Build: Agentic AI for the Built World
Build combines agentic AI with built-world expertise to automate complex commercial real estate and infrastructure workflows, from site selection and due diligence to underwriting, design and investment committee preparation.
Visit build.inc ↗Basic Information
| Field | Detail |
|---|---|
Company Name |
Build |
Category |
Vertical AI |
Subcategory |
AI Agents, Real Estate, Infrastructure & Development |
Founded |
2024 |
Headquarters |
New York, United States |
Other Office |
London, UK |
Stage |
Seed |
Latest Funding |
$8.5 million · Seed · June 2026 |
Lead Investor |
Index Ventures |
Founders |
James Stirrat-Ellis & Ben McClusky |
Named Customers |
Tishman Speyer & Stack Infrastructure |
Website |
build.inc ↗ |
What Build Does
Build acts as an AI-native operating partner for the built world. Its Dougie platform uses specialized agents to research sites, analyze regulations and utilities, perform due diligence, build financial models and prepare investment materials.
Key Workflows
- Site selection and market research
- Desktop technical and environmental due diligence
- Underwriting and financial modelling
- Investment committee memo generation
- Test-fit, zoning and entitlement analysis
- Power, utility and ESG analysis
Why It Matters
Large infrastructure and real estate projects depend on fragmented data and lengthy expert workflows. Build is targeting that bottleneck with agents that can process hundreds of sources while keeping outputs traceable to underlying evidence.
Build at Scale
$5T+
Collective AUM of Firms Served
Build says the firms it serves collectively represent more than $5 trillion in assets under management.
3,850+
Live Data Sources
The platform connects geospatial, municipal, utility, environmental, market and other data sources.
400+
Projects Delivered
Build currently reports more than 400 projects delivered across 21 countries.
Enterprise Momentum
Institutional Customers
Build works with institutional real estate firms, developers, data center operators and infrastructure organizations. Tishman Speyer and Stack Infrastructure are among its named customers.
Human Experts + Agents
Build combines autonomous AI agents with domain specialists. Its experts review outputs while the agents execute research, analysis and document-heavy workflows.
Auditable Outputs
The platform is designed to trace recommendations back to primary sources, giving institutional users a record of the evidence behind AI-generated analysis.
Funding Journey
2024
Founded
Build
Founded by James Stirrat-Ellis and Ben McClusky
2025
Early Operations
Agentic Platform
Build developed its AI-native workflow platform for the built world
June 2026
Seed
$8.5M
Led by Index Ventures with participation from Pebblebed, Puzzle Ventures and Tiny.vc
July 2026
Strategic Expansion
Tishman Speyer
Strategic partnership and investment following a successful pilot