Construction Tech Startups

Sotralu designs and manufactures customizable aluminum window and door accessories for the European market. The company specializes in personalized hardware solutions for sliding aluminum joinery, serving manufacturers and installation professionals.

1 investor

Søuld produces acoustic building materials made from eelgrass harvested along the Danish coast, offering panels and boards designed for wall and ceiling installation to improve interior acoustics. The company serves architects, designers, and builders seeking sustainable, circular acoustic solutions for commercial and residential interiors.

1 investor

South Bay Hardware is a national smart building integration partner providing consulting, product specification, installation, and ongoing support for access control, door hardware, security, and IoT systems. It serves property owners, developers, general contractors, property managers, and integrators across commercial and multi-family properties in the United States.

1 investor

Southern Exteriors is a residential exterior remodeling contractor serving Metro Atlanta and surrounding regions across multiple southeastern states, offering roofing, siding, windows, doors, and gutter services. The company emphasizes premium materials, skilled installation, manufacturer warranties, and in-house labor warranties backed by over 25 years of local operating experience.

1 investor

South Florida Milling provides asphalt road milling, edge and full-width milling, pavement removal, leveling, rock removal, and job-site cleanup for road and parking lot projects. The company serves the Fort Myers, Naples, Tampa, Orlando, Jacksonville, and West Palm Beach areas of Florida.

1 investor

Southland Steel Fabricators is a family-owned steel fabrication company serving industrial clients, offering CNC-based fabrication, SDS/2 3D modeling, production, quality assurance, and project management. Founded in 1986, it operates near the ports of New Orleans and Baton Rouge and is among the larger steel fabricators in its region.

1 investor

A construction company that handles planning, 3D modeling, project management, and building of commercial, government, and private facilities. It builds structures including parks, corporate headquarters, educational institutions, military-grade facilities, healthcare buildings, manufacturing plants, and warehouses.

1 investor

Southwire manufactures power and electrical products including cables, wiring, and related infrastructure for grid applications, construction, electric vehicles, and data centers. The company serves utility operators, construction companies, automotive and maritime industries, and critical infrastructure operators.

1 investor

SpaceDraft develops visual communication tools that help people capture and share knowledge and insights through pictures rather than text, serving users in work, education, and professional settings. The company applies behavioral science and visual design principles to enhance collaboration and decision-making across various industries including agriculture, mining, and energy.

1 investor

Spantech International manufactures custom modular buildings for industries including live entertainment, soundstages, industrial warehousing, aviation, and sports, offering an integrated engineering, production, and installation service. The company emphasizes sustainable, circular construction using demountable, reusable structures and recycled aluminum, operating factories in Germany, Poland, and the UAE.

1 investor

SPEC Toolbox is a free, browser-based engineering design platform that lets engineers design and specify certified connections using real supplier product data. The platform is sponsored by supply-chain partners, and spans 55+ supplier products across multiple engineering design categories and regions.

1 investor

Spectora provides AI-powered home inspection software that handles report writing, scheduling, payments, and client communication for professional home inspectors. The platform uses AI to assist with documentation and administrative tasks while keeping inspectors in control of their work and standards.

1 investor

Sperber Landscape Companies builds and maintains landscapes for commercial and residential properties nationwide. Founded in 1949, the company emphasizes craftsmanship, sustainability, and employee development across its operations.

1 investor

Sphere Secure Workspace offered a secure workspace product, available via demonstration on request.

1 investor

Spie batignolles is a French construction and infrastructure group that builds and renovates infrastructure and living spaces with a focus on lower carbon impact and ecological transition. Its activities include landscape/environmental works, building construction and renovation, and related services across French territories.

1 investor

StoreYourBoard manufactures and sells storage racks and home organization products for equipment like kayaks, boards, bikes, and power tools. The company serves homeowners and outdoor enthusiasts looking to maximize storage space and organization.

1 investor

Spolia Design Oy is a specialist organization focused on the reuse of materials from demolished buildings, designing cleantech construction projects and providing comprehensive circular economy services for the construction industry.

1 investor

BuildOps is an AI-native platform that connects projects, service, and financials for commercial contractors, covering field, office, finance, and sales operations in one system. It is built for multi-trade commercial service and construction work across trades such as HVAC/mechanical, electrical, plumbing, fire and life safety, and refrigeration, and is used by over 1,500 contractors in North America.

1 investor

Sprygg offers an AI voice-based check-in system for facility maintenance companies, letting technicians call one phone number to check in and out of jobs while verifying their on-site location via a texted link. Completion reports and status updates are routed automatically to each client's system, whether a CMMS (such as ServiceChannel, Corrigo, or Accruent), a spreadsheet, an email inbox, or Slack.

1 investor

Spybee offers a web platform for construction project management that integrates drone footage, 360° and time-lapse cameras, and WhatsApp communications, with AI agents that flag risks and delays. It serves construction firms and developers to track real-world progress against schedules, manage incidents/RFIs, and work with BIM models and point clouds, with a presence across Latin America.

1 investor

SquareDash uses satellite imagery and AI to measure residential roofs and provide transparent, standardized pricing for roof replacement services. The platform delivers instant price quotes and coordinates installation by licensed, background-checked contractors.

1 investor

SSC Klingan develops and manufactures solid wooden interior doors and glass partitions for public environments, with a focus on sustainability, performance, and fire safety. The company specializes in custom solutions including sound insulation, fire protection, and security compliance.

1 investor

StabiAlert provides sensor-based real-time monitoring of the stability and safety of buildings, infrastructure such as bridges and viaducts, and industrial complexes, detecting cracks, tilt, subsidence and vibrations. The company offers hardware sensors and software dashboards for asset owners managing critical structures.

1 investor

STACK Construction Technologies provides cloud-based software for contractors to manage preconstruction tasks (takeoff and estimating) and field operations (plan review, markup, and collaboration). The platform serves general contractors, subcontractors, and construction professionals across residential and commercial projects.

1 investor