SAMBO E & C

Name

SAMBO E & C

Legal name

LT SAMBO

Website

https://samboenc.co.kr

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

101–250 employees

Short description

LT SAMBO (SAMBO E & C) is a South Korean specialty civil engineering and construction firm founded in 2017, serving government and enterprise clients in Korea and Singapore with diaphragm walls, cast-in-place piles, marine works, tunnels, and foundation construction using proprietary in-house drilling equipment.

Ownership category

akta.pro rank

Product category

Foundation Construction Services

NAICS

Heavy and Civil Engineering Construction (237), Other Heavy and Civil Engineering Construction (2379), Power and Communication Line and Related Structures Construction (237130)

SIC

Services-Engineering Services (8711), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Building Automation & Controls (BAS/BMS) Contracting (IMAFALAE)

akta.pro secondary industry

Balance-of-Plant (BOP) & Civil Works for Power Plants (EUAEAAAL)

Keywords

• Foundation construction services
• Diaphragm wall construction
• Cast-in-place piling
• Tunnel construction
• Marine civil engineering

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Civil Engineering Construction Projects: Revenue generated from civil engineering foundation construction including diaphragm walls, piles, tunnels, marine works, earthworks, road/railway, plant-civil, and architecture projects. Project-based contracts ranging from small to large-scale infrastructure projects. Mix of direct prime contracts and subcontracting roles.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

LT SAMBO (SAMBO E & C) is a civil engineering and construction firm specializing in deep foundation and infrastructure works. Core offerings include diaphragm walls, cast-in-place piles, marine construction, tunnel construction, road/railway infrastructure, plant-civil enabling works, earthwork/ground improvement, and architectural building construction. The company differentiates through an in-house Institute of Technology (기술연구소) and proprietary drilling machine manufacturing (천공기 제작), providing vertical integration between equipment and project execution.

Product overview

LT SAMBO (SAMBO E & C) is a civil engineering and construction company offering a comprehensive portfolio of foundation and infrastructure construction services. The core offerings include diaphragm wall, cast-in-place pile, marine work, tunnel, road/railway, plant-civil works, earth work/ground improvement, and architecture services. The company also operates a technology research institute (기술연구소) for developing construction technologies and manufactures proprietary drilling equipment (천공기 제작). The portfolio represents an integrated civil engineering capability spanning from specialized foundation work (지하연속벽, 현장타설말뚝) to broader infrastructure and building construction.

Differentiator

Problem solved

Functional benefit

Products and services

• Diaphragm Wall (지하연속벽) Construction of diaphragm walls for deep excavation support and water-sealed underground structures, provided to government and private sector clients for infrastructure and building projects.
• Cast-In-Place Pile (현장타설말뚝) On-site cast-in-place pile installation for foundation support across varied ground conditions, used as deep foundation solution for buildings and infrastructure.
• Marine Work (해상공사) Marine construction services including offshore foundations, coastal structures, and harbor works for projects in marine environments.
• Tunnel Construction (터널) Tunnel construction services for transportation infrastructure including MRT and highway tunnels, executed for government transit authorities.
• Road/Railway Work (도로/철도) Road and railway infrastructure construction and civil engineering works for public transit and highway projects.
• Plant-Civil Enabling Works (플랜트토목) Civil engineering preparation and enabling works for industrial plant construction projects.
• Earth Work/Ground Improvement (토공/지반개량) Earthworks and ground improvement techniques for site preparation and soil stabilization across construction projects.
• Architecture (건축) Building construction services including commercial, institutional, and residential structures delivered as prime contractor or as part of joint ventures.
• Drilling Machine Production (천공기 제작) Manufacturing of drilling equipment for civil engineering and foundation construction, providing in-house vertical integration for LT SAMBO's projects.

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Three partnerships are on record, tiered major.

• STECS - OBAYASHI JVmajorStrategic or Co-development Partner · 1 March 2025Joint venture partnership for the Design and Construction of Turf City Station and Tunnels for Cross Island Line (CR203) project in Singapore for Land Transport Authority. LT SAMBO is a consortium member working on this major MRT infrastructure project scheduled from March 2025 to May 2026.
• CHINA CONSTRUCTION (SOUTH PACIFIC) DEVELOPMENTmajorStrategic or Co-development Partner · 1 December 2024Partnership for MOE Office Building project - Proposed Erection of a 30-Storey Building with 3 Basement as an Extension to the existing MOE Building at North Bouna Vista Drive in Singapore. Project scheduled from December 2024 to July 2026.
• KTC CIVIL ENGINEERING & CONSTRUCTION PTE LTDmajorStrategic or Co-development Partner · 1 September 2024Partnership for Proposed Integrated General Hospital at Alexandra Road (Diaphragm Wall Works) project in Singapore for Ministry of Health. LT SAMBO provides specialized diaphragm wall works for this hospital development.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Regional players

• Woh Hup Holdings: Singapore-based privately held construction firm with strong foundation and civil engineering capabilities. Directly competes in the Singapore government and private foundation market.
• Tiong Seng Holdings: Singapore-listed civil and structural contractor with foundation and tunneling expertise. Comparable on Singapore public infrastructure projects, including those requiring diaphragm walls and piling.

Broad incumbents

• Hyundai Engineering & Construction: One of Korea's largest E&C firms with extensive civil engineering and foundation capabilities. Offers overlapping services in diaphragm walls, tunneling, and large infrastructure projects, but as part of a much broader portfolio.
• Samsung C&T Corporation: Korean mega-contractor with a global civil engineering and construction portfolio including foundation, tunneling, and infrastructure. Direct competitor for large Singapore and regional infrastructure tenders.
• Obayashi Corporation: Japanese mega-contractor and JV partner (STECS-OBAYASHI JV) on LT SAMBO's LTA Cross Island Line project. Comparable civil engineering and foundation capability with broader global footprint.
• China Construction (South Pacific) Development: Subsidiary of China State Construction Engineering Corporation, active in Singapore as a major contractor. Partner on LT SAMBO's MOE Office Building project and direct competitor for Singapore tenders.

Direct peers

• Soletanche Bachy: World's largest specialty foundation contractor (Vinci group), specializing in diaphragm walls, piles, and ground engineering. Head-to-head competitor for Singapore infrastructure tenders and global deep foundation projects.
• Keller Group: Global geotechnical and specialty foundation contractor with significant Asia-Pacific presence. Comparable in offering ground improvement, piling, and earth retention services for infrastructure and building projects.
• Bauer AG: German-based global foundation specialist with in-house drilling equipment manufacturing — closely analogous to LT SAMBO's vertical integration model. Direct competitor in deep foundation works across Asia and the Middle East.
• Trevi Group: Italian specialty foundation contractor with deep expertise in diaphragm walls, piles, and ground engineering. Direct peer on complex foundation tenders including transport, marine, and energy infrastructure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sambo-e-&-c

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 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 SAMBO E & C