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Company No. 10624605 · Incorporated 16 Feb 2017

Colne Valley Mechanical Limited

Registered name: COLNE VALLEY MECHANICAL LIMITED

Colne Valley Mechanical Limited made £27.3m revenue and £694k profit in the year to 30 Nov 2025.

Colne Valley Mechanical Limited’s revenue grew 19% to £27.3m in the year to 30 Nov 2025, with £694k profit and 26 employees. The company is classified under “plumbing, heat and air-conditioning installation” and is based in Colchester; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43220Plumbing, heat and air-conditioning installation
Status
Active
Location
Colchester, East of England
Age
9 yrs · since 2017
Type
Private Limited Company
Latest accounts · year to 30 Nov 2025

Key figures

IndependentCapital-lightDoing more with lessBoring industryCash flow filed
Revenue
£27.3m
Growth ▲19.1%
Profit
£694k
Growth —
Profit margin
2.5%
Gross 8.1%
Employees
26
Change ▼3.7%
Profit / employee
£26.7k
Revenue/employee £1m
Profitable streak
1yr
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 to30 Nov 202230 Nov 202330 Nov 202430 Nov 2025
DisclosureNo P&LFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)—£23m£22.9m£27.3m
Cost of sales—£20.8m£22.3m£25.1m
Gross profit—£2.2m£582k£2.2m
Operating profit—£1.3m−£705k£933k
Profit before tax—£1.3m−£704k£932k
Profit after tax—£993k−£548k£694k
Profit (best available)—£993k−£548k£694k
Staff costs—£937k£1.1m£1.3m
Employees (average)13232726
Ratios
Profit margin—4.3%−2.4%2.5%
Gross margin—9.6%2.5%8.1%
Revenue per employee—£1m£849k£1m
Profit per employee—£43.2k−£20.3k£26.7k
Cash conversion———−299.5%
Growth (year on year)
Revenue growth——▼0.4%▲19.1%
Profit growth——▼155.1%—
Headcount growth—▲76.9%▲17.4%▼3.7%
Balance sheet — indirect signals, not revenue
Cash at bank£355k£1.1m£33k£22.7k
Net assets£513k£828k£645k£1.1m
Fixed assets£75.9k£101k£97.2k£108k
Current assets£4.1m£6.6m£10.1m£6.7m
Debtors£1.7m£2m£2.9m£4m
Cash from operations——£2.6m−£2.8m
SourceFullAccounts · bulk data Aug 2024FullAccounts · bulk data Aug 2024FullAccounts · bulk data Aug 2025FullAccounts · bulk data Aug 2026
Derived from the latest filing

How the business works

Profit margin
2.5%
Profit ÷ revenue.
Gross margin
8.1%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£1m
Revenue ÷ average employees.
Profit per employee
£26.7k
Profit ÷ average employees.
Cash conversion
−299.5%
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
0.4%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
14.7%
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
▲75%
Now £1.1m
Cash at bank
▼31%
Now £22.7k
Headcount
▼4%
Now 26
Deferred income
—
Now —
Fixed assets
▲11%
Now £108k
Corporate ownership

Group structure

Subsidiaries (2)

Minority corporate shareholders

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 30 Nov 2025 (profit £694k), from the Companies House accounts bulk data published Aug 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.