Advanced Water Infrastructure Networks Limited
Registered name: ADVANCED WATER INFRASTRUCTURE NETWORKS LIMITED
Part of FWCP Spark (UK) Midco Limited groupAdvanced Water Infrastructure Networks Limited made £149k revenue and a £813k loss in the year to 31 Mar 2026.
Advanced Water Infrastructure Networks Limited’s revenue grew 14800% to £149k in the year to 31 Mar 2026, with a loss of £813k and 16 employees. The company is classified under “water collection, treatment and supply” and is based in Braintree; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Braintree, East of England
- Age
- 3 yrs · since 2023
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £1k | £149k |
| Cost of sales | £1k | £110k |
| Gross profit | — | £39k |
| Profit before tax | −£611k | −£813k |
| Profit after tax | −£611k | −£813k |
| Profit (best available) | −£611k | −£813k |
| Staff costs | £920k | £1.3m |
| Employees (average) | 9 | 16 |
| Ratios | ||
| Profit margin | −61100% | −545.6% |
| Gross margin | — | 26.2% |
| Revenue per employee | £111 | £9.3k |
| Profit per employee | −£67.9k | −£50.8k |
| Growth (year on year) | ||
| Revenue growth | — | ▲14800% |
| Headcount growth | — | ▲77.8% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £789k | £886k |
| Net assets | £4.2m | £5m |
| Fixed assets | £1.3m | £6.7m |
| Current assets | £4.1m | £3.3m |
| Debtors | £3.4m | £341k |
| Deferred income | £177k | £2.4m |
| Source | FullAccounts · bulk data Sep 2026 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- −545.6%
- Profit ÷ revenue.
- Gross margin
- 26.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £9.3k
- Revenue ÷ average employees.
- Profit per employee
- −£50.8k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 4488%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 1611%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 228.9%
- 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
- ▲19%
- Now £5m
- Cash at bank
- ▲12%
- Now £886k
- Headcount
- ▲78%
- Now 16
- Deferred income
- ▲1257%
- Now £2.4m
- Fixed assets
- ▲422%
- Now £6.7m
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
- FWCP Spark (UK) Midco Limitedultimate parent75–100%
- Advanced Utility Asset Networks Limited75–100%
- Advanced Water Infrastructure Networks Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Leaf Water LimitedFigures not disclosed
Sister companies (2)
- Advanced Electricity Networks LimitedRev. £479k · Profit −£777k
- Advanced Utility Fibre Networks LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Ntifo Enterprises LtdCroydon · Water collection, treatment and supply
- Revenue
- £112k
- Profit
- £3k
- Staff
- 3
- Macwater LtdInverurie · Water collection, treatment and supply
- Revenue
- £244k
- Profit
- £244k
- Staff
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- Enviro Control UK LimitedKingston-Upon-Thames · Water collection, treatment and supply
- Revenue
- £273k
- Profit
- £17.9k
- Staff
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- Swift Water Technologies LtdFarnborough · Water collection, treatment and supply
- Revenue
- £351k
- Profit
- £119k
- Staff
- 1
Sources
Latest figures from FullAccounts for the year to 31 Mar 2026 (profit −£813k), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.
Updated from Companies House on 13 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.