- Companies
- Machinery repair and installation
- Worksop
- Prostar UK Limited
Prostar UK Limited
- Company number
- 05288343
- Incorporated
- 16 Nov 200421 years trading
- Registered office
- Cavendish House, Welbeck, Worksop, Notts, S80 3LL
- Nature of business
- Repair of other equipment
Prostar UK Limited is a 21-year-old private limited company registered in Worksop, company number 05288343, one of 26 machinery repair and installation companies in Worksop. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £175 (+4.5%) on the year before, to -£3,737.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £69K against £88K owed within a year: 0.8 times cover.
- 3 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£3,737 | £69K | £88K | 3 | |
| 30 Nov 2024 | -£3,912 | £160 | £120K | £143K | 2 |
| 30 Nov 2023 | £14K | £160 | £150K | £157K | 2 |
| 30 Nov 2022 | £1,194 | £160 | £104K | £130K | 3 |
| 30 Nov 2021 | £139 | £160 | £94K | £123K | 3 |
| 30 Nov 2020 | £877 | £360 | £110K | £132K | 4 |
| 30 Nov 2019 | £1,633 | £160 | £68K | £84K | 3 |
| 30 Nov 2018 | £2,542 | £160 | £61K | £79K | 3 |
| 30 Nov 2017 | £404 | £160 | £48K | £69K | 4 |
| 30 Nov 2016 | £1,003 | £93K |
Who runs and owns Prostar UK Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| P*** A*** | Director | Nov 2004 |
| C*** A*** | Secretary | Nov 2004 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Theydon Secretaries Limited | Secretary (company) | Nov 2004 | Nov 2004 |
| Theydon Nominees Limited | Nominee director (company) | Nov 2004 | Nov 2004 |
People with significant control (2)
Where Prostar UK Limited is registered
The registered office is in Worksop (S80), in the Bassetlaw local authority area, East Midlands. Show S80 3LL on a map.
Other trade companies in S80
- R P Construction LtdBuilders
- Premier Car and Van Sales LimitedMotor traders
- Jap Car Parts LimitedMotor traders
- Cazac Art Property Services LtdPainters and decorators
- Tek Home Improvements LtdBuilders
- Diana Construction LtdSpecialist contractors
- Lenora Glitters Cleaning Services LtdCleaning companies
- National Doors LtdBuilders
What happens if Prostar UK 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 05288343
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2004 (21 years ago)
- Registered office
- Cavendish House, Welbeck, Worksop, Notts, S80 3LL
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 7 November 2025
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 Worksop
Other active machinery repair and installation companies registered in Worksop.
- R.S.T. Electrical (Darfoulds) Limited2011
- S2K Industrial Services Limited2020
- Select Scales Limited2002
- Service 2000 Machine Tools Limited2011
- SJC Forklift Services Ltd2016
- Southfield Engineering & Calibration Services Limited2002
- Stratosphere Aero Eng Ltd2025
- The Answer Facilities Support Team Limited2010
All machinery repair and installation companies in Worksop · All trades in Worksop · Machinery repair and installation across the UK
Frequently asked questions
When are Prostar UK Limited's accounts due?
Prostar UK Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Prostar UK Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Prostar UK Limited still trading?
Prostar UK 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 Prostar UK Limited do?
Prostar UK Limited is registered under Repair of other equipment (SIC 33190).
How old is Prostar UK Limited?
Prostar UK Limited was incorporated on 16 November 2004, 21 years ago.
Who runs Prostar UK Limited?
Prostar UK Limited has 1 active director, the longest-serving appointed in Nov 2004. Their names and service addresses are on the Companies House register.
Who owns Prostar UK Limited?
2 people or companies have significant control of Prostar UK Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Prostar UK 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 Prostar UK 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.