How much does Westwire Harnessing Limited make?

Westwire Harnessing Limited reported revenue of £8m and £1.2m profit in the year to 31 Mar 2026, according to its accounts filed at Companies House.

How many employees does Westwire Harnessing Limited have?

Westwire Harnessing Limited reported an average of 50 employees in the year to 31 Mar 2026.

Is Westwire Harnessing Limited profitable?

Yes — Westwire Harnessing Limited reported a profit of £1.2m in the year to 31 Mar 2026.

Company No. 02142617 · Incorporated 26 Jun 1987

Westwire Harnessing Limited

Registered name: WESTWIRE HARNESSING LIMITED

Westwire Harnessing Limited made £8m revenue and £1.2m profit in the year to 31 Mar 2026.

Westwire Harnessing Limited’s revenue grew 66% to £8m in the year to 31 Mar 2026, with £1.2m profit and 50 employees. The company is classified under “manufacture of other electronic and electric wires and cables” and is based in Swindon; we hold 5 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 27320Manufacture of other electronic and electric wires and cables

Status: Active
Location: Swindon, South West
Age: 39 yrs · since 1987
Type: Private Limited Company

Latest accounts · year to 31 Mar 2026

Key figures

IndependentCapital-lightOperating leverage

Revenue

£8m

Growth ▲66.2%

Profit

£1.2m

Growth ▲150%

Profit margin

15.2%

Gross 50.1%

Employees

Change ▲21.9%

Profit / employee

£24.3k

Revenue/employee £160k

Profitable streak

4yrs

Consecutive profitable years in our data

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

5 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Mar 2022	31 Mar 2023	31 Mar 2024	31 Mar 2025	31 Mar 2026
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£2.9m	£3.2m	£4.3m	£4.8m	£8m
Cost of sales	£2.5m	£2.1m	£2.6m	£2.6m	£4m
Gross profit	£405k	£1.2m	£1.7m	£2.2m	£4m
Operating profit	−£422k	£17.1k	£126k	£636k	£1.6m
Profit before tax	−£425k	£2.5k	£83.3k	£637k	£1.6m
Profit after tax	−£343k	£2.3k	£50k	£485k	£1.2m
Profit (best available)	−£343k	£2.3k	£50k	£485k	£1.2m
Staff costs	£1.3m	£1.4m	£1.5m	—	—
Employees (average)	34	37	44	41	50
Ratios
Profit margin	−11.7%	0.1%	1.2%	10.1%	15.2%
Gross margin	13.8%	36.5%	40.2%	46.7%	50.1%
Revenue per employee	£86.5k	£87.5k	£98k	£117k	£160k
Profit per employee	−£10.1k	£61	£1.1k	£11.8k	£24.3k
Growth (year on year)
Revenue growth	—	—	▲33.3%	▲11.6%	▲66.2%
Profit growth	—	—	▲2118%	▲871%	▲150%
Headcount growth	—	—	▲18.9%	▼6.8%	▲21.9%
Balance sheet — indirect signals, not revenue
Cash at bank	£124k	£66.7k	£195k	£240k	£459k
Net assets	£1.3m	£1.3m	£1.3m	£1.8m	£2.2m
Fixed assets	£401k	£477k	£390k	£350k	£650k
Current assets	£1.7m	£1.8m	£2.8m	£3.6m	£4.1m
Debtors	£465k	£780k	£1.1m	£817k	£1.3m
Deferred income	£88.8k	£70.7k	£110k	—	—
Source	Accounts · bulk data Mar 2024	Accounts · bulk data Mar 2024	FullAccounts · bulk data Mar 2025	FilletedAccounts · bulk data Oct 2025	FullAccounts · bulk data Jul 2026

Derived from the latest filing

How the business works

Profit margin: 15.2%; Profit ÷ revenue.
Gross margin: 50.1%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £160k; Revenue ÷ average employees.
Profit per employee: £24.3k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 8.1%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 15.9%; 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: ▲24%; Now £2.2m
Cash at bank: ▲91%; Now £459k
Headcount: ▲22%; Now 50
Deferred income: —; Now —
Fixed assets: ▲86%; Now £650k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £1.2m), from the Companies House accounts bulk data published Jul 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.