Construction Tech Startups

SAC is a full-service project management and deployment provider for telecom, fiber, public utility networks, EV charging stations, and commercial solar projects, handling site acquisition, engineering, permitting, and construction. It serves wireless carriers, tower companies, broadband providers, public utilities, and renewable energy clients across the United States.

1 investor

Safesite is a workplace safety company focused on preventing on-the-job injuries and deaths and helping employees return home safely. Its stated mission centers on improving safety outcomes for the customers and communities it serves.

1 investor

Safety Bolt makes a wireless, retrofitted bolt monitoring system that provides continuous structural integrity data on critical connection points, using digital twins and predictive maintenance to reduce manual inspections and extend asset lifespan. It serves infrastructure operators across bridges, tunnels, roads, offshore wind energy, and mining.

1 investor

Safran provides project management and planning services, including consultants and training, to support customers in achieving their project goals.

1 investor

SalvageSale is an online marketplace for buying and selling used and salvage heavy equipment, including construction machinery, agricultural equipment, parts, and other assets through sealed auctions, online auctions, make-offer, and buy-now formats. It also markets damaged and surplus items such as storm-damaged boats to buyers worldwide.

1 investor

Samana Group develops private residential communities and real estate on the Samaná Peninsula in the Dominican Republic, handling land acquisition, construction, financing, hospitality, and rental management. It offers second-home ownership and investment opportunities in a planned "Private City" development for international investors and buyers.

1 investor

Sandå Sverige is a nationwide Swedish painting and flooring contractor with over 1,500 employees, offering professional painting and floor services. It operates through regional offices across Sweden, including Kungshamn, Uddevalla, and Västerås.

1 investor

Sankun provides databases covering companies, construction sites, bids/tenders, reputation, and news, apparently serving the Korean construction and business-intelligence market.

1 investor

Sanwa Construction Consultants (三和建設コンサルタンツ株式会社) is a Japanese construction consulting firm with offices across Japan, employing certified/qualified engineers. The company page presents its corporate profile, history, organization, and quality policy.

1 investor

Sasets offers a mobile app and web portal for job, task, form, and document management, letting construction field teams and office staff share project data, drawings, and photos in real time. The platform digitizes paper forms to reduce data re-keying, improve compliance, and increase field workforce productivity.

1 investor

Sateba is a European manufacturer of precast concrete sleepers and slab track solutions for the rail industry, serving high-speed rail, tramway, underground, and light rapid transit projects. Operating in 10 countries, it also produces bespoke offsite precast concrete elements for infrastructure projects.

1 investor

Sumisho Cement is a specialized trading company selling cement-related products in Japan, including ready-mixed concrete, cement, and aggregates, along with delivery services. It supplies materials for infrastructure such as bridges and roads as well as commercial and public buildings across Japan.

1 investor

Scenarium provides software that automates the creation and updating of electrical schematics from floor plans, automatically syncing plan changes, generating labeled elements and tags, and managing custom symbol libraries. It targets engineering and electrical design teams to reduce time spent and manual errors on schematic work.

1 investor

BOXX Modular (formerly Vanguard Modular Building Systems and MPA Systems) rents, leases, and sells modular buildings including mobile offices, classrooms, specialty structures, and bank/credit union facilities. It provides temporary and permanent prefabricated modular construction across the continental United States.

1 investor

Schmidt Construction Company installs underground wet utilities including water, sewer, storm drain, and gravity and pressure irrigation systems for residential and commercial clients. It operates in the Idaho communities of Star, Middleton, Eagle, Caldwell, Nampa, and Kuna, offering excavation, pipe installation, storm drain, and irrigation services.

1 investor

Schüttflix operates a digital marketplace and logistics platform that connects construction companies, building material suppliers, waste management companies, and carriers for the supply, transport, and disposal of bulk construction materials and mineral waste. It also runs its own recycling centers and uses material flow data to support recycling and a circular economy in the construction sector.

1 investor

Scottsdale develops light gauge cold-formed steel wall frame and roof truss technology, offering an end-to-end system that combines CAD software for design, engineering, structural analysis, detailing, and roll-forming machine control. It manufactures and supports steel framing building systems for construction customers worldwide.

1 investor

Daisho Co., Ltd. is a Japanese construction company holding a prefectural construction business license, along with ISO 9001:2015 and ISO 14001:2015 certifications. It is based in Nagahama, Shiga Prefecture, and was founded in April 2002.

1 investor

Sdelano is a full-service apartment renovation company that provides design projects, personal architects, materials selection, and turnkey renovation work at fixed prices and timelines. It serves residential clients in Moscow, having renovated over 500 apartments in both new buildings and pre-revolutionary houses.

1 investor

Veridify Security provides device-level cybersecurity for operational technology (OT) and IoT devices, using its DOME platform to deliver zero trust authentication, encryption, and real-time attack prevention for automation control devices. It targets sectors such as building automation, smart buildings, industrial control systems (ICS/SCADA), and critical infrastructure, protecting new, existing, and legacy devices without requiring dedicated IT or cyber staff.

1 investor

Seismic Shift develops affordable seismic protection systems — including the FrontFoot foundation and plinth systems and Quake Defender — for commercial and industrial buildings, residential homes, and critical facilities such as hospitals and data centres. Engineered in New Zealand, its products are aimed at reducing earthquake damage for buildings in earthquake-prone regions worldwide.

1 investor

SEMA develops software for timber construction, stair building, and sheet metal processing, combining 3D-CAD design tools with planning and calculation features. It targets professionals in the construction and manufacturing trades who plan and produce building components.

1 investor

Seniovo, part of the HORNBACH group, provides barrier-free bathroom renovations and home modifications along with services such as emergency call systems, care aids, care consulting, and everyday assistance, many financeable through statutory subsidies. It serves elderly and mobility-limited individuals seeking to live independently in their own homes in Germany.

1 investor

Sensat builds visualisation software that lets civil infrastructure teams see their data within real-world 3D context, helping them spot project constraints early. It works with infrastructure operators such as Severn Trent, National Grid, and Network Rail, primarily on large projects in Europe.

1 investor