How much does Nasmyth Iec Limited make?

Nasmyth Iec Limited reported revenue of £8.1m and a loss of £582k in the year to 30 Apr 2025, according to its accounts filed at Companies House.

How many employees does Nasmyth Iec Limited have?

Nasmyth Iec Limited reported an average of 52 employees in the year to 30 Apr 2025.

Is Nasmyth Iec Limited profitable?

No — Nasmyth Iec Limited reported a loss of £582k in the year to 30 Apr 2025.

Company No. 05476239 · Incorporated 9 Jun 2005

Nasmyth Iec Limited

Registered name: NASMYTH IEC LIMITED

Part of Sigma Advanced Systems Ltd group

Nasmyth Iec Limited made £8.1m revenue and a £582k loss in the year to 30 Apr 2025.

Nasmyth Iec Limited’s revenue fell 3% to £8.1m in the year to 30 Apr 2025, with a loss of £582k and 52 employees. The company is classified under “machining” and is based in Coventry; we hold 4 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 25620Machining SIC 26511Manufacture of electronic measuring, testing etc. equipment, not for industrial process control SIC 30300Manufacture of air and spacecraft and related machinery SIC 32500Manufacture of medical and dental instruments and supplies

Status: Active
Location: Coventry, West Midlands
Age: 21 yrs · since 2005
Type: Private Limited Company

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 30 Apr 2025

Key figures

Revenue

£8.1m

Growth ▼2.6%

Profit

−£582k

Growth —

Profit margin

−7.1%

Gross 15.8%

Employees

Change ▲4%

Profit / employee

−£11.2k

Revenue/employee £157k

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 to	30 Apr 2022	30 Apr 2023	30 Apr 2024	30 Apr 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£7.1m	£6.6m	£8.4m	£8.1m
Cost of sales	£6.7m	£5.6m	£7.2m	£6.9m
Gross profit	£383k	£994k	£1.2m	£1.3m
Operating profit	−£2.1m	£73k	£133k	−£87k
Profit before tax	−£2.1m	−£44k	−£106k	−£625k
Profit after tax	−£1.9m	−£66k	−£61k	−£582k
Profit (best available)	−£1.9m	−£66k	−£61k	−£582k
Employees (average)	56	49	50	52
Ratios
Profit margin	−27.1%	−1%	−0.7%	−7.1%
Gross margin	5.4%	15.2%	14%	15.8%
Revenue per employee	£126k	£134k	£167k	£157k
Profit per employee	−£34.2k	−£1.3k	−£1.2k	−£11.2k
Growth (year on year)
Revenue growth	—	—	▲27.6%	▼2.6%
Headcount growth	—	—	▲2%	▲4%
Balance sheet — indirect signals, not revenue
Cash at bank	£273k	£51k	£0	£109k
Net assets	−£962k	−£1m	−£1.1m	−£1.7m
Fixed assets	£635k	£535k	£867k	£835k
Current assets	£2.7m	£2.9m	£5m	£2.9m
Debtors	£993k	£1.4m	£3.5m	£1.5m
Deferred income	£415k	£256k	£698k	£309k
Source	FullAccounts · bulk data Apr 2024	FullAccounts · bulk data Apr 2024	FullAccounts · bulk data Apr 2025	FullAccounts · bulk data Mar 2026

Derived from the latest filing

How the business works

Profit margin: −7.1%; Profit ÷ revenue.
Gross margin: 15.8%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £157k; Revenue ÷ average employees.
Profit per employee: −£11.2k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 10.3%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 3.8%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 18.5%; 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 −£1.7m
Cash at bank: —; Now £109k
Headcount: ▲4%; Now 52
Deferred income: ▼56%; Now £309k
Fixed assets: ▼4%; Now £835k

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

Sigma Advanced Systems Ltd (registered outside the UK register)ultimate parent75–100%
Sigma Advanced Systems UK Ltd75–100%
Nasmyth Group Limited75–100%
Nasmyth Iec Limitedthis company

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

Sister companies (7)

Nasmyth Bulwell LimitedRev. £28.9m · Profit −£1m
Nasmyth Coventry LimitedRev. £10.8m · Profit −£1.1m
Nasmyth Henton LimitedRev. £6.7m · Profit −£388k
Nasmyth Technologies LimitedRev. £4.5m · Profit £475k
Geb Surface Treatments LimitedRev. £2.3m · Profit £436k
Nasmyth Enterprises LimitedRev. £848k · Profit −£1.2m
Nasmyth Doughty LimitedLiquidationFigures not disclosed

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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 30 Apr 2025 (profit −£582k), from the Companies House accounts bulk data published Mar 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.