Defence Holdings PLC (LON:ALRT)
London flag London · Delayed Price · Currency is GBP · Price in GBX
1.239
-0.031 (-2.44%)
Mar 5, 2026, 4:26 PM GMT

Defence Holdings Company Description

Defence Holdings PLC develops and acquires defence technologies, focusing on AI-enabled systems, cyber-defence, secure communications, autonomous drone systems, and critical infrastructure protection.

The company’s platform model allows rapid development and deployment of solutions across multiple defence domains, including AI agents for defence operations, information and influence warfare, drone warfare and aggregation, and critical infrastructure defence.

The company has a strategic collaboration with Gloucestershire Police to deliver a Proof-of-Value (PoV1) programme for AI-enabled automation of ROVI (Record of Video Interview) and ROTI (Record of Taped Interview) reporting.

The company was formerly known as Cassell Capital Plc and changed its name to Defence Holdings PLC in May 2025.

The company was incorporated in 2019 and is headquartered in London, the United Kingdom.

Defence Holdings PLC
Country United Kingdom
Founded 2019
Industry Aerospace & Defense
Sector Industrials
Employees 37
CEO Jasmine Skee

Contact Details

Address:
72 Charlotte Street
London
United Kingdom
Website defenceplc.com

Stock Details

Ticker Symbol ALRT
Exchange London Stock Exchange
Fiscal Year April - March
Reporting Currency GBP
ISIN Number GB00BMWVF760
SIC Code 7900

Key Executives

Name Position
Brian Stockbridge Executive Director and Secretary
Andrew McCartney Chief Technology Officer and Executive Director