Barton Blakeley Technologies secures £859.5k seed funding for carbon conversion technology

Industrial manufacturers seeking low-carbon alternatives for tires and electronics are the primary market for Barton Blakeley Technologies, which has raised an estimated £859.5k in a new seed round. Based in Harpenden, the company develops technology that converts waste carbon dioxide emissions into industrial materials, including silica nano powders and lead-free glass. These materials are designed for use in the automotive, aerospace, and chemical sectors, providing sustainable inputs for products such as coatings and tires.

The latest investment follows a period of frequent funding activity for the firm. In November 2025, the company secured a combined £1.45m across two separate filings, including a £1.4m round and a £54.2k growth injection. Earlier that same year, the company raised £550k in March, which followed a £1.2m funding round in August 2024. An early investment in August 2018 raised £149.9k at a post-money valuation of £996.9k.

Corporate filings indicate that Elbow Beach Climate Impact II GP Limited was notified as a person with significant control in March, following the share allotment which took place in February. Barton Blakeley Technologies was incorporated in 2016 and focuses on applied sciences and research and development within the renewable energy sector. The company aims to address industrial emissions by transforming them into critical supply chain components.

Headcount data for the business varies between sources, with the most recent statutory accounts recording seven employees, while LinkedIn profiles show a team of 14. The company operates from its headquarters in Harpenden and specializes in direct air capture, CO2 conversion, and the production of advanced materials. Its technology is positioned as a solution for reducing emissions while securing critical material supply chains for industrial manufacturing.