S&I

What S&I does

S&I Corp. (에스앤아이코퍼레이션) is a Seoul-headquartered, privately held Korean real estate services company providing facility management, property management, asset buy/sell advisory, leasing management, and renovation services to large enterprises and commercial real estate owners. The company traces its origin to the Lucky Development Building Management Division established in 1975, now operating as a subsidiary within the GS Group conglomerate, and reports approximately 1,649 employees, ₩855 billion in FY2025 revenue, and the largest managed floor area in Korea (≈305만 평 across 221 integrated assets, plus 19,850 retail locations and 22,700 remote monitoring points).

Its core technology layer is the SANDI platform brand, which integrates digital tooling with field operations across the five service lines. The portfolio includes an internal integrated asset management system, an Edge customer portal, an Edge partner portal, and the SANDI Alliance open-innovation partnership program built around its facility management workflows. Certifications include ISO/IEC 27001:2022 and ISMS for information security, ISO 14001 for environmental management (since 2002), and GRESB 3-Star — the latter making it the first Korean real estate management company to achieve this global ESG benchmark.

S&I monetizes through managed-services contracts (FM, PM, LM) and professional-services engagements (AM buy/sell advisory, renovation), pricing quote-based via direct enterprise sales rather than disclosed rates. The go-to-market is relationship-driven B2B selling to large Korean corporates — visible logos include LG Twin Tower, Parnas Tower, K Square Magok, KB Kookmin Bank HQ, GS Tower, IFC, LG Seoul Station Building, S-OIL Tower, Korea Teachers' Credit Union HQ, and YTN Square — alongside public-sector accounts. Growth ambition is anchored in a stated ₩1 trillion revenue target for 2027, with renovation revenue up 270% YoY in 1H 2025 as the lead scaling vector.

Name

S&I

Legal name

주식회사 에스앤아이코퍼레이션

Website

https://sni.co.kr

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

S&I Corp. is a Seoul-based, GS Group-affiliated real estate services company providing facility, property, asset, leasing, and renovation management to large Korean enterprises, managing the largest floor area in Korea across 221 assets.

Ownership category

akta.pro rank

Product category

Facility Management Services

NAICS

Real Estate Property Managers (53131), Offices of Real Estate Agents and Brokers (5312), Portfolio Management and Investment Advice (523940), Professional, Scientific, and Technical Services (54)

SIC

Real Estate Agents & Managers (For Others) (6531), Services-Facilities Support Management Services (8744)

akta.pro primary industry

Real Estate M&A / Joint Venture Advisory (Platform Deals, Partnerships) (BPAJANAF)

akta.pro secondary industries

M&A Advisory (Buy-Side & Sell-Side) (BPAHAOAA), M&A Advisory (Buy-side/Sell-side) (BPAHADAC), Sell-Side M&A Advisory (FSAEAGAA), Buy-Side M&A Advisory (FSAEAGAB), Industry-Specialist / Sector-Focused M&A Advisory (FSAEAGAJ)

Keywords

• Facility management services
• Property management services
• Asset management advisory
• Leasing management consulting
• Building renovation services

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Facility Management (FM): Integrated facility management services including safety, equipment, environment, and operations management. Covers building performance improvement and stable space operations.
2. Property Management (PM): Data-driven operational analysis and strategic management to enhance asset performance and value.
3. Asset Management (AM) - Buy/Sell Advisory: Market data and field insights-based optimal transaction strategy and performance-focused consulting.
4. Leasing Management (LM): Space characteristics and market analysis for optimal leasing strategy and matching services.
5. Renovation Services: Integrated design and construction management to maximize space potential and create new value.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

S&I Corp. delivers integrated real estate services for large commercial buildings and corporate clients across South Korea, covering facility management (FM), property management (PM), asset management (AM) including buy/sell advisory, leasing management (LM), and construction/renovation services. The company combines its proprietary SANDI digital platform with 50+ years of field expertise to manage approximately 3.05 million pyeong of floor area across 221+ integrated assets and 19,850+ retail locations.

Product overview

S&I Corp. offers a comprehensive real estate services portfolio consisting of five core service lines: Facility Management (FM), Property Management (PM), Asset Management (AM), Leasing Management (LM), and Renovation services. The company operates under the SANDI brand as its primary solution platform, combining digital technology with 50+ years of field expertise to provide integrated space management. The portfolio includes an open innovation partnership program (SANDI Alliance), customer and partner portals (Edge systems), and internal integrated asset management systems. Services span from building operations and facility maintenance to asset strategy, investment advisory, and space renovation, covering approximately 3.05 million pyeong of managed space across 221+ integrated assets and 19,850+ retail locations.

Differentiator

Problem solved

Functional benefit

Brands

• SANDI: Integrated asset management system and space management solution brand of S&I Corp., representing 'Digitalization for Human' - a comprehensive platform managing buildings, spaces, and the people who use them

Products and services

• Facility Management (FM) - 시설 관리

Quantifiable outcome

• 상반기 리모델링 매출 전년比 270% 성장 - 270% growth in first-half renovation revenue year-over-year
• +2 more outcomes

Named customers10 records

Segments4 records

Ideal customer profiles3 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 core and minor.

• SANDI 얼라이언스 파트너사 (Various)coreStrategic or Co-development PartnerSANDI Alliance is an open innovation partnership program aimed at building a PFM (Professional Facility Management) ecosystem. Partners include solution providers, sales channel partners, FM product co-development partners, consulting partners, joint marketing partners, sharing economy business partners, and FM professional personnel providers. The program offers design thinking training, collaborative project management, agile work methods, and access to S&I Corp.'s 50 years of accumulated expertise managing buildings from LG affiliates and supertall buildings to medium and small buildings.
• 쏘카 (SOCAR)minorStrategic or Co-development PartnerShared mobility activation MOU for integrating mobility solutions with facility management services
• 세스코 (SESCOR)minorStrategic or Co-development PartnerToilet cleaning service partnership for integrated hygiene management alongside building management services

Scale indicators11 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• CBRE Group: Global full-service commercial real estate services firm offering FM, PM, AM, leasing, and project management across all major markets. Directly comparable to S&I's integrated service model but at vastly larger global scale.
• Cushman & Wakefield: Global commercial real estate services firm providing FM, property management, valuation, and asset services. Closely mirrors S&I's service portfolio at global scale with active Asia-Pacific operations.
• JLL (Jones Lang LaSalle): Global real estate services and investment management firm with comprehensive FM, PM, leasing, and asset advisory offerings. Comparable to S&I's integrated service stack with stronger international diversification.
• Knight Frank: Global real estate consultancy with active Asia-Pacific operations offering property management, asset services, and advisory. Comparable service mix to S&I though weighted toward advisory over operational FM.
• Colliers International: Global real estate professional services and investment management firm with strong APAC presence. Comparable integrated service offering spanning FM, PM, leasing advisory, and project services.
• Savills plc: International real estate services firm with particularly strong Asian presence, offering consulting, property management, and leasing advisory comparable to S&I's full-service positioning.

Others

• Mirae Asset Global Investments: Korean asset manager with real estate investment and advisory capabilities. Adjacent to S&I's asset management buy/sell advisory services rather than directly competitive in FM operations.

Regional players

• Mitsubishi Estate: Japanese real estate developer and asset manager operating integrated property management, leasing, and asset services. Comparable vertically integrated model though operating in Japan rather than Korea.

Emerging players

• Hyundai Engineering & Technology: Korean engineering and construction group with growing FM/PM capabilities. Partial overlap with S&I's facility and property management services particularly in commercial real estate.

Direct peers

• KEPCO Plant Service & Engineering: Korean facility management and plant services firm with comparable operational scale and similar FM service lines. Most direct domestic peer in terms of service offering and customer profile.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/s-i-corp-lg-affiliated-company

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

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 S&I