Sponge Group Holdings Limited
Registered name: SPONGE GROUP HOLDINGS LIMITED
Part of Aliter Capital LLP groupSponge Group Holdings Limited made £12.6m revenue and a £5.5m loss in the year to 30 Apr 2025.
Sponge Group Holdings Limited’s revenue fell 18% to £12.6m in the year to 30 Apr 2025, with a loss of £5.5m and 154 employees. The company is classified under “other information technology service activities” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 7 yrs · since 2019
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
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 | 30 Apr 2023 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £17.1m | £15.4m | £12.6m |
| Cost of sales | −£5.8m | −£5.3m | −£3.8m |
| Gross profit | £11.2m | £10.1m | £8.8m |
| Operating profit | −£2.9m | −£4.2m | −£4m |
| Profit before tax | −£4.3m | −£5.8m | −£5.5m |
| Profit after tax | −£4.4m | −£5.8m | −£5.5m |
| Profit (best available) | −£4.4m | −£5.8m | −£5.5m |
| Employees (average) | 187 | 171 | 154 |
| Ratios | |||
| Profit margin | −25.6% | −37.3% | −43.8% |
| Gross margin | 65.8% | 65.4% | 69.7% |
| Revenue per employee | £91.2k | £90.1k | £81.6k |
| Profit per employee | −£23.3k | −£33.6k | −£35.7k |
| Growth (year on year) | |||
| Revenue growth | — | ▼9.7% | ▼18.5% |
| Headcount growth | — | ▼8.6% | ▼9.9% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Nov 2024 | Accounts · bulk data Nov 2024 | Accounts · bulk data Jan 2026 |
How the business works
- Profit margin
- −43.8%
- Profit ÷ revenue.
- Gross margin
- 69.7%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £81.6k
- Revenue ÷ average employees.
- Profit per employee
- −£35.7k
- 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
- —
- Now —
- Cash at bank
- —
- Now —
- Headcount
- ▼10%
- Now 154
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Aliter Capital LLPultimate parent75–100%
- Aliter Capital General Partner Limited75–100%
- Ac Training Holdco Limited75–100%
- Sponge Group Holdings Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Sponge Group LimitedFigures not disclosed
Sister companies (1)
- Ac TGP I LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from accounts for the year to 30 Apr 2025 (profit −£5.5m), 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.