Humber Hydrogen Transmission System Ltd
Registered name: HUMBER HYDROGEN TRANSMISSION SYSTEM LTD
Part of Luppiter Consortium Limited groupHumber Hydrogen Transmission System Ltd does not publish its revenue or profit. Its accounts to 31 Dec 2025 show net assets of £1k.
Humber Hydrogen Transmission System Ltd did not publish its revenue or profit — small companies aren’t required to file a profit & loss account. Its accounts for the year to 31 Dec 2025 showed net assets of £1k. The company is classified under “activities of other holding companies” and is based in Warwick; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Warwick
- Age
- 2 yrs · since 2024
- Type
- Private Limited Company
Key figures
Revenue not disclosed
Humber Hydrogen Transmission System Ltd’s accounts for the year to 31 Dec 2025 contain a balance sheet but no profit & loss account, so its revenue and profit are not public. UK small and micro-entity companies are not required to publish a profit & loss account — this is normal and says nothing about how the business is performing.
We never estimate revenue. Below you’ll find the balance-sheet figures that were filed — useful as indirect signals of momentum, but they are not revenue or profit.
- Employees
- —
- Net assets
- £1k
Financial history
Balance-sheet figures — an indirect signal, not revenue or profit.
| Year to | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|
| Disclosure | No profit & loss | No profit & loss |
| Profit & loss | ||
| Revenue (turnover) | — | — |
| Profit (best available) | — | — |
| Employees (average) | — | — |
| Ratios | ||
| Profit margin | — | — |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £1k | £1k |
| Net assets | £1k | £1k |
| Source | FullAccounts · bulk data May 2026 | FullAccounts · bulk data May 2026 |
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
- 0%
- Now £1k
- Cash at bank
- 0%
- Now £1k
- Headcount
- —
- Now —
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Luppiter Consortium Limitedultimate parent75–100%
- Luppiter Bidco Limited75–100%
- Gast Pledgeco Limited75–100%
- Gast Midco Limited75–100%
- National Gas Transmission Holdings Limited75–100%
- National Gas Transmission PLC75–100%
- Humber Hydrogen Transmission System Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- National Gas Metering LimitedFigures not disclosed
- National Gas Transmission Pension Trustee LimitedFigures not disclosed
- Premtech LtdFigures not disclosed
Minority corporate shareholders
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025, from the Companies House accounts bulk data published May 2026. Spotted an error? Request a correction.
Updated from Companies House on 22 Oct 2026