- Companies
- Specialist contractors
- Plymouth
- Mechanical Site Services Ltd
Mechanical Site Services Ltd
- Company number
- 09707227
- Incorporated
- 28 Jul 201511 years trading
- Registered office
- c/o M H Associates, Barbican House, 36 New Street, Plymouth, PL1 2NA
- Nature of business
- Other specialised construction activities n.e.c.
Mechanical Site Services Ltd is a 11-year-old private limited company registered in Plymouth, company number 09707227, one of 113 specialist construction companies in Plymouth. 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 £6,872 (+27.6%) on the year before, to £32K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £3,119 against £15K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £32K | £3,119 | £15K | 0 | |
| 31 Jul 2024 | £25K | £330 | £6,959 | 0 | |
| 31 Jul 2023 | £21K | £300 | £1,101 | -1 | |
| 31 Jul 2022 | £23K | £3 | £23K | -2 | |
| 31 Jul 2021 | £21K | £3 | £21K | -2 | |
| 31 Jul 2020 | £21K | £1,770 | £19K | -1 | |
| 31 Jul 2019 | £16K | £9,380 | £18K | 1 | |
| 31 Jul 2018 | £17K | £12K | £17K | £196 | |
| 31 Jul 2017 | £20K | £25K | £196 | ||
| 31 Jul 2016 | £5,913 | £230 | £7,181 |
Where Mechanical Site Services Ltd is registered
The registered office is in Plymouth (PL1), in the Plymouth local authority area, South West. Show PL1 2NA on a map.
Other trade companies in PL1
- Clearway Drives & Patios LtdLandscapers and gardeners
- Techshopplymouth LtdRepair services
- Plymouth Garage LtdMechanics and garages
- Westmore Construction (South West) LtdProperty developers
- SW MOT LtdMechanics and garages
- SW Garage LtdMechanics and garages
- Mitchell Electrical (SW) LtdElectricians
- Mallu S Wheels UK LtdMotor traders
Also registered at this address
11 other companies use the same registered office as Mechanical Site Services Ltd.
- Ak Bricklaying LimitedBuilders
- Churchyard Electrical LtdBuilders
- Creation Groundworks LimitedCivil engineering
- DH Carpet and Flooring LtdFloor and wall tilers
- Elloway LtdProperty developers
- Garden Services (SW) LtdSpecialist contractors
- Mop, Bucket & Broom LtdCleaning companies
- Ocean View Homes LtdBuilders
- Quantock Engineering Services LtdCivil engineering
- R J T Property Maintenance LtdSpecialist contractors
- Worth Building Construction LimitedProperty developers
What happens if Mechanical 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
- 09707227
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2015 (11 years ago)
- Registered office
- c/o M H Associates, Barbican House, 36 New Street, Plymouth, PL1 2NA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 27 July 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 Plymouth
Other active specialist construction companies registered in Plymouth.
- MJC Passive Fire Ltd2025
- MP Welding Ltd2019
- ND Installations SW Limited2019
- Obedair Ltd2015
- Passive Fire Services Ltd2023
- Pipe-X Southwest Ltd2025
- Plymouth Group Investments Ltd2025
- Plymouth Home Improvements Group Ltd2025
All specialist construction companies in Plymouth · All trades in Plymouth · Specialist contractors across the UK
Frequently asked questions
When are Mechanical Site Services Ltd's accounts due?
Mechanical 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 Mechanical 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 Mechanical Site Services Ltd still trading?
Mechanical 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 Mechanical Site Services Ltd do?
Mechanical Site Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mechanical Site Services Ltd?
Mechanical Site Services Ltd was incorporated on 28 July 2015, 11 years ago.
What is the penalty if Mechanical 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 Mechanical 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.