Sion Topco Limited
Registered name: SION TOPCO LIMITED
Part of Growth Capital Partners Nominees Limited groupSion Topco Limited made £63.5m revenue and a £7.7m loss in the year to 30 Apr 2025.
Sion Topco Limited’s revenue grew 10% to £63.5m in the year to 30 Apr 2025, with a loss of £7.7m and 376 employees. The company is classified under “activities of other holding companies” and is based in Magor; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Magor, Wales
- Age
- 7 yrs · since 2018
- 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) | £62.5m | £57.8m | £63.5m |
| Cost of sales | −£46.9m | −£43.8m | −£49m |
| Gross profit | £15.6m | £14m | £14.5m |
| Operating profit | −£1.3m | −£3.3m | −£3m |
| Profit before tax | −£5.1m | −£7.6m | −£7.3m |
| Profit after tax | −£5.9m | −£7.4m | −£7.7m |
| Profit (best available) | −£5.9m | −£7.4m | −£7.7m |
| Employees (average) | 464 | 393 | 376 |
| Ratios | |||
| Profit margin | −9.5% | −12.7% | −12% |
| Gross margin | 24.9% | 24.3% | 22.8% |
| Revenue per employee | £135k | £147k | £169k |
| Profit per employee | −£12.8k | −£18.7k | −£20.3k |
| Growth (year on year) | |||
| Revenue growth | — | ▼7.5% | ▲9.8% |
| Headcount growth | — | ▼15.3% | ▼4.3% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Feb 2025 | Accounts · bulk data Feb 2025 | Accounts · bulk data Nov 2025 |
How the business works
- Profit margin
- −12%
- Profit ÷ revenue.
- Gross margin
- 22.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £169k
- Revenue ÷ average employees.
- Profit per employee
- −£20.3k
- 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
- ▼4%
- Now 376
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Growth Capital Partners Nominees Limitedultimate parent50–75%
- Sion Topco Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Sion Midco LimitedFigures not disclosed
Sister companies (5)
- Voronoi Topco LimitedRev. £29.9m · Profit −£2.1m
- Grouse Topco LimitedRev. — · Profit −£193k
- Horizon Derby Topco LimitedFigures not disclosed
- Project Bowdon Topco LimitedRev. — · Profit −£145k
- Prometheus Topco LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 30 Apr 2025 (profit −£7.7m), from the Companies House accounts bulk data published Nov 2025. 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.