Jonryn Ltd

Jonryn Ltd is an engineering consultancy based in Newcastle Upon Tyne, UK, specializing in quality assurance, welding services, and mechanical engineering support for the oil and gas industry. The firm provides comprehensive assessment and compliance services, helping organizations verify their quality systems and processes against established industry standards. Jonryn offers contracted assessment services, procedure development, and technical evaluation tailored to clients' specific operational needs.

The company also supplies bespoke and standard training materials—including plastic pipe and plate samples with realistic welding imperfections and surface finish damage—enabling organizations to conduct in-house welder visual inspection training in compliance with EN standards. Beyond assessment and training, Jonryn delivers fabrication and welding services, coating and fire protection solutions, and mechanical engineering expertise, making it a full-service partner for organizations seeking to maintain compliance, develop technical capability, and execute specialized engineering work in demanding industrial environments.