The world's largest institutions trust Build to accelerate their most important projects.
Build is your AI operating partner for the Built World. Build pairs domain expertise with agentic AI to accelerate your most important projects a magnitude faster than market.
Top teams use Build for
Domain experts from real estate, infrastructure, and energy train our systems and stay involved through the lifecycle of your project.
Domain expertise and institution-grade AI are at the core of our operation, not a layer on top. You get better output, faster.
Connects to your existing email, data rooms, and internal systems. Rather than rip-and-replace, we augment the processes you already have.
Trace every recommendation back to a primary source. No black boxes — auditable outputs your team can present with confidence.
Built for security, compliance, and auditability on day one. Controls and configurable guardrails with institution-grade infrastructure.
Collective AUM of firms served
Projects delivered
Live data sources and tools
Countries served
Build is the AI-native operating partner for the built world — the first agentic development firm combining autonomous AI agents with domain experts to accelerate commercial real estate from concept to completion.
Build's AI platform, Dougie, automates mission-critical CRE workflows including site selection, desktop due diligence, underwriting, investment committee memos, test fit analysis, market research, zoning analysis, environmental diligence, and ESG reporting. The world's largest institutional investors, developers, and operators trust Build to deliver fully vetted opportunities in days rather than weeks.
Build serves institutional real estate clients across data centers, industrials, energy, power, office, telecommunications, mixed-use development, hotels, and multifamily. Clients include Tishman Speyer and Stack Infrastructure.
Build was co-founded by James Stirrat-Ellis (CEO, Harvard Architecture, ex-Heatherwick Studio) and Ben McClusky (CTO, multi-agent reinforcement learning at Imperial College London, ex-Gorillas). The company has offices in New York, San Francisco and London.