- Companies
- Finishing trades
- Doncaster
- M Siddons Limited
M Siddons Limited
- Company number
- 16166462
- Incorporated
- 6 Jan 20251 year trading
- Registered office
- 87 Kirton Lane, Thorne, Doncaster, DN8 5RF
- Nature of business
- Other building completion and finishing
M Siddons Limited is a 1-year-old private limited company registered in Doncaster, company number 16166462, one of 107 building finishing companies in Doncaster. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where M Siddons Limited is registered
The registered office is in Doncaster (DN8), in the Doncaster local authority area, Yorkshire and The Humber. Show DN8 5RF on a map.
Other trade companies in DN8
- Moss Renovations LtdRepair services
- Fix All Roofing & Gutters LtdRoofers
- Costi Builder LtdBuilders
- CMT Property Maintenance LtdElectricians
- Yorkshire House Refurbishments LtdBuilders
- Doncaster MX LtdMechanics and garages
- Noble Welding & Fabrication LtdMachinery repair and installation
- B Skidmore Services LimitedInstallers
What happens if M Siddons 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16166462
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2025 (1 year ago)
- Registered office
- 87 Kirton Lane, Thorne, Doncaster, DN8 5RF
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 5 January 2026
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 Doncaster
Other active building finishing companies registered in Doncaster.
- M&M Utilities Limited2018
- Market Place Bawtry Ltd2023
- Marss Investments (UK) Ltd2023
- Masefield Building Services Limited2011
- Mho Resources Ltd2021
- MKM Contractors Ltd2014
- Modern Property Service (MPS) Ltd2023
- MZ Property Services (Doncaster) Ltd2024
All building finishing companies in Doncaster · All trades in Doncaster · Finishing trades across the UK
Frequently asked questions
When are M Siddons Limited's accounts due?
M Siddons Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is M Siddons Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is M Siddons Limited still trading?
M Siddons 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 M Siddons Limited do?
M Siddons Limited is registered under Other building completion and finishing (SIC 43390).
How old is M Siddons Limited?
M Siddons Limited was incorporated on 6 January 2025, 1 year ago.
What is the penalty if M Siddons 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 M Siddons 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.