How much does Sierra Wireless (UK) Limited make?

Sierra Wireless (UK) Limited reported revenue of £0 and £54.9k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Sierra Wireless (UK) Limited have?

Sierra Wireless (UK) Limited reported an average of 1 employee in the year to 31 Dec 2025.

Is Sierra Wireless (UK) Limited profitable?

Yes — Sierra Wireless (UK) Limited reported a profit of £54.9k in the year to 31 Dec 2025.

Company No. 04172042 · Incorporated 5 Mar 2001

Sierra Wireless (UK) Limited

Registered name: SIERRA WIRELESS (UK) LIMITED

Part of Semtech Corporation group

Sierra Wireless (UK) Limited made £0 revenue and £54.9k profit in the year to 31 Dec 2025.

Sierra Wireless (UK) Limited’s revenue fell 100% to £0 in the year to 31 Dec 2025, with £54.9k profit and 1 employee. The company is classified under “wireless telecommunications activities” and is based in Henley-on-Thames; we hold 5 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 61200Wireless telecommunications activities

Status: Active
Location: Henley-on-Thames, South East
Age: 25 yrs · since 2001
Type: Private Limited Company

Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.

Latest accounts · year to 31 Dec 2025

Key figures

Small team

Revenue

£0

Growth ▼100%

Profit

£54.9k

Growth ▼83.9%

Profit margin

—

Employees

Change 0%

Profit / employee

£54.9k

Revenue/employee £0

Profitable streak

2yrs

Consecutive profitable years in our data

Unusual figures. Profit is higher than revenue in this filing. That usually means investment income, dividends from subsidiaries or one-off gains — or a mis-tagged figure. Check the original filing before drawing conclusions.

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 Dec 2021	31 Dec 2022	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	No P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£6m	£5.2m	—	£377k	£0
Cost of sales	£589k	£1.4m	—	£291	£0
Gross profit	£5.4m	£3.8m	—	£376k	£0
Operating profit	£334k	£199k	—	£321k	£36.3k
Profit before tax	£403k	£199k	—	£325k	£36.3k
Profit after tax	£344k	£159k	—	£341k	£54.9k
Profit (best available)	£344k	£159k	—	£341k	£54.9k
Employees (average)	18	14	11	1	1
Ratios
Profit margin	5.7%	3.1%	—	90.5%	—
Gross margin	90.2%	72.3%	—	99.9%	—
Revenue per employee	£335k	£371k	—	£377k	£0
Profit per employee	£19.1k	£11.4k	—	£341k	£54.9k
Growth (year on year)
Revenue growth	—	▼13.7%	—	—	▼100%
Profit growth	—	▼53.6%	—	—	▼83.9%
Headcount growth	—	▼22.2%	▼21.4%	▼90.9%	0%
Balance sheet — indirect signals, not revenue
Cash at bank	£178k	£698k	£1.7m	£1.3m	£0
Net assets	£3.3m	£3.5m	£7.1m	£7.5m	£7.5m
Current assets	£8.1m	£8m	£7.5m	£7.7m	£7.7m
Debtors	£7.9m	£7.3m	£5.8m	£6.4m	£7.7m
Source	Accounts · bulk data Oct 2023	Accounts · bulk data Oct 2023	FullAccounts · bulk data Sep 2024	FullAccounts · bulk data Dec 2025	FullAccounts · bulk data Sep 2026

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: £54.9k; 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: ▲1%; Now £7.5m
Cash at bank: ▼100%; Now £0
Headcount: 0%; Now 1
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Semtech Corporation (registered outside the UK register)ultimate parent50–75%
Semtech Limited75–100%
Sierra Wireless (UK) Limitedthis company

Bands show the share of ownership each company holds in the one below it.

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

Same industry, similar size

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £54.9k), from the Companies House accounts bulk data published Sep 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.