The World’s offshore welding partner

Deep and ultra-deep water is becoming more prevalent in our scope of work. With capabilities to deliver automatic and manual welding of a wide range of materials and fabrication full service solutions ensuring complete implementation of requirements, we can ensure that your deep and ultra-deep needs will be met, and your projects will be fully supported by our specialized teams.

With our historical expertise in the operation of spoolbases worldwide, we shape our services to optimize welding, inspection, and field joint coating results for our customers. Thanks to our proprietary technology, we can deliver adapted solutions while retaining flexibility and meeting worldwide demands for high performance.

Delivering unique expertise and solutions

Serimax offers specialist expertise for the offshore market. We provide personnel, project, operations, and site management for welding or full firing line services. Trunklines, flowlines, risers: we weld any material grade to the highest specifications.

Developing the most advanced and reliable technology

Our in-house engineering and designed welding technology is a vector for achieving superior quality on our customers most challenging offshore projects. Our technology sets industry records in productivity and quality for all type of offshore pipelines requirements (S-Lay, J-Lay, and Reel-lay).



Offshore Pipelines

Trunklines, flowlines, Steel Catenary Risers (SCR)

Subsea Fabrication

PLEMs, PLETs, manifolds, spools, jumpers

Our offshore services

Offshore pipelay

Premium quality, leading productivity, innovative technology, a talented and driven workforce: a combination which has built Serimax’s field-proven recipe for success as the leader in offshore welding operations and services onboard our customers’ offshore pipelay assets from the shallow waters of South East Asia and the North Sea, to the Ultra-deep seas of Australia, West Africa or the Gulf of Mexico.

Offshore Datasheet

Fabrication services

We have a proven track record in fabrication, both on and offshore.  We take the responsibility of meeting quality, dimensional control and welding specifications to meet the most demanding criteria. Our expertise and welding technology have been developed to provide the best solution to meet today’s and future generation of welding specifications, whilst delivering high productivity and minimal repair rate of less than 0.2%.

Fabrication Datasheet


Spoolbase management solutions

As the world’s leading supplier of spoolbase management services, we have worked with virtually every reel pipelay vessel in service. With our historical expertise in the operation of spoolbases worldwide, we can shape our services to optimise welding and inspection results for our customers every time.

Multi-jointing solutions

We specialise in double, quad and multi jointing on both fixed and project locations, in support of our clients to meet their tight project schedules. This concept optimises production by welding fewer joints off shore, whilst minimising welds on the critical path reducing the offshore vessel days. This process is both flexible and versatile and offers our clients a cost effective solution.

Spoolbase and Multi-jointing Datasheet