Quadrant Systems Limited
Registered name: QUADRANT SYSTEMS LIMITED
Part of Air One International Holdings Ltd groupQuadrant Systems Limited made £2.8m revenue and a £823k loss in the year to 31 Dec 2025. read from filing text
Quadrant Systems Limited’s revenue fell 32% to £2.8m in the year to 31 Dec 2025, with a loss of £823k and 14 employees. The company is classified under “service activities incidental to air transportation” and is based in West Sussex; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- West Sussex, South East
- Age
- 32 yrs · since 1994
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Sep 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | — | £4.1m | £4.1m | £2.8m |
| Cost of sales | — | £950k | £891k | £869k |
| Gross profit | — | £3.2m | £3.2m | £1.9m |
| Operating profit | — | £296k | £810k | −£674k |
| Profit before tax | — | £62.5k | £631k | −£823k |
| Profit after tax | — | £62.5k | £631k | −£823k |
| Profit (best available) | — | £62.5k | £631k | −£823k |
| Staff costs | — | £818k | £733k | £725k |
| Employees (average) | 11 | 12 | 15 | 14 |
| Ratios | ||||
| Profit margin | — | 1.5% | 15.3% | −29.3% |
| Gross margin | — | 76.9% | 78.4% | 69.1% |
| Revenue per employee | — | £342k | £274k | £201k |
| Profit per employee | — | £5.2k | £42.1k | −£58.8k |
| Growth (year on year) | ||||
| Revenue growth | — | — | — | ▼31.7% |
| Profit growth | — | — | — | ▼230.5% |
| Headcount growth | — | — | — | ▼6.7% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £291k | £1.1m | £1.1m | £204k |
| Net assets | £4.3m | £3.7m | £4m | £3.2m |
| Fixed assets | £10.3m | £8.7m | — | — |
| Current assets | £902k | £1.7m | — | — |
| Debtors | £466k | £354k | — | — |
| Deferred income | £137k | £622k | — | — |
| Source | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Sep 2025 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- −29.3%
- Profit ÷ revenue.
- Gross margin
- 69.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £201k
- Revenue ÷ average employees.
- Profit per employee
- −£58.8k
- 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.
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
- ▼21%
- Now £3.2m
- Cash at bank
- ▼82%
- Now £204k
- Headcount
- ▼7%
- Now 14
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Air One International Holdings Ltdultimate parent75–100%
- Air One Aviation Limited75–100%
- Quadrant Systems 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).
Similar profitable businesses
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit −£823k), 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.