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Company No. 13507039 · Incorporated 12 Jul 2021

Brimstone Security UK Ltd

Registered name: BRIMSTONE SECURITY UK LTD

Brimstone Security UK Ltd made £152 revenue and a £1.4k loss in the year to 31 Jul 2025.

Brimstone Security UK Ltd’s revenue fell 96% to £152 in the year to 31 Jul 2025, with a loss of £1.4k and 1 employee. The company is classified under “private security activities” and is based in Leeds; we hold 3 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 80100Private security activities
Status
Active
Location
Leeds, Yorkshire and The Humber
Age
5 yrs · since 2021
Type
Private Limited Company
Latest accounts · year to 31 Jul 2025

Key figures

IndependentSmall teamCapital-lightBoring industry
Revenue
£152
Growth ▼95.6%
Profit
−£1.4k
Growth ▼764.3%
Profit margin
−904.6%
 
Employees
1
Change ▼50%
Profit / employee
−£1.4k
Revenue/employee £152
Profitable streak
0yrs
Consecutive profitable years in our data

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

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Jul 202331 Jul 202431 Jul 2025
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£2.7k£3.5k£152
Profit after tax£787£207−£1.4k
Profit (best available)£787£207−£1.4k
Staff costs£1.8k£4.4k£1.5k
Employees (average)—21
Ratios
Profit margin29%6%−904.6%
Revenue per employee—£1.7k£152
Profit per employee—£104−£1.4k
Growth (year on year)
Revenue growth—▲28%▼95.6%
Profit growth—▼73.7%▼764.3%
Headcount growth——▼50%
Balance sheet — indirect signals, not revenue
Net assets−£2.6k−£4.2k£0
Fixed assets£0£368£0
Current assets£0£0£0
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2025
Derived from the latest filing

How the business works

Profit margin
−904.6%
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£152
Revenue ÷ average employees.
Profit per employee
−£1.4k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
0%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
—
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 £0
Cash at bank
—
Now —
Headcount
▼50%
Now 1
Deferred income
—
Now —
Fixed assets
▼100%
Now £0

Sources

Latest figures from FullAccounts for the year to 31 Jul 2025 (profit −£1.4k), from the Companies House accounts bulk data published Sep 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.