London Marine Consultants Limited
Registered name: LONDON MARINE CONSULTANTS LIMITED
London Marine Consultants Limited made £9.8m revenue and £495k profit in the year to 31 Jan 2026.
London Marine Consultants Limited’s revenue grew 73% to £9.8m in the year to 31 Jan 2026, with £495k profit and 30 employees. The company is classified under “engineering related scientific and technical consulting activities” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 36 yrs · since 1990
- Type
- Private Limited Company
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Jan 2024 | 31 Jan 2025 | 31 Jan 2026 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £6.3m | £8.2m | £5.7m | £9.8m |
| Cost of sales | £6m | £7m | £3.8m | £8.2m |
| Gross profit | £253k | £1.2m | £1.9m | £1.6m |
| Operating profit | — | −£107k | £1.1m | £685k |
| Profit before tax | −£355k | −£107k | £1.1m | £711k |
| Profit after tax | −£355k | −£107k | £2.1m | £495k |
| Profit (best available) | −£355k | −£107k | £2.1m | £495k |
| Staff costs | £1.6m | £2.1m | £2.7m | £2.4m |
| Employees (average) | 22 | 25 | 30 | 30 |
| Ratios | ||||
| Profit margin | −5.7% | −1.3% | 37.8% | 5.1% |
| Gross margin | 4% | 14.7% | 33% | 16% |
| Revenue per employee | £284k | £327k | £188k | £326k |
| Profit per employee | −£16.1k | −£4.3k | £71.3k | £16.5k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲30.9% | ▼30.9% | ▲73.1% |
| Profit growth | — | — | — | ▼76.9% |
| Headcount growth | — | ▲13.6% | ▲20% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £2.3m | £959k | £1.9m | £2.6m |
| Net assets | −£539k | −£646k | £1.5m | £2m |
| Fixed assets | £35.9k | £15.1k | £10.7k | £99.6k |
| Current assets | £4.2m | £4m | £3.8m | £8.7m |
| Debtors | £283k | £615k | £473k | £3.6m |
| Deferred income | £2.2m | £1.9m | £338k | £4.3m |
| Source | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Jun 2025 | FullAccounts · bulk data Aug 2026 |
How the business works
- Profit margin
- 5.1%
- Profit ÷ revenue.
- Gross margin
- 16%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £326k
- Revenue ÷ average employees.
- Profit per employee
- £16.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 1%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 43.4%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 36.9%
- 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
- ▲33%
- Now £2m
- Cash at bank
- ▲33%
- Now £2.6m
- Headcount
- 0%
- Now 30
- Deferred income
- ▲1156%
- Now £4.3m
- Fixed assets
- ▲834%
- Now £99.6k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
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Sources
Latest figures from FullAccounts for the year to 31 Jan 2026 (profit £495k), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.