- Companies
- Electricians
- Milton Keynes
- Rocso Site Services Ltd
Rocso Site Services Ltd
- Company number
- 07732505
- Incorporated
- 8 Aug 201115 years trading
- Registered office
- 3 Beaufort Court, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8HL
- Nature of business
- Electrical installation; Other construction installation; Joinery installation; Other building completion and finishing
Rocso Site Services Ltd is a 15-year-old private limited company registered in Milton Keynes, company number 07732505, one of 165 electrical contractors in Milton Keynes. 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 down £179K on the year before, to -£178K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £301K against £490K owed within a year: 0.6 times cover.
- 7 employees on average, up from 6 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£178K | £42 | £301K | £490K | 7 |
| 31 Jul 2024 | £913 | £26K | £154K | £166K | 6 |
| 31 Jul 2023 | -£51K | £4,224 | £99K | £167K | 7 |
| 31 Jul 2022 | -£63K | £7,057 | £0 | 7 | |
| 8 Aug 2021 | -£102K | £10K | 7 | ||
| 31 Mar 2021 | -£163K | 6 | |||
| 31 Mar 2020 | £198K | £0 | £14K | 4 | |
| 31 Mar 2019 | £183K | £3,621 | £108K | ||
| 31 Mar 2018 | -£79K | £2,510 | £5,277 | ||
| 31 Aug 2017 | -£82K | £3,310 | £29K |
Where Rocso Site Services Ltd is registered
The registered office is in Milton Keynes (MK5), in the Milton Keynes local authority area, South East. Show MK5 8HL on a map.
Other trade companies in MK5
- Ellscar Construction LtdElectricians
- Lajoy LimitedCleaning companies
- Indf7 Investments LimitedProperty developers
- Barnes Electrical MK LtdElectricians
- Gleam and Flow LtdCleaning companies
- Francis the Handyman LimitedInstallers
- DBC Services & Renewables LtdProperty developers
- Grand Royale Cars LimitedMotor traders
What happens if Rocso Site 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 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
- 07732505
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2011 (15 years ago)
- Registered office
- 3 Beaufort Court, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8HL
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 29 July 2026
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 Milton Keynes
Other active electrical contractors registered in Milton Keynes.
- Ronfix Maintenance Ltd2026
- RP Connections Services Ltd2026
- S E Maintenance Ltd2019
- S.J.D. Associates Limited1996
- Sa & Mat Ltd2018
- Safe Check Electrical Ltd2017
- Salmon M&E Ltd2018
- SBC Electrical Contractors Limited2006
All electrical contractors in Milton Keynes · All trades in Milton Keynes · Electricians across the UK
Frequently asked questions
When are Rocso Site Services Ltd's accounts due?
Rocso Site Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Rocso Site Services Ltd'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 Rocso Site Services Ltd still trading?
Rocso Site 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 Rocso Site Services Ltd do?
Rocso Site Services Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390).
How old is Rocso Site Services Ltd?
Rocso Site Services Ltd was incorporated on 8 August 2011, 15 years ago.
What is the penalty if Rocso Site 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 Rocso Site 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.