- Companies
- Specialist contractors
- Southampton
- Spiridion Limited
Spiridion Limited
- Company number
- 11851856
- Incorporated
- 28 Feb 20197 years trading
- Registered office
- 84 Lodge Road, Southampton, SO14 6RG
- Nature of business
- Other specialised construction activities n.e.c.; Quantity surveying activities
Spiridion Limited is a 7-year-old private limited company registered in Southampton, company number 11851856, one of 202 specialist construction companies in Southampton. 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 up £25K (+51.2%) on the year before, to £74K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £86K against £16K owed within a year: 5.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £74K | £86K | £16K | 2 | |
| 31 Jul 2024 | £49K | £62K | £16K | 2 | |
| 31 Jul 2023 | £49K | £69K | £23K | 2 | |
| 31 Jul 2022 | £40K | £49K | £63K | £26K | 2 |
| 31 Jul 2021 | £36K | £36K | £49K | £33K | 2 |
| 31 Jul 2020 | £18K | £11K | £27K | £10K | 3 |
Where Spiridion Limited is registered
The registered office is in Southampton (SO14), in the Southampton local authority area, South East. Show SO14 6RG on a map.
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- Otess LtdFloor and wall tilers
- Bevertex LimitedElectricians
Shared registered office
26 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Spiridion 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
- 11851856
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 2019 (7 years ago)
- Registered office
- 84 Lodge Road, Southampton, SO14 6RG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Quantity surveying activities (SIC 74902) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 24 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Southampton
Other active specialist construction companies registered in Southampton.
- Steward Carpentry Limited2015
- Structural Group Limited2015
- T and M Cable Services Limited1994
- T Moran Construction Management Limited2018
- T.A.C.K.A Ltd2016
- T.Webber Bricklaying & Building Services Limited2015
- Tekton Projects Ltd2026
- Terraline Limited2026
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are Spiridion Limited's accounts due?
Spiridion Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Spiridion 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 Spiridion Limited still trading?
Spiridion 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 Spiridion Limited do?
Spiridion Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Quantity surveying activities (SIC 74902).
How old is Spiridion Limited?
Spiridion Limited was incorporated on 28 February 2019, 7 years ago.
What is the penalty if Spiridion 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 Spiridion 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.