How much does Sparkplugelectric Ltd make?

Sparkplugelectric Ltd reported revenue of £43k and £613 profit in the year to 30 Sep 2025, according to its accounts filed at Companies House.

How many employees does Sparkplugelectric Ltd have?

Sparkplugelectric Ltd reported an average of 1 employee in the year to 30 Sep 2025.

Is Sparkplugelectric Ltd profitable?

Yes — Sparkplugelectric Ltd reported a profit of £613 in the year to 30 Sep 2025.

Company No. 15945124 · Incorporated 9 Sep 2024

Sparkplugelectric Ltd

Registered name: SPARKPLUGELECTRIC LTD

Sparkplugelectric Ltd made £43k revenue and £613 profit in the year to 30 Sep 2025.

Sparkplugelectric Ltd’s revenue was £43k in the year to 30 Sep 2025, with £613 profit and 1 employee. The company is classified under “electrical installation” and is based in Sutton.

Full P&L filedSection F · ConstructionSIC 43210Electrical installation SIC 47910Retail sale via mail order houses or via Internet SIC 49320Taxi operation

Status: Active
Location: Sutton, London
Age: 2 yrs · since 2024
Type: Private Limited Company

Latest accounts · year to 30 Sep 2025

Key figures

IndependentSmall teamYoung and profitableBoring industry

Revenue

£43k

Growth —

Profit

£613

Growth —

Profit margin

1.4%

Gross 72%

Employees

Change —

Profit / employee

£613

Revenue/employee £43k

Profitable streak

1yr

Consecutive profitable years in our data

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

1 filed year

Financial history

Multi-year financials, oldest to newest
Year to	30 Sep 2025
Disclosure	Full P&L
Profit & loss
Revenue (turnover)	£43k
Gross profit	£31k
Profit before tax	£757
Profit after tax	£613
Profit (best available)	£613
Staff costs	£14.8k
Employees (average)	1
Ratios
Profit margin	1.4%
Gross margin	72%
Revenue per employee	£43k
Profit per employee	£613
Balance sheet — indirect signals, not revenue
Net assets	£713
Current assets	£757
Source	FullAccounts · bulk data May 2026

Derived from the latest filing

How the business works

Profit margin: 1.4%; Profit ÷ revenue.
Gross margin: 72%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £43k; Revenue ÷ average employees.
Profit per employee: £613; 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 £713
Cash at bank: —; Now —
Headcount: —; Now 1
Deferred income: —; Now —
Fixed assets: —; Now —

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 30 Sep 2025 (profit £613), from the Companies House accounts bulk data published May 2026. 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.