# AQUARIUS THERMAL SYSTEMS LTD (SC313788)

> AQUARIUS THERMAL SYSTEMS LTD is an active private limited company (company number SC313788) incorporated on 21 December 2006, registered in Linlithgow. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £522k and cash of £510k, with 4 employees on average. Net assets rose 16% on the prior period (£450k).

- Status: Active
- Incorporated: 2006-12-21
- Registered office: Linlithgow, EH49 7ND
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-01-04
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 288 comparable companies in Edinburgh (median £5,861, upper quartile £42k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £522k | £510k | £78k | — | — | — | 4 |
| 2024-12-31 | £450k | £444k | £74k | — | — | — | 5 |

size band micro.

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

- Net assets above zero: Net assets £522,076 at 31 December 2025
- Net assets up 10% or more on the prior period: +16.1% vs prior period
- Cash at bank of £50,000 or more: Cash £510,117
- Incorporated five or more years ago: Incorporated 21 December 2006

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

## Persons with significant control

- Mr Graham Robert Malcolm — owns 75–100% of shares, since 2016-07-01

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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/SC313788
HTML: https://firmoscan.com/company/SC313788-aquarius-thermal-systems-ltd