N-Viro Limited
Registered name: N-VIRO LIMITED
Part of CHS Group Holdings Ltd groupN-Viro Limited made £22.9m revenue and £873k profit in the year to 30 Apr 2025. read from filing text
N-Viro Limited’s revenue fell 3% to £22.9m in the year to 30 Apr 2025, with £873k profit and 1,057 employees. The company is classified under “general cleaning of buildings” and is based in Portsmouth; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Portsmouth, South East
- Age
- 31 yrs · since 1995
- 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: “On 14 December 2023 CHS Group Holdings Limited acquired the entire share capital in the company. Prior to this date the company was a wholly owned subsidiary of The Quarr Group 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) | £23m | £22.1m | £23.5m | £22.9m |
| Cost of sales | £16.9m | £16.2m | £17.1m | £16.4m |
| Gross profit | £6.1m | £5.9m | £6.4m | £6.5m |
| Operating profit | £970k | £751k | £624k | £1m |
| Profit before tax | £971k | £751k | £631k | £1m |
| Profit after tax | £786k | £607k | £486k | £873k |
| Profit (best available) | £786k | £607k | £486k | £873k |
| Staff costs | £19.5m | £18.4m | £19.7m | £18.9m |
| Employees (average) | 1,315 | 1,221 | 1,190 | 1,057 |
| Ratios | ||||
| Profit margin | 3.4% | 2.8% | 2.1% | 3.8% |
| Gross margin | 26.6% | 26.8% | 27.3% | 28.4% |
| Revenue per employee | £17.5k | £18.1k | £19.7k | £21.6k |
| Profit per employee | £598 | £497 | £409 | £826 |
| Growth (year on year) | ||||
| Revenue growth | — | ▼3.9% | ▲6.2% | ▼2.6% |
| Profit growth | — | ▼22.7% | ▼19.9% | ▲79.6% |
| Headcount growth | — | ▼7.1% | ▼2.5% | ▼11.2% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.2m | £1.3m | £782k | £157k |
| Net assets | £4.1m | £4.7m | £1.8m | £2.7m |
| Fixed assets | £326k | £264k | £522k | £716k |
| Current assets | £6.3m | £6.8m | £4.4m | £4.9m |
| Debtors | £2.1m | £2.3m | £2.5m | £2.7m |
| Deferred income | £1m | £938k | £1.5m | £1.1m |
| Source | FullAccounts · bulk data Nov 2023 | FullAccounts · bulk data Nov 2023 | FullAccounts · bulk data Oct 2024 | FullAccounts · bulk data Jan 2026 |
How the business works
- Profit margin
- 3.8%
- Profit ÷ revenue.
- Gross margin
- 28.4%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £21.6k
- Revenue ÷ average employees.
- Profit per employee
- £826
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 3.1%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 12%
- 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
- ▲48%
- Now £2.7m
- Cash at bank
- ▼80%
- Now £157k
- Headcount
- ▼11%
- Now 1,057
- Deferred income
- ▼21%
- Now £1.1m
- Fixed assets
- ▲37%
- Now £716k
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
- CHS Group Holdings Ltdultimate parent75–100%
- N-Viro Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Nviro Consulting LtdFigures 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 30 Apr 2025 (profit £873k), 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.