- Companies
- Electricians
- Merthyr Tydfil
- Rosper Engineering Services Ltd
Rosper Engineering Services Ltd
- Company number
- 08566553
- Incorporated
- 12 Jun 201313 years trading
- Registered office
- The Dragon Mill, Pontmorlais West, Merthyr Tydfil, CF47 8UT
- Nature of business
- Electrical installation
Rosper Engineering Services Ltd is a 13-year-old private limited company registered in Merthyr Tydfil, company number 08566553, one of 37 electrical contractors in Merthyr Tydfil. Its next accounts are due at Companies House on 29 December 2027, and the CT600 for the period to 29 March 2027 is due at HMRC on 29 March 2028.
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 £14K (+6.3%) on the year before, to £231K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £20K against £11K owed within a year: 1.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Mar 2026 | £231K | £20K | £11K | 0 | |
| 29 Mar 2025 | £218K | £8,771 | £7,223 | 0 | |
| 29 Mar 2024 | £230K | £40K | £18K | 1 | |
| 29 Mar 2023 | £261K | £103K | £41K | 1 | |
| 29 Mar 2022 | £249K | £110K | £58K | 3 | |
| 31 Mar 2021 | £187K | £59K | £65K | £145K | 0 |
| 31 Mar 2020 | £171K | £67K | £74K | £161K | 0 |
| 29 Mar 2020 | £171K | £74K | £161K | 1 | |
| 31 Mar 2019 | £53K | £71K | £24K | ||
| 30 Mar 2018 | £54K | £83K | £36K |
Where Rosper Engineering Services Ltd is registered
The registered office is in Merthyr Tydfil (CF47), in the Merthyr Tydfil local authority area, Wales. Show CF47 8UT on a map.
Other trade companies in CF47
- Rji Services LtdMechanics and garages
- R&P Motor Services LtdMechanics and garages
- Grain and Groove Carpentry LtdJoiners and carpenters
- Nextnest Properties LimitedProperty developers
- Frontier Power Solutions LtdElectricians
- Jude Developments LtdProperty developers
- Taff Group Property Services LtdPainters and decorators
- Anew Energy LimitedPlumbers and heating engineers
What happens if Rosper Engineering Services 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 29 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2027 to 29 Jan 2028 | £150 |
| 1 to 3 months late | 30 Jan 2028 to 29 Mar 2028 | £375 |
| 3 to 6 months late | 30 Mar 2028 to 29 Jun 2028 | £750 |
| More than 6 months late | From 30 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2028 | £200 |
| 3 months late | 29 Jun 2028 | another £200 |
| 6 months late | 29 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Mar 2029 | 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
- 08566553
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2013 (13 years ago)
- Registered office
- The Dragon Mill, Pontmorlais West, Merthyr Tydfil, CF47 8UT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 March 2026
- Last confirmation statement
- 12 June 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Merthyr Tydfil
Other active electrical contractors registered in Merthyr Tydfil.
- Solarfit Energy Ltd2025
- Switched on Solutions Electrical Services Limited2019
- Taf Electrical Group Ltd2026
- Zone Electrical Limited2005
- A-Spec Electrical Ltd2019
- A.L.F. Electrical Management Limited2018
- Acp Electrical Limited2019
- All Round Energy Solutions Ltd2012
All electrical contractors in Merthyr Tydfil · All trades in Merthyr Tydfil · Electricians across the UK
Frequently asked questions
When are Rosper Engineering Services Ltd's accounts due?
Rosper Engineering Services Ltd's next accounts are due at Companies House by 29 December 2027 (in 443 days), covering the period to 29 March 2027.
When is Rosper Engineering Services Ltd's CT600 due?
The CT600 for the period to 29 March 2027 is due at HMRC by 29 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2027.
Is Rosper Engineering Services Ltd still trading?
Rosper Engineering Services 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 Rosper Engineering Services Ltd do?
Rosper Engineering Services Ltd is registered under Electrical installation (SIC 43210).
How old is Rosper Engineering Services Ltd?
Rosper Engineering Services Ltd was incorporated on 12 June 2013, 13 years ago.
What is the penalty if Rosper Engineering Services 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 Rosper Engineering Services 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.