Trunk Tools Secures $40M to Advance AI-Driven Construction Solutions
Trunk Tools, an AI innovator transforming how construction professionals manage and utilize project data, has raised $40 million in a Series B round. Led by Insight Partners, with contributions from Redpoint Ventures, Innovation Endeavors, Stepstone, Liberty Mutual Strategic Ventures, and Prudence, the funding boosts the company’s total capital to $70 million.
With the global construction sector valued at nearly $10 trillion and growing, inefficiencies and outdated processes continue to sap time and resources. From scheduling setbacks to fragmented data, teams often work in data-rich but insight-scarce settings. Trunk Tools addresses this with AI agents that reason and act like seasoned professionals.
Built from Experience: A Platform Crafted by Industry Experts
Founded by Dr. Sarah Buchner, who started as a carpenter at age 12, Trunk Tools is grounded in real-world expertise. After roles as superintendent and project manager, and earning a Ph.D. in civil engineering and data science, Buchner tackled the industry’s persistent challenges.
Her goal was not another dashboard or search tool but an AI-driven platform that mirrors human problem-solving. The system organizes complex construction documents—blueprints, specs, RFIs, submittals, contracts, and more—answering intricate queries and automating project workflows.
Beyond Search: AI Agents That Deliver
Trunk Tools’ proprietary AI is tailored for construction data, avoiding the inaccuracies of generic models. It interprets drawings, tracks schedule dependencies, analyzes procurement logs, and links RFIs to submittals in real time.
For instance, a field engineer can ask, “Is the elevator pit waterproofing in the latest submittal?” or “What’s holding up HVAC delivery for Level 3?” and get precise, source-backed answers.
The platform goes further, with autonomous agents handling entire workflows:
- Schedule Agent: Tracks trade updates, compares planned vs. actual progress, and highlights delays.
- Submittal Agent: Monitors approvals, flags inconsistencies, and spots missing dependencies.
- Risk Agent: Analyzes documents to identify potential coordination issues or compliance risks early.
These agents work continuously, acting like embedded analysts for every project.
Tailored for the Field, Integrated with Existing Tools
Trunk Tools integrates seamlessly with platforms like Procore, Autodesk Build, SharePoint, Egnyte, and Box, pulling data without requiring manual uploads or migrations.
Designed for jobsite use, the AI offers voice-enabled search, mobile optimization, and instant document access, saving teams 20–40 minutes per query and reducing costly rework by catching issues early.
Growth and Impact
In the past year, Trunk Tools has powered hundreds of projects across the U.S. and Canada, growing revenue over 5x. Serving major contractors and specialty trades, the platform drives time savings, better coordination, and a shift to proactive decision-making.
The new funding will fuel expansion of engineering and product teams, enhance field support, and extend the platform to mid-market and smaller firms, with a focus on increasing agent autonomy to suggest solutions aligned with project goals.
Why It Matters Today
Construction, representing 7% of global GDP, remains one of the least digitized industries. Labor shortages, supply chain issues, and complex projects strain builders, who often rely on static PDFs and manual processes.
Trunk Tools transforms unstructured data into a dynamic, intelligent system, empowering field teams with real-time, actionable insights. It’s not just automation—it’s enhancing human decision-making with precision.
Dr. Buchner said: “Generic AI falls short. Construction demands AI that understands its complexities and earns the trust of workers. That’s our mission.”
Future Vision: A Smarter Built World
As Trunk Tools grows, it aims to redefine construction efficiency, enabling faster, smarter building with less waste and fewer errors.
The technology could transform how projects—from megaprojects to schools—are planned, priced, and executed, making construction a data-driven field that prioritizes coordination and clarity.
With billions lost annually to rework and delays, Trunk Tools is laying the groundwork for a more efficient, innovative construction industry.
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Trunk Tools, an AI innovator transforming how construction professionals manage and utilize project data, has raised $40 million in a Series B round. Led by Insight Partners, with contributions from Redpoint Ventures, Innovation Endeavors, Stepstone, Liberty Mutual Strategic Ventures, and Prudence, the funding boosts the company’s total capital to $70 million.
With the global construction sector valued at nearly $10 trillion and growing, inefficiencies and outdated processes continue to sap time and resources. From scheduling setbacks to fragmented data, teams often work in data-rich but insight-scarce settings. Trunk Tools addresses this with AI agents that reason and act like seasoned professionals.
Built from Experience: A Platform Crafted by Industry Experts
Founded by Dr. Sarah Buchner, who started as a carpenter at age 12, Trunk Tools is grounded in real-world expertise. After roles as superintendent and project manager, and earning a Ph.D. in civil engineering and data science, Buchner tackled the industry’s persistent challenges.
Her goal was not another dashboard or search tool but an AI-driven platform that mirrors human problem-solving. The system organizes complex construction documents—blueprints, specs, RFIs, submittals, contracts, and more—answering intricate queries and automating project workflows.
Beyond Search: AI Agents That Deliver
Trunk Tools’ proprietary AI is tailored for construction data, avoiding the inaccuracies of generic models. It interprets drawings, tracks schedule dependencies, analyzes procurement logs, and links RFIs to submittals in real time.
For instance, a field engineer can ask, “Is the elevator pit waterproofing in the latest submittal?” or “What’s holding up HVAC delivery for Level 3?” and get precise, source-backed answers.
The platform goes further, with autonomous agents handling entire workflows:
- Schedule Agent: Tracks trade updates, compares planned vs. actual progress, and highlights delays.
- Submittal Agent: Monitors approvals, flags inconsistencies, and spots missing dependencies.
- Risk Agent: Analyzes documents to identify potential coordination issues or compliance risks early.
These agents work continuously, acting like embedded analysts for every project.
Tailored for the Field, Integrated with Existing Tools
Trunk Tools integrates seamlessly with platforms like Procore, Autodesk Build, SharePoint, Egnyte, and Box, pulling data without requiring manual uploads or migrations.
Designed for jobsite use, the AI offers voice-enabled search, mobile optimization, and instant document access, saving teams 20–40 minutes per query and reducing costly rework by catching issues early.
Growth and Impact
In the past year, Trunk Tools has powered hundreds of projects across the U.S. and Canada, growing revenue over 5x. Serving major contractors and specialty trades, the platform drives time savings, better coordination, and a shift to proactive decision-making.
The new funding will fuel expansion of engineering and product teams, enhance field support, and extend the platform to mid-market and smaller firms, with a focus on increasing agent autonomy to suggest solutions aligned with project goals.
Why It Matters Today
Construction, representing 7% of global GDP, remains one of the least digitized industries. Labor shortages, supply chain issues, and complex projects strain builders, who often rely on static PDFs and manual processes.
Trunk Tools transforms unstructured data into a dynamic, intelligent system, empowering field teams with real-time, actionable insights. It’s not just automation—it’s enhancing human decision-making with precision.
Dr. Buchner said: “Generic AI falls short. Construction demands AI that understands its complexities and earns the trust of workers. That’s our mission.”
Future Vision: A Smarter Built World
As Trunk Tools grows, it aims to redefine construction efficiency, enabling faster, smarter building with less waste and fewer errors.
The technology could transform how projects—from megaprojects to schools—are planned, priced, and executed, making construction a data-driven field that prioritizes coordination and clarity.
With billions lost annually to rework and delays, Trunk Tools is laying the groundwork for a more efficient, innovative construction industry.
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