R.S.T. Instruments UK Limited
Registered name: R.S.T. INSTRUMENTS UK LIMITED
R.S.T. Instruments UK Limited made £3.6m revenue and £63.9k profit in the year to 30 Sep 2024. read from filing text
R.S.T. Instruments UK Limited’s revenue was £3.6m in the year to 30 Sep 2024, with £63.9k profit and 10 employees. The company is classified under “renting and leasing of cars and light motor vehicles” and is based in Addlestone; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Addlestone, London
- Age
- 10 yrs · since 2015
- 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: “T”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2021 | 31 Dec 2022 | 31 Dec 2023 | 30 Sep 2024 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £2m | £3.6m |
| Cost of sales | — | — | £621k | £430k |
| Gross profit | — | — | £1.4m | £3.2m |
| Operating profit | — | — | −£210k | £66.5k |
| Profit before tax | — | — | −£212k | £63.9k |
| Profit (best available) | — | — | −£212k | £63.9k |
| Staff costs | — | — | £1.3m | £2.9m |
| Employees (average) | 5 | 7 | 10 | 10 |
| Ratios | ||||
| Profit margin | — | — | −10.4% | 1.8% |
| Gross margin | — | — | 69.5% | 88% |
| Revenue per employee | — | — | £203k | £360k |
| Profit per employee | — | — | −£21.2k | £6.4k |
| Growth (year on year) | ||||
| Headcount growth | — | ▲40% | ▲42.9% | — |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £7.3k | £7.2k | £0 | — |
| Net assets | £244k | £344k | £385k | £79.5k |
| Fixed assets | £8.7k | £29.1k | £39.9k | — |
| Current assets | £259k | £644k | £2.3m | — |
| Debtors | £29.5k | £43k | £104k | £2.2m |
| Source | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Feb 2025 | FullAccounts · bulk data Mar 2026 |
How the business works
- Profit margin
- 1.8%
- Profit ÷ revenue.
- Gross margin
- 88%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £360k
- Revenue ÷ average employees.
- Profit per employee
- £6.4k
- 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
- 60.3%
- 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
- —
- Now £79.5k
- Cash at bank
- —
- Now —
- Headcount
- —
- Now 10
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
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Sources
Latest figures from FullAccounts for the year to 30 Sep 2024 (profit £63.9k), 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.