How much does Colsec Limited make?

Colsec Limited reported revenue of £7.9m and £209k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Colsec Limited have?

Colsec Limited reported an average of 47 employees in the year to 31 Dec 2025.

Is Colsec Limited profitable?

Yes — Colsec Limited reported a profit of £209k in the year to 31 Dec 2025.

Company No. 01177162 · Incorporated 12 Jul 1974

Colsec Limited

Registered name: COLSEC LIMITED

Part of Omega (Uk) Holdings Ltd group

Colsec Limited made £7.9m revenue and £209k profit in the year to 31 Dec 2025. read from filing text

Colsec Limited’s revenue fell 1% to £7.9m in the year to 31 Dec 2025, with £209k profit and 47 employees. The company is classified under “other manufacturing” and is based in Whyteleafe; we hold 4 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 32990Other manufacturing n.e.c.

Status: Active
Location: Whyteleafe, London
Age: 52 yrs · since 1974
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: “Omega (U.K.) Holdings Limited, a company registered in England and Wales, has a 90% interest in the equity share capital at 31 December 2025. Copies of the parent's financial statements may be obtaine”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-light

Revenue

£7.9m

Growth ▼0.7%

Profit

£209k

Growth ▼23.4%

Profit margin

2.6%

Gross 28.5%

Employees

Change ▼4.1%

Profit / employee

£4.5k

Revenue/employee £168k

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 2022	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£7.2m	£7.3m	£8m	£7.9m
Cost of sales	£5.1m	£4.9m	£5.7m	£5.6m
Gross profit	£2.1m	£2.4m	£2.3m	£2.3m
Operating profit	£467k	£617k	£369k	£283k
Profit before tax	£466k	£620k	£386k	£285k
Profit after tax	£380k	£492k	£273k	£209k
Profit (best available)	£380k	£492k	£273k	£209k
Employees (average)	49	47	49	47
Ratios
Profit margin	5.3%	6.8%	3.4%	2.6%
Gross margin	29.8%	33.3%	28.8%	28.5%
Revenue per employee	£147k	£155k	£162k	£168k
Profit per employee	£7.8k	£10.5k	£5.6k	£4.5k
Growth (year on year)
Revenue growth	—	▲1%	▲9.1%	▼0.7%
Profit growth	—	▲29.5%	▼44.6%	▼23.4%
Headcount growth	—	▼4.1%	▲4.3%	▼4.1%
Balance sheet — indirect signals, not revenue
Cash at bank	£549k	£1.5m	£388k	£684k
Net assets	£1.6m	£1.5m	£1.7m	£1.9m
Fixed assets	£217k	£223k	£210k	£161k
Current assets	£2.7m	£3.2m	£2.9m	£2.8m
Debtors	£1.4m	£1m	£1.8m	£1.3m
Source	FullAccounts · bulk data Jul 2024	FullAccounts · bulk data Jul 2024	FullAccounts · bulk data Jul 2025	FullAccounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 2.6%; Profit ÷ revenue.
Gross margin: 28.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £168k; Revenue ÷ average employees.
Profit per employee: £4.5k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 2%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 16.5%; 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: ▲13%; Now £1.9m
Cash at bank: ▲76%; Now £684k
Headcount: ▼4%; Now 47
Deferred income: —; Now —
Fixed assets: ▼24%; Now £161k

Corporate ownership

Group structure

Ownership chain

Omega (Uk) Holdings Ltd (registered outside the UK register)ultimate parent75–100%
Colsec 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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £209k), 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.