# OPTIMUM CLEANROOMS LTD (07867027)

> OPTIMUM CLEANROOMS LTD is an active private limited company (company number 07867027) incorporated on 1 December 2011, registered in Carlisle. Its registered activity is development of building projects (SIC 41100). Latest micro accounts cover the period ending 31 December 2024, showing net assets of £51k, 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 66% on the prior period (£31k).

- Status: Active
- Incorporated: 2011-12-01
- Registered office: Carlisle, CA8 9DD
- SIC 41100: Development of building projects
- Next accounts due: 2026-09-30
- Confirmation statement due: 2026-12-15
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 13,669 comparable companies in Other (median £609, upper quartile £72k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £51k | — | — | — | — | — | 1 |
| 2023-12-31 | £31k | — | — | — | — | — | 1 |

size band micro.

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

- Net assets above zero: Net assets £50,879 at 31 December 2024
- Net assets up 10% or more on the prior period: +65.5% vs prior period
- Incorporated five or more years ago: Incorporated 1 December 2011
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Mr Michael Benjamin Hill — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2016-04-06

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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/07867027
HTML: https://firmoscan.com/company/07867027-optimum-cleanrooms-ltd