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Our Regions

Wherever you are, we are. Penspen combines global engineering experience with local project capabilities in over 100 countries worldwide.

Explore Our Regions

UK & Europe

With 70+ years experience in the oil and gas industry, we have a strong heritage across the UK and Europe. Originally specialising in cathodic protection and construction supervision, Penspen was founded in the UK in 1954 as Spencer & Partners. We now cultivate our long engineering heritage to help serve evolving energy needs and deliver solutions across the entire project lifecycle.

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Middle East & Africa

Penspen’s Middle East & Africa Regional Headquarters is in Abu Dhabi, serving as the focal point for regional activities. Our Kingdom of Saudi Arabia Regional Headquarters, located in Al Khobar, boasts a dedicated team of 100+ employees. With additional project offices in Qatar, Iraq, and Kuwait, Penspen effectively provides diverse project capabilities across the Middle East & Africa.

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US & Latin America

Since acquiring Greystar Corporation in Houston, our footprint has strengthened across Texas and the Gulf of Mexico. We have a robust presence in key energy sectors, including the Eagle Ford Shale area of South Texas, the Marcellus region in the Northeast, and the Bakken Shale in the Williston Basin. Our track record extends beyond borders, encompassing Mexico, Venezuela, and the wider Americas.

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Since establishing our Bangkok office in 1982, we’ve cultivated a robust presence throughout the Asia-Pacific region. Our footprint extends across Vietnam, Indonesia, Australia, Malaysia, India, and China. We offer a comprehensive range of services, encompassing engineering, project management, total program management, asset management, asset integrity, and training.

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Speak to Our Energy Experts

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Penspen Corporate Headquarters

Penspen’s Corporate Headquarters, situated at 150 Holborn, London, serves as the central hub uniting Penspen and all other Sidara brands under one roof. This integration allows us to provide clients with a comprehensive range of highly specialised services, including architecture and design, engineering, project management, digital strategy, sustainability consulting, and energy innovation—all seamlessly integrated under a single umbrella.

150 Holborn
United Kingdom
+44 (0) 20 8334 2700

Our Regional Headquarters

Abu Dhabi

2nd, 3rd & 4th Floors
Business Avenue Tower
Al Salam Street
Abu Dhabi
United Arab Emirates
+971 2 6792526

Kingdom of Saudi Arabia

11th Floor
Al Khobar Gate Tower
King Fahad Road
Al Khobar
Kingdom of Saudi Arabia
+966 13 899 956


Samarkanda 306 Piso 3
Colonia Tabasco 2000
CP 86035 Tabasco
+52 993 319 141


24 Greenway Plaza
Suite 1712
United States of America
+1 (713) 953-7007

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