Rock Rail NNW Parent Ltd
Registered name: ROCK RAIL NNW PARENT LTD
Part of Kkr & Co. Inc. groupRock Rail NNW Parent Ltd does not publish its revenue or profit. Its accounts to 31 Dec 2025 show net assets of £1 and 2 employees.
Rock Rail NNW Parent 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 £1 and 2 employees. The company is classified under “activities of other holding companies” and is based in London.
- Status
- Active
- Location
- London
- Age
- 1 yr · since 2025
- Type
- Private Limited Company
Key figures
Revenue not disclosed
Rock Rail NNW Parent 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
- 2
- Net assets
- £1
Financial history
| Year to | 31 Dec 2025 |
|---|---|
| Disclosure | No profit & loss |
| Profit & loss | |
| Revenue (turnover) | — |
| Profit (best available) | — |
| Employees (average) | 2 |
| Ratios | |
| Profit margin | — |
| Balance sheet — indirect signals, not revenue | |
| Net assets | £1 |
| Current assets | £1 |
| Debtors | £1 |
| Source | FullAccounts · bulk data Sep 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
- —
- Now £1
- Cash at bank
- —
- Now —
- Headcount
- —
- Now 2
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Kkr & Co. Inc. (registered outside the UK register)ultimate parent75–100%
- Aqueduct Bidco Limited75–100%
- John Laing Group Limited75–100%
- John Laing Holdco Limited75–100%
- John Laing Limited75–100%
- John Laing Investments Holding Limited75–100%
- JL NNW Rail Holdco Limited75–100%
- Rock Rail NNW Parent Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Rock Rail NNW Midco LimitedFigures not disclosed
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 Sep 2026. Spotted an error? Request a correction.