How much does Carbon 3 Engineering Limited make?

Carbon 3 Engineering Limited reported revenue of £60.2k and £28.4k profit in the year to 31 Mar 2025, according to its accounts filed at Companies House.

How many employees does Carbon 3 Engineering Limited have?

Carbon 3 Engineering Limited reported an average of 1 employee in the year to 31 Mar 2025.

Is Carbon 3 Engineering Limited profitable?

Yes — Carbon 3 Engineering Limited reported a profit of £28.4k in the year to 31 Mar 2025.

Company No. 08807699 · Incorporated 9 Dec 2013

Carbon 3 Engineering Limited

Registered name: CARBON 3 ENGINEERING LIMITED

Carbon 3 Engineering Limited made £60.2k revenue and £28.4k profit in the year to 31 Mar 2025. read from filing text

Carbon 3 Engineering Limited’s revenue grew 3% to £60.2k in the year to 31 Mar 2025, with £28.4k profit and 1 employee. The company is classified under “other engineering activities” and is based in Burnham on Crouch; we hold 4 years of its filed accounts.

Full P&L filedSection M · Professional, scientific and technical activitiesSIC 71129Other engineering activities

Status: Active
Location: Burnham on Crouch, East of England
Age: 12 yrs · since 2013
Type: Private Limited Company

Latest accounts · year to 31 Mar 2025

Key figures

IndependentSmall teamCapital-lightOperating leverage

Revenue

£60.2k

Growth ▲3%

Profit

£28.4k

Growth ▲11.8%

Profit margin

47.1%

Employees

Change 0%

Profit / employee

£28.4k

Revenue/employee £60.2k

Profitable streak

2yrs

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 Mar 2022	31 Mar 2023	31 Mar 2024	31 Mar 2025
Disclosure	No P&L	No P&L	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	—	—	£58.4k	£60.2k
Profit before tax	—	—	£31.4k	£35.5k
Profit after tax	—	—	£25.4k	£28.4k
Profit (best available)	—	—	£25.4k	£28.4k
Employees (average)	1	1	1	1
Ratios
Profit margin	—	—	43.4%	47.1%
Revenue per employee	—	—	£58.4k	£60.2k
Profit per employee	—	—	£25.4k	£28.4k
Growth (year on year)
Revenue growth	—	—	—	▲3%
Profit growth	—	—	—	▲11.8%
Headcount growth	—	0%	0%	0%
Balance sheet — indirect signals, not revenue
Cash at bank	£5.1k	£5.1k	£7.2k	£5.2k
Net assets	−£4.9k	−£2.9k	−£88	£5.3k
Fixed assets	£2.2k	£4.1k	£3.8k	£1.8k
Current assets	—	—	£7.2k	£12.3k
Debtors	—	—	£0	£1.5k
Source	Accounts · bulk data Dec 2023	Accounts · bulk data Dec 2023	FullAccounts · bulk data Nov 2024	FullAccounts · bulk data Mar 2026

Derived from the latest filing

How the business works

Profit margin: 47.1%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £60.2k; Revenue ÷ average employees.
Profit per employee: £28.4k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 2.9%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 2.5%; 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: —; Now £5.3k
Cash at bank: ▼28%; Now £5.2k
Headcount: 0%; Now 1
Deferred income: —; Now —
Fixed assets: ▼54%; Now £1.8k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £28.4k), from the Companies House accounts bulk data published Mar 2026. Spotted an error? Request a correction.

Updated from Companies House on 15 Oct 2026

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