Portobello-RMF Engineering Ltd

About us

Portobello-RMF specialises in the mechanical design, thermal design, and fabrication of process plant equipment. Our skilled expertise applies to a broad range of fabrications, such as heat exchangers, pressure vessels, skid packages, pipework and other bespoke, high integrity fabrications, all to meet the requirements of International Design Codes such as, ASME VIII Division 1 and 2, EN13445, PD5500 and client specifications.

As an accredited company across numerous quality standards such as ASME U, ISO 9001:2015, ISO 3834-2:2021, ISO 45001:2018 and Lloyds Register Rules for Submersibles and Diving Systems, we adhere to the highest industry standards for both quality and safety.

With over 90 years of experience, Portobello-RMF can offer a competitive and technical resolute solutions for pressure vessel design, engineering, fabrication and specialist welding on vast material grades. Our expertise supports various industry sectors, including oil and gas, petrochemical, chemical, pharmaceutical, nuclear, subsea and Defence.

We deliver precision-engineered solutions for a range of subsea applications, including:

Submarine Manufacturing: Rescue submarines, research submarines, tourist submarines, and unmanned submarines.
Pressure Vessels: HRC Vessels, DDC Vessels, TUP Vessels, Diving Bells.
Structural & Support Equipment: Connecting Trunkings, custom steelwork.

Portobello-RMF holds vast knowledge and experience in the subsea sector. As a worldwide leader in the manufacture of Submarine pressure hulls that undergo stringent compliance regulations, Portobello-RMF are a trusted and accredited manufacturer that holds the Lloyds Register Rules for Submersibles and Diving Systems Class 1 approval for subsea equipment manufacturing and welding.