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HTMS raises £1.3M in Seed round led by South West Investment Fund and Midlands Engine Investment Fund II to commercialize heat-resistant materials technology.

PRIVATESep 02, 2026•6 days ago

Amount Raised

£1.63 Million

Round Type

Seed

BristolManufacturingAutomotiveAviation & Aerospace

Investors

Plug And PlayDeep Tech LabsSfc CapitalMercia VenturesMaven Capital PartnersMidlands Engine Investment Fund IiSouth West Investment Fund

Description

High Temperature Material Systems (HTMS), a UK-based startup developing novel heat-resistant inorganic matrix composites (IMCs), secured £1.3 million in a Seed funding round led by South West Investment Fund and Midlands Engine Investment Fund II in September 2025. The round included participation from SFC Capital, DeepTech Labs, and US venture fund Plug and Play. Since the funding, HTMS has opened new headquarters in Leamington Spa and a 6,000 sq ft laboratory in Malmesbury, created five new jobs, and completed successful trials for electric vehicle components. The company is now preparing for a Series A round and plans to expand exports to the Middle East and US.

Company Information

Company

High Temperature Material Systems

Location

Bristol, England, United Kingdom

About

High Temperature Material Systems (HTMS) develops advanced heat-resistant materials for various applications, including the aerospace industry and automotive parts. Founded in 2021, HTMS specializes in Ceramic Matrix Composites (CMCs) that combine the heat-resistant properties of ceramics with added strength and flexibility. The company aims to address key thermal challenges in the automotive industry with its innovative materials. Currently based in Stratford-upon-Avon and Bristol, HTMS is working collaboratively with automotive and battery manufacturers as well as research institutes.

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