K Subsea Group

What K Subsea Group does

K Subsea Group is a Singapore-headquartered, privately held provider of integrated subsea construction, inspection/repair/maintenance (IRM), SURF/cable installation, subsea repair, and decommissioning services for the offshore energy sector. The company delivers services from 0–300 metres sea water (msw) manned diving through to 2,000 msw remote intervention, anchored by owned specialized assets including the purpose-built DP2 diving support vessel DSV Challenger (built by VARD in 2017), a four-ROV fleet (two Quasar Work Class, one SeaEye Cougar-XT, one SeaEye Falcon), an ABS-classed Hyperbaric Reception Facility, and IMCA-compliant surface-supplied diving systems. Operations are delivered through two principal entities: KCPL (K Copley Pte Ltd, wholly owned, Singapore, established 2017), which serves as the corporate management and regional project portfolio hub, and SPHI KSB, a joint venture with Bruneian-owned SPHI Marine Sdn Bhd that provides local content, shore operations and crew for Brunei work.

The company's customer base comprises oil majors, National Oil Companies (NOCs) and EPC contractors in Southeast Asia, with named end clients including Brunei Shell Petroleum (BSP, anchor IRM client), Phu Quoc Petroleum Operating Company (PQPOC, Vietnam Block B end client), China Offshore Oil Engineering Co. (COOEC) and PTSC M&C. Recent contract momentum in 2025 includes a Brunei pipeline replacement and SPM replacement contract awarded by COOEC and a Vietnam Block B Transportation & Installation contract awarded by PTSC M&C with operations commencing January 2026. The firm maintains ISO 9001/14001/45001 certifications, IMCA contractor membership, and reported zero lost-time injuries and zero fatalities in 2024 across 490,809 total manhours (360,348 offshore), outperforming IMCA benchmarks on safety.

K Subsea generates revenue through project-based professional services contracts secured via competitive bidding and direct negotiation with enterprise clients, with pricing determined by project complexity, depth requirements, equipment utilization, duration and geography. The go-to-market motion is enterprise field sales targeting EPCs, oil majors and NOCs, with project management embedded from front-end bidding through execution. The firm has accumulated more than 45,000 dives, over 12 million subsea work hours and 160+ completed projects with cumulative contract value exceeding $1 billion across 10 countries since the personnel team's inception in 2008.

Name

K Subsea Group

Legal name

K SUBSEA GROUP

Website

https://ksubsea-group.com

Company type

Private

Founded year

2020

Operating status

Operating

Headcount range

251–500 employees

Short description

K Subsea Group is a Singapore-based, privately held subsea services provider offering integrated construction, IRM, SURF, cable installation, repair and decommissioning for offshore energy clients across Southeast Asia and the Middle East, anchored by its own DP2 vessel DSV Challenger and a four-unit ROV fleet.

Ownership category

akta.pro rank

Product category

Offshore Subsea Engineering Services

NAICS

Support Activities for Water Transportation (4883), Other Support Activities for Water Transportation (488390)

SIC

Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR) (EUALABAI)

akta.pro secondary industries

Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters) (EUALABAJ), Subsea Cable Construction, Marine Installation & Repair Services (HDAIALAC), Subsea Construction & IMR Vessel Newbuilds (CSV, DSV, ROV Support) (IMAJACAD)

Keywords

• Subsea construction services
• Offshore inspection maintenance
• SURF cable installation
• Subsea diving services
• ROV intervention services

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Technology or R&D, Marketing or Sales

Revenue model

1. Subsea Professional Services: K Subsea generates revenue through project-based professional services including subsea construction, offshore IRM, SURF installation, subsea repairs, and decommissioning. Services are delivered using the company's own assets (DSV Challenger, ROVs, diving systems) combined with experienced project management and engineering teams. Projects are secured through competitive bidding and direct contracts with oil majors, EPCs and NOCs.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

K Subsea Group provides end-to-end subsea construction, inspection, repair, maintenance (IRM), SURF and cable installation, and decommissioning services for the offshore energy sector. Services are delivered using owned specialized assets — the DP2 diving support vessel DSV Challenger, a fleet of four ROVs, hyperbaric reception facility, and IMCA-compliant diving systems — combined with in-house project management and engineering teams to support oil majors, EPCs, and national oil companies from shallow-water (0–300msw) manned diving to deepwater (2,000msw) remote intervention.

Product overview

K Subsea Group is an end-to-end subsea solutions provider offering a unified portfolio of assets and services for the offshore energy industry. The core offering combines owned assets (DP2 diving support vessel DSV Challenger, 4 ROVs including Quasar Work Class and SeaEye systems, Hyperbaric Reception Facility, and Surface Supplied Diving Systems) with integrated service capabilities (subsea construction, IRM, subsea repairs, SURF/cable installation, decommissioning, and project management). The company operates as a technology integrator, providing services from 0-300msw manned diving to 2,000msw remote intervention, with third-party asset augmentation available when required.

Differentiator

Problem solved

Functional benefit

Products and services

• Subsea Construction Services Integrated turnkey subsea construction solutions including risers, flanged and stalk-on and J-tubes; riser clamps; subsea tie-in spools; hot-tap installation; pipeline/cable stabilization; structures installation (PLEM, SSIV, MWA); major installation support; and decommissioning works for offshore energy operators.
• Offshore Inspection, Repair and Maintenance (IRM) Underwater inspection, repair and maintenance services for structures, pipelines and facilities including detailed underwater inspection, structure integrity surveys, pipeline/cable integrity management, debris and seabed scour surveys, anode retrofit and installation, and UWILD compliance — delivered using ROV and saturation diving operations.
• Subsea Repairs Pipeline and structural underwater repair services including containment using engineered clamps (PLIDCO, Oil States, OI), wet welding, above-water interventions, flow diversion through hot taps and line stops, structural repairs, conductor guide frame modifications, and corrosion protection by retrofitting anodes.
• Subsea Umbilical, Risers and Flowlines (SURF) including Cable Installation Integrated vessel packages for SURF and cable installation to approximately 150msw, including umbilical, risers and flexible flowlines; cable/arrays (power, composite and fibre-optic); trenching; jumpers/flying leads; and SDU/UTA services.
• Decommissioning Safe removal services for wellhead protection structures, manifolds, subsea isolation valves, pipeline systems, risers, flowlines, jacket marine growth cleaning and jacket removals, with mooring system removals using specialist third-party vessels.
• Project Management Comprehensive project management services including installation engineering, offshore management for simultaneous operations, cost and project controls, QHSE management, and procurement services for subsea projects.

Quantifiable outcome

• Zero LTIs and zero fatalities recorded in 2024 with LTIFR of 0.00 and TRIR of 2.04, outperforming IMCA colleague benchmarks
• +4 more outcomes

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered minor and core.

• Brunei Marine Academy (BMA)minorStrategic or Co-development Partner · 28 July 2025SPHI K Subsea signed a Memorandum of Understanding with Brunei Marine Academy on 28 July 2025 to support growth and development of Brunei's future marine professionals. SPHI K Subsea sponsors four students (Engine Cadets and Engine Ratings) under a two-year structured program with hands-on experience aboard SPHI K Subsea's operational vessels. Supports Brunei Vision 2035.
• Brunei Shell Recreational Club Football Club (BSRC FC)minorOthers · 28 July 2025SPHI K Subsea sponsors BSRC FC's Under-15 and Under-18 football teams, covering training kits, equipment, transportation and tournament participation costs. Part of SPHI K Subsea's corporate social responsibility efforts to empower youth and build community connections.
• China Offshore Oil Engineering Co. Ltd (COOEC)coreStrategic or Co-development Partner · 22 July 2025K Subsea was awarded a key contract by COOEC to support pipeline replacement and Single Point Mooring (SPM) replacement works in Brunei. K Subsea performs air diving operations from COOEC-owned vessel, providing specialist manpower and equipment for the project.
• PTSC M&CcoreStrategic or Co-development Partner · 22 July 2025K Subsea awarded the Transportation & Installation (T&I) contract for subsea works in Vietnam Block B, awarded by PTSC M&C with end client Phu Quoc Petroleum Operating Company (PQPOC). Project scope includes saturation diving and ROV operations from vessel Kreuz Challenger, scheduled to commence January 2026.
• SPHI Marine Sdn BhdcoreStrategic or Co-development PartnerSPHI Marine Sdn Bhd is a fully Bruneian-owned company and joint venture partner in SPHI KSB, established over 10 years ago to offer engineering and project management services in Brunei. The JV supports local content goals by recruiting and nurturing Bruneian seafarers, offshore workers, and onshore staff as future drivers of the maritime industry. SPHI Marine is a fully local entity contributing to shared local business development objectives.

Scale indicators7 records

Recent moves5 records

Expansion highlights6 records

Broad incumbents

• Subsea 7: Subsea 7 is one of the world's largest subsea engineering, construction and services contractors with an integrated SURF and IRM fleet. It competes with K Subsea on larger SURF and EPCI tenders in SE Asia and the Middle East while also operating as a prime contractor on scopes where K Subsea typically serves as subcontractor.
• Saipem: Saipem is a major Italian EPCI contractor with deepwater pipelay, subsea construction and SURF capabilities via its own fleet. It competes for the same NOC and IOC subsea scopes in Asia-Pacific and the Middle East, typically at the larger, integrated end of the market.
• TechnipFMC: TechnipFMC is a global subsea integrated services provider combining subsea trees, manifolds, SURF and installation capabilities. It overlaps with K Subsea on subsea construction and IRM scopes for the same offshore E&P client base, typically at a larger project scale.
• McDermott International: McDermott provides integrated offshore EPCI services for the energy industry, including subsea pipelay, SURF and decommissioning from its heavy-lift fleet. It competes with K Subsea for Asian NOC subsea scopes and is a likely prime on projects where K Subsea is positioned as a diving/ROV subcontractor.
• Boskalis Subsea Services: Boskalis Subsea Services (formerly Gardline Subsea / Dockwise) delivers subsea IRM, cable installation and seabed intervention from a fleet of construction and support vessels. It is a comparable broad subsea services competitor for IRM and SURF scopes in Asian and Middle Eastern tenders.
• Sapura Energy: Sapura Energy is a Malaysia-based integrated oil and gas services company with a substantial subsea SURF and offshore installation track record across Asia-Pacific. It competes with K Subsea for regional SURF, IRM and decommissioning tenders and represents a comparable Southeast Asian subsea contractor.

Regional players

• Vallianz Holdings: Vallianz is a Singapore-based offshore support vessel owner and operator serving oil majors and NOCs across SE Asia, the Middle East and Latin America. It overlaps with K Subsea's offshore execution footprint and is a potential partner or local competitor for marine and subsea scopes in the region.
• Mermaid Maritime: Mermaid Maritime is a Thailand-based subsea and offshore drilling services provider with ROV, IRM and diving capabilities serving SE Asia and the Middle East. Its regional subsea inspection, repair, maintenance and construction services directly overlap with K Subsea's IRM and SURF offerings.

Direct peers

• DOF Subsea: DOF Subsea is a global subsea IMR, SURF and construction contractor operating a fleet of diving support, construction and ROV vessels. It directly overlaps with K Subsea's IRM, SURF, subsea construction and diving services delivered from purpose-built DSVs to offshore E&P clients.
• Helix Energy Solutions Group: Helix is a Houston-based offshore subsea well intervention and robotics firm offering ROV, IRM, well intervention and decommissioning services from its own vessels. Like K Subsea, it monetizes owned subsea assets (vessels, ROVs) plus crews against oil major and NOC tenders worldwide.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Ksubsea
• LinkedInlinkedin.com/in/k-subsea-group-47a864b8/?original_referer=https%3A%2F%2Fmail.google.com%2F

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about K Subsea Group