How much does Sim-Air Ltd make?

Sim-Air Ltd reported revenue of £675k and £9.1k profit in the year to 30 Nov 2025, according to its accounts filed at Companies House.

How many employees does Sim-Air Ltd have?

Sim-Air Ltd reported an average of 1 employee in the year to 30 Nov 2025.

Is Sim-Air Ltd profitable?

Yes — Sim-Air Ltd reported a profit of £9.1k in the year to 30 Nov 2025.

Company No. 14478346 · Incorporated 11 Nov 2022

Sim-Air Ltd

Registered name: SIM-AIR LTD

Sim-Air Ltd made £675k revenue and £9.1k profit in the year to 30 Nov 2025.

Sim-Air Ltd’s revenue grew 11% to £675k in the year to 30 Nov 2025, with £9.1k profit and 1 employee. The company is classified under “plumbing, heat and air-conditioning installation” and is based in Virginia Water; we hold 3 years of its filed accounts.

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

Status: Active
Location: Virginia Water, South East
Age: 3 yrs · since 2022
Type: Private Limited Company

Latest accounts · year to 30 Nov 2025

Key figures

IndependentSmall teamYoung and profitableOperating leverageBoring industry

Revenue

£675k

Growth ▲11.3%

Profit

£9.1k

Growth ▲76.1%

Profit margin

1.4%

Gross 8.5%

Employees

Change 0%

Profit / employee

£9.1k

Revenue/employee £675k

Profitable streak

3yrs

Consecutive profitable years in our data

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

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	30 Nov 2023	30 Nov 2024	30 Nov 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£132k	£606k	£675k
Cost of sales	£111k	£560k	£617k
Gross profit	£21k	£45.7k	£57.3k
Operating profit	£12.7k	£5.2k	£9.1k
Profit before tax	£12.7k	£5.2k	£9.1k
Profit after tax	£12.7k	£5.2k	£9.1k
Profit (best available)	£12.7k	£5.2k	£9.1k
Employees (average)	0	1	1
Ratios
Profit margin	9.6%	0.9%	1.4%
Gross margin	15.9%	7.5%	8.5%
Revenue per employee	—	£606k	£675k
Profit per employee	—	£5.2k	£9.1k
Growth (year on year)
Revenue growth	—	▲358.5%	▲11.3%
Profit growth	—	▼59.3%	▲76.1%
Headcount growth	—	—	0%
Balance sheet — indirect signals, not revenue
Net assets	£11.1k	£90.5k	£90.5k
Fixed assets	£5k	£90.5k	£90.5k
Source	Full Accounts · bulk data Jun 2024	FullAccounts · bulk data Oct 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 1.4%; Profit ÷ revenue.
Gross margin: 8.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £675k; Revenue ÷ average employees.
Profit per employee: £9.1k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 13.4%; 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: 0%; Now £90.5k
Cash at bank: —; Now —
Headcount: 0%; Now 1
Deferred income: —; Now —
Fixed assets: 0%; Now £90.5k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 30 Nov 2025 (profit £9.1k), 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.