Advanced Instruments Ltd.
Registered name: ADVANCED INSTRUMENTS LTD.
Part of Advanced Instruments Holdings Ltd. groupAdvanced Instruments Ltd. made £17.8m revenue and a £3.8m loss in the year to 31 Dec 2024.
Advanced Instruments Ltd.’s revenue grew 16% to £17.8m in the year to 31 Dec 2024, with a loss of £3.8m and 74 employees. The company is classified under “manufacture of optical precision instruments” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 16 yrs · since 2010
- 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 | 31 Dec 2021 | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £6.4m | £16.1m | £15.4m | £17.8m |
| Cost of sales | £2.1m | £7.7m | £10.3m | £12.8m |
| Gross profit | £4.3m | £8.5m | £5.1m | £5m |
| Operating profit | £2m | £2.8m | −£2.9m | −£3.9m |
| Profit before tax | £2m | £2.8m | −£6m | −£3.8m |
| Profit after tax | £1.5m | £4.4m | −£7m | −£3.8m |
| Profit (best available) | £1.5m | £4.4m | −£7m | −£3.8m |
| Staff costs | £2m | £4.4m | £4.7m | £4.8m |
| Employees (average) | 54 | 69 | 77 | 74 |
| Ratios | ||||
| Profit margin | 22.8% | 27.4% | −45.4% | −21.4% |
| Gross margin | 67.3% | 52.5% | 33% | 27.9% |
| Revenue per employee | £118k | £234k | £200k | £240k |
| Profit per employee | £26.9k | £64.2k | −£90.7k | −£51.4k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲153% | ▼4.8% | ▲15.6% |
| Profit growth | — | ▲204.8% | ▼257.7% | — |
| Headcount growth | — | ▲27.8% | ▲11.6% | ▼3.9% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.4m | £815k | £1.8m | £2.4m |
| Net assets | £7.4m | £11.9m | £4.6m | £813k |
| Fixed assets | £12.5m | £17.9m | £14.3m | £12.9m |
| Current assets | £7.1m | £10.5m | £11.2m | £13.5m |
| Debtors | £634k | £1.6m | £1m | £1.3m |
| Deferred income | £900k | £1.3m | £1.3m | £1.3m |
| Source | Accounts · bulk data Dec 2023 | Accounts · bulk data Dec 2023 | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data Mar 2026 |
How the business works
- Profit margin
- −21.4%
- Profit ÷ revenue.
- Gross margin
- 27.9%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £240k
- Revenue ÷ average employees.
- Profit per employee
- −£51.4k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 72.6%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 7.3%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 7.2%
- 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
- ▼82%
- Now £813k
- Cash at bank
- ▲33%
- Now £2.4m
- Headcount
- ▼4%
- Now 74
- Deferred income
- ▼3%
- Now £1.3m
- Fixed assets
- ▼10%
- Now £12.9m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Advanced Instruments Holdings Ltd.ultimate parent75–100%
- Advanced Instruments Ltd.this company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Sal Scientific LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2024 (profit −£3.8m), 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.