Advanced underwater solutions.

Four decades of subsea precision. Charlie Frey delivers underwater ship repair, marine maintenance, and marine construction — anywhere in the world, on time, on spec.

DIVE OPS / LIVE FEED
Depth
47.0m
Water Temp
12°C
Visibility
14m
Status
ACTIVE
LAT 26.1224° N  /  LON 80.1373° W 00:00:00 UTC
SCROLL
Underwater Welding Propeller Polishing Hull Cleaning Thruster Repair Marine Construction Class Approved 24/7 Response Global Deployment ISO 9001 IMCA Certified Underwater Welding Propeller Polishing Hull Cleaning Thruster Repair Marine Construction Class Approved 24/7 Response Global Deployment ISO 9001 IMCA Certified

Engineering below the waterline.

For more than forty years, Charlie Frey has kept the world's commercial vessels operating — pier-side, at anchor, or at sea. Our class-approved divers, engineers, and naval architects execute complex subsea work to exacting standards, minimizing off-hire time and maximizing fleet availability.

0+
Vessels Serviced
0
Years of Operation
0
Ports Covered
0%
On-Spec Delivery
Charles Frey — Founder & Principal Engineer CHARLES FREY · FOUNDER & PRINCIPAL ENGINEER
ABOUT THE FOUNDER

A family legacy, carried forward.

A seasoned subsea commercial engineer with more than thirty years of experience, Charles carries forward a family legacy of dedication and innovation in subsea engineering.

Starting in the family business, he honed his skills and grew into a trusted industry leader — balancing deep technical expertise with disciplined commercial strategy. His commitment to tailored solutions ensures safe, efficient operations while meeting the most complex subsea challenges.

Driven by a passion for excellence, Charles leads a team dedicated to pushing the boundaries of subsea engineering, delivering innovative, high-quality solutions to clients worldwide.

Experience
30+ YRS
Discipline
SUBSEA
Legacy
FAMILY
CORE CAPABILITIES / 05

Precision where water meets steel.

Five integrated disciplines, one accountable crew. Whether you need an emergency propeller polish overnight or a full dry-dock deferral across a twelve-ship fleet, our teams mobilize fast and document every step.

01 / WET WELD

Underwater Welding

Class-approved wet and hyperbaric welding on hull plating, ballast tanks, and structural members — executed by AWS D3.6 certified welders.

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02 / HYDRODYNAMIC

Propeller Polishing

Surface restoration to ISO 484 Class S. Restores hydrodynamic efficiency, cuts fuel consumption by up to 8%, and lowers cavitation noise signatures.

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03 / BIOFOULING

Hull Cleaning

Eco-compliant in-water hull cleaning with effluent capture. Restores vessel speed and fuel efficiency without disrupting antifouling coatings.

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04 / DRIVE SYSTEMS

Thruster Repairs

In-situ rope cutter installation, blade replacement, and seal repair on azimuth and tunnel thrusters — no dry-docking required.

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05 / INFRASTRUCTURE

Marine Construction

Pile driving, pier rehabilitation, intake structures, and subsea concrete work — from survey to sign-off, delivered to marine engineering standards.

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06 / 24/7 DESK

Emergency Response

Round-the-clock dive teams on stand-by. Average mobilization under six hours in home ports, under twenty-four hours globally.

Dispatch Now
FLEET.IO / PROPRIETARY PLATFORM

Every dive, logged in real time.

Charlie Frey's cloud-based reporting platform delivers live inspection data, photo and video evidence, thickness gauge readouts, and corrective action logs directly to technical superintendents — while divers are still in the water.

Integrated with common fleet management systems including ABS NS, DNV ShipManager, and IBM Maximo.

See the Platform
FLEET.IO / CONSOLE ● LIVE
VESSELM/V ATLAS HORIZON
IMO9847221
WORK ORDERCF-24-8841
DIVERCAMPBELL, J. · ADCI
HULL SECTIONS CLEANED
78% / 12 PANELS REMAINING
PROPELLER CLASS TARGET
ISO 484 CLASS S — CONFIRMED
GLOBAL NETWORK / 24+ PORTS

Wherever your fleet makes port.

Our hub-and-spoke model keeps class-approved dive crews within operational range of every major commercial port. Rapid response is engineered into the network, not bolted on.

Permanent stations in the Americas, Europe, Middle East, and Asia-Pacific, backed by a global roster of freelance master divers on retainer.

View Global Presence
Global underwater operations LAT 1.2897° N / LON 103.8501° E — SINGAPORE
SELECTED WORK / 2026

Case files.

A sampling of recent deliveries. Each engagement is documented in our cloud platform and available to classification societies on demand.

All Case Studies
CF-26-8841 2026 / MAR

M/V Atlas Horizon — Emergency Propeller Recovery

Class S restoration after fishing gear entanglement, delivered at anchor off Rotterdam in under 40 hours — vessel maintained schedule.

Propeller PolishingEmergencyROTTERDAM
CF-26-8776 2026 / FEB

VLCC Pacific Crane — Thruster Seal Replacement

In-water replacement of main tunnel thruster seals, eliminating the need for a 14-day dry-dock diversion. Saved an estimated $2.1M in deferred revenue.

Thruster RepairVLCCFUJAIRAH
CF-26-8602 2026 / JAN

Port of Houston — Pier 32 Pile Rehabilitation

Structural repair of 42 reinforced concrete piles using our proprietary subsea form system. Delivered ahead of schedule with zero lost-time incidents.

Marine ConstructionPort InfrastructureHOUSTON
24 / 7 DISPATCH DESK

When your vessel needs work below the waterline, we go.

Speak to an engineering account manager. First response within 30 minutes — day or night, anywhere in the world.