T G Tunnelling (Holdings) Limited
Registered name: T G TUNNELLING (HOLDINGS) LIMITED
T G Tunnelling (Holdings) Limited made £2.5m profit in the year to 31 Oct 2025 (revenue not disclosed).
T G Tunnelling (Holdings) Limited reported £2.5m profit in the year to 31 Oct 2025; its revenue was not disclosed. It had 0 employees. The company is classified under “other business support service activities” and is based in London; we hold 5 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 8 yrs · since 2018
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
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 ultimate controlling party is deemed to be Mr. Thomas”
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 Oct 2021 | 31 Oct 2022 | 31 Oct 2023 | 31 Oct 2024 | 31 Oct 2025 |
|---|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Profit only | Profit only | Profit only |
| Profit & loss | |||||
| Revenue (turnover) | £50.6m | £85.1m | — | — | — |
| Cost of sales | £46.7m | £79.4m | £87.8m | £112m | £105m |
| Gross profit | £3.9m | £5.7m | — | — | — |
| Operating profit | £3m | £4.6m | — | — | — |
| Profit before tax | £3.1m | £4.6m | — | −£2.4m | −£645k |
| Profit after tax | £3.5m | £3.8m | £1.3m | £0 | £2.5m |
| Profit (best available) | £3.5m | £3.8m | £1.3m | £0 | £2.5m |
| Staff costs | £0 | £0 | £0 | £0 | £0 |
| Employees (average) | 0 | 0 | 0 | 0 | 0 |
| Ratios | |||||
| Profit margin | 7% | 4.4% | — | — | — |
| Gross margin | 7.6% | 6.7% | — | — | — |
| Cash conversion | 86.5% | −93.8% | — | — | — |
| Growth (year on year) | |||||
| Revenue growth | — | ▲68.3% | — | — | — |
| Profit growth | — | ▲6.5% | ▼64.5% | ▼100% | — |
| Balance sheet — indirect signals, not revenue | |||||
| Cash at bank | £4.6m | £8.2m | £5.3m | £6m | £15.1k |
| Net assets | — | £9.6m | £9.6m | £16.9m | £14.1m |
| Fixed assets | £96.2k | £81.8k | £9.6m | £9.6m | £5.8k |
| Current assets | — | — | £52k | £6m | — |
| Debtors | £0 | £0 | £0 | £0 | £0 |
| Deferred income | £0 | £0 | £0 | £0 | £0 |
| Cash from operations | £2.6m | −£4.3m | £1.7m | −£3.4m | −£5.7m |
| Source | Accounts · bulk data Oct 2023 | Accounts · bulk data Oct 2023 | FullAccounts · bulk data Jul 2024 | FullAccounts · bulk data Oct 2025 | FullAccounts · bulk data Jul 2026 |
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
- —
- 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
- ▼17%
- Now £14.1m
- Cash at bank
- ▼100%
- Now £15.1k
- Headcount
- —
- Now 0
- Deferred income
- —
- Now £0
- Fixed assets
- ▼100%
- Now £5.8k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Subsidiaries (2)
- T. G. Tunnelling LimitedRev. £104m · Profit £356k
- Carnvalley Investments LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Oct 2025 (profit £2.5m), from the Companies House accounts bulk data published Jul 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.