How much does Thermox Performance Materials Limited make?

Thermox Performance Materials Limited reported revenue of £7.6m and £499k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is Thermox Performance Materials Limited profitable?

Yes — Thermox Performance Materials Limited reported a profit of £499k in the year to 31 Dec 2025.

Company No. 01062827 · Incorporated 26 Jul 1972

Thermox Performance Materials Limited

Registered name: THERMOX PERFORMANCE MATERIALS LIMITED

Part of Amco Investments Limited group

Thermox Performance Materials Limited made £7.6m revenue and £499k profit in the year to 31 Dec 2025.

Thermox Performance Materials Limited’s revenue fell 9% to £7.6m in the year to 31 Dec 2025, with £499k profit. The company is classified under “manufacture of other inorganic basic chemicals” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 20130Manufacture of other inorganic basic chemicals

Status: Active
Location: London, London
Age: 54 yrs · since 1972
Type: Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.

Latest accounts · year to 31 Dec 2025

Key figures

Revenue

£7.6m

Growth ▼9.1%

Profit

£499k

Growth ▼19.8%

Profit margin

6.6%

Employees

—

Change —

Profit / employee

—

Profitable streak

3yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£6.6m	£8.3m	£7.6m
Cost of sales	£5.9m	£8.6m	−£1.7m
Operating profit	£511k	£875k	£714k
Profit before tax	£397k	£829k	£665k
Profit after tax	£320k	£622k	£499k
Profit (best available)	£320k	£622k	£499k
Employees (average)	—	—	—
Ratios
Profit margin	4.9%	7.4%	6.6%
Growth (year on year)
Revenue growth	—	▲27.4%	▼9.1%
Profit growth	—	▲94.3%	▼19.8%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Aug 2025	Accounts · bulk data Aug 2025	Accounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 6.6%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: —; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: —; Money owed by customers. Low = customers pay quickly.

Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets: —; Now —
Cash at bank: —; Now —
Headcount: —; Now —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Amco Investments Limitedultimate parent75–100%
Amalgamated Metal Corporation PLC75–100%
Amalgamated Metal Investment Holdings Limited75–100%
Thermox Performance Materials Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (18)

Brookside Metal Company LimitedRev. £1.5m · Profit £872k
Sansing (UK) LimitedRev. £1.1m · Profit £486k
Aluminium Zero LimitedFigures not disclosed
Amalgamated Metal Recycling Holdings LimitedFigures not disclosed
Amalgamet LimitedFigures not disclosed
Amc DBT LimitedFigures not disclosed
Amc Eos LimitedFigures not disclosed
Amc Group LimitedFigures not disclosed
Amc Metal Recoveries LtdFigures not disclosed
Amc Performance Materials LimitedFigures not disclosed
British Amalgamated Metal Investments LimitedFigures not disclosed
British Metal Corporation Limited(The)Figures not disclosed
Consolidated Tin Smelters,limitedFigures not disclosed
Henry Gardner & Company LimitedFigures not disclosed
Keeling & Walker,limitedFigures not disclosed
Mil-Ver Metal Company LimitedFigures not disclosed
Options Desk LimitedFigures not disclosed
William Rowland LimitedFigures not disclosed

From the Persons with Significant Control register (corporate controllers only).

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit £499k), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.