About us
A marine engineering company built by people who have been on deck
Greendreams Subsea Cable Service is a trusted engineering partner for carriers, hyperscalers, energy operators and governments building resilient connectivity across oceans.
Founder
Fernando Sanchez
Founder & Chief Executive Officer
Fernando Sanchez began his career offshore, working survey and installation campaigns across the Atlantic and West Africa before moving into route engineering and project delivery. Two decades at sea and in the design office convinced him that the industry needed a contractor able to own the whole lifecycle of a system — study, permitting, lay, protection, monitoring and repair — rather than hand clients between suppliers at every phase.
He founded Greendreams in Los Angeles in 2009 with a small survey team and a simple standard: nothing goes in the water that the engineering has not fully justified. That standard shaped the company's burial methodology, its reef-sensitive landfall practice and its insistence on 24/7 in-house monitoring rather than outsourced alarms.
Today Fernando leads a global organisation delivering across seven regions, and still personally chairs the technical review for every deep-water campaign the company undertakes.
"The cable is the easy part. Understanding the seabed you are asking it to survive on for twenty-five years — that is the engineering."


What we specialise in
Offshore telecommunications
Connectivity for platforms, wind farms, islands and remote coastal communities.
Fibre optic submarine cables
Wet plant engineering, jointing, terminal integration and acceptance testing.
Marine engineering
Burial, protection, crossings, landfall civils and seabed intervention.
Cable maintenance
Zone agreements, depot spares and guaranteed vessel availability.
Network infrastructure
Landing stations, power feed equipment and terrestrial backhaul.
Engineering consultancy
Feasibility, permitting strategy and lender's technical advisory.
Milestones
Seventeen years of building beneath the surface
2009
Founded in Los Angeles
Fernando Sanchez establishes Greendreams as a marine survey consultancy.
2013
First full system delivery
Turnkey unrepeatered system delivered across the Caribbean basin.
2017
Fleet partnership
Long-term charter of two cable-lay and maintenance vessels.
2020
24/7 network operations centre
Global NOC opened, providing continuous optical integrity monitoring.
2023
500th project
Milestone reached across 35 countries and seven regions.
2026
Low-impact burial programme
New reef-sensitive burial methodology adopted fleet-wide.