# MICRO-MEMBRANE SYSTEMS LIMITED (04915635)

> MICRO-MEMBRANE SYSTEMS LIMITED is an active private limited company (company number 04915635) incorporated on 30 September 2003, registered in Radstock. Its registered activity is repair of other equipment (SIC 33190). Latest small accounts cover the period ending 31 December 2025, showing net assets of £544k and cash of £399k, with 3 employees on average. Net assets rose 17% on the prior period (£464k).

- Status: Active
- Incorporated: 2003-09-30
- Registered office: Radstock, BA3 2BB
- SIC 33190: Repair of other equipment
- SIC 71200: Technical testing and analysis
- SIC 74901: Environmental consulting activities
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-10-14
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 99 comparable companies in Bristol (median £13k, upper quartile £126k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £544k | £399k | £127k | — | — | — | 3 |
| 2024-12-31 | £464k | £227k | £264k | — | — | — | 3 |

size band micro.

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

- Net assets above zero: Net assets £543,782 at 31 December 2025
- Net assets up 10% or more on the prior period: +17.2% vs prior period
- Cash at bank of £50,000 or more: Cash £398,556
- Incorporated five or more years ago: Incorporated 30 September 2003

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

## Persons with significant control

- Dr John Stuart Baker — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors; can appoint or remove directors, since 2016-04-06
- Mrs Julia Ann-Marie Baker — owns 25–50% of shares; holds 25–50% of voting rights, since 2025-04-11

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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/04915635
HTML: https://firmoscan.com/company/04915635-micro-membrane-systems-limited