- Companies
- Installers
- Newcastle
- Seropian Ltd
Seropian Ltd
- Company number
- 12300643
- Incorporated
- 6 Nov 20196 years trading
- Registered office
- 75 Beresford Crescent, Newcastle, ST5 3RQ
- Nature of business
- Other construction installation; Other retail sale in non-specialised stores; specialised design activities; Other service activities n.e.c.
Seropian Ltd is a 6-year-old private limited company registered in Newcastle, company number 12300643, one of 19 installation companies (insulation, lifts, shutters and similar) in Newcastle. 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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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 down £110K (-39%) on the year before, to -£391K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- Current assets of £52K against £4,203 owed within a year: more than 10 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 Dec 2025 | -£391K | £37K | £52K | £4,203 | 2 |
| 31 Dec 2024 | -£281K | £20K | £159K | £5,049 | 2 |
| 31 Dec 2023 | -£146K | £76K | £294K | £11K | 2 |
| 31 Dec 2022 | -£117K | £69K | £311K | £12K | 3 |
| 31 Dec 2021 | -£66K | £19K | £199K | £321K | 3 |
| 31 Dec 2020 | -£6,648 | £1,630 | £7,806 | £15K | 1 |
Who runs and owns Seropian Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| J*** C*** | Director | Jun 2021 |
| L*** W*** | Director | Jul 2023 |
| L*** W*** | Secretary | Jul 2023 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** C*** | Secretary | Jun 2021 | Jul 2023 |
| A*** C*** | Director | Jun 2021 | Apr 2026 |
| S*** C*** | Director | Nov 2019 | Jul 2023 |
People with significant control (2)
Where Seropian Ltd is registered
The registered office is in Newcastle (ST5), in the Newcastle-under-Lyme local authority area, West Midlands. Show ST5 3RQ on a map.
Other trade companies in ST5
- Stonesmith Construction LtdSpecialist contractors
- Restore Property Group LimitedInstallers
- DT Mobile Engineering LtdMechanics and garages
- Woolliscroft Homes (Mow Cop) LimitedBuilders
- Brazier Construction (Stoke on Trent) New LimitedFinishing trades
- Cav-Ex Solutions LtdSpecialist contractors
- Matrix Key Solutions LimitedMechanics and garages
- NW Ground Solutions LtdCivil engineering
What happens if Seropian 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 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
- 12300643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 November 2019 (6 years ago)
- Registered office
- 75 Beresford Crescent, Newcastle, ST5 3RQ
- Nature of business
- Other construction installation (SIC 43290)
Other retail sale in non-specialised stores (SIC 47190)
specialised design activities (SIC 74100)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 24 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Newcastle
Other active installation companies (insulation, lifts, shutters and similar) registered in Newcastle.
- Solar Loop Ltd2021
- Trent Steel Stockholders Ltd2024
- Ventana Installations Ltd2024
- Andrew J Jadczak Limited2016
- C9 Logistics Ltd2013
- CKF Scaffolding Ltd2024
- Costal Site Services Ltd2024
- E J Lundy & Co Ltd2013
All installation companies (insulation, lifts, shutters and similar) in Newcastle · All trades in Newcastle · Installers across the UK
Frequently asked questions
When are Seropian Ltd's accounts due?
Seropian Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Seropian Ltd'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 Seropian Ltd still trading?
Seropian 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 Seropian Ltd do?
Seropian Ltd is registered under Other construction installation (SIC 43290); Other retail sale in non-specialised stores (SIC 47190); specialised design activities (SIC 74100); Other service activities n.e.c. (SIC 96090).
How old is Seropian Ltd?
Seropian Ltd was incorporated on 6 November 2019, 6 years ago.
Who runs Seropian Ltd?
Seropian Ltd has 2 active directors, the longest-serving appointed in Jun 2021. Their names and service addresses are on the Companies House register.
Who owns Seropian Ltd?
2 people or companies have significant control of Seropian Ltd: an individual (owns 50% to 75% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Seropian 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 Seropian 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.