- Companies
- Machinery repair and installation
- Sudbury
- S.A. Castle Limited
S.A. Castle Limited
- Company number
- 04515300
- Incorporated
- 20 Aug 200224 years trading
- Registered office
- 1 Henny View, Bures Road, Little Cornard, Sudbury, Suffolk, CO10 0NR
- Nature of business
- Repair of other equipment
S.A. Castle Limited is a 24-year-old private limited company registered in Sudbury, company number 04515300, one of 17 machinery repair and installation companies in Sudbury. 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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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 £10K (+326.3%) on the year before, to £14K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £19K against £7,117 owed within a year: 2.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £14K | £16K | £19K | £7,117 | 2 |
| 31 Aug 2024 | £3,189 | £11K | £18K | £15K | 2 |
| 31 Aug 2023 | -£5,007 | £6,708 | £15K | £20K | 2 |
| 31 Aug 2022 | -£1,638 | £11K | £20K | £22K | 2 |
| 31 Aug 2021 | £382 | £31K | £31K | 2 | |
| 31 Aug 2020 | £8,758 | £21K | £30K | 2 | |
| 31 Aug 2019 | £5,502 | £21K | £27K | ||
| 31 Aug 2018 | £1,930 | £20K | £18K | ||
| 31 Aug 2017 | £1,352 | £21K | £15K | ||
| 31 Aug 2016 | £856 | £24K | £23K |
Where S.A. Castle Limited is registered
The registered office is in Sudbury (CO10), in the Babergh local authority area, East of England. Show CO10 0NR on a map.
Other trade companies in CO10
- Regrid LtdMotor traders
- Voltage Link LimitedCivil engineering
- The 1 Percent Team LtdProperty developers
- Green Star Heating Services LtdPlumbers and heating engineers
- Ca Scaffolding Services LtdScaffolders
- Delphi Developments LtdProperty developers
- Complete Solutions Group LtdFacilities management
- Finada Corp LimitedBuilders
What happens if S.A. Castle 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
- 04515300
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2002 (24 years ago)
- Registered office
- 1 Henny View, Bures Road, Little Cornard, Sudbury, Suffolk, CO10 0NR
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 20 August 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 Sudbury
Other active machinery repair and installation companies registered in Sudbury.
- Spraybake Limited2004
- T Hall Limited2024
- Taylor Analytical Spectroscopy Services Limited2017
- TC Signalling Services Ltd2017
- Torque Bikes Ltd2018
- Westrock CCTV Solutions Limited2002
- Westrock Electrical Ltd2009
- Admiral East Ltd2012
All machinery repair and installation companies in Sudbury · All trades in Sudbury · Machinery repair and installation across the UK
Frequently asked questions
When are S.A. Castle Limited's accounts due?
S.A. Castle Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is S.A. Castle 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 S.A. Castle Limited still trading?
S.A. Castle 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 S.A. Castle Limited do?
S.A. Castle Limited is registered under Repair of other equipment (SIC 33190).
How old is S.A. Castle Limited?
S.A. Castle Limited was incorporated on 20 August 2002, 24 years ago.
What is the penalty if S.A. Castle 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 S.A. Castle 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.