Strongseal Limited
Registered name: STRONGSEAL LIMITED
Strongseal Limited made £3.2k revenue and £556 profit in the year to 31 Mar 2025. read from filing text
Strongseal Limited’s revenue grew 26% to £3.2k in the year to 31 Mar 2025, with £556 profit and 0 employees. The company is classified under “other business support service activities” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 29 yrs · since 1997
- 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: “The directors consider that The Viscount Cowdray is the company's ultimate controller by virtue of his 100% holding of the company's issued equity shares.”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2022 | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £1.4k | £2k | £2.5k | £3.2k |
| Operating profit | −£1k | −£400 | £100 | −£150 |
| Profit before tax | −£1k | −£1 | £809 | £556 |
| Profit after tax | −£1k | −£1 | £809 | £556 |
| Profit (best available) | −£1k | −£1 | £809 | £556 |
| Employees (average) | 0 | 0 | 0 | 0 |
| Ratios | ||||
| Profit margin | −75.8% | −0.1% | 32.2% | 17.6% |
| Growth (year on year) | ||||
| Revenue growth | — | ▲44.9% | ▲25.7% | ▲25.9% |
| Profit growth | — | — | — | ▼31.3% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £42.2k | £41.6k | £41.9k | £43.8k |
| Net assets | −£115k | −£115k | −£114k | −£114k |
| Current assets | £46.7k | £44.3k | £45.1k | £47.7k |
| Debtors | £4.5k | £2.7k | £3.2k | £3.9k |
| Source | Accounts · bulk data Nov 2023 | Accounts · bulk data Nov 2023 | FullAccounts · bulk data Jun 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 17.6%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- 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
- 123.8%
- 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 −£114k
- Cash at bank
- ▲5%
- Now £43.8k
- Headcount
- —
- Now 0
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £556), from the Companies House accounts bulk data published Dec 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.