Trusted geotechnical solutions for complex ground conditions

Solum Saxum Consultants are a geotechnical engineering practice dedicated to providing expert analysis, design, and consultation to support construction, infrastructure development and environmental projects.

Our services

From desk-based Preliminary Risk Assessments to complex site investigations, we ensure your project starts with a solid foundation.

Our team creates strong foundations

We build more than just structures - we build trust. Through honest, transparent, and reliable collaboration, we form strong relationships that lead to better outcomes. Working closely with clients and partners, we lay the groundwork for success on every project.

Get in touch

David Frayne

Managing Director

David is a determined and enthusiastic Chartered Geotechnical Engineer with 20 years’ design experience across a broad spectrum of engineering disciplines.

He prides himself on a common-sense approach, with a strong focus on early and key stage risk management.

His ability to combine deep technical knowledge with clear communication and strong client relationships has been key to the successful delivery of projects in aviation, rail infrastructure, highways, and building development.

Connect with David on LinkedIn

Nigel Ramsumair

Director

Nigel is a Chartered Geotechnical Engineer with 17+ years’ experience across infrastructure, residential, and commercial projects.

Known for his calm, methodical approach, he combines technical expertise with a practical mindset. He’s especially interested in slope stability and deep foundations - and never shies away from the tough questions.

He says he doesn’t think about soil outside work, but we’re not convinced.

Connect with Nigel on LinkedIn