How much does H.e. Simm & Son Limited make?

H.e. Simm & Son Limited reported revenue of £118m and a loss of £9m in the year to 31 Dec 2023, according to its accounts filed at Companies House.

How many employees does H.e. Simm & Son Limited have?

H.e. Simm & Son Limited reported an average of 184 employees in the year to 31 Dec 2023.

Is H.e. Simm & Son Limited profitable?

No — H.e. Simm & Son Limited reported a loss of £9m in the year to 31 Dec 2023.

Company No. 00310690 · Incorporated 21 Feb 1936

H.e. Simm & Son Limited

Registered name: H.E. SIMM & SON LIMITED

Part of H E Simm Holdings Limited group

H.e. Simm & Son Limited made £118m revenue and a £9m loss in the year to 31 Dec 2023. read from filing text

H.e. Simm & Son Limited’s revenue was £118m in the year to 31 Dec 2023, with a loss of £9m and 184 employees. The company is classified under “electrical installation” and is based in London; we hold 2 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43210Electrical installation SIC 43220Plumbing, heat and air-conditioning installation

Status: In Administration
Location: London, London
Age: 90 yrs · since 1936
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. From the filing: “The ultimate parent undertaking is H E Simm Holdings Limited, which is incorporated in England and Wales.”

Latest accounts · year to 31 Dec 2023

Key figures

Capital-lightBoring industry

Revenue

£118m

Growth —

Profit

−£9m

Growth —

Profit margin

−7.6%

Gross −6.8%

Employees

184

Change —

Profit / employee

−£48.7k

Revenue/employee £643k

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.

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Jul 2022	31 Dec 2023
Disclosure	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£54.2m	£118m
Cost of sales	£47.8m	£126m
Gross profit	£6.4m	−£8m
Operating profit	£988k	−£10.4m
Profit before tax	£898k	−£10.3m
Profit after tax	£715k	−£9m
Profit (best available)	£715k	−£9m
Staff costs	£12.6m	£16.5m
Employees (average)	157	184
Ratios
Profit margin	1.3%	−7.6%
Gross margin	11.7%	−6.8%
Revenue per employee	£345k	£643k
Profit per employee	£4.6k	−£48.7k
Balance sheet — indirect signals, not revenue
Cash at bank	£5.8m	£2.8m
Net assets	£9.7m	£1.3m
Fixed assets	£393k	£347k
Current assets	£32.3m	£29.2m
Debtors	£121k	£62k
Deferred income	£7.1m	£7.6m
Source	FullAccounts · bulk data Sep 2024	FullAccounts · bulk data Sep 2024

Derived from the latest filing

How the business works

Profit margin: −7.6%; Profit ÷ revenue.
Gross margin: −6.8%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £643k; Revenue ÷ average employees.
Profit per employee: −£48.7k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0.3%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 6.4%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 0.1%; 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 £1.3m
Cash at bank: —; Now £2.8m
Headcount: —; Now 184
Deferred income: —; Now £7.6m
Fixed assets: —; Now £347k

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

H E Simm Holdings Limitedultimate parent75–100%
H E Simm Group Limited75–100%
H.e. Simm & Son Limitedthis company

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

Sister companies (1)

Sheq-Aspen Thorn LimitedLiquidationRev. — · Profit £35.2k

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 2023 (profit −£9m), from the Companies House accounts bulk data published Sep 2024. Spotted an error? Request a correction.

Updated from Companies House on 11 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.