Offshore Vessel Upgrades delivered end-to-end

Retrofits, Conversions & Mobilisations

done reliably and cost-effectively

Tell us what you need to get done

About Us

Meeting the Evolving Demands of the Offshore Energy Industry

Offshore operations—whether in oil & gas or wind—require precision, minimal downtime, and highly specialized capabilities, all under strict regulatory standards.

GLO Marine brings deep expertise in supporting vessel owners and operators with tailored solutions that keep fleets efficient, compliant, and ready for the challenges of offshore work. We offer end-to-end retrofit, upgrade and mobilization services. Our dedicated offshore engineering team manages every step—from concept and design to installation.

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Minimal downtime

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Specialised riding crews

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Turnkey Project

HOW WE DO IT

Complete control over the project lifecycle

We manage every step of your vessel upgrade in-house—from early feasibility through final installation—ensuring full control, fewer delays, and a seamless experience. Our integrated team of engineers, project managers, and field experts and technicians works as one to deliver on time, every time.

01

Concept

We engage early in the feasibility phase to align technical solutions with operational needs and select the best-fit upgrade for each vessel.

02

Design & Engineering

With naval architecture at our core, we deliver precise, integration-ready designs that meet the demands of complex energy projects.

03

Procurement

We handle the full procurement and fabrication process, coordinating with all suppliers to simplify logistics and ensure readiness.

04

Installation

Our teams provide skilled manpower, supervision, and project management to ensure efficient, compliant installation with minimal downtime

Services

The main services

We specialize in retrofit, upgrade, and mobilization projects across the offshore fleet—whether it’s preparing a vessel for a new contract, adding mission-specific capabilities, integrating green tech, or ensuring regulatory compliance.

Subsea & Specialized Equipment
  • Crane installations, winch and mooring system retrofits

  • Deck reinforcements for heavier loads or subsea operati

Subsea & Specialized Equipment
  • Launch & Recovery Systems (LARS), ROV garages, diving support infrastructure

  • Cable-laying or survey equipment for multi-role OSVs

Power & Propulsion
  • Engine overhauls, alternative fuels (LNG/methanol), hybrid propulsion

  • Generators, shaft alternators, and energy-efficiency measures

Marine Systems
  • Piping overhauls (corrosion, undersized capacity)

  • Upgraded firefighting, ballast, and bilge systems

Accommodation & Safety
  • Crew quarter expansions, HVAC and habitability enhancements

  • Compliance with SOLAS, SPS, or IP Code requirements

Automation & Control (DP & Beyond)
  • DP upgrades (DP1/DP2/DP3), software integration

  • Sensor calibration, advanced controls for thrusters or station-keeping

Explore Our Services

Why us?

We combine deep technical know-how, hands-on execution, and smart project management—built around a streamlined, plug-and-play process that minimizes downtime and simplifies complexity. Our engineers, field teams, and project managers work as one to deliver integration-ready upgrades, solve real-world challenges fast, and keep your project in budget and on schedule.

Offshore-Focused Expertise

Proven track record upgrading PSVs, AHTS vessels, MPSVs, and other complex offshore units.

Trusted by top-tier offshore operators and contractors.

Engineering Excellence

Class-approved, integration-ready designs delivered by in-house naval architects and engineers.

Specialists in complex retrofits and system integration.

Proactive Management

Tight control over planning, schedule, and costs.

Dedicated project managers ensure clear reporting and on-time delivery.

Seamless Execution

You get one point of contact and full in-house delivery—from engineering to installation—for faster decisions and smoother coordination.

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Our clients

Trusted by

Our top-notch customer support and comprehensive skill set position us as your ideal engineering partner for time-sensitive and
complex projects. That's why the following put their trust in us: 

“Bureau Veritas had a collaboration with GLO Marine for structural Finite Element modeling and analysis. The scope of work was yield and fatigue analysis for an offshore unit.We are very satisfied with their technical abilities, efficiency and understanding of therules and tools used. We definitely recommend them for their agility, proactivity and excellent communication skills.”

Răzvan Bidoae, Marine Manager at Bureau Veritas România

“Working with GLO MARINE on our turnkey BWTS installations has been a positive experience throughout. Their execution of these projects has been very good, and I now consider them valued partners in our operations. GLO MARINE’s expertise and dedication have not only ensured smooth installations but also brought me peace of mind throughout the process. I highly recommend their services to any vessel manager looking for a one-stop-shop kind of service.”

Raluca Neculai, Vessel Manager at Bourbon Offshore

“Working with GLO Marine’s team on BWTS retrofit projects has been a really good experience. Their valuable engineering expertise, exceptional project management skills, and unwavering commitment to excellence have brought immense value to our collaboration. When it comes to retrofits, I can honestly say I’ve never had the opportunity to work with a more capable team than theirs.”

Marian Lazăr – Project Manager at VMS Group

“I must say the experience working with Dan and his teammate Lucian from GLO MARINE has been exceptional. They clearly know what they’re doing, and I would surely recommend Liviu and the GLO Marine Team for any retrofit project.”

Mohit Sabharwal, Engineering Manager at Britoil Offshore

“For the conversion of Thor Omega, to comply with DNV-GL SPS, and add a section module to the superstructure, we choose GLO Marine to assist us with stability and structural analysis. We are very pleased with GLO Marine’s performance in this project. We really felt we were in good hands for the entire duration of the project, giving us peace of mind. Mest looks forward to our further cooperation with the GLO team.”

Karstin Kristiansen, Design & Project Manager at MEST Shipyard

Contact us

Do you have a project coming up? Tell us what you need to get done!

GLO Marine is here to guide you toward safer and more efficient way of upgrading your vessel. Let’s discuss your vessel’s specific needs and map out a plan that delivers real results.

Request a Feasibility Study

Provide basic info on your OSV (type, capacity, location, desired modifications), and our engineering team will propose a tailored solution.

request a feasibility study

Book a Consultation

Jump on a call or schedule an in-depth discussion with our offshore specialists to explore your options and timeline.

book a consultation

For urgent inquiries, call us at +40 (0) 747 373 599 or contact@glo-marine.com. We look forward to shaping your vessel’s future.