Attentive.ai is the company behind Beam AI, a platform that automates one of preconstruction's most time-consuming tasks: the takeoff, where estimators measure construction drawings and quantify the materials and labor a project will require. Done manually, takeoffs are slow and error-prone, and they gate every downstream estimate and bid. Attentive.ai applies AI and computer vision to read plans and generate accurate takeoffs quickly, using a human-in-the-loop model so professionals verify results and maintain trust in the numbers.
The platform analyzes construction drawings to identify and measure quantities automatically, dramatically compressing the time required to produce a takeoff. Because takeoffs feed estimating and bidding, faster and more accurate measurement lets contractors bid more jobs with the same team and respond to opportunities more competitively. Attentive.ai is extending beyond takeoffs into estimating, bidding, and collaboration, with the goal of becoming a connected preconstruction platform rather than a single-point tool.
Attentive.ai serves contractors and preconstruction teams across trades that depend on accurate quantity measurement. More than 1,100 firms use Beam AI to streamline their preconstruction process, reflecting strong demand for automation in an industry facing labor shortages and margin pressure. The human-in-the-loop design is a deliberate choice: it captures most of the efficiency gains of automation while keeping experienced estimators in control of the final numbers, which matters in a business where bid accuracy determines profitability.
In November 2025, Attentive.ai raised a $30.5 million Series B led by Insight Partners, with participation from Vertex Ventures, Tenacity Ventures, and InfoEdge Venture Fund, bringing total funding to $48 million. CEO Shiva Dhawan said the capital will accelerate AI model development and expand the platform beyond takeoffs into estimating, bidding, and collaboration.