# MAINSTONE HEATING LIMITED (07555018)

> MAINSTONE HEATING LIMITED is an active private limited company (company number 07555018) incorporated on 8 March 2011, registered in Bristol. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest small accounts cover the period ending 31 March 2025, showing net assets of £29k and cash of £55k, with 1 employee on average. Net assets rose 45% on the prior period (£20k).

- Status: Active
- Incorporated: 2011-03-08
- Registered office: Bristol, BS36 1NS
- SIC 43999: Other specialised construction activities n.e.c.
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-03-22
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the upper half of 704 comparable companies in Bristol (median £6,053, upper quartile £58k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £29k | £55k | £13k | — | — | — | 1 |
| 2024-03-31 | £20k | £40k | £12k | — | — | — | 1 |

size band micro.

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

- Net assets above zero: Net assets £29,078 at 31 March 2025
- Net assets up 10% or more on the prior period: +44.7% vs prior period
- Cash at bank of £50,000 or more: Cash £54,929
- Incorporated five or more years ago: Incorporated 8 March 2011

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

## Persons with significant control

- Mr Nicholas John Mainstone — owns 75–100% of shares, 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/07555018
HTML: https://firmoscan.com/company/07555018-mainstone-heating-limited