£112k
−29%vs Oct 2024Active10946103Private limited companyLondon
PRIME MECHANICAL INSTALLATIONS LTD
Significant control: Paul Anthony Rimmer (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Prime Mechanical Installations Ltd sell?
Registered activity: Manufacture of metal structures and parts of structures (SIC 25110). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
PRIME MECHANICAL INSTALLATIONS LTD is an active private limited company (company number 10946103) incorporated on 5 September 2017, registered in London. Its registered activity is manufacture of metal structures and parts of structures (SIC 25110). Latest micro accounts cover the period ending 31 October 2025, showing net assets of £112k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 29% on the prior period (£158k).
Peer position · net assets
By net assets it sits in the top quarter of 144 comparable companies in London (median £1,000, upper quartile £37k).
02
Ownership and control
- Mr Paul Anthony Rimmer
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 5 September 20179 yrs ago
- Next accounts due
- 31 July 2027in 280 days
- Confirmation statement due
- 19 September 2027in 330 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 25110
- Manufacture of metal structures and parts of structures
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £112k | — | — | — | — | — | 1 |
| 31 October 2024 | £158k | — | — | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £112,231 at 31 October 2025
- Net assets down 25% or more on the prior period-28.9% vs prior period
- Incorporated five or more years agoIncorporated 5 September 2017
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 330 days
- Next accounts duein 280 days
- Accounts period endNet assets £112k · micro accounts
- Accounts period endNet assets £158k · micro accounts
- Incorporated
08
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- CML STEEL LIMITEDLondon · inc. Jan 2018
- NATHAN LIN ENGINEERING LTDLondon · inc. Jan 2017
- LONDON METAL ENGINEERS LTDLondon · inc. May 2018
- JASHIM METAL LTDLondon · inc. Jun 2018
All companies incorporated on 5 September 2017 · in Sept 2017.
09
Reminders for PRIME MECHANICAL INSTALLATIONS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.