Construction Tech Startups

Ixs (イクシス) is a Japanese technology company combining robotics, AI, XR, and 3D data to build inspection, monitoring, and safety-management systems for social and industrial infrastructure. Its "GENBA" product line and co-developed robots address aging infrastructure, disaster response, and skilled-labor shortages, primarily serving construction and infrastructure operators.

2 investors

JT Thorpe provides specialized engineering services for industrial projects, including scaffolding design, refractory anchoring systems, welding solutions, and equipment demolition. The company develops proprietary software for heat transfer analysis and asset tracking, primarily serving construction and industrial sectors.

2 investors

Javer is a Mexican homebuilder that develops residential housing and communities for families across Mexico. It focuses on sustainable housing designed for family well-being.

2 investors

Jennmar supplies engineering solutions and products for infrastructure and construction projects, serving customers who require safety-critical supplies and custom solutions for their operations.

2 investors

Jensen Hughes provides fire protection engineering, accessibility consulting, risk and hazard analysis, process safety, security, and emergency management services across critical infrastructure, large-scale construction, and disaster response globally. The firm serves government, commercial, industrial, and data center clients worldwide.

2 investors

Joist is a job management platform for contractors that simplifies estimating, invoicing, and payment collection. It enables contractors to create, customize, send, and track professional estimates from mobile devices, with features for digital signatures, cost tracking, and project-to-payment workflows.

2 investors

JUUNOO designs and sells modular interior systems—including soundproof pods, partition walls, and glass systems—for commercial real estate developers, with a circular business model enabling reuse and reducing construction waste. The company is expanding into modular drywall solutions and plans to implement material leasing and buyback programs across US and European markets.

2 investors

AIS is a provider of industrial, construction, and environmental services across the United States and select international locations, offering specialty craft services, industrial cleaning, demolition, environmental remediation, and professional services. The company serves clients in power generation, pulp and paper, agriculture, petrochemical, technology, and federal agencies.

2 investors

Karmen provides AI-powered scheduling software for construction projects that automatically generates and maintains project timelines by analyzing project documents and adapting to changes.

2 investors

KeenSite builds solutions for the construction industry, addressing problems based on team members' direct field and office experience.

2 investors

Kettel operates a rent-to-own housing program that lets first-time buyers rent a home while locking in a fixed purchase price for 36 months and building the deposit, credit, and affordability needed to buy it. It partners with homebuilders such as Cornovii Homes to offer these homes to prospective buyers.

2 investors

klarx operates a digital marketplace for renting construction machinery and equipment, offering over 530,000 machines through its website, email, phone, and software tools like klarxMANAGER. It serves companies across the construction industry in Germany — from solar/photovoltaics to metalwork and building/civil engineering — with flexible rental models and two logistics centers in Munich and Berlin.

2 investors

Kleinfelder is an engineering and professional services firm providing consulting, design, construction management, and testing services for transportation, water, energy, and infrastructure projects. The company serves public and private clients requiring infrastructure planning, environmental protection, and project delivery.

2 investors

Kobbr is a cloud-based quotation platform that lets tradespeople and contractors capture enquiries, build branded quotes, and obtain customer approval from any device. It serves trades such as electrical, plumbing, carpentry, roofing, and HVAC specialists, with built-in compliance features for the quoting and acceptance process.

2 investors

Kolo is an India-based home construction advisory service that provides independent expert review of building plans, quotes, material specifications, and contractor agreements before homeowners commit. It uses a proposer-plus-reviewer model where engineers, architects, and material specialists check the cost and quality impact of project details for people building or renovating homes.

2 investors

Kroo provides a data platform for the construction industry, offering pre-built connectors, a managed data warehouse, and AI infrastructure to unify siloed data into a single source of truth. It serves project owners, general contractors, specialty contractors, and consultants seeking data-driven insights, automated workflows, and AI-powered intelligence.

2 investors

Kuro provides an AI platform for general contractors (Generalunternehmer) that ingests all documents of a construction project — plans, building descriptions, expert reports, and 3D models — and links them into a data model governed by the company's own rules. The system runs applications from bidding through execution to detect contradictions and risks before they incur cost, and retains knowledge across projects.

2 investors

Lagoa is a Canadian company that runs a cloud-based platform for creating and rendering 3D content. Multiple users can work on the same project together through the browser, and an open API with a developer library lets third parties build their own applications on top of the service.

2 investors

LEDCity sells pre-configured sensor lighting fixtures for construction and commercial applications, delivered ready to install from Swiss inventory. The company offers plug-and-play LED lights with occupancy sensors, replacement parts, and project consulting for contractors and facility managers.

2 investors

Letty builds AI "digital workers" for real estate agencies and property managers that handle lead qualification, viewing bookings, tenant issue triage, and contractor follow-up across WhatsApp, SMS, email, and phone. The tools integrate with a firm's existing CRM and property management systems to automate sales and property management admin.

2 investors

Levven develops technology and insights to make residential construction more affordable, personal, and sustainable for builders, contractors, and homeowners. The company addresses the homebuilding industry through digital solutions that improve efficiency and sustainability in construction.

2 investors

Liatris develops high-performance insulation materials to reduce heating and cooling costs in buildings. The company serves the construction and building efficiency market with advanced thermal insulation technologies.

2 investors

Loenbro is a construction and infrastructure maintenance company providing critical electrical, mechanical, structural, and underground services across all industries. With a 25+ year track record, the company operates a national presence while maintaining local operations for clients across the U.S.

2 investors

Low Carbon Materials develops high-performance materials for the construction industry designed to reduce carbon emissions. The company serves construction firms and material manufacturers, providing carbon calculations, material testing, and custom mix designs alongside certified decarbonization expertise.

2 investors