Physiological Measurements Ltd
Registered name: PHYSIOLOGICAL MEASUREMENTS LTD
Part of Fox Investments [Holdings] Ltd groupPhysiological Measurements Ltd made £9.3m revenue and £971k profit in the year to 31 Dec 2025. read from filing text
Physiological Measurements Ltd’s revenue fell 13% to £9.3m in the year to 31 Dec 2025, with £971k profit and 129 employees. The company is classified under “other business support service activities” and is based in Plymouth; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Plymouth, South West
- Age
- 21 yrs · since 2005
- 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: “The company is a wholly owned subsidiary of”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Nov 2022 | 30 Nov 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £10.7m | £9.3m |
| Cost of sales | — | — | £5.8m | £5m |
| Gross profit | — | — | £4.9m | £4.3m |
| Operating profit | — | — | £502k | £1m |
| Profit before tax | — | — | £450k | £1m |
| Profit after tax | — | — | £375k | £971k |
| Profit (best available) | — | — | £375k | £971k |
| Employees (average) | 146 | 131 | 146 | 129 |
| Ratios | ||||
| Profit margin | — | — | 3.5% | 10.4% |
| Gross margin | — | — | 45.8% | 45.8% |
| Revenue per employee | — | — | £73.2k | £72.1k |
| Profit per employee | — | — | £2.6k | £7.5k |
| Growth (year on year) | ||||
| Revenue growth | — | — | — | ▼13% |
| Profit growth | — | — | — | ▲159.2% |
| Headcount growth | — | ▼10.3% | ▲11.5% | ▼11.6% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £771k | £590k | £981k | £662k |
| Net assets | £1.1m | £1.5m | £1.9m | £2.9m |
| Fixed assets | £983k | £907k | £243k | £312k |
| Current assets | £2.9m | £2.3m | £2.8m | £3.4m |
| Debtors | £1.3m | £1.1m | £1.2m | £1.2m |
| Source | FullAccounts · bulk data May 2024 | FullAccounts · bulk data May 2024 | FullAccounts · bulk data Jul 2026 | FullAccounts · bulk data Jul 2026 |
How the business works
- Profit margin
- 10.4%
- Profit ÷ revenue.
- Gross margin
- 45.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £72.1k
- Revenue ÷ average employees.
- Profit per employee
- £7.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 3.4%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 13%
- 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
- ▲52%
- Now £2.9m
- Cash at bank
- ▼33%
- Now £662k
- Headcount
- ▼12%
- Now 129
- Deferred income
- —
- Now —
- Fixed assets
- ▲28%
- Now £312k
Group structure
Ownership chain
- Fox Investments [Holdings] Ltdultimate parent75–100%
- Longacre Group Limited50–75%
- Inuvi Medical Services Limited75–100%
- Inuvi Group Limited75–100%
- Plymouth Health Limited75–100%
- Express Diagnostics Limited75–100%
- Citrine Diagnostics Limited75–100%
- Physiological Measurements Ltdthis 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).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £971k), from the Companies House accounts bulk data published Jul 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.