Sumergia

Commercial Diving

Who We Are

Sumergia, S.A. is an independent company launched in 2002 by the engineers Antonio Valverde and Ramón Alia who are still with the company today as Managing Director and Project Management Director, respectively.

About Company-Services

Sumergia is an international underwater contractor specializing in services for submarine cable, hydropower, oil and gas and construction industries.

Based in Spain , Sumergia provides a range of service including diving, ROV operations and survey work for:

Shore-End Submarine Cable 

Shore-end submarine cable system survey/report, installation support, burial, articulated pipe application, repair/maintenance and recovery/disposal. 

Hydropower 

Hydropower plant inspection, maintenance, repair and creation of in-water dry spaces to rehabilitate mechanisms. 

Offshore 

Offshore jacket and pipeline survey, maintenance and repair.

SPM 

Desalination / Water Treatment 

Desalination plant : water intake and brine outlet. 

Water treatment plant : water outlet 

Civils 

Harbour, Bridge pillars… 

Other 

Other activities, dredging, welding,

pipeline installation, rope access…

Find out more 

Assets 

Sumergia team 

All underwater operations are supported by Sumergia’s own teams of qualified and experienced divers.

Every employee, including offshore project managers who may be required to travel to a worksite are required to undergo medical examinations and safety training in accordance with the statutory regulations of the country in which they have required to work.

All of them have many years of experience training in the relevant disciplines. 

Diving systems

Surface supplied system

3x Container dive control 20 ft
including decompression chamber

4x Dive Control without decompression chamber

2 x Mixed Gas Wet Bell

2x Diver Basket and Lars

Scuba spreads

3x Davit

ROV 

5x Observation ROV 

Shore End Cable 

Fairlead Quadrants

Tone Injectors and Cable Trackers

Load Cells

Winchs

Burial Systems

Testing 

Ultrasonic Wall Thickness Measurement

Cathodic Protection

Magnetic Particle Inspection

Flooded Member Detection

Engineering 

Floating And Other 

Pontoons

Motorboats

Transfer bell

Video tv and photo spreads

Depth meters

Air lifts

Air bags

Reporting

Work History

Our References

We work for different types of clients, typically major Communication, Electrical, Oil and Gas and Civils Industries.

HSEQ

Sumergia is known for its safety record

Sumergia is accredited to the UNE-EN ISO 9001-2015, UNE-EN ISO 14001 – 2015 and UNE-EN ISO 45001-2023 standards

Business Mission Statement

To deliver the highest standards of safety through our Company Safety First Culture and Safety Management System

To deliver operational excellence and the highest standards of quality performance

Develop the services of our key asset – our multi disciplined and highly experienced dedicated personnel – both offshore and onshore

Champion the provision of innovative ideas and cost effective solutions for the benefit of our clients

Foster the development of exclusive relationships with our strategic suppliers.

Contact

Head Office

  • Sumergia S.A.
  • C. Calibre, 33, 28400 Collado Villalba, Madrid (Spain)
  • +34 850 77 20
  • sumergia@sumergia.com