Portfolio
Businesses and interests built for the long term.
Sandend House holds and stewards a focused portfolio of operating companies, intellectual property and long-term interests.
The portfolio is built around sectors where technical capability, operational knowledge and retained ownership can create durable value.
Advanced Technology
The RLK Group
Founded by Calum Knox
A UK technology group developing artificial intelligence, autonomous systems, defence software, simulation and operational analytics.
The RLK Group operates through two principal companies, with several technology platforms and products developed within them.
RLK Technologies
AI-driven platforms for operational analytics, urban intelligence and commercial applications.
Platforms: UrbanAnalytix
RLK Defence
Autonomous systems, counter-UAS solutions and defence software for contested environments.
Platforms: AI-AV, Helais, UAVSimNet
Property Technology
Letwise
Founded by Calum Knox
A property technology and lettings platform designed to reduce management friction, improve transparency and automate routine property-management processes.
Visit Letwise