Trusted Around the World
From regional operators to global energy leaders, Mainstay adapts to diverse marine assurance standards in over 20 countries and counting.

Strategically Positioned for Global Support
With offices in Europe, North America and South America, our team is positioned to provide expert support across the globe. These locations reflect our commitment to being close to our customers - wherever they operate.
UK, Head Office
Birmingham, UK
Based in Birmingham, UK, our head office is a central integral hub to our expansive global network.
Situated close to the heart of the city, this location is home to a dedicated team of over 40 talented people.
Our office space offers a vibrant, modern design to inspire innovation, collaboration, and forward-thinking. This is where our team of professionals works relentlessly to drive our vision forward, guided by our commitment to excellence and customer satisfaction.
Three Devon Way
Longbridge
Birmingham
B31 2TS
United Kingdom

North America
Houston, Texas
Our North American headquarters is strategically located in the vibrant city of Houston.
Our placement at the center of the dynamic oil and gas industry not only places us in proximity to the pulse of energy innovations, but also brings us closer to many of our esteemed customers.
Our Houston office serves as our cornerstone in the region, fostering strong ties with key industry stakeholders and enabling us to better understand and meet our clients’ needs.
Texas Tower
845 Texas Ave
Suite 200
Houston
TX 77002
United States

South America
Buenos Aires, Argentina
Our Argentina office serves as a pivotal center for marine assurance development and implementation across the region.
Nestled in the heart of Argentina, this hub of innovation and expertise plays a crucial role in bolstering marine safety standards, continuously driving improvements in planning, implementation and operation of marine vessels and terminal facility safety practices.
With a dedicated and proficient location based team, who hold first hand knowledge and experience of regional industry practices, we are steadfast in our commitment to support and steer the regional marine assurance landscape towards a safer, more sustainable future.
Uruguay Street
nbr 345
5th Floor
Buenos Aires City
(1015)

Mainstay in Action Around the Globe
Our technology is trusted by organisations across the world.
Trusted Worldwide
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