Kudox Limited
Registered name: KUDOX LIMITED
Part of Olden Investments Limited groupKudox Limited made £10m revenue and £588k profit in the year to 30 Apr 2025. read from filing text
Kudox Limited’s revenue fell 18% to £10m in the year to 30 Apr 2025, with £588k profit and 11 employees. The company is classified under “manufacture of central heating radiators and boilers” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 23 yrs · since 2003
- 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 parent undertaking is Olden Investments Limited, a company registered in the British Virgin Islands and controlled by relatives of the directors of Kudox limited.”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Apr 2022 | 30 Apr 2023 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £39.4m | £9.6m | £12.2m | £10m |
| Cost of sales | £37m | £8m | £10.1m | £8.5m |
| Gross profit | £2.3m | £1.6m | £2.1m | £1.5m |
| Operating profit | £1m | £417k | £1.3m | £493k |
| Profit before tax | £1m | £511k | £1.5m | £784k |
| Profit after tax | £850k | £406k | £1.1m | £588k |
| Profit (best available) | £850k | £406k | £1.1m | £588k |
| Staff costs | £583k | £590k | £598k | £640k |
| Employees (average) | 12 | 12 | 11 | 11 |
| Ratios | ||||
| Profit margin | 2.2% | 4.2% | 9.3% | 5.9% |
| Gross margin | 6% | 16.5% | 17.5% | 15.1% |
| Revenue per employee | £3.3m | £803k | £1.1m | £909k |
| Profit per employee | £70.8k | £33.9k | £104k | £53.5k |
| Cash conversion | −148.1% | 284.7% | −85.2% | −137.6% |
| Growth (year on year) | ||||
| Revenue growth | — | ▼75.5% | ▲26.9% | ▼18.3% |
| Profit growth | — | ▼52.1% | ▲180.8% | ▼48.5% |
| Headcount growth | — | 0% | ▼8.3% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £8.2m | £6.9m | £8.1m | £8.7m |
| Net assets | £9.9m | £10.3m | £11.4m | £12m |
| Fixed assets | £27.8k | £63.7k | £57.8k | £0 |
| Current assets | £18m | £11.1m | £12.4m | £12.3m |
| Debtors | £9m | £3.1m | £3.4m | £3.1m |
| Deferred income | £36.3k | £24.9k | £400k | £25.4k |
| Cash from operations | −£1.6m | £1.2m | −£1.1m | −£678k |
| Source | FullAccounts · bulk data Jan 2024 | FullAccounts · bulk data Jan 2024 | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data Jan 2026 |
How the business works
- Profit margin
- 5.9%
- Profit ÷ revenue.
- Gross margin
- 15.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £909k
- Revenue ÷ average employees.
- Profit per employee
- £53.5k
- Profit ÷ average employees.
- Cash conversion
- −137.6%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0.3%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 31.4%
- 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
- ▲5%
- Now £12m
- Cash at bank
- ▲7%
- Now £8.7m
- Headcount
- 0%
- Now 11
- Deferred income
- ▼94%
- Now £25.4k
- Fixed assets
- ▼100%
- Now £0
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
- Olden Investments Limited (registered outside the UK register)ultimate parent75–100%
- Kudox Limitedthis 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).
Similar profitable businesses
- Smith's Environmental Products LimitedSouth Woodham Ferrers · Manufacture of central heating radiators and boilers
- Revenue
- £8.7m
- Profit
- £1.1m
- Staff
- 44
- Atc Systems LimitedNewtownabbey · Manufacture of central heating radiators and boilers
- Revenue
- £8.1m
- Profit
- £1.5m
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- Warmflow Engineering Co.limitedLisburn · Manufacture of central heating radiators and boilers
- Revenue
- £20.3m
- Profit
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- Alpha Therm LimitedSevenoaks · Manufacture of central heating radiators and boilers
- Revenue
- £25.3m
- Profit
- £842k
- Staff
- 79
Sources
Latest figures from FullAccounts for the year to 30 Apr 2025 (profit £588k), from the Companies House accounts bulk data published Jan 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.