Thoughtful Investor® Approach
Learn more about our Thoughtful Investor® approach in this short video
Calnex provides testing equipment to the world’s telecoms network operators, network providers, systems suppliers, laboratories and network manufacturers, enabling its customers to validate the performance of the critical infrastructure associated with telecoms networks.
With an established leadership position in the test and measurement industry, Calnex serves many global companies.
Founded in 2006 and still led by its founder, Calnex is based in Linlithgow with other locations in Belfast and California, supported by sales teams in China and India. Calnex also has a global network of partners and distributors.
Detailed testing is a fundamental requirement in the design of all technology networks. Since global telecom networks are so different and constantly evolving, advanced test solutions are essential to meet the demands of rigorous international standards and to support ongoing technical progress, such as increased speeds.
Learn more about our Thoughtful Investor® approach in this short video
Learn more about how we screen investments and find out about the controversial services and sectors we wouldn't invest in
Learn why we're known as the Thoughtful Investor® with Castlefield founder John Eckersley
Information is accurate as at 10.12.2025. Opinions constitute the fund manager’s judgement as of this date and are subject to change without warning. The officers, employees and agents of CIP may have positions in any securities mentioned herein. This material may not be distributed, published or reproduced in whole or in part. With investment, capital is at risk.
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