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Company No. 06669123 · Incorporated 11 Aug 2008

Marine Power Systems Ltd

Registered name: MARINE POWER SYSTEMS LTD

Marine Power Systems Ltd made £0 revenue and a £772k loss in the year to 30 Apr 2025. read from filing text

Marine Power Systems Ltd’s revenue fell 100% to £0 in the year to 30 Apr 2025, with a loss of £772k and 30 employees. The company is classified under “other manufacturing” and is based in Swansea; we hold 4 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 32990Other manufacturing n.e.c.
Status
Active
Location
Swansea, Wales
Age
18 yrs · since 2008
Type
Private Limited Company
Latest accounts · year to 30 Apr 2025

Key figures

Independent
Revenue
£0
Growth ▼100%
Profit
−£772k
Growth —
Profit margin
—
 
Employees
30
Change 0%
Profit / employee
−£25.7k
Revenue/employee £0
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.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to30 Apr 202230 Apr 202330 Apr 202430 Apr 2025
DisclosureFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing text
Profit & loss
Revenue (turnover)£0£83.2k£657k£0
Cost of sales£0£73.6k£259k£0
Gross profit£0£9.6k£398k£0
Operating profit−£1.8m−£1.8m−£1.1m−£1.4m
Profit before tax−£1.8m−£1.7m−£945k−£1.2m
Profit after tax−£1.8m−£1.9m−£1m−£772k
Profit (best available)−£1.8m−£1.9m−£1m−£772k
Employees (average)19253030
Ratios
Profit margin—−2333%−159.2%—
Gross margin—11.5%60.6%—
Revenue per employee£0£3.3k£21.9k£0
Profit per employee−£93.7k−£77.6k−£34.9k−£25.7k
Growth (year on year)
Revenue growth——▲690.2%▼100%
Headcount growth—▲31.6%▲20%0%
Balance sheet — indirect signals, not revenue
Cash at bank£4.7m£3.5m£3.5m£6.4m
Net assets£6.3m£4.7m£6.1m£7.9m
Fixed assets£93k£84.6k£60.4k£38.4k
Current assets£6.9m£5.3m£6.3m£7.9m
Debtors£0£3k£0£1.5m
SourceFullAccounts · bulk data Jan 2024FullAccounts · bulk data Jan 2024FullAccounts · bulk data Jan 2025FullAccounts · bulk data Dec 2025
Derived from the latest filing

How the business works

Profit margin
—
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£0
Revenue ÷ average employees.
Profit per employee
−£25.7k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
—
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
▲29%
Now £7.9m
Cash at bank
▲82%
Now £6.4m
Headcount
0%
Now 30
Deferred income
—
Now —
Fixed assets
▼36%
Now £38.4k
Corporate ownership

Group structure

Subsidiaries (1)

From the Persons with Significant Control register (corporate controllers only).

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Sources

Latest figures from FullAccounts for the year to 30 Apr 2025 (profit −£772k), 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.