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Company No. 08926298 · Incorporated 6 Mar 2014

Sine Wave Electrical Ltd

Registered name: SINE WAVE ELECTRICAL LTD

Sine Wave Electrical Ltd made £11.4k revenue and £67 profit in the year to 31 Mar 2025.

Sine Wave Electrical Ltd’s revenue fell 79% to £11.4k in the year to 31 Mar 2025, with £67 profit and 0 employees. The company is classified under “electrical installation” and is based in London; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43210Electrical installation
Status
Active
Location
London, London
Age
12 yrs · since 2014
Type
Private Limited Company
Latest accounts · year to 31 Mar 2025

Key figures

IndependentSmall teamBoring industry
Revenue
£11.4k
Growth ▼78.6%
Profit
£67
Growth ▼74.6%
Profit margin
0.6%
 
Employees
0
Change —
Profit / employee
—
 
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 to31 Mar 202231 Mar 202331 Mar 202431 Mar 2025
DisclosureProfit onlyProfit onlyFull P&LFull P&L
Profit & loss
Revenue (turnover)——£53.2k£11.4k
Gross profit£3k£7.4k——
Operating profit−£16.8k−£11.1k——
Profit before tax−£16.8k−£11.1k——
Profit after tax−£16.8k−£11.1k£264£67
Profit (best available)−£16.8k−£11.1k£264£67
Staff costs——£10.6k£3.9k
Employees (average)0000
Ratios
Profit margin——0.5%0.6%
Growth (year on year)
Revenue growth———▼78.6%
Profit growth———▼74.6%
Balance sheet — indirect signals, not revenue
Cash at bank£10.9k£1.3k——
Net assets−£39.1k−£50.1k−£49.9k−£49.8k
Current assets£10.9k£1.3k£16£84
SourceAbridgedAccounts · bulk data Dec 2023AbridgedAccounts · bulk data Dec 2023FullAccounts · bulk data Dec 2024FullAccounts · bulk data Dec 2025
Derived from the latest filing

How the business works

Profit margin
0.6%
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
—
Revenue ÷ average employees.
Profit per employee
—
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
—
Now −£49.8k
Cash at bank
—
Now —
Headcount
—
Now 0
Deferred income
—
Now —
Fixed assets
—
Now —

Sources

Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £67), 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.