How much does Premier Mechanical Installations Limited make?

Premier Mechanical Installations Limited reported revenue of £27.6m and £3.7m profit in the year to 31 Dec 2024, according to its accounts filed at Companies House.

How many employees does Premier Mechanical Installations Limited have?

Premier Mechanical Installations Limited reported an average of 21 employees in the year to 31 Dec 2024.

Is Premier Mechanical Installations Limited profitable?

Yes — Premier Mechanical Installations Limited reported a profit of £3.7m in the year to 31 Dec 2024.

Company No. 04893966 · Incorporated 10 Sep 2003

Premier Mechanical Installations Limited

Registered name: PREMIER MECHANICAL INSTALLATIONS LIMITED

Part of Premier Mechanical Installations Group Ltd group

Premier Mechanical Installations Limited made £27.6m revenue and £3.7m profit in the year to 31 Dec 2024.

Premier Mechanical Installations Limited’s revenue was £27.6m in the year to 31 Dec 2024, with £3.7m profit and 21 employees. The company is classified under “plumbing, heat and air-conditioning installation” and is based in Maidenhead; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43220Plumbing, heat and air-conditioning installation

Status: Active
Location: Maidenhead, South East
Age: 23 yrs · since 2003
Type: Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “Premier Mechanical Installations Group Limited”

Latest accounts · year to 31 Dec 2024

Key figures

Capital-lightBoring industryCash flow filed

Revenue

£27.6m

Growth —

Profit

£3.7m

Growth —

Profit margin

13.4%

Gross 33.5%

Employees

Change —

Profit / employee

£175k

Revenue/employee £1.3m

Profitable streak

4yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2021	30 Apr 2023	31 Dec 2023	31 Dec 2024
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£18.6m	£29.4m	£12.8m	£27.6m
Cost of sales	£14.6m	£22.9m	£9.8m	£18.3m
Gross profit	£4m	£6.4m	£3m	£9.2m
Operating profit	£1.4m	£2.5m	£592k	£4.9m
Profit before tax	£1.4m	£2.5m	£611k	£4.9m
Profit after tax	£1.2m	£2m	£428k	£3.7m
Profit (best available)	£1.2m	£2m	£428k	£3.7m
Staff costs	£558k	£979k	£441k	£772k
Employees (average)	19	20	19	21
Ratios
Profit margin	6.4%	6.9%	3.4%	13.4%
Gross margin	21.3%	21.9%	23.2%	33.5%
Revenue per employee	£979k	£1.5m	£672k	£1.3m
Profit per employee	£62.9k	£101k	£22.5k	£175k
Cash conversion	−46.9%	−59.8%	−70.1%	−38%
Balance sheet — indirect signals, not revenue
Cash at bank	£638k	£513k	£394k	£955k
Net assets	£5.4m	£7.4m	£8m	£11.7m
Fixed assets	£1.7m	£2m	£1.9m	£1.9m
Current assets	£6.6m	£9.5m	£9.8m	£15.1m
Debtors	£1.6m	£2.6m	£2.9m	£2.5m
Cash from operations	−£644k	−£1.5m	−£415k	−£1.9m
Source	FullAccounts · bulk data Apr 2024	FullAccounts · bulk data Apr 2024	FullAccounts · bulk data Jun 2025	FullAccounts · bulk data Mar 2026

Derived from the latest filing

How the business works

Profit margin: 13.4%; Profit ÷ revenue.
Gross margin: 33.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £1.3m; Revenue ÷ average employees.
Profit per employee: £175k; Profit ÷ average employees.
Cash conversion: −38%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 7%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 8.9%; Money owed by customers. Low = customers pay quickly.

Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets: —; Now £11.7m
Cash at bank: —; Now £955k
Headcount: —; Now 21
Deferred income: —; Now —
Fixed assets: —; Now £1.9m

Corporate ownership

Group structure

Ownership chain

Premier Mechanical Installations Group Ltd (registered outside the UK register)ultimate parent75–100%
Premier Mechanical Installations Limitedthis company

Bands show the share of ownership each company holds in the one below it.

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2024 (profit £3.7m), from the Companies House accounts bulk data published Mar 2026. Spotted an error? Request a correction.

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.