# DEUTERIUM HEATING LTD (12566949)

> DEUTERIUM HEATING LTD is an active private limited company (company number 12566949) incorporated on 21 April 2020, registered in London. Its registered activity is environmental consulting activities (SIC 74901). Latest micro accounts cover the period ending 31 December 2024, showing net assets of −£35k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.

- Status: Active
- Incorporated: 2020-04-21
- Registered office: London, SE1 1LB
- SIC 74901: Environmental consulting activities
- Next accounts due: 2026-09-30
- Confirmation statement due: 2027-05-05
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 713 comparable companies in London (median £2,098, upper quartile £37k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | −£35k | — | — | — | — | — | 0 |
| 2023-12-31 | −£35k | — | — | — | — | — | 0 |

size band micro.

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

- Net assets below zero: Net assets £-35,156 at 31 December 2024
- Incorporated five or more years ago: Incorporated 21 April 2020
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Protium Green Solutions Limited (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-08-16

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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/12566949
HTML: https://firmoscan.com/company/12566949-deuterium-heating-ltd