Nature of business
- Construction of domestic buildings; Other building completion and finishing
Alkimos Developments Limited is a 5-year-old private limited company registered in Keighley, company number 13115685, one of 64 building contractors in Keighley. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 unchanged on the year before, at £20.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £20 | £20 | 0 | ||
| 31 Jul 2024 | £20 | £20 | 0 | ||
| 31 Jul 2023 | £20 | £20 | £0 | 0 | |
| 31 Jul 2022 | £4,193 | £5,143 | £950 | 0 | |
| 31 Jul 2021 | £8,063 | £17K | £8,631 | 0 |
Where Alkimos Developments Limited is registered
The registered office is in Keighley (BD22), in the Bradford local authority area, Yorkshire and The Humber. Show BD22 6LP on a map.
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What happens if Alkimos Developments 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 13115685
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2021 (5 years ago)
- Registered office
- 13 Prospect Crescent, Keighley, BD22 6LP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 5 January 2026
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 Keighley
Other active building contractors registered in Keighley.
- Bentley Construction (Silsden) Limited2014
- Brooks Mill Limited2016
- Calvert Construction Projects Limited2026
- Calvert UK Group Limited2026
- Casa Design & Build Limited2015
- Clayhill Commercial Buildings Ltd2021
- Cobbydale Construction Limited2003
- Convert My Home Ltd2024
All building contractors in Keighley · All trades in Keighley · Builders across the UK
Frequently asked questions
When are Alkimos Developments Limited's accounts due?
Alkimos Developments Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Alkimos Developments Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Alkimos Developments Limited still trading?
Alkimos Developments 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 Alkimos Developments Limited do?
Alkimos Developments Limited is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Alkimos Developments Limited?
Alkimos Developments Limited was incorporated on 6 January 2021, 5 years ago.
What is the penalty if Alkimos Developments 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 Alkimos Developments 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.