# MAS MAINTENANCE LIMITED (13729858)

> MAS MAINTENANCE LIMITED is an active private limited company (company number 13729858) incorporated on 8 November 2021, registered in Portsmouth. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest micro accounts cover the period ending 30 November 2025, showing net assets of −£17k, with 3 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 123% on the prior period (£73k). Across the last 3 periods on record the net-asset trend is volatile.

- Status: Active
- Incorporated: 2021-11-08
- Registered office: Portsmouth, PO6 3EB
- SIC 43999: Other specialised construction activities n.e.c.
- Next accounts due: 2027-08-30
- Confirmation statement due: 2026-11-22
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 568 comparable companies in Portsmouth (median £6,305, upper quartile £45k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-11-30 | −£17k | — | — | £302k | — | — | 3 |
| 2024-11-30 | £73k | — | — | £34k | — | — | 0 |
| 2023-11-30 | £55k | — | — | £12k | — | — | 0 |

current ratio 0.91; net assets trend volatile; size band micro.

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

- Net assets below zero: Net assets £-16,744 at 30 November 2025
- Net assets down 25% or more on the prior period: -123.0% vs prior period
- Current assets below creditors within one year: Current ratio 0.91
- Three or more accounting periods on record: 3 periods on record
- Incorporated two to five years ago: Incorporated 8 November 2021

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

## Persons with significant control

- Mr Steven Mark Duffin — owns 25–50% of shares; holds 25–50% of voting rights, since 2021-11-08
- Mrs Alice Duffin — owns 25–50% of shares; holds 25–50% of voting rights, since 2021-11-08
- Mr Nathan Radcliffe — has significant influence or control, since 2025-03-10

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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/13729858
HTML: https://firmoscan.com/company/13729858-mas-maintenance-limited