TSL Lighting Limited
Registered name: TSL LIGHTING LIMITED
TSL Lighting Limited made £828k profit in the year to 31 Dec 2024 (revenue not disclosed).
TSL Lighting Limited reported £828k profit in the year to 31 Dec 2024, down 13% on the year before; its revenue was not disclosed. It had 75 employees. The company is classified under “technical testing and analysis” and is based in Basingstoke; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Basingstoke, South East
- Age
- 18 yrs · since 2007
- Type
- Private Limited Company
Key figures
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|
| Disclosure | Profit only | Profit only | Profit only |
| Profit & loss | |||
| Revenue (turnover) | — | — | — |
| Cost of sales | £4.2m | £4.1m | £4m |
| Profit after tax | £2m | £954k | £828k |
| Profit (best available) | £2m | £954k | £828k |
| Staff costs | £2.2m | £2.8m | £2.8m |
| Employees (average) | 60 | 77 | 75 |
| Ratios | |||
| Profit margin | — | — | — |
| Profit per employee | £32.8k | £12.4k | £11k |
| Growth (year on year) | |||
| Profit growth | — | ▼51.6% | ▼13.2% |
| Headcount growth | — | ▲28.3% | ▼2.6% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £889k | £1.3m | £1.2m |
| Net assets | £3.9m | £4.8m | £5.5m |
| Fixed assets | £6.1m | £6.1m | £6.7m |
| Current assets | £2.3m | £2.3m | £2.4m |
| Debtors | £877k | £753k | £454k |
| Cash from operations | −£3.2m | −£2.8m | −£2.6m |
| Source | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2025 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- £11k
- 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
- —
- 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
- ▲16%
- Now £5.5m
- Cash at bank
- ▼8%
- Now £1.2m
- Headcount
- ▼3%
- Now 75
- Deferred income
- —
- Now —
- Fixed assets
- ▲9%
- Now £6.7m
Group structure
Subsidiaries (2)
- Blinding Light LimitedFigures not disclosed
- Point Source Productions LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- 1G Dynamics LimitedRoyston, Hertfordshire · Technical testing and analysis
- Revenue
- £89.8m
- Profit
- £9.7m
- Staff
- 40
- As International Corporation LtdLiverpool · Technical testing and analysis
- Revenue
- £23.7m
- Profit
- £5.3m
- Staff
- 117
- Icw Technical Services LtdLondon · Technical testing and analysis
- Revenue
- £14.4m
- Profit
- £3.6m
- Staff
- 48
- Glacier Inspection Services LimitedAberdeen · Technical testing and analysis
- Revenue
- £14.5m
- Profit
- £3.1m
- Staff
- 85
- Aqualogic (WC) LtdLiverpool · Technical testing and analysis
- Revenue
- £12.4m
- Profit
- £2.8m
- Staff
- 147
- Electrical Testing LimitedNorwich · Technical testing and analysis
- Revenue
- £13.7m
- Profit
- £1.3m
- Staff
- 42
Sources
Latest figures from FullAccounts for the year to 31 Dec 2024 (profit £828k), from the Companies House accounts bulk data published Sep 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.