International Society for Respiratory Viruses Ltd.
Registered name: INTERNATIONAL SOCIETY FOR RESPIRATORY VIRUSES LTD.
International Society for Respiratory Viruses Ltd. made £1.8m revenue and £68.8k profit in the year to 31 Mar 2025.
International Society for Respiratory Viruses Ltd.’s revenue grew 707% to £1.8m in the year to 31 Mar 2025, with £68.8k profit and 0 employees. The company is classified under “other professional, scientific and technical activities” and is based in London; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 19 yrs · since 2006
- Type
- PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Non-profit. It is limited by guarantee (typically an association, club or management company), so it isn't run for profit. 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 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £225k | £1.8m |
| Cost of sales | £388k | £1.9m |
| Gross profit | −£163k | −£53.5k |
| Operating profit | −£133k | −£5.1k |
| Profit before tax | −£117k | £68.8k |
| Profit after tax | −£117k | £68.8k |
| Profit (best available) | −£117k | £68.8k |
| Employees (average) | 0 | 0 |
| Ratios | ||
| Profit margin | −51.8% | 3.8% |
| Gross margin | −72.2% | −2.9% |
| Growth (year on year) | ||
| Revenue growth | — | ▲707% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £1.2m | £1m |
| Net assets | £1.9m | £2m |
| Fixed assets | £806k | £724k |
| Current assets | £1.2m | £1.5m |
| Debtors | £0 | £227k |
| Deferred income | £143k | £239k |
| Source | FullAccounts · bulk data Jan 2026 | FullAccounts · bulk data Jan 2026 |
How the business works
- Profit margin
- 3.8%
- Profit ÷ revenue.
- Gross margin
- −2.9%
- 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
- 39.8%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 13.2%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 12.5%
- 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
- ▲4%
- Now £2m
- Cash at bank
- ▼14%
- Now £1m
- Headcount
- —
- Now 0
- Deferred income
- ▲68%
- Now £239k
- Fixed assets
- ▼10%
- Now £724k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Similar profitable businesses
- Freuds Group LimitedLondon · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.8m
- Profit
- £584k
- Staff
- 13
- Emtec Core & Protect LimitedHamilton · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.9m
- Profit
- £43.9k
- Staff
- 21
- Specialist Construction Certification Scheme LimitedLondon · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.9m
- Profit
- £620k
- Staff
- 6
- Nidec SR Drives Ltd.Harrogate · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.9m
- Profit
- £95.5k
- Staff
- 16
- Carbon Trust Assurance LimitedLondon · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.9m
- Profit
- £631k
- Staff
- —
- Aql Emc LimitedWolverhampton · Other professional, scientific and technical activities n.e.c.
- Revenue
- £1.7m
- Profit
- £207k
- Staff
- 11
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £68.8k), 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.