# ALTA SIERRA LTD (15193473)

> ALTA SIERRA LTD is an active private limited company (company number 15193473) incorporated on 6 October 2023, registered in London. Its registered activity is computer facilities management activities (SIC 62030). Latest micro accounts cover the period ending 31 March 2026, showing net assets of £119, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 28% on the prior period (£93).

- Status: Active
- Incorporated: 2023-10-06
- Registered office: London, N1 7GU
- SIC 62030: Computer facilities management activities
- SIC 63110: Data processing, hosting and related activities
- Next accounts due: 2027-12-31
- Confirmation statement due: 2027-10-20
- Accounts type: MICRO ENTITY

By net assets it sits in the lower half of 329 comparable companies in London (median £2,746, upper quartile £30k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2026-03-31 | £119 | — | — | £26k | — | — | 1 |
| 2025-03-31 | £93 | — | — | £32k | — | — | 1 |

current ratio 0.87; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £119 at 31 March 2026
- Net assets up 10% or more on the prior period: +28.0% vs prior period
- Current assets below creditors within one year: Current ratio 0.87
- Incorporated two to five years ago: Incorporated 6 October 2023

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Michael Cronnelly — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2023-10-06

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/15193473
HTML: https://firmoscan.com/company/15193473-alta-sierra-ltd