- Companies
- Builders
- Dukinfield
- Muon Core Ltd
Muon Core Ltd
- Company number
- 09995817
- Incorporated
- 9 Feb 201610 years trading
- Registered office
- 28 Angel Close, Dukinfield, SK16 4XA
- Nature of business
- Construction of domestic buildings; Wholesale of household goods (other than musical instruments) n.e.c.; Retail sale via mail order houses or via Internet; Business and domestic software development
Muon Core Ltd is a 10-year-old private limited company registered in Dukinfield, company number 09995817, one of 13 building contractors in Dukinfield. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £4,761 (+167.9%) on the year before, to £7,596.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £50K against £52K owed within a year: 1.0 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £7,596 | £50K | £52K | 3 | |
| 31 Mar 2024 | £2,835 | £40K | £36K | 2 | |
| 31 Mar 2023 | £24K | £44K | £19K | 1 | |
| 31 Mar 2022 | £85K | £103K | £20K | 3 | |
| 31 Mar 2021 | £56K | £105K | £48K | 3 | |
| 31 Mar 2020 | £63K | £122K | £57K | 3 | |
| 31 Mar 2019 | £3,041 | £42K | £38K | ||
| 28 Feb 2018 | £100 | £100 | |||
| 28 Feb 2017 | £100 | £100 |
Where Muon Core Ltd is registered
The registered office is in Dukinfield (SK16), in the Tameside local authority area, North West. Show SK16 4XA on a map.
Other trade companies in SK16
- Med Rail LimitedElectricians
- MS North Build LtdBuilders
- Tower Mill Autos LimitedMechanics and garages
- M’N’S Pressure Washing LtdCleaning companies
- Corlen Group LtdBuilders
- DMG Northwest LimitedInstallers
- MH Exterior Solutions LtdCleaning companies
- Ah Elite Decor LimitedPainters and decorators
What happens if Muon Core 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09995817
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2016 (10 years ago)
- Registered office
- 28 Angel Close, Dukinfield, SK16 4XA
- Nature of business
- Construction of domestic buildings (SIC 41202)
Wholesale of household goods (other than musical instruments) n.e.c. (SIC 46499)
Retail sale via mail order houses or via Internet (SIC 47910)
Business and domestic software development (SIC 62012) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 May 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 Dukinfield
Other active building contractors registered in Dukinfield.
- New World Structural Solutions Ltd2022
- Trowel Up Ltd2024
- Acc Property Services Ltd2024
- Adamson Construction Limited1984
- Brotherhood Developments Ltd2026
- Colcrete (NW) Ltd2025
- Corlen Group Ltd2026
- D.P. Shephard Limited1997
All building contractors in Dukinfield · All trades in Dukinfield · Builders across the UK
Frequently asked questions
When are Muon Core Ltd's accounts due?
Muon Core Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Muon Core Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Muon Core Ltd still trading?
Muon Core 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 Muon Core Ltd do?
Muon Core Ltd is registered under Construction of domestic buildings (SIC 41202); Wholesale of household goods (other than musical instruments) n.e.c. (SIC 46499); Retail sale via mail order houses or via Internet (SIC 47910); Business and domestic software development (SIC 62012).
How old is Muon Core Ltd?
Muon Core Ltd was incorporated on 9 February 2016, 10 years ago.
What is the penalty if Muon Core 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 Muon Core 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.