Daehan Engineering & Construction Co.

What Daehan Engineering & Construction Co. does

Daehan Engineering & Construction Co. (주식회사 대한이앤씨, founded January 1998, headquartered in Seongnam, South Korea) is a privately-held Korean engineering services firm specializing in civil and architectural engineering design, infrastructure safety inspection and diagnosis, construction safety management, and ICT-based structural measurement and monitoring. The company holds over 70 specialized certifications and serves as a government-designated safety inspection institution for bridges, tunnels, hydraulic facilities, ports, and buildings, as well as a registered nuclear facility safety management supplier and railway facility safety diagnosis specialist. Major clients include Korea Expressway Corporation, Korea National Railway, Korea Water Resources Corporation, Korea Infrastructure Safety & Technology Corporation, Seoul Metropolitan Government, and POSCO's Gwangyang Steel Works. The company has completed 80+ infrastructure projects since founding and has extended into non-engineering operations including marina management at Yeosu Yi Sun-sin Marina and Busan North Port Marina.

The company's underlying technology stack integrates Fourth Industrial Revolution capabilities—IoT sensing, AI, drone and robotics-based inspection, infrared thermography, fiber optic sensors, 3D laser scanning, and Digital Twin modeling—into traditional engineering workflows. Proprietary systems include IoT-based bridge measurement (oneM2M/Mobius platform), vehicle-mounted infrared thermography for bridge pavement inspection at 50-80 km/h, slope monitoring systems detecting pre-collapse indicators, multi-modal fusion AI for bridge deck deterioration assessment (impact-echo, GPR, phased-array ultrasonic), and jointly developed measurement instruments with AtoSystem. The IP portfolio comprises 10 registered patents (most recent 2022: infrared thermography bridge pavement inspection; key earlier filings cover smart tilt plate, smart crack meter, bridge displacement measurement, guerilla sensors) and Korean Ministry of Land, Infrastructure and Transport new technology designations including CPM Method (No. 877, 2019) and BIT 1038 (2025). The corporate research institute, established 2003, houses ongoing R&D.

Daehan E&C's revenue model is fundamentally project-based professional services, generating income from engineering design contracts, mandatory safety inspection engagements (driven by Korea's Special Act on Facility Safety), construction safety management mandates, structural measurement projects, and marina management fees. Pricing is not publicly disclosed; contracts are won through Korean public tender processes and direct enterprise engagement with private construction and plant operators. Customer concentration skews heavily toward government agencies and public corporations responsible for national infrastructure (highways, railways, bridges, tunnels, ports, water facilities), with secondary revenue from private industrial clients, marina operations under municipal concession, and licensing opportunities from patented technologies such as BIT 1038.

Name

Daehan Engineering & Construction Co.

Legal name

(주)대한이앤씨

Website

https://daehanenc.com

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

11–50 employees

Short description

Daehan Engineering & Construction Co. (대한이앤씨) is a Korean engineering services firm providing civil/architectural design, infrastructure safety inspection, ICT-based structural measurement, and facility maintenance, primarily serving Korean government agencies and public infrastructure corporations through public tenders.

Ownership category

akta.pro rank

Headquarters

HQ city

Seongnam

HQ country

South Korea

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Design Services: Engineering design services covering civil structures, geotechnical engineering, road & highway engineering, water supply & drainage, surveying, architectural design, and remodeling/structural engineering. Revenue is project-based, one-time per engagement.
2. Safety Inspection & Diagnosis Services: Safety inspection, precision safety diagnosis, and performance evaluation services for bridges, tunnels, railways, ports, water facilities, and buildings pursuant to Special Act on Facility Safety and Maintenance. Includes regular safety inspections, detail inspections, and initial inspections for new construction.
3. Construction Safety Management Services: Construction safety management including construction site safety inspection per Construction Technology Promotion Act, safety diagnosis per Occupational Safety and Health Act, pre/post construction building diagnosis in urban areas, safety management planning documentation, and slope/retaining wall safety evaluation.
4. Marina Operations: Marina entrusted operations including Yeosu Yi Sun-sin Marina (opened 2016, circular marina opened 2022) and Busan North Port Marina (operated from April 2023 to April 2026). Total area 69,262 m², providing yacht berthing for 250 vessels, scuba diving, swimming, and accommodation facilities. Revenue from marina management fees.
5. Nuclear Facility Safety Management: Nuclear power plant safety management services including structural inspection and concrete structure maintenance for nuclear facilities, with quality assurance system certifications.
6. Civil Construction Works: Civil construction business covering roads, bridges, harbors, embankments, dams, railways, buildings, and water supply/sewerage systems. Includes maintenance, repair, and reinforcement construction works.
7. Painting Construction Works: Painting construction services including general painting, spray painting, road line painting, spray surface treatment, all-weather stadium floor painting, and corrosion prevention painting.
8. Facility Maintenance Services: Ongoing facility maintenance including daily inspection, repair, restoration, improvement, and reinforcement of completed facilities to preserve functionality and enhance user convenience and safety.
9. Measurement Services: Construction measurement services for tunnels, retaining walls, dams, and slope monitoring. Includes real-time monitoring systems and IoT-based measurement for infrastructure management. Also includes joint development of measurement instruments with AtoSystem.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Daehan Engineering & Construction Co. provides integrated civil and architectural engineering, facility safety inspection and diagnosis, construction safety management, and ICT-based infrastructure measurement services for government agencies, public institutions, and private operators in South Korea. Its offerings span engineering design (bridges, tunnels, highways, railways, ports, water facilities), safety inspection under the Special Act on Facility Safety, structural monitoring using IoT/AI/drones/infrared thermography, and contracted marina operations (Yeosu Yi Sun-sin and Busan North Port).

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering Design Services
• Facility Safety Inspection and Precision Diagnosis
• Construction Safety Management Services
• Nuclear Facility Safety Management
• ICT-Based Infrastructure Measurement and Monitoring Services
• Vehicle-Mounted Infrared Thermography Bridge Inspection (BIT 1038)
• Marina Operations Management
• Civil Construction Works
• Painting Construction Works
• Facility Maintenance and Reinforcement Services
• Disaster Impact Assessment and Underground/Gas Safety Evaluation
• Railway Facility Safety Management

Quantifiable outcome

• BIT 1038 new technology enables bridge deck pavement inspection at 50-80 km/h driving speed, maximizing inspection efficiency while minimizing traffic disruption
• +2 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability9 records

Feature11 records

Partnerships

Four partnerships are on record, tiered core and strategic.

• Biz-PartnercoreStrategic or Co-development Partner · 20 February 2023Daehan E&C signed a business partnership agreement with Biz-Partner on February 20, 2023 for specialized construction methods including Duroc Method, GMP Method, CPG Method, ICR Method, and PRCG Method. This partnership enables access to advanced pipe rehabilitation and reinforcement technologies for facility maintenance projects.
• AtoSystem (아토시스템)coreStrategic or Co-development Partner · 1 January 2020Daehan E&C jointly developed measurement instruments with AtoSystem, including structural tiltmeter for measuring structural tilt, surface displacement inclinometer for measuring ground displacement, and data acquisition device for storing data from these sensors. The instruments are specifically designed for infrastructure safety monitoring applications.
• DroneAide (드론아이드)Technology or Integration · 1 January 2020Technology partnership signed in 2020 for drone-based inspection technologies to enhance facility safety inspection capabilities, enabling safer inspection of dangerous and hard-to-reach infrastructure areas.
• SF Marina Korea (SF마리나코리아)strategicStrategic or Co-development Partner · 1 January 2020Technology partnership signed in 2020 for marina operations technology, supporting Daehan E&C's diversification into maritime leisure infrastructure management including Yeosu Yi Sun-sin Marina and Busan North Port Marina.

Scale indicators7 records

Recent moves14 records

Expansion highlights6 records

Broad incumbents

• SGS: Global leader in testing, inspection, and certification with strong presence in Korea. Provides industrial and infrastructure inspection services overlapping with Daehan's safety diagnosis, construction quality inspection, and facility maintenance offerings.
• Daewoo E&C: Korean general contractor with civil infrastructure, building, and plant capabilities. Competes in the same public-tender landscape for highway, bridge, and rail projects where Daehan also bids for safety inspection and engineering design contracts.
• Samsung C&T Corporation: Diversified Korean conglomerate division covering construction, engineering, and trading. Engages in large-scale infrastructure and building projects comparable to Daehan's target end markets, though at much larger scale and broader portfolio scope.
• Hyundai Engineering & Construction: One of Korea's largest construction and engineering firms with extensive infrastructure portfolio (highways, bridges, rail, plants). Operates broadly across civil engineering, EPC, and facility maintenance, overlapping with Daehan's service scope but at vastly larger scale.
• GS E&C: Large Korean construction and infrastructure developer offering civil works, building construction, and infrastructure services. Overlaps with Daehan in providing engineering design and construction for public infrastructure projects, though GS operates at far larger scale.
• DL E&C: Major Korean general contractor (formerly Daelim Industrial) covering civil infrastructure, buildings, and plant EPC. Comparable in providing safety inspection, civil engineering design, and construction services to public-sector clients, but at significantly larger scale.
• Bureau Veritas: Global testing, inspection, and certification (TIC) firm with extensive operations in Korea. Highly comparable because both firms provide facility safety inspection, structural assessment, and certification services to infrastructure and industrial clients.
• Hanwha Engineering & Construction: Korean general contractor active in civil infrastructure, housing, and plant construction. Competes for similar public-tender projects and provides engineering and construction services to comparable government clients.
• POSCO E&C: Korean construction firm affiliated with POSCO, serving steel, infrastructure, and plant construction. Relevant because Daehan performs precision structural safety inspection of POSCO's Gwangyang Steel Works, and POSCO E&C operates in adjacent infrastructure and plant service markets.
• TÜV SÜD: Global TIC firm offering infrastructure inspection, certification, and testing services. Comparable because TÜV SÜD provides facility safety inspection and infrastructure assessment services that compete with Daehan's core safety-diagnosis business in Korea and across Asia.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/daehanmtech-daehanenc

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

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 Daehan Engineering & Construction Co.