Southampton Marine Services Limited
Registered name: SOUTHAMPTON MARINE SERVICES LIMITED
Part of Marine Services Top Co Limited groupSouthampton Marine Services Limited made £26.9m revenue and £1.8m profit in the year to 30 Jun 2025. read from filing text
Southampton Marine Services Limited’s revenue was £26.9m in the year to 30 Jun 2025, with £1.8m profit and 105 employees. The company is classified under “repair and maintenance of ships and boats” and is based in Fareham; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Fareham, South East
- Age
- 10 yrs · since 2016
- 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 parent company is Marine Services Top Co Limited, a company registered in England and Wales. Marine Services Top Co Limited prepare consolidated financial statements, which include the results of ”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Jun 2022 | 30 Jun 2023 | 30 Jun 2024 | 30 Jun 2025 |
|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £14.5m | £25.1m | £27m | £26.9m |
| Cost of sales | £10.8m | £18.4m | £19.9m | £19.8m |
| Gross profit | £3.7m | £6.8m | £7.1m | £7m |
| Operating profit | £744k | £3.1m | £1.6m | £2.4m |
| Profit before tax | £733k | £3.1m | £1.6m | £2.4m |
| Profit after tax | £664k | £2.5m | £1.2m | £1.8m |
| Profit (best available) | £664k | £2.5m | £1.2m | £1.8m |
| Staff costs | £3.7m | £4.3m | £5.4m | £5.6m |
| Employees (average) | 73 | 87 | 105 | 105 |
| Ratios | ||||
| Profit margin | 4.6% | 9.8% | 4.4% | 6.8% |
| Gross margin | 25.6% | 27% | 26.2% | 26.2% |
| Revenue per employee | £198k | £289k | £257k | £256k |
| Profit per employee | £9.1k | £28.2k | £11.3k | £17.3k |
| Cash conversion | −135.4% | −94.4% | — | — |
| Growth (year on year) | ||||
| Revenue growth | — | ▲73.7% | ▲7.2% | ▼0.3% |
| Profit growth | — | ▲268.9% | ▼51.8% | ▲54% |
| Headcount growth | — | ▲19.2% | ▲20.7% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £359k | £1m | £1.1m | £2m |
| Net assets | £560k | £1.2m | £2m | £2.8m |
| Fixed assets | £811k | £847k | £1.1m | £1.4m |
| Current assets | £6m | £5.5m | £7.7m | £9.9m |
| Debtors | £2.7m | £2.9m | £5m | £5m |
| Deferred income | £415k | £462k | £359k | £568k |
| Cash from operations | −£1m | −£3m | — | — |
| Source | FullAccounts · bulk data Nov 2023 | FullAccounts · bulk data Nov 2023 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Mar 2026 |
How the business works
- Profit margin
- 6.8%
- Profit ÷ revenue.
- Gross margin
- 26.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £256k
- Revenue ÷ average employees.
- Profit per employee
- £17.3k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 5.2%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 2.1%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 18.6%
- 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
- ▲41%
- Now £2.8m
- Cash at bank
- ▲76%
- Now £2m
- Headcount
- 0%
- Now 105
- Deferred income
- ▲58%
- Now £568k
- Fixed assets
- ▲27%
- Now £1.4m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Marine Services Top Co Limitedultimate parent75–100%
- Southampton Marine Services Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (2)
- SMS Subsea LimitedFigures not disclosed
- SMS USA LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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- Profit
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- Staff
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- Dales Marine Services (Greenock) LimitedAberdeen · Repair and maintenance of ships and boats
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Sources
Latest figures from FullAccounts for the year to 30 Jun 2025 (profit £1.8m), from the Companies House accounts bulk data published Mar 2026. Spotted an error? Request a correction.
Updated from Companies House on 13 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.