Diagrama Healthcare Services Limited
Registered name: DIAGRAMA HEALTHCARE SERVICES LIMITED
Part of Diagrama Foundation-Psychosocial Intervention groupDiagrama Healthcare Services Limited made £7.6m revenue and £1.3m profit in the year to 31 Mar 2025.
Diagrama Healthcare Services Limited’s revenue grew 12% to £7.6m in the year to 31 Mar 2025, with £1.3m profit and 176 employees. The company is classified under “residential nursing care facilities” and is based in Croydon; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Croydon, London
- Age
- 12 yrs · since 2014
- 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: “Diagrama Foundation - Psychosocial Intervention”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £5.7m | £6.7m | £7.6m |
| Cost of sales | £4m | £4.7m | £5.1m |
| Gross profit | £1.7m | £2.1m | £2.4m |
| Operating profit | £1.1m | £1.5m | £1.6m |
| Profit before tax | £1m | £1.2m | £1.3m |
| Profit after tax | £1m | £1.2m | £1.3m |
| Profit (best available) | £1m | £1.2m | £1.3m |
| Staff costs | £3.7m | £4.4m | £4.9m |
| Employees (average) | 156 | 167 | 176 |
| Ratios | |||
| Profit margin | 17.9% | 17.4% | 17.3% |
| Gross margin | 29.6% | 30.8% | 32% |
| Revenue per employee | £36.3k | £40.3k | £43k |
| Profit per employee | £6.5k | £7k | £7.4k |
| Growth (year on year) | |||
| Revenue growth | — | ▲18.9% | ▲12.4% |
| Profit growth | — | ▲15.7% | ▲11.5% |
| Headcount growth | — | ▲7% | ▲5.4% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £1.8m | £1.7m | £1.3m |
| Net assets | £1.4m | £1.6m | £1.7m |
| Fixed assets | £37.9k | £51.6k | £52.1k |
| Current assets | £5.3m | £5.6m | £5.4m |
| Debtors | £196k | £181k | £351k |
| Source | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 17.3%
- Profit ÷ revenue.
- Gross margin
- 32%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £43k
- Revenue ÷ average employees.
- Profit per employee
- £7.4k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.7%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 4.6%
- 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
- ▲7%
- Now £1.7m
- Cash at bank
- ▼23%
- Now £1.3m
- Headcount
- ▲5%
- Now 176
- Deferred income
- —
- Now —
- Fixed assets
- ▲1%
- Now £52.1k
Group structure
Ownership chain
- Diagrama Foundation-Psychosocial Interventionultimate parent75–100%
- Diagrama Healthcare Services Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (5)
- Basta UK LimitedFigures not disclosed
- Diagrama Children's Services LimitedRev. — · Profit £197k
- Diagrama Medway LimitedFigures not disclosed
- Subject: Education LimitedFigures not disclosed
- United Safe Care 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 Mar 2025 (profit £1.3m), from the Companies House accounts bulk data published Dec 2025. Spotted an error? Request a correction.
Updated from Companies House on 15 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.