# FAST BUILDING II LTD (10534389)

> FAST BUILDING II LTD is an active private limited company (company number 10534389) incorporated on 21 December 2016, registered in London. Its registered activity is other construction installation (SIC 43290). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £416k, with 0 employees on average. Turnover was £407k and profit for the year £394k. Net assets rose 6214% on the prior period (£6,583). Across the last 3 periods on record the net-asset trend is rising.

- Status: Active
- Incorporated: 2016-12-21
- Registered office: London, W1W 5PF
- SIC 43290: Other construction installation
- SIC 43390: Other building completion and finishing
- SIC 43999: Other specialised construction activities n.e.c.
- SIC 82990: Other business support service activities n.e.c.
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-01-04
- Accounts type: MICRO ENTITY

By net assets it sits in the top quarter of 1,764 comparable companies in London (median £3,116, upper quartile £21k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £416k | — | — | £316k | £407k | £394k | 0 |
| 2024-12-31 | £6,583 | — | — | £280k | — | — | 3 |
| 2023-12-31 | £2,575 | — | — | £165k | — | — | — |

current ratio 2.32; net margin 97.0%; net assets trend rising; size band micro.

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

- Net assets above zero: Net assets £415,665 at 31 December 2025
- Net assets up 10% or more on the prior period: +6214.2% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 2.32
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 21 December 2016

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

## Persons with significant control

- Mr Mieczyslaw Chalubinski — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2026-04-20

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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/10534389
HTML: https://firmoscan.com/company/10534389-fast-building-ii-ltd