Black Spark Limited
Registered name: BLACK SPARK LIMITED
Black Spark Limited made £26.5m revenue and £1.9m profit in the year to 30 Jun 2025.
Black Spark Limited’s revenue grew 6% to £26.5m in the year to 30 Jun 2025, with £1.9m profit and 0 employees. The company is classified under “activities of head offices” and is based in Bury ST Edmunds; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Bury ST Edmunds, East of England
- Age
- 14 yrs · since 2012
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Jun 2023 | 30 Jun 2024 | 30 Jun 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £21.6m | £25m | £26.5m |
| Cost of sales | £16.4m | £19.6m | £20.6m |
| Gross profit | £5.2m | £5.4m | £5.9m |
| Operating profit | £3.1m | £2.9m | £2.9m |
| Profit before tax | £3m | £2.9m | £3m |
| Profit after tax | £1.2m | £2m | £1.9m |
| Profit (best available) | £1.2m | £2m | £1.9m |
| Staff costs | £2.8m | £3.4m | £3.3m |
| Employees (average) | 0 | 0 | 0 |
| Ratios | |||
| Profit margin | 5.5% | 7.8% | 7.1% |
| Gross margin | 24.1% | 21.5% | 22.1% |
| Cash conversion | −12.6% | 14.5% | −15% |
| Growth (year on year) | |||
| Revenue growth | — | ▲15.6% | ▲5.9% |
| Profit growth | — | ▲63.7% | ▼4.5% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £316k | £340k | £279k |
| Net assets | −£571k | £173k | £176k |
| Fixed assets | £615k | £615k | £615k |
| Current assets | £792k | £833k | £807k |
| Debtors | £0 | £0 | £0 |
| Deferred income | £6.4k | £6.9k | — |
| Cash from operations | −£384k | £418k | −£439k |
| Source | FullAccounts · bulk data Mar 2025 | FullAccounts · bulk data Mar 2025 | FullAccounts · bulk data Oct 2025 |
How the business works
- Profit margin
- 7.1%
- Profit ÷ revenue.
- Gross margin
- 22.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- Profit ÷ average employees.
- Cash conversion
- −15%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 2.3%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 0%
- 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
- ▲2%
- Now £176k
- Cash at bank
- ▼18%
- Now £279k
- Headcount
- —
- Now 0
- Deferred income
- —
- Now —
- Fixed assets
- 0%
- Now £615k
Group structure
Subsidiaries (2)
- Portable Space LimitedRev. £26.5m · Profit £1.9m
- Flash Tag Me LtdFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 30 Jun 2025 (profit £1.9m), from the Companies House accounts bulk data published Oct 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.