PhysicsX Secures $135 Million in Series B Financing Led by Atomico
Deal News | Jul 01, 2025 | Taylor Wessing

In a significant move, Taylor Wessing has advised Siemens on its $135 million Series B investment into PhysicsX, a pioneering London-headquartered physical AI start-up. Founded by former Formula One engineers, PhysicsX aims to transform engineering and manufacturing with a software stack that provides deep AI enablement across the engineering lifecycle. This substantial funding round, led by Atomico and co-invested by Applied Materials, Temasek, and General Catalyst, values the company close to $1 billion. The funds are intended to fuel the company's global expansion and enhance the industrial adoption of its enterprise software platform in sectors such as aerospace and defence, automotive, semiconductors, materials, and energy.
Sectors
- Artificial Intelligence
- Engineering and Manufacturing
- Venture Capital
Geography
- United Kingdom – PhysicsX is headquartered in London, designating its core geographic operation.
Industry
- Artificial Intelligence – PhysicsX is pioneering in the field of AI, specifically physical AI, which plays a crucial role in the development of new software for the engineering and manufacturing sectors.
- Engineering and Manufacturing – PhysicsX aims to revolutionize engineering and manufacturing with its AI-driven software, signifying their direct involvement in this industry.
- Venture Capital – The article details a substantial investment in a Series B funding round, indicative of the venture capital industry engagement.
Financials
- $135 million – The total amount raised in PhysicsX's Series B financing round.
- $1 billion – The valuation of PhysicsX following the Series B financing.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| PhysicsX | Target company | Company | A London-based physical AI start-up founded by former Formula One engineers, focusing on AI enablement in engineering. |
| Siemens | Co-investor | Company | A global technology company that has invested in PhysicsX as part of the Series B funding round. |
| Atomico | Lead investor | Company | A European-based venture capital firm leading the Series B financing. |
| Applied Materials | Co-investor | Company | A company involved as a co-investor in the Series B round. |
| Temasek | Co-investor | Company | A Singapore-based investment company participating as a co-investor. |
| General Catalyst | Co-investor | Company | A venture capital firm also acting as a co-investor in this funding round. |
| Taylor Wessing | Legal advisor | Company | A law firm advising Siemens on its investment in PhysicsX. |