Construction Startups

Downtobid is a preconstruction software platform that streamlines the bidding process for general contractors (GCs) and trade contractors. The platform connects verified trade contractor networks, improves invitation-to-bid (ITB) communications, and provides engagement tracking tools to replace inefficient, transactional bidding workflows.

1 investor

Aether provides roofing and exterior building measurement reports for home services contractors, using phone-based 3D modeling to generate accurate full-house measurements within 2% accuracy. The platform enables contractors to create install-ready measurement reports and 3D exterior models for estimating and documentation.

1 investor

FlowManual is a back-office platform for construction contractors that analyzes bids, contracts, vendor quotes, and invoices to identify scope, price, and exclusion changes before work begins. It flags discrepancies on exact contract lines with cost impact rankings to prevent costly oversights during project execution.

1 investor

Foreman provides an all-in-one platform for contractors to manage projects, invoicing, proposals, and documentation without spreadsheets. The platform automates project monitoring, takeoff calculations, cost breakdowns, e-signatures, online payments, and scheduling with critical path analysis for construction projects.

1 investor

Helonic builds AI software that analyzes 2D construction drawings to identify issues such as coordination conflicts, code compliance problems, and missing information before they reach the field. The platform integrates with Procore and Autodesk to flag drawing issues that typically go undetected in manual plan review, helping construction teams reduce costly rework.

1 investor

Humance develops AI products designed to augment human capability and decision-making rather than replace human workers. The company builds tools for domain experts and practitioners that explain their reasoning, maintain transparency, and defer to human judgment.

1 investor

Ladder operates a marketplace that connects construction employers with skilled trade workers for hiring and staffing needs.

1 investor

Libra Robotics builds autonomous robots for solar farm installation at utility-scale and commercial projects. The company serves electrical contractors, equipment manufacturers, and solar project developers.

1 investor

Line.Build provides a platform that helps energy efficiency contractors locate and apply for financing options and rebates by aggregating fragmented incentive programs from utilities, government sources, and private lenders. The software aims to simplify access to funding for building retrofits that reduce energy consumption and emissions.

1 investor

Machine26 facilitates the buying and selling of used construction equipment through a digital platform, serving construction industry professionals who trade capital goods.

1 investor

Merlin builds agentic AI systems to orchestrate real-world construction project execution by continuously reconciling materials, labour, costs, and sequencing in real time. The platform coordinates across construction teams and organizations to improve execution discipline and surface risks before they compound.

1 investor

Didge provides autonomous robots and AI-powered software that digitize construction sites in real time, capturing high-fidelity data to enable project managers and teams to track progress, monitor safety, and manage quality across jobsites. The platform generates automated insights and reports that help construction companies prevent delays, reduce incidents, and improve workforce productivity.

1 investor

Onsite provides digital pricebook software for HVAC distributors, replacing traditional Excel and PDF catalogs to help dealers access product details, find equipment matchups, apply incentives, and generate proposals.

1 investor

N/A - This is a parked domain listing page, not a company website.

1 investor

Permitify reviews architectural and engineering plans against city ordinances, building codes, and project requirements to identify likely code violations or missing items before official municipal review. The service targets architectural and engineering teams seeking to reduce permitting delays and revision cycles.

1 investor

PillarPlus provides software that automates the design of mechanical, fire, electrical, and plumbing systems for buildings, and generates bills of materials and cost estimates. The platform serves architects and contractors who would otherwise hire specialized consultants for these design tasks.

1 investor

Remi is a residential roofing company that provides roof replacement and repair services with a guaranteed upfront price and no mid-project cost changes. It serves homeowners, offering financing, insurance-claim support, solar bundling, warranties, and text-based project updates.

1 investor

Sizeless provides an AI-powered mobile workflow for capturing construction trenches and utility connections with 3D precision. The software converts smartphone video scans into CAD-ready plans and GIS models for deep construction, district heating, and utility connection projects.

1 investor

SmartSite produces a connected hardware device paired with cloud software that automatically monitors and mitigates occupational health and safety hazards on construction sites while assisting firms with regulatory compliance.

1 investor

SubVysion creates high-precision 3D mapping technology that reveals the locations of subsurface utilities, enabling construction teams to identify and navigate around buried infrastructure during excavation work.

1 investor

SENGTOTO is an AI-based structural design automation platform for architecture, engineering, and construction (AEC) professionals that converts freehand sketches into detailed structural blueprints with load analysis, material optimization, and building code validation in minutes.

1 investor

Torus is an AI system that analyzes engineering documents such as P&IDs, datasheets, and specifications to identify cross-document inconsistencies and automate engineering workflows. The platform serves engineering firms and project teams managing capital-intensive infrastructure projects like substations, pipelines, and treatment plants.

1 investor

Vernox is a production planning system that helps construction project teams coordinate their work, identify upcoming tasks, remove obstacles, and update schedules based on progress.

1 investor

Vobi is a project management and invoicing platform for construction and home improvement professionals that consolidates product catalogs, billing, task tracking, and client communication in a single workspace.

1 investor