How much does Custom Security Solutions Limited make?

Custom Security Solutions Limited reported revenue of £13.9m and £803k profit in the year to 31 Mar 2025, according to its accounts filed at Companies House.

How many employees does Custom Security Solutions Limited have?

Custom Security Solutions Limited reported an average of 82 employees in the year to 31 Mar 2025.

Is Custom Security Solutions Limited profitable?

Yes — Custom Security Solutions Limited reported a profit of £803k in the year to 31 Mar 2025.

Company No. 04013996 · Incorporated 13 Jun 2000

Custom Security Solutions Limited

Registered name: CUSTOM SECURITY SOLUTIONS LIMITED

Part of Carp Topco Limited group

Custom Security Solutions Limited made £13.9m revenue and £803k profit in the year to 31 Mar 2025. read from filing text

Custom Security Solutions Limited’s revenue grew 12% to £13.9m in the year to 31 Mar 2025, with £803k profit and 82 employees. The company is classified under “private security activities” and is based in Hertford; we hold 4 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 80100Private security activities

Status: Active
Location: Hertford, East of England
Age: 26 yrs · since 2000
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: “The company shares are owned by Custom Security Group Limited. On 31 March 2025, the existing shareholders of Custom Security Group Limited sold all shares to Andwis Group Limited. The ultimate contro”

Latest accounts · year to 31 Mar 2025

Key figures

Capital-lightBoring industryCash flow filed

Revenue

£13.9m

Growth ▲11.9%

Profit

£803k

Growth ▲2%

Profit margin

5.8%

Gross 50.2%

Employees

Change ▲32.3%

Profit / employee

£9.8k

Revenue/employee £170k

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	30 Apr 2022	30 Apr 2023	30 Apr 2024	31 Mar 2025
Disclosure	Profit only	Profit only	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	—	—	£12.4m	£13.9m
Cost of sales	—	—	£6.3m	£6.9m
Gross profit	—	—	£6.1m	£7m
Operating profit	—	—	£544k	£892k
Profit before tax	—	—	£529k	£911k
Profit after tax	£1.2m	£587k	£787k	£803k
Profit (best available)	£1.2m	£587k	£787k	£803k
Staff costs	—	—	£4m	£4.6m
Employees (average)	55	62	62	82
Ratios
Profit margin	—	—	6.3%	5.8%
Gross margin	—	—	49.1%	50.2%
Revenue per employee	—	—	£201k	£170k
Profit per employee	£20.9k	£9.5k	£12.7k	£9.8k
Cash conversion	—	—	−413.5%	−33.4%
Growth (year on year)
Revenue growth	—	—	—	▲11.9%
Profit growth	—	▼49%	▲34.1%	▲2%
Headcount growth	—	▲12.7%	0%	▲32.3%
Balance sheet — indirect signals, not revenue
Cash at bank	£952k	£763k	£2.8m	£2.7m
Net assets	£1.2m	£1.7m	£2.5m	£2.8m
Fixed assets	£261k	£418k	£329k	£252k
Current assets	£2.5m	£3.6m	£6m	£7.3m
Debtors	£1.4m	£2.4m	£2.2m	£2.8m
Deferred income	—	—	£539k	£809k
Cash from operations	—	—	−£2.3m	−£298k
Source	FullAccounts · bulk data Jan 2024	FullAccounts · bulk data Jan 2024	FullAccounts · bulk data Feb 2025	FullAccounts · bulk data Dec 2025

Derived from the latest filing

How the business works

Profit margin: 5.8%; Profit ÷ revenue.
Gross margin: 50.2%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £170k; Revenue ÷ average employees.
Profit per employee: £9.8k; Profit ÷ average employees.
Cash conversion: −33.4%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 1.8%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 5.8%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 20.1%; 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: ▲9%; Now £2.8m
Cash at bank: ▼2%; Now £2.7m
Headcount: ▲32%; Now 82
Deferred income: ▲50%; Now £809k
Fixed assets: ▼23%; Now £252k

Corporate ownership

Group structure

Ownership chain

Carp Topco Limitedultimate parent75–100%
Carp Midco Limited75–100%
Andwis Group Limited75–100%
Custom Security Group Limited75–100%
Custom Security Solutions Limitedthis company

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

Sister companies (1)

Custom Intelligent Security LimitedFigures not disclosed

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 Mar 2025 (profit £803k), from the Companies House accounts bulk data published Dec 2025. 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.