BuildBlock
BuildBlock is a U.S.-domiciled, Korea-rooted real estate and infrastructure platform operating as a U.S. General Contractor and integrated services provider for Korean and Asian companies expanding into the U.S. market, spanning development, construction, brokerage, and asset management across 9 cities.
- Company typePrivate
- Founded2018
- HeadquartersYongdungpo, South Korea
- Headcount51–100
- GTM typeB2B
- OfferingServices
What BuildBlock does
BuildBlock (legal entity Build Block Inc.) is a U.S.-domiciled, Korea-rooted real estate and infrastructure platform that operates as a U.S. General Contractor (GC) and integrated real estate services provider targeting Korean and Asian companies expanding into the United States. Founded in 2018 and headquartered in Seoul's Yeongdeungpo district with U.S. operations across 9 cities (Silicon Valley, New York, Los Angeles, Austin, Atlanta, plus Seoul, Singapore, Tokyo, and additional U.S. metros), the company delivers an end-to-end service stack spanning development, architectural design, entitlement and permitting, construction management, real estate brokerage, and post-investment asset and facility management. Its revenue mechanics span transaction commissions (brokerage), professional services fees (construction, development, design, EPC plant and AI infrastructure projects), recurring managed-services fees (asset and facility management), and subscription-style premium memberships for high-net-worth individuals. The company reports operating assets of approximately $584 million across its platform.
BuildBlock's customer base is segmented across four primary groups: Korean and Asian corporate clients establishing industrial/manufacturing facilities (semiconductors, batteries, advanced manufacturing), commercial real estate operators and F&B brands entering the U.S., individual Korean investors and families seeking U.S. residential exposure, and AI/tech companies requiring data center and power infrastructure development. Distribution is direct enterprise sales through the company's own office network, with no third-party resellers, supported by content marketing (white papers co-published with NRI America), earned media in Korean business outlets, and active social channels. The company's principal technology layer is the BB AI Real Estate Agent, a conversational NLP tool for property search and U.S. real estate law/tax Q&A, which functions as a top-of-funnel customer engagement utility rather than a standalone AI product.
BuildBlock has raised approximately $13M+ across funding rounds from 2020 to 2022, with lead investor IS Dongseo and participation from institutional Korean investors including KB Investment, IBK Capital, Shinhan Capital, and Hana Financial Investment. In June 2026 the company initiated IPO underwriter selection, and it is currently pursuing simultaneous data center development projects in San Francisco and Austin as a strategic vertical extension. Leadership is founder-led, with CEO and founder Jimmy Jung supported by COO Jiwoong Lee and CTO Kyongtak Cho.
BuildBlock firmographics
Firmographics- Name
- BuildBlock
- Legal name
- Build Block Inc.
- Website
- https://buildblock.io
- Company type
- Private
- Founded year
- 2018
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- BuildBlock is a U.S.-domiciled, Korea-rooted real estate and infrastructure platform operating as a U.S. General Contractor and integrated services provider for Korean and Asian companies expanding into the U.S. market, spanning development, construction, brokerage, and asset management across 9 cities.
- Ownership category
- akta.pro rank
BuildBlock industry classification
Industry- Product category
- Commercial Real Estate Services
- NAICS
- Architectural, Engineering, and Related Services (5413), Architectural Services (54131), Engineering Services (54133)
- SIC
- Services-Engineering Services (8711), Heavy Construction Other Than Bldg Const - Contractors (1600), Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Design-Build / EPC General Contracting (IMAFAAAD)
- akta.pro secondary industries
- New Construction & Builder Sales (BPAJAAAB), Industrial Land & Build-to-Suit Site Brokerage (BPAJACAJ), Civil & Structural Engineering Consulting (BPAHAIAA), Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA)
Keywords
Where BuildBlock is headquartered
LocationHeadquarters
- HQ city
- Yongdungpo
- HQ country
- South Korea
- HQ region
- Asia
Offices8 records
Markets served
BuildBlock business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Supply Chain
Revenue model
- Real Estate Brokerage: Advisory and brokerage services for buying, selling, and leasing residential and commercial properties in the U.S., including local site tours. Revenue is earned through commissions on completed transactions.
- Construction Management: Construction and CM services provided by Build Block's U.S. General Contractor entity. Revenue generated through construction project fees.
- Development & Design Services: End-to-end development services covering property search, master planning, feasibility reviews, design and permitting. Revenue from development fees.
- Asset & Facility Management: Post-investment management services covering lease and tenant management, facility maintenance, local corporate accounting and tax compliance. Revenue from ongoing management fees.
- AI Infrastructure Development: Development and operation of AI infrastructure facilities including AI data centers and solar power plants. Revenue from infrastructure development projects.
- EPC Plant Development: Plant development solutions for semiconductor, ESS battery, and materials, parts, and equipment companies. Revenue from engineering, procurement, and construction project contracts.
- Premium Membership Services: Exclusive membership services for high-net-worth individuals and organizations including business leaders, public figures, and celebrities requiring discreet premium-level management.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
BuildBlock product offering
Product offeringCore offering
BuildBlock operates as a U.S. General Contractor and end-to-end real estate services platform providing Korean and Asian companies with integrated U.S. real estate solutions. The company offers services spanning AI infrastructure development, EPC plant development, real estate development, architectural design and permitting, construction management, real estate brokerage, and post-investment asset and facility management. It combines a U.S. General Contractor license with brokerage, development, design, and ongoing asset management to deliver the full project lifecycle under a single platform.
Product overview
BuildBlock is a U.S. real estate and infrastructure platform offering an integrated suite of services for Korean and Asian companies expanding into the American market. The platform operates as a single unified offering combining core services (AI Infrastructure Development, EPC Plant Development, Real Estate Development, Construction Management, Architectural Design/Entitlement & Permitting, Real Estate Brokerage, and Asset & Facility Management) with premium membership services (Premium Client Membership, Expansion Services, Secret Team, and Silicon Valley 82 Office) and AI-powered IT tools (BB AI Real Estate Agent, Asset Management, Property Search). The company also serves three property sectors: Industrial/Plant, Commercial (Office/Retail/Mixed-Use), and Residential (Condominium/Single Family House). The portfolio is unified by BuildBlock's U.S. General Contractor license and end-to-end capability spanning from site evaluation and design to permitting, construction, and operation.
Differentiator
Problem solved
Functional benefit
Products and services
- AI Infrastructure Development Development and operation of AI infrastructure facilities, including AI data centers, solar power plants, and other power infrastructure for companies expanding into the U.S. market.
- EPC Plant Development Plant development solutions for semiconductor, ESS battery, materials, parts, and equipment companies experiencing rapidly growing demand for overseas market entry, providing end-to-end engineering, procurement, and construction.
- Real Estate Development Fully integrated service overseeing the entire real estate development process, from property search tailored to business needs (offices, factories, or F&B retail) to master planning, feasibility reviews, design and permitting, and construction.
- Construction Management Construction and CM services provided by Build Block's U.S. General Contractor entity for industrial, commercial, and residential projects in the United States.
- Architectural Design / Entitlement & Permitting End-to-end design services covering project layouts, concept design, entitlement and permitting, as well as detailed construction design for U.S. real estate projects.
- Real Estate Brokerage Advisory and brokerage services for buying, selling, and leasing residential and commercial properties in the U.S., including local site tours for Korean and Asian clients.
- Asset & Facility Management Post-investment management services covering lease and tenant management, facility maintenance, local corporate accounting and tax compliance, and foreign exchange reporting in Korea.
- Premium Client Membership (Black Membership) Exclusive membership services for high-net-worth individuals and organizations, including business leaders, public figures, and celebrities requiring discreet, premium-level property management.
- Expansion Services Premium advisory and support services for companies and individuals expanding into the U.S. market, covering market entry strategy and execution.
- Secret Team Confidential advisory and management services for clients requiring discreet real estate transactions and private handling.
- Silicon Valley 82 Office Premium office space and support services at a Silicon Valley location for high-profile clients expanding into the U.S. technology market.
- BB AI Real Estate Agent AI-based search helper for U.S. real estate that enables conversational property search, answers legal and tax questions, and provides personalized property recommendations for Korean and Asian users.
Quantifiable outcome
- Operating assets of $583,941,605 across global markets
- +2 more outcomes
Companies that use BuildBlock
Customer profileSegments5 records
Ideal customer profiles5 records
BuildBlock technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability5 records
Feature1 record
BuildBlock partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- NRI America (Nomura Research Institute)coreBuildBlock collaborated with NRI America, the U.S. subsidiary of Nomura Research Institute (established 1967), to publish the 2026 U.S. Market Entry Strategy White Paper. The partnership combines BuildBlock's real estate and construction execution data with NRI America's market research and strategic consulting expertise. The white paper covers five major industries: AI, semiconductors, EV batteries, cosmetics, and F&B/retail, targeting Asian companies entering the U.S. market.
Scale indicators4 records
Recent moves7 records
Expansion highlights6 records
BuildBlock competitors and assessment
Company assessmentBroad incumbents
- Skanska: Swedish-headquartered construction and real estate development group with major U.S. operations in commercial building, civil infrastructure, and data centers. Comparable to BuildBlock as a foreign-rooted platform delivering integrated development and construction services in U.S. metros.
- Bechtel: Largest U.S. engineering, procurement, and construction firm for industrial, infrastructure, and government projects. Bechtel is a credible alternative for the semiconductor, battery, and advanced-manufacturing plant EPC work that BuildBlock targets for Korean corporates.
- Lendlease: Australian-headquartered international real estate and construction group with significant U.S. development and project-management operations. Lendlease is a direct analog as a foreign platform running integrated U.S. development and construction for cross-border capital, though at much greater scale and capital depth.
- CBRE Group: Largest U.S. commercial real estate services firm with global brokerage, project management, valuation, and investment management. CBRE competes with BuildBlock in commercial brokerage and project management for Asian capital, but at vastly greater scale and with a U.S.-centric client base.
Direct peers
- JLL (Jones Lang LaSalle): Global real estate services firm offering brokerage, project and construction management, valuation, and investment management across commercial, industrial, and residential assets. JLL is the closest scaled analog to BuildBlock's integrated-services model for cross-border capital deployment, though it serves a much broader global client base rather than Asian-inbound flows specifically.
- Colliers International: Global real estate professional services and investment management company with brokerage, project management, and valuation capabilities. Colliers' owner-led, multi-service structure mirrors BuildBlock's integrated-services positioning, particularly for cross-border investors entering the U.S.
- Holder Construction: U.S. general contractor specializing in data centers, corporate headquarters, and industrial facilities. Holder is the most direct construction peer to BuildBlock's AI infrastructure and EPC plant development work, with established hyperscaler relationships that BuildBlock must win against.
- Greystar Real Estate Partners: Largest global operator and developer of residential rental housing with integrated investment management, development, and property management. Greystar is the closest scaled peer for BuildBlock's residential brokerage, development, and ongoing asset-management offerings, particularly for foreign-investor-driven rental housing.
- Cushman & Wakefield: Global real estate services firm covering brokerage, property management, valuation, and project management across commercial and industrial sectors. Comparable to BuildBlock's integrated service platform and its focus on cross-border tenant/investor representation.
Regional players
- Daiwa House Industry: Japan's largest homebuilder and a major operator of logistics, commercial, and industrial real estate with growing U.S. operations. Daiwa House is the most direct analog for BuildBlock as an Asian-headquartered integrated real estate and construction platform entering the U.S. market — though it competes primarily from a Japanese rather than Korean base.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
BuildBlock social profiles
Digital presenceBuildBlock financial estimates
Financial estimateRevenue estimate
Valuation estimate
BuildBlock leadership team
Management profileNumber of profiles
Profiles9 records
BuildBlock subsidiaries and ownership
Company hierarchySubsidiaries1 record
BuildBlock funding detail
Funding detailFunding overview
Funding rounds4 records
Investors12 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
BuildBlock M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about BuildBlock
What does BuildBlock do?
BuildBlock operates as a U.S. General Contractor and end-to-end real estate services platform providing Korean and Asian companies with integrated U.S. real estate solutions. The company offers services spanning AI infrastructure development, EPC plant development, real estate development, architectural design and permitting, construction management, real estate brokerage, and post-investment asset and facility management. It combines a U.S. General Contractor license with brokerage, development, design, and ongoing asset management to deliver the full project lifecycle under a single platform.
Is BuildBlock a public or private company?
BuildBlock is a private company. It is classified as venture growth investor backed and is currently operating.
When was BuildBlock founded?
BuildBlock was founded in 2018. It employs 51 to 100 people.
Where is BuildBlock based?
BuildBlock is headquartered in Yongdungpo, South Korea, in the Asia region.
How does BuildBlock make money?
Seven revenue lines are on record. Real Estate Brokerage is the primary driver. The others are construction Management, development & Design Services, asset & Facility Management, AI Infrastructure Development, EPC Plant Development and premium Membership Services.
Who are BuildBlock's main competitors?
Broad incumbents on record are Skanska, Bechtel, Lendlease and CBRE Group. Direct peers are JLL (Jones Lang LaSalle), Colliers International, Holder Construction, Greystar Real Estate Partners and Cushman & Wakefield. Daiwa House Industry is listed as a regional player.
Does BuildBlock have an API?
No public API is recorded for BuildBlock.
What industry is BuildBlock in?
BuildBlock's product category is Commercial Real Estate Services. Its primary akta.pro industry code is IMAFAAAD, Design-Build / EPC General Contracting, with a secondary code of BPAJAAAB, New Construction & Builder Sales. Its NAICS code is 5413 and its SIC code is 8711.