Global Subsea Engineering & Well Control Specialists
“Excellence Beneath the Surface”
Subseaquence delivers specialised offshore engineering and maintenance services, with world-class expertise in well control, electrical, and mechanical support for subsea equipment including Blowout Preventers (BOPs).
With over 1,000 projects successfully completed and a perfect TRIR of 0.00%, we combine technical excellence with uncompromising safety. Our services include project management, in-between well maintenance (IBWM), subsea inspections, commissioning, and Special Periodic Surveys (SPS), ensuring every operation is executed flawlessly.
Since 2013, we’ve partnered with leading drilling contractors across platforms, jack-ups, semi-submersibles, and drillships. Headquartered in the UK and operating across global offshore locations, Subseaquence delivers precision, reliability, and expertise—truly excellence beneath the surface.
OFFSHORE ASSETS
Through early engagement, our multi-disciplinary teams can deliver the right solutions for customers who want quality workmanship at an optimised cost. We provide various approaches for all assets, including UDW rigs, such as drillships, semi-submersibles, and surface equipment for platforms and jack-ups. Our engineering services and enabling technologies protect the integrity and optimise the performance of your well control equipment.
PEOPLE ARE OUR BUSINESS
Offering a team of 80 industry-renowned contractors, we have completed over 1000 projects over the past eleven years. Our dedicated team performs to the highest legislative API 53 standards, covering a wide range of international projects. Our customers include 15 of the world’s leading multinational drilling contractors and operators. In one of today’s most safety-critical industries, we have a 100% safety record with over 700,000 completed man-hours and a perfect Total Recorded Incident Rate (TRIR) of 0.00.
GLOBAL COVERAGE
We provide a full range of logistic services support to our customers. With over 800 completed projects, we have the experience, resources and travel coordination to assist with requirements in often high-risk and complex international locations. Together with our partners, we can ensure that our customers are fully supported and informed about crew travel, visas and any challenging unique regional legislation.
Contact us.
Subseaquence Ltd
167-169 Great Portland Street,
5th Floor, London, W1W 5PF, UK