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Company No. 07410496 · Incorporated 18 Oct 2010

S.e.i. [WM] Ltd

Registered name: S.E.I. [WM] LTD

S.e.i. [WM] Ltd made £780k revenue and £79.6k profit in the year to 31 Mar 2026.

S.e.i. [WM] Ltd’s revenue grew 8% to £780k in the year to 31 Mar 2026, with £79.6k profit and 4 employees. The company is classified under “other specialised construction activities” and is based in Darlaston; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43999Other specialised construction activities n.e.c.
Status
Active
Location
Darlaston, West Midlands
Age
16 yrs · since 2010
Type
Private Limited Company
Latest accounts · year to 31 Mar 2026

Key figures

IndependentSmall teamCapital-lightOperating leverageBoring industry
Revenue
£780k
Growth ▲7.6%
Profit
£79.6k
Growth ▲108.3%
Profit margin
10.2%
Gross 33.8%
Employees
4
Change ▲100%
Profit / employee
£19.9k
Revenue/employee £195k
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.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Mar 202331 Mar 202431 Mar 202531 Mar 2026
DisclosureFull P&LFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£433k£645k£725k£780k
Cost of sales£305k£439k£517k£517k
Gross profit£127k£206k£208k£263k
Operating profit—£25k£40.5k£105k
Profit before tax£7.7k£25k£40.1k£105k
Profit after tax£7.7k£23.9k£38.2k£79.6k
Profit (best available)£7.7k£23.9k£38.2k£79.6k
Employees (average)2424
Ratios
Profit margin1.8%3.7%5.3%10.2%
Gross margin29.4%31.9%28.7%33.8%
Revenue per employee£216k£161k£363k£195k
Profit per employee£3.9k£6k£19.1k£19.9k
Growth (year on year)
Revenue growth—▲49.1%▲12.4%▲7.6%
Profit growth—▲208.5%▲59.8%▲108.3%
Headcount growth—▲100%▼50%▲100%
Balance sheet — indirect signals, not revenue
Cash at bank£14.4k£15.5k£37.5k£36.9k
Net assets£10.7k£14.6k£12.8k£14.4k
Fixed assets£2k£2k£37k£33k
Current assets£92.4k£104k£97k£182k
Debtors£43k£66.8k£59.5k£145k
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Jun 2025FullAccounts · bulk data Jun 2026
Derived from the latest filing

How the business works

Profit margin
10.2%
Profit ÷ revenue.
Gross margin
33.8%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£195k
Revenue ÷ average employees.
Profit per employee
£19.9k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
4.2%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
18.6%
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
▲12%
Now £14.4k
Cash at bank
▼2%
Now £36.9k
Headcount
▲100%
Now 4
Deferred income
—
Now —
Fixed assets
▼11%
Now £33k
Same industry, similar size

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Industry benchmarks →

Sources

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £79.6k), from the Companies House accounts bulk data published Jun 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.