# PROTEUS MAINTENANCE LIMITED (11569384)

> PROTEUS MAINTENANCE LIMITED is an active private limited company (company number 11569384) incorporated on 14 September 2018, registered in Northwood. Its registered activity is electrical installation (SIC 43210). Latest small accounts cover the period ending 30 September 2025, showing net assets of £1,225 and cash of £100, with 1 employee on average. Net assets fell 96% on the prior period (£32k). Across the last 3 periods on record the net-asset trend is volatile.

- Status: Active
- Incorporated: 2018-09-14
- Registered office: Northwood, HA6 2XY
- SIC 43210: Electrical installation
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2027-06-30
- Confirmation statement due: 2027-09-28
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the lower half of 4,199 comparable companies in Greater London (median £5,863, upper quartile £31k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-09-30 | £1,225 | £100 | £40k | £39k | — | — | 1 |
| 2024-09-30 | £32k | £100 | £61k | £30k | — | — | 1 |
| 2023-09-30 | £2,675 | £10k | £5,625 | £15k | — | — | 1 |

current ratio 1.03; net assets trend volatile; size band micro.

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

- Net assets above zero: Net assets £1,225 at 30 September 2025
- Net assets down 25% or more on the prior period: -96.2% vs prior period
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 14 September 2018

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

## Persons with significant control

- Mr Martin James Boultwood — owns 50–75% of shares; holds 50–75% of voting rights, since 2018-09-14
- Mrs Zoe Hannah Boultwood — owns 25–50% of shares; holds 25–50% of voting rights, since 2024-10-01

---
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/11569384
HTML: https://firmoscan.com/company/11569384-proteus-maintenance-limited