Blue Diamond Pumps Ltd
Registered name: BLUE DIAMOND PUMPS LTD
Blue Diamond Pumps Ltd made £2.6m profit in the year to 30 Apr 2025 (revenue not disclosed).
Blue Diamond Pumps Ltd reported £2.6m profit in the year to 30 Apr 2025, up 3985% on the year before; its revenue was not disclosed. It had 93 employees. The company is classified under “manufacture of pumps” and is based in Byfleet; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Byfleet, London
- Age
- 12 yrs · since 2014
- Type
- Private Limited Company
Key figures
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Apr 2023 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|---|
| Disclosure | Profit only | Profit only | Profit only |
| Profit & loss | |||
| Revenue (turnover) | — | — | — |
| Profit after tax | £2.8m | £62.7k | £2.6m |
| Profit (best available) | £2.8m | £62.7k | £2.6m |
| Employees (average) | 97 | 95 | 93 |
| Ratios | |||
| Profit margin | — | — | — |
| Profit per employee | £29.2k | £660 | £27.6k |
| Growth (year on year) | |||
| Profit growth | — | ▼97.8% | ▲3985% |
| Headcount growth | — | ▼2.1% | ▼2.1% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £3.4k | £10k | £5.2k |
| Net assets | £6.1m | £6.2m | £6.2m |
| Fixed assets | £10.9m | £10.9m | £10.9m |
| Source | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data Apr 2026 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- £27.6k
- 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
- ▲1%
- Now £6.2m
- Cash at bank
- ▼48%
- Now £5.2k
- Headcount
- ▼2%
- Now 93
- Deferred income
- —
- Now —
- Fixed assets
- 0%
- Now £10.9m
Similar profitable businesses
- SPP Pumps LimitedColeford · Manufacture of pumps
- Revenue
- £108m
- Profit
- £8.5m
- Staff
- —
- Charles Austen Pumps LimitedWeybridge · Manufacture of pumps
- Revenue
- £19.1m
- Profit
- £5.8m
- Staff
- 70
- Dutypoint LimitedGloucester · Manufacture of pumps
- Revenue
- £39.9m
- Profit
- £5.7m
- Staff
- 139
- Verder LimitedCastleford · Manufacture of pumps
- Revenue
- £16.6m
- Profit
- £2.4m
- Staff
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- Nov Process & Flow Technologies UK LimitedStonehouse · Manufacture of pumps
- Revenue
- £62.5m
- Profit
- £2.2m
- Staff
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- T-T Pumps LimitedCrewe · Manufacture of pumps
- Revenue
- £23.6m
- Profit
- £1.2m
- Staff
- 146
Sources
Latest figures from FullAccounts for the year to 30 Apr 2025 (profit £2.6m), from the Companies House accounts bulk data published Apr 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.