A large vessel and deck crane working at an offshore site at sunset
SCROLL
FROM PLANNING TO COMPLETION

At the final stage of your project, K1 completes it

Delivering the entire commissioning process for the shipbuilding, offshore and energy industries under a single line of responsibility, K1 Co., Ltd.

One Company · Two Domains
K1Offshore · Plant
  • Offshore Plant
  • FPSO
  • Onshore Plant
Integrated CommissioningProject Coordination · Technical Expertise
K1 OCEANMarine
  • Commercial Vessel
  • Special Vessel
  • LNG Carrier
E&I&M Commissioning
20Years
Core engineers' field experience
9Years
Founded · Since 2017
18B KRW
2025 revenue
260Staff
Commissioning professionals
A commissioning engineer testing a power circuit with a multimeter in front of a switchboard
/ 01  About Us

An integrated commissioning partner
proven by trust

Built on accumulated expertise and field experience, K1 turns the results of design and construction into stable start-up and operation. Taking responsibility for that entire journey — from the first step to the final moment — is our role.

Clear StandardsTrust

Every decision rests on clear principles and evidence. Consistent operations and transparent communication set our standard of trust.

Flexible CollaborationCollaboration

We work openly so that clients, partners and our own people move in the same direction, creating better outcomes together.

Firm ResponsibilityResponsibility

How work ends matters more than how it begins. We deliver the promised quality and schedule, responsibly, to the last moment.

/ Brands

One group,
two fields of expertise

K1 for offshore and plant, K1 OCEAN for shipbuilding and marine. Two brands connecting technology and operations on their own sites.

K1
K1 K1 Offshore & Integrated Commissioning
Global Engineering & Turnkey Commissioning Partner

The capability to connect technology and operations,
a steady centre for project execution

K1 supports client projects with reliability, built on accumulated technical strength and field experience.

We understand how a site runs, and from the moment a client needs us through to completion we connect people and technology at the closest possible range.

Responding to the shift toward eco-friendly, high-efficiency technology in the global shipbuilding industry, we are growing into a dependable engineering partner.

As the force that moves today's sites, we build a better tomorrow for the industry together.

K1 OCEAN
K1 OCEAN K1 OCEAN Marine Service
Turnkey E, I, T, M Commissioning Specialists

With execution that leads the flow of the site,
a complete partner from start to finish

K1 OCEAN provides the technical support and on-site response that shipbuilding and marine projects require.

We deliver precise, dependable support across a vessel's many processes and technical requirements, staying with the project through to a smooth completion.

Amid rapid change in the energy industry, we draw on technical expertise and deep field experience to provide safer, more efficient service as a partner who walks alongside our clients.

/ 02  K1 Capability

Core capabilities,
one system

Not isolated skills, but an integrated commissioning execution system that understands the vessel as a whole and takes responsibility for the project's final moment.

Integrated Commissioning System
01

Full-Ship Commissioning

The capability to commission a vessel's entire power and control system as one.

02

High Voltage System

Testing and grid integration of generators, transformers and HV switchgear.

03

Integrated E&I

Interface and system verification across electrical and instrumentation systems.

04

Commissioning Workforce

HV specialist engineers and a workforce ready for immediate deployment.

05

Early-stage Risk Control

Early involvement during construction to reduce punch items and minimise rework.

06

Equipment & Standards

Specialist test equipment and safety management based on PTW and JSA.

/ 03  Business Areas

The technology that brings systems to life,
delivered by K1

We deliver one-stop commissioning across electrical, mechanical, instrumentation, HVAC and navigation & telecom.

An electrical room lined with high-voltage switchboards and switchgear — electrical commissioning site
01Electrical

Electrical Commissioning

  • Integrated commissioning of high-voltage and power systems
  • Synchronizing / load test / PMS verification
  • DP & FMEA commissioning
Pump and compressor piping in an engine room — mechanical commissioning site
02Mechanical

Mechanical Commissioning

  • Testing of rotating and static equipment — pumps, compressors, valves
  • Verification of equipment function and operating condition
  • Confirmation of system stability and performance
Transmitters and control valves — instrumentation commissioning site
03Instrumentation & Control

Instrumentation Commissioning

  • Calibration & loop check
  • Verification of control valves, transmitters and measurement systems
  • Control logic verification based on C&E testing
Cargo oil and ballast piping, deck machinery, fire-fighting equipment and lifeboats on a vessel's deck at dusk — hull outfitting commissioning site
04Hull Outfitting Commissioning

Hull Outfitting Commissioning

  • Commissioning of cargo oil and ballast systems
  • Function checks of deck machinery, fire-fighting and life-saving equipment
  • Verification of hull outfitting systems and pipe cleanliness
Radar, ECDIS and navigation consoles on the bridge — navigation and telecom equipment
05Navigation & Telecom

Navigation & Telecom Commissioning

  • Interface testing of navigation and communication systems
  • Function verification of GPS, radar and GMDSS equipment
  • Integrated interface verification
A gas processing facility alongside wind and solar power — eco-friendly energy plant control site
06Green & Decarbonization Solutions

Green & Decarbonization

  • LNG · Dual Fuel · FGSS · BOG Compressor
  • ALS · Wind Challenger
  • Carbon Capture · Scrubber · BWTS
  • Engineering & Commissioning Expertise
/ 04  K1 Execution System

K1 EXECUTION SYSTEM
(KES)

K1's project execution system, integrating manpower, schedule, quality, safety and completion into a single management framework to raise commissioning performance.

ONE SYSTEMONE TEAMONE GOALZERO COMPROMISE

Execution connected as one, from planning to handoverFrom Planning to Completion, K1 Delivers.

KES K1 Execution System WE COMPLETE YOUR SUCCESS
01

Manpower

  • Right People
  • Right Skill
  • Right Place
  • Mobility
02

Schedule

  • Priority Management
  • Look Ahead Planning
  • Progress Tracking
  • On-time Delivery
03

Quality

  • Standard & Procedure
  • Inspection & Test
  • Verification
  • Continual Improvement
04

Safety

  • PTW & JSA
  • Risk Assessment
  • Safety Training
  • Zero Accident
05

Completion

  • Punch Management
  • Final Test
  • Documentation
  • Handover
Global StandardTechnical ExcellenceCustomer SatisfactionSafetyQualityPerformance
Commercial Vessel LNGC / Special Vessel Offshore / FPSO Plant / Energy Renewable / Green Solution Commissioning Total Solution Provider
K1 Commissioning Lifecycle

The full commissioning lifecycle —
K1 sees it through

  1. Planning

    • Contract & scope definition
    • CMP establishment
    • Resource planning
  2. Design Review

    • Design & drawing review
    • Interface review
    • Commissionability review
  3. Preparation

    • Material & equipment preparation
    • Site set-up support
    • Pre-check
  4. Execution

    • Loop / System Test
    • Function Test
    • Performance Test
  5. Integrated Test

    • Integrated Test
    • Performance verification
    • Issue resolution
  6. Handover

    • Punch & Close-out
    • Documentation & training
    • Client handover
  7. After ServiceAfter service

    • Warranty
    • Maintenance
    • Emergency response

What sets K1 apart

KESK1 Execution SystemKES applies at every stage, managing the project as one from planning through handover.

Minimising risk through early control

We identify and prevent problems before they occur.

Maximising productivity through integrated management

Every element is managed within a single system.

Quality and safety as core values

Procedure-based execution guarantees trust.

Handover with responsibility to the end

Complete handover realised through data and documentation.

/ 05  Project Track Record

Major projects at home
Track Record

Building on experience accumulated at Korea's major shipyards, we have proven our commissioning capability on global EPC sites.

PETROBRAS P79 FPSO leaving the quay with tugboats
Hanwha Ocean · 2024

PETROBRAS P79 FPSO

Integrated commissioning of a newbuild FPSO hull & topside (EPC)

The CHEVRON TCO FGP gas plant lit at night
DSME · 2017

CHEVRON TCO FGP

High-voltage power systems and integrated commissioning

The wind turbine installation vessel WTIV CADELER at sea
Hanwha Ocean · 2024

WTIV CADELER

Commissioning of a wind turbine installation vessel

SHELL PRELUDE FLNG moored offshore
Samsung Heavy Industries

SHELL PRELUDE FLNG

Integrated electrical & instrumentation commissioning of a large offshore plant

The EXXONMOBIL BARZAN offshore platform installed at sea
Samsung Heavy Industries · 2007

EXXONMOBIL BARZAN

An early flagship project — drillship commissioning

The Woodside TRION semi-submersible platform offshore at sunset
SAIPEM (offshore)

Woodside TRION

Integrated commissioning for an overseas offshore EPC project

/ 06  Our Clients

Our Clients

We have delivered projects with Korea's major shipyards and with global EPC contractors and oil majors.

Samsung Heavy Industries HD Hyundai Heavy Industries Hanwha Ocean DSME HD Hyundai Samho SB SUNBO EXXONMOBIL CHEVRON SHELL PETROBRAS TECHNIP TRANSOCEAN SAIPEM INPEX Woodside POSCO Shinhan Heavy Industries GSI 广船国际 Yujin Machinery DongHwa Pneutec
/ 07  Certifications

Trust verified
by international standards

We operate on quality, environmental and safety management systems certified to international standards.

ISO 9001

Quality Management System
Quality Management

ISO 14001

Environmental Management System
Environmental Management

ISO 45001

Occupational Health & Safety Management System
Occupational Health & Safety

Electrical Contractor Licence

Licensed electrical contractor
Licensed Electrical Contractor